Source: https://patents.google.com/patent/JP2006202617A/en
Timestamp: 2018-08-20 21:17:35
Document Index: 460165300

Matched Legal Cases: ['art 24', 'art 28', 'art 24', 'art 26', 'art 24', 'art 26']

JP2006202617A - Manufacturing method of connector terminal and connector terminal - Google Patents
Manufacturing method of connector terminal and connector terminal Download PDF
JP2006202617A
JP2006202617A JP2005013348A JP2005013348A JP2006202617A JP 2006202617 A JP2006202617 A JP 2006202617A JP 2005013348 A JP2005013348 A JP 2005013348A JP 2005013348 A JP2005013348 A JP 2005013348A JP 2006202617 A JP2006202617 A JP 2006202617A
JP2005013348A
Katsumasa Matsuoka
Haruhide Sasaki
晴英 佐々木
克政 松岡
PROBLEM TO BE SOLVED: To obtain a manufacturing method of a connector terminal capable of reducing manufacturing cost as compared with the case of applying a post-plating process, and to obtain a connector terminal.
SOLUTION: An upper terminal 22 has a fitting part 24 and a base plate mounting part 28. When manufacturing such an upper terminal, a first wire material as a base of fitting part 24 on whole peripheral face of which a plating treatment is applied in advance, and a second wire material as a base of a base plate mounting part 26 on whole peripheral face of which a plating treatment is applied in advance are used. The first wire material and the second wire material are jointed by laying a terminal part of the first wire material upon the terminal part of the second wire material, and for example, by applying a laser welding treatment thereto, and the fitting part 24 is formed by the first wire material and the base plate mounting part 26 is formed by the second wire part. As a result, a surface layer of the upper terminal 22 is constituted by a plating layer at peripheral face of the first wire material and a plating layer at peripheral face of the second wire material, therefore, the post-plating process becomes unnecessary.
本発明は、はんだ付けによって基板に接続されるコネクタ端子の製造方法及びコネクタ端子に関する。 The present invention relates to a manufacturing method and a connector terminal of the connector terminal that is connected to the substrate by soldering.
例えば、電子装置や電子回路の基板上には、例えば表面実装コネクタ（所謂、ＳＭＴコネクタ）がはんだ付けによって実装されている。 For example, the electronic device and substrate of the electronic circuit, for example, a surface mount connector (so-called, SMT connectors) are mounted by soldering.
この種のコネクタは、例えば略矩形箱状に形成されたコネクタハウジングと、コネクタハウジングの側方に設けられた取付孔に挿入されて取り付けられた複数のコネクタ端子（ターミナル）とを備えている。 This type of connector includes for example a connector housing formed in a substantially rectangular box shape, and a plurality of connector terminals mounted is inserted into the mounting hole provided on the side of the connector housing (terminals). 複数のコネクタ端子は、それぞれメッキ処理が施されており、それぞれ下方（基板側）に折曲げられると共に先端部が基板上面にはんだ付けによって固定された構成となっている（例えば、特許文献１参照）。 The plurality of connector terminals, and each plating process is performed, the tip with is bent downward (substrate side) each has a structure which is fixed by soldering to the upper surface of the substrate (e.g., see Patent Document 1 ).
ところで、前述の如き複数のコネクタ端子は、板材から打ち抜かれて製作される。 Incidentally, a plurality of connector terminals, such as described above is manufactured by punching a plate material. この複数のコネクタ端子を製作する際には、まず、非メッキ処理状態の板材（条材）を、プレス加工によって打ち抜き、櫛状（連鎖状）に繋がったワークを形成する。 In fabricating the plurality of connector terminals, first, a sheet of non-plating process state (elongated member), punching by pressing, to form a work that led to the comb (concatenated). このプレス加工後（板材打ち抜き後）のワークは、全周囲（板材表面部分及び打ち抜き切断面部分共に）未だに非メッキ状態である。 Work after the pressing (post plate punching) is (the sheet surface portion and the punched cut surface portion co) omnidirectional is still non-plated state. さらにその後に、所謂後メッキ処理によって、全周囲（板材表面部分及び打ち抜き切断面部分共に）メッキを施す。 Further Thereafter, by a so-called post-plating treatment, (the sheet surface portion and the punched cut surface portion co) omnidirectional plated. またさらに、メッキが錫メッキである場合には、ウィスカーの発生を抑えるための特別な処理を施す。 Furthermore, when the plating is tin plating is subjected to special processing for suppressing the occurrence of whiskers. 以上によって処理された各ワークは、表面実装されるコネクタに応じて曲げ加工されてコネクタ端子として使用される。 Above each work processed by is bent depending on the connector to be surface mounted processed is used as the connector terminals.
このように、従来の製造方法によれば、各コネクタ端子の全周囲に亘って確実にメッキを施すことができる。 Thus, according to the conventional manufacturing method can be applied reliably plating over the entire circumference of the connector terminal.
しかしながら、前述の如き従来の製造方法では、プレス加工後（板材打ち抜き後）の櫛状に繋がった複雑な形状のワークに所謂後メッキ処理によってワークの全周囲にメッキ層を形成するため、メッキ層の膜厚が後メッキ部分によってばらつき、全体としてメッキ層の膜厚を均一にすることが困難である。 However, in the conventional manufacturing method such as described above, to form a plating layer on the entire circumference of the workpiece in a complex shape that led to comb after pressing (post plate punching) work by so-called post-plating treatment, the plating layer variation depending on the thickness the rear plated portions, it is difficult to make the film thickness as a whole plated layer uniform. メッキ層の膜厚が不揃いであると、例えばコネクタ端子と当該コネクタ端子に対応する雌ターミナルとの挿抜力が上がり、本コネクタと当該コネクタに対応する雌コネクタとの嵌め合い作業の観点から好ましくない。 When the thickness of the plating layer is irregular, for example, insertion force female terminal corresponding to the connector terminal and the connector terminal is increased, not preferable in terms of fitting work of the female connector corresponding to the connector and the connector .
またそして、このような後メッキ処理は、先メッキ処理と比べて、処理コストが非常に高くつく、という問題がある。 Also Then, plating after such, compared to the previous plating, processing cost is very expensive, there is a problem in that. この場合、先メッキ処理の施された板材からワークを打ち抜いてコネクタ端子を製作することが考えられるが、切断面部分は当然ながら非メッキ状態であり、この部分にメッキ層が必要とされるとき（例えば、この切断面部分がはんだ付けされる部位であるとき）には、後メッキ処理を省くことができない。 In this case, when it is conceivable to manufacture the connector terminals by punching a workpiece from sheet material having undergone previous plating, cut surface portion is a naturally non-plated state, a plating layer is needed in this area (e.g., when the cut surface portion is a portion to be soldered) to can not be omitted post-plating process. このため、後メッキ処理を行うことで生じる処理コストの問題は根本的には解決されず、メッキ処理のコスト、ひいてはコネクタ端子の製造コストを抑えるための対策が望まれていた。 Therefore, the processing cost caused by performing a post-plating treatment problem is not solved fundamentally, the cost of the plating process, has been desired measures to reduce the manufacturing cost of the thus connector terminals.
またそして、後メッキ処理として錫メッキ処理がワークに施されるときには、ウィスカーの発生を抑えるための特別な処理をメッキ層に施すことが不可欠となるため、さらに処理コストが高くつく、という問題も生じていた。 Further When the tin-plating process is performed on the workpiece as the post-plating process, since the applying special processing for suppressing generation of whiskers in the plating layer is indispensable, further processing costly, a problem that occur it was.
特開２００１−１１０４９１号公報 JP 2001-110491 JP
本発明は、上記問題点に鑑み、後メッキ処理を施す場合と比べて、製造コストを抑えることができるコネクタ端子の製造方法及びコネクタ端子を得ることを目的とする。 In view of the above problems, as compared with the case of applying a post-plating treatment, and to obtain a manufacturing method and the connector terminals of the connector terminal that can suppress the manufacturing cost.
請求項１に記載の発明に係るコネクタ端子の製造方法は、基板上に実装されたコネクタハウジングに取り付けられ、相手側コネクタの接続端子と嵌合する嵌合部と、前記基板に接続される基板取付部と、を備えたコネクタ端子の製造方法において、それぞれ予め全周面にメッキ処理の施された第１線材と第２線材とを、それぞれ互いの端部を重ね合わせて接合し、前記第１線材から前記嵌合部を形成すると共に前記第２線材から前記基板取付部を形成した、ことを特徴とする。 Substrate manufacturing method of the connector terminal according to the invention of claim 1 is attached to the connector housing mounted on the substrate, which is connected to the fitting portion for connecting terminal and the mating of the mating connector, the substrate a mounting portion, in the manufacturing method of the connector terminal provided with, a first wire member and the second wire member subjected to the plating treatment beforehand the entire circumference respectively, each joined by overlapping the ends of each other, the first the formation of the substrate attachment portion from said second wire material with from 1 wire material forming the fitting portion, characterized in that.
請求項１に記載の発明に係るコネクタ端子の製造方法では、それぞれ予め全周面にメッキ処理の施された第１線材と第２線材とが、それぞれ互いの端部を重ね合わせて、例えば溶接処理等の処理が施されることで接合される。 In the manufacturing method of the connector terminal according to the invention of claim 1, the first wire material has been subjected to plating treatment beforehand the entire peripheral surface, respectively and the second line material, respectively superimposed ends of each other, for example welded They are joined by processing such as treatment is performed.
次いで、例えば第２線材に曲げ加工を施して、第１線材からコネクタ端子の嵌合部が形成されると共に第２線材からコネクタ端子の基板取付部が形成される。 Then, for example, bending giving the process a second wire material, the substrate attachment portion of the connector terminal from the second wire rod with fitting portion of the connector terminal from the first wire rod is to be formed.
このようにして製造されたコネクタ端子では、その表層が第１線材の周面のメッキ層と第２線材の周面のメッキ層とによって構成されるため、後メッキ処理を不要にできる。 In the so-produced connector terminal, since the surface layer is constituted by a first wire material of the peripheral surface of the plating layer and the plating layer of the peripheral surface of the second wire member, the post-plating treatment can be dispensed.
従って、請求項１記載のコネクタ端子の製造方法は、後メッキ処理を施す場合と比べて、メッキ処理のコスト、ひいてはコネクタ端子の製造コストを抑えることができる。 Therefore, the production method according to claim 1, wherein the connector terminal, compared with the case of applying a post-plating treatment, the cost of the plating process, it is possible to reduce the manufacturing cost of the thus connector terminals.
また、本コネクタ端子の製造方法では、例えば、板状の条材にプレス加工を施して、プレス加工後（板材打ち抜き後）の櫛状に繋がった複雑な形状のワークを形成する作業が不要となり、２本の線材を接合するという簡単な加工でコネクタ端子を製造できる。 Further, in the manufacturing method of the present connector terminal, for example, by performing press working on a plate-shaped elongated member, the task of forming a workpiece of complex shape that led to comb after pressing (post plate punching) is not required It can be produced connector terminal by a simple process of joining the two wire rods. このため、複雑な形状のワークを形成する場合に比べて、材料歩留りが向上する。 Therefore, as compared with the case of forming the complex shaped workpiece, thereby improving the material yield.
また、本コネクタ端子の製造方法によって製造されたコネクタ端子のメッキ層は、予め第１線材及び第２線材の各全周面に形成されたメッキ層で構成されるので、メッキ厚のバラツキが少ない。 The plating layer of a method of manufacturing a connector terminal which is produced by the present connector terminals are configured at a pre-plated layer formed on the entire peripheral surface of the first wire member and the second wire member, a small variation in plating thickness . 従って、製品精度の高いコネクタ端子を製造できる。 Thus, it can be produced with high product precision connector terminal.
請求項２に記載の発明に係るコネクタ端子の製造方法は、請求項１記載の発明において、前記第２線材として、前記第１線材の太さよりも細い線材を使用する、ことを特徴とする。 Method for producing a connector terminal according to the invention of claim 2 is the invention of claim 1, wherein, as the second wire rod, using a thin wire material than the thickness of the first wire material, characterized in that.
請求項２に記載の発明に係るコネクタ端子の製造方法によれば、第２線材の太さが第１線材の太さよりも細いため、コネクタ端子の基板取付部の太さは、嵌合部の太さよりも細くなる。 According to the manufacturing method of the connector terminal according to the invention of claim 2, the thickness of the second wire material for thinner than the thickness of the first wire material, the thickness of the substrate mounting portion of the connector terminal, the fitting portion It becomes thinner than the thickness.
このようなコネクタ端子は、例えば、基板に実装されたコネクタハウジングの側方に、基板に垂直な方向に２段に取り付けられる。 Such connector terminals are, for example, on the side of the mounted connector housing to the substrate, is attached to the two stages in the direction perpendicular to the substrate. この場合には、第１線材から形成された嵌合部と第２線材から形成された基板取付部とが基板面に平行な面上で互いに隣り合うようにコネクタ端子がコネクタハウジングに取り付けられ、しかもこの隣り合う方向に沿った嵌合部と基板取付部との位置が一方の段のコネクタ端子と他方の段のコネクタ端子とで互いに逆になるようにそれぞれの段のコネクタ端子がコネクタハウジングに取り付けられる。 In this case, the connector terminals as fitting portion formed from a first wire member and the substrate mounting portion formed from a second wire member are adjacent to each other on a plane parallel to the substrate surface is attached to the connector housing, Moreover, each stage of the connector terminals connector housing so as to be opposite to each other with the connector terminals of the connector terminals and the other stages of one stage is positioned between the fitting portion and the substrate mounting portion along the adjacent direction It is attached.
ここで、前述の如く基板取付部の太さは嵌合部の太さよりも細いため、一方の段のコネクタ端子の基板取付部と、他方の段の基板取付部とを、互いに干渉し合うことなく基板に取り付けることができる。 Since thinner than the thickness of the thickness is fitted portion of the substrate attachment portion as described above, and the substrate attachment portion of the connector terminal of one stage, and a substrate attachment portion of the other stages, interfering with each other it can be attached without the substrate.
請求項３に記載の発明に係るコネクタ端子は、基板上に実装されたコネクタハウジングに取り付けられ、相手側コネクタの接続端子と嵌合する嵌合部と、前記基板に接続される基板取付部と、を備えたコネクタ端子において、前記嵌合部は、予め全周面にメッキ処理の施された第１線材から形成され、前記基板取付部は、予め全周面にメッキ処理の施された第２線材から形成され、端部が前記第１線材の端部に重ね合わせて接合された、ことを特徴とする。 Connector terminal according to the invention of claim 3 is attached to a connector housing mounted on a substrate, and a fitting portion to be fitted with connecting terminals of the mating connector, and a substrate attachment portion connected to the substrate in the connector terminal wherein the fitting portion is formed from a first wire material subjected to the plating treatment beforehand in entire peripheral surface, the substrate attachment portion, first has been subjected to plating treatment beforehand the entire peripheral surface is formed from two wire material, the ends are joined by overlapping the end portion of the first wire rod, characterized in that.
請求項３に記載の発明に係るコネクタ端子によれば、基板上に実装されたコネクタハウジングに取り付けられて使用される。 According to the connector terminal according to the invention of claim 3 is used mounted on the mounting a connector housing on the substrate. コネクタ端子は、嵌合部と基板取付部とを備えており、嵌合部が相手側コネクタの接続端子と嵌合すると共に、基板取付部が基板に接続される。 Connector terminal is provided with a fitting portion and the substrate attachment portion, the fitting portion with fitted with connection terminals of the mating connector, the substrate attachment portion is connected to the substrate.
このようなコネクタ端子を製造する際には、予め全周面にメッキ処理の施された第１線材と、予め全周面にメッキ処理の施された第２線材とが使用される。 When manufacturing such a connector terminal includes a first wire rod subjected to the plating treatment beforehand in entire peripheral surface, and a second wire material is used which has been subjected to plating treatment beforehand the entire circumference. 第１線材の端部と第２線材の端部とは互いに重ね合わせて例えば溶接処理等の処理が施されることで接合され、第１線材から嵌合部が形成されると共に第２線材から基板取付部が形成される。 Are joined by the process of the welding process such as, for example, an end portion of the first wire member and the end portion of the second wire material superposed each other is applied from the second wire member with the fitting portion of the first wire material is formed substrate attachment portion.
従って、請求項３記載のコネクタ端子は、後メッキ処理を施す場合と比べて、メッキ処理のコスト、ひいてはコネクタ端子の製造コストを抑えることができる。 Thus, the connector terminal according to claim 3, compared with the case of applying a post-plating treatment, the cost of the plating process, it is possible to reduce the manufacturing cost of the thus connector terminals.
また、本コネクタ端子を製造する際には、例えば、板状の条材にプレス加工を施して、プレス加工後（板材打ち抜き後）の櫛状に繋がった複雑な形状のワークを形成する作業が不要となり、２本の線材を接合するという簡単な加工でコネクタ端子を製造できる。 In producing this connector terminal, for example, the work of by performing press working on a plate-shaped elongated member forms a work having a complicated shape that led to comb after pressing (post plate punching) It becomes unnecessary, thereby producing a connector terminal with a simple process of joining the two wire rods. このため、複雑な形状のワークを形成する場合に比べて、材料歩留りが向上する。 Therefore, as compared with the case of forming the complex shaped workpiece, thereby improving the material yield.
また、本コネクタ端子のメッキ層は、予め第１線材及び第２線材の各全周面に形成されたメッキ層で構成されるので、メッキ厚のバラツキが少ない。 The plating layer of the connector terminal are configured at a pre-plated layer formed on the entire peripheral surface of the first wire member and the second wire member, a small variation in plating thickness. 従って、本コネクタ端子は、製品精度を向上させることができる。 Thus, the connector terminal can improve product accuracy.
請求項４に記載の発明に係るコネクタ端子は、請求項３記載の発明において、前記基板取付部の太さは、前記嵌合部の太さよりも細い、ことを特徴とする。 Connector terminal according to the invention of claim 4 is the invention of claim 3, wherein, the thickness of the substrate mounting portion, the thinner than the thickness of the fitting portion, characterized in that.
請求項４に記載の発明に係るコネクタ端子では、例えば、第２線材の太さを第１線材の太さよりも細いものとすることで、コネクタ端子の基板取付部の太さが、嵌合部の太さよりも細くなる。 The connector terminal according to the invention of claim 4, for example, the thickness of the second wire material that shall thinner than the thickness of the first wire material, the thickness of the substrate mounting portion of the connector terminal fitting portions It becomes thinner than the thickness of.
以上説明した如く本発明に係るコネクタ端子の製造方法及びコネクタ端子は、後メッキ処理を施す場合と比べて、製造コストを抑えることができる。 The manufacturing method and the connector terminals of the connector terminal according to the present invention as described above, as compared with the case of applying a post-plating treatment, it is possible to suppress the manufacturing cost.
本発明の実施の形態に係る表面実装コネクタ（以下、ＳＭＴコネクタともいう）１０に適用されるコネクタ端子としての上段ターミナル２２及び下段ターミナル２８について、図１乃至図６に基づいて説明する。 Surface mount connector according to an embodiment of the present invention (hereinafter, also referred to as SMT connector) for the upper terminal 22 and lower terminal 28 of the connector terminal that is applied to 10 will be described with reference to FIGS. 1 to 6. なお、説明の都合上、図１乃至図６において矢印Ａにて示す方向を前方、矢印Ａと直交する矢印Ｂにて示す方向を右側方、矢印Ａ及び矢印Ｂの双方と直交する矢印Ｃにて示す方向を上方ということとする。 For convenience of explanation, the direction indicated by arrow A in Figures 1-6 the front, right side of the direction indicated by arrow B which is orthogonal to arrow A, an arrow C which is perpendicular to both of the arrows A and B and that the direction indicated Te upward.
図１には、ＳＭＴコネクタ１０と、このＳＭＴコネクタ１０が実装される基板（例えばスクリーン印刷等によってランドが印刷されたプリント基板）１２との概略が、側断面図にて示されている。 1 shows, the SMT connector 10, a schematic of the 12 (printed circuit board lands is printed by screen printing, for example, etc.) substrate, on which the SMT connector 10 is mounted is shown in side sectional view.
ＳＭＴコネクタ１０は、コネクタハウジングとしてのコネクタ本体１４を備えている。 SMT connector 10 includes a connector body 14 as the connector housing. コネクタ本体１４は、例えば略矩形箱状に形成されており、基板１２上に実装された状態でこの基板１２に対して立設される背壁１６を有している。 The connector body 14, for example, is formed in a substantially rectangular box shape, and has a rear wall 16 that is erected with respect to the substrate 12 in a state of being mounted on the substrate 12. この背壁１６には、左右方向に沿って並列して配置された複数の上段ターミナル取付孔１８と、左右方向に沿って並列して配置された複数の下段ターミナル取付孔２０とが形成されている（図２参照）。 The rear wall 16, a plurality of upper terminals mounting holes 18 arranged in parallel along the lateral direction, and a plurality of lower terminals mounting holes 20 arranged in parallel along the lateral direction is formed are (see Figure 2). 図１及び図２に示されるように、上段ターミナル取付孔１８は、それぞれ下段ターミナル取付孔２０の直上（ただし、背壁１６の左右方向中央部を除く）に形成されている。 As shown in FIGS. 1 and 2, the upper terminal mounting hole 18 is formed directly on the lower terminal mounting holes 20, respectively (except for the left-right direction central portion of the rear wall 16). 上段ターミナル取付孔１８は上段ターミナル２２に対応した形状に形成されており、下段ターミナル取付孔２０は下段ターミナル２８に対応した形状に形成されている（図２参照）。 Upper terminal mounting hole 18 is formed in a shape corresponding to the upper terminal 22, the lower terminal mounting hole 20 is formed in a shape corresponding to the lower terminals 28 (see FIG. 2).
また、ＳＭＴコネクタ１０は、左右方向に沿って並列して配置された複数の上段ターミナル２２と、左右方向に沿って並列して配置された複数の下段ターミナル２８とを備えている。 Also, SMT connectors 10 includes a plurality of upper terminals 22 arranged in parallel along the lateral direction, and a plurality of lower terminals 28 arranged in parallel along the lateral direction. 図１及び図２に示されるように、上段ターミナル２２は、それぞれ下段ターミナル２８の直上（基板１２に垂直な上下方向。ただし、背壁１６の左右方向中央部を除く）に配置されている。 As shown in FIGS. 1 and 2, the upper terminal 22 is disposed on each right above the lower terminal 28 (perpendicular vertical direction to the substrate 12. However, except for the lateral center portion of the rear wall 16).
上段ターミナル２２は、コネクタ本体１４の背壁１６に設けられた上段ターミナル取付孔１８に係合される嵌合部２４を備えている（図１乃至図３参照）。 Upper terminal 22 is provided with a fitting portion 24 which is engaged in the upper terminal mounting holes 18 provided in the rear wall 16 of the connector body 14 (see FIGS. 1 to 3). 嵌合部２４は、断面が四角形（例えば、正方形）とされしかも予め全周面にメッキ処理（例えば、錫メッキ処理）が施された第１線材２４Ａ（例えば、０．５０メッキ線材。図４及び図５参照）から形成されており、その基端部が前述の上段ターミナル取付孔１８に取り付けられている。 Fitting portion 24 in cross section a rectangle (e.g., square) and is moreover plating treatment beforehand the entire peripheral surface (e.g., a tin plating treatment) first wire member 24A which has been subjected (e.g., 0.50 plated wire. FIG. 4 and it is formed from a see FIG. 5), the base end portion is attached to the upper terminal mounting holes 18 described above.
このような嵌合部２４の左側方には、基板取付部２６が密着又は圧着して接合されている（図１乃至図３参照）。 The left side of this fitting portion 24, the substrate attachment portion 26 is joined in close contact or crimped to (see FIGS. 1 to 3). 基板取付部２６は、断面が四角形（例えば、正方形）とされしかも予め全周面にメッキ処理（例えば、錫メッキ処理）が施された第２線材２６Ａ（例えば、０．３０メッキ線材。図４及び図５参照）から形成されている。 Substrate attachment portion 26 in cross section a rectangle (e.g., square) and is moreover plating treatment beforehand the entire peripheral surface (for example, tin plating) second wire member 26A which has been subjected (e.g., 0.30 plated wire. FIG. 4 and it is formed from a see FIG. 5). この第２線材２６Ａは、嵌合部２４の素になる第１線材２４Ａの太さｔ１よりも細い（太さｔ２）線材とされている。 The second wire material 26A is a thin (thickness t2) wire than the thickness t1 of the first line member 24A to be elements of the fitting portion 24. この基板取付部２６の基端部（嵌合部２４側の端部）は基板１２面に平行な面上で嵌合部２４の基端部の左側方に重ね合わされた状態で接合されており（すなわち、基板取付部２６は、嵌合部２４に対して左側にオフセットされており）、嵌合部２４と共に上段ターミナル取付孔１８に係合されて取り付けられている。 The proximal end of the substrate attachment portion 26 (the end portion of the fitting portion 24 side) is joined in a state of being superimposed on the left side of the base end portion of the fitting portion 24 in a plane parallel to the substrate 12 surface (i.e., the substrate attachment portion 26 is offset to the left with respect to the fitting portion 24) is mounted is engaged with the upper terminal mounting hole 18 with the fitting portion 24. さらに、基板取付部２６は、途中で下方（基板１２側）に屈曲している。 Moreover, the substrate attachment portion 26 is bent downward (substrate 12 side) in the middle.
基板取付部２６の先端部（嵌合部２４とは反対側の端部）は、基板１２上面に沿うように屈曲して形成されている。 Tip portion of the substrate attachment portion 26 (end portion opposite to the fitting portion 24) is formed by bending along the substrate 12 upper surface. この基板取付部２６の先端部は、はんだ付けにて基板１２に固定（基板１２上に実装）されている（図１参照。なお、基板取付部２６の先端部に対応して基板１２上に設けられたはんだフィレットについては図示省略）。 Tip of the substrate attachment portion 26 is fixed (mounted on the substrate 12) is (see Fig. 1 on the substrate 12 by soldering. Incidentally, on the substrate 12 in correspondence to the distal end portion of the substrate attachment portion 26 not shown for solder fillets provided).
一方、下段ターミナル２８は、コネクタ本体１４の背壁１６に設けられた下段ターミナル取付孔２０に係合される嵌合部３０を備えている（図１乃至図３参照）。 On the other hand, the lower terminal 28 includes a fitting portion 30 which is engaged in the lower terminal mounting holes 20 provided in the rear wall 16 of the connector body 14 (see FIGS. 1 to 3). 基板取付部３２は、予め全周面にメッキ処理が施された線材であって前述の上段ターミナル２２の嵌合部２４の素になる線材と同一の第１線材２４Ａから成っており、その基端部が前述の下段ターミナル取付孔２０に取り付けられている。 Substrate attachment portion 32 is formed of a pre entire peripheral surface in the plating process is subjected wire rod in a to the first wire member 24A identical to the wire underlying the fitting portion 24 of the aforementioned upper terminal 22, the group end is attached to the lower terminal mounting holes 20 described above.
このような嵌合部３０の右側方には、基板取付部３２が密着又は圧着して接合されている（図１及び図２参照）。 Such the right side of the fitting portion 30, the substrate attachment portion 32 is joined in close contact or crimped to (see FIGS. 1 and 2). 基板取付部３２は、予め全周面にメッキ処理が施された線材であって前述の上段ターミナル２２の基板取付部２６の素になる線材と同一の第２線材２６Ａから成っており、従って、この第２線材２６Ａは、嵌合部３０の素になる線材２４Ａの太さｔ１よりも細い（太さｔ２）線材とされている。 Substrate attachment portion 32 is formed of a pre entire peripheral surface in the plating process is subjected wire rod in a to the same wire underlying the substrate attachment portion 26 of the aforementioned upper terminal 22 second wire member 26A, therefore, the second wire material 26A is a thin (thickness t2) wire than the thickness t1 of the wire 24A to be elements of the fitting portion 30. この基板取付部３２の基端部（嵌合部３０側の端部）は基板１２面に平行な面上で嵌合部３０の基端部の右側方に重ね合わされた状態で接合されており（すなわち、基板取付部３２は、嵌合部３０に対して右側にオフセットされており）、嵌合部３０と共に下段ターミナル取付孔２０に係合されて取り付けられている。 The proximal end of the substrate attachment portion 32 (the end portion of the fitting portion 30 side) is joined in a state of being superimposed on the right side of the base end portion of the fitting portion 30 in a plane parallel to the substrate 12 surface (i.e., the substrate attachment portion 32 is offset to the right with respect to the fitting portion 30) is mounted is engaged with the lower terminal mounting hole 20 with the fitting portion 30. さらに、基板取付部３２は、途中で下方（基板１２側）に屈曲している。 Moreover, the substrate attachment portion 32 is bent downward (substrate 12 side) in the middle.
基板取付部３２の先端部（嵌合部３０とは反対側の端部）は、基板取付部３２が基板１２上面に沿うように屈曲して形成されている。 Tip portion of the substrate attachment portion 32 (end portion opposite to the fitting portion 30), the substrate attachment portion 32 is formed by bending along the substrate 12 upper surface. この基板取付部３２の先端部は、はんだ付けにて基板１２に固定（基板１２上に実装）されている（図１参照。なお、基板取付部３２の先端部に対応して基板１２上に設けられたはんだフィレットについては図示省略）。 Tip of the substrate attachment portion 32 is fixed (mounted on the substrate 12) is (see Fig. 1 on the substrate 12 by soldering. Incidentally, on the substrate 12 in correspondence to the distal end portion of the substrate attachment portion 32 not shown for solder fillets provided).
このような基板取付部２６及び基板取付部３２は、基板１２上に実装された状態では、左右方向に（矢印Ｂ方向に沿って）基板取付部２６と基板取付部３２とが交互に離間して（すなわち、互いに干渉しないで）一直線上に並んでいる（図２参照）。 Such a substrate attachment portion 26 and the substrate attachment portion 32, in a state of being mounted on the substrate 12, in the lateral direction (along the direction of arrow B) and the substrate attachment portion 26 and the substrate attachment portion 32 is spaced alternately Te are aligned (i.e., non-interfering in each other) on a straight line (see FIG. 2). すなわち、上段ターミナル２２と下段ターミナル２８とが左右方向の同位置でコネクタ本体１４に上下２段に取り付けられていても、上段ターミナル２２の基板取付部２６と下段ターミナル２８の基板取付部３２とが干渉せずに、基板１２に左右方向に沿って一直線上に取り付けられている。 That is, even if the upper terminal 22 and lower terminal 28 is attached to the upper and lower stages in the connector body 14 at the same position in the horizontal direction, and the substrate attachment portion 32 of the substrate attachment portion 26 and the lower terminal 28 of the upper terminal 22 without interfering mounted on a straight line along the lateral direction of the substrate 12.
以上説明したように上段ターミナル２２及び下段ターミナル２８は、それぞれ背壁１６を貫通してコネクタ本体１４の後方に突出し基板１２に実装されている。 Above the upper terminal 22 and lower terminal 28 as described are respectively mounted on the substrate 12 projecting rearwardly of the connector body 14 through the back wall 16. このように、ＳＭＴコネクタ１０は、雄型コネクタとされており、外部端子である雌型コネクタに接続されるようになっている。 Thus, SMT connector 10 is a male connector, adapted to be connected to the female connector which is an external terminal. この接続状態では、雄型ターミナルである上段ターミナル２２及び下段ターミナル２８は、これらの嵌合部２４及び嵌合部３０がそれぞれ外部端子に設けられた雌型ターミナル（相手側端子）の嵌合部に嵌合して導通状態で接続されるようになっている。 In this connection state, the upper terminal 22 and lower terminal 28 is a male terminal fitting portion of the fitting portion 24 and a female terminal which is provided fitting portion 30 to the external terminal, respectively (mating terminal) the fitted and adapted to be connected in a conducting state.
次に、本発明の実施の形態の作用について説明する。 Next, the operation of the embodiment of the present invention.
以下、説明の都合上、上段ターミナル２２を例に取り、その製造手順について説明する。 Hereinafter, for convenience of explanation, taking the upper terminal 22, the following description will discuss the manufacturing procedure.
まず、図４に示されるように、それぞれ予め全周面にメッキ処理の施された第１線材２４Ａと第２線材２６Ａとが、それぞれ互いの端部（第１線材２４Ａの基端部２５及び第２線材２６Ａの基端部２７）を重ね合わせて（すなわち、密着又は圧着させて）並べられる。 First, as shown in FIG. 4, the first wire member 24A having undergone a plating treatment beforehand the entire peripheral surface, respectively and the second wire member 26A is another end, respectively (the base end portion of the first wire member 24A 25 and by superposing base end portion 27) of the second wire member 26A (i.e., adhesion or by crimping) are arranged. この場合において、第１線材２４Ａの底面（図４において、矢印Ｃ方向に互いに対向する一対の面のうち矢印Ｃの基端部側に位置する面）と、第２線材２６Ａの底面（図４において、矢印Ｃ方向に互いに対向する一対の面のうち矢印Ｃの基端部側に位置する面）とが同一平面上に位置するように、第１線材２４Ａと第２線材２６Ａとが隣り合わせに並べられる。 In this case, (4, surface located on the base end portion side of the arrow C of the pair of surfaces facing each other in the direction of arrow C) the bottom surface of the first wire member 24A and the bottom surface of the second wire member 26A (FIG. 4 in, as a surface) located on the base end portion side of the arrow C of the pair of surfaces facing each other in the direction of arrow C is positioned on the same plane, side by side first wire member 24A and the second wire member 26A is It is arranged.
次いで、図５に示されるように、第１線材２４Ａの基端部２５と、第２線材２６Ａの基端部２７との隣り合った部分（ここでは、互いに密着又は圧着した部分）に、例えばレーザ溶接処理等の溶接処理が施されることで、この隣り合った部分が接合される。 Then, as shown in FIG. 5, the proximal end portion 25 of the first wire member 24A, neighboring portions of the base end portion 27 of the second wire member 26A (here, the portion in close contact with or crimped together), for example by welding process with the laser welding process or the like is performed, the neighboring portions are joined.
次いで、このようにして接合された第１線材２４Ａと第２線材２６Ａとは、互いに接合された状態のままで、コネクタ本体１４の上段ターミナル取付孔１８に第１線材２４Ａの先端部（第２線材２６Ａとは反対側の端部）側から圧入される。 Then, the first wire member 24A and the second wire member 26A joined this way, in the state that are joined together, the distal end portion of the first wire member 24A in the upper terminal mounting holes 18 of the connector body 14 (second the wire 26A is press-fitted from the end) side of the opposite side.
次いで、この圧入処理によって第１線材２４Ａの基端部２５と第２線材２６Ａの基端部２７とが共に上段ターミナル取付孔１８に係合されると、第１線材２４Ａと第２線材２６Ａとの圧入処理が完了し、第１線材２４Ａと第２線材２６Ａとが上段ターミナル取付孔１８、すなわちコネクタ本体１４に取り付けられる。 Then, when the press-fitting process and the base end portion 25 of the first wire member 24A and the base end portion 27 of the second wire member 26A is engaged both engaged in the upper terminal mounting hole 18, the first wire member 24A and the second wire member 26A pressed process is complete, the first wire member 24A and the second wire member 26A is the upper terminal mounting hole 18, that is, attached to the connector body 14. この結果、第１線材２４Ａは、嵌合部２４とされる。 As a result, the first wire member 24A is a fitting portion 24.
次いで、コネクタ本体１４の外部（後方）に突出している第２線材２６Ａのうち基端部２７側（嵌合部２４側）が下方（基板１２側）に曲げ加工されると共に、先端部側（嵌合部２４とは反対側）が基板１２の上面に沿うように曲げ加工される。 Then, the base end portion 27 side of the second wire member 26A which protrudes to the outside (rear) of the connector body 14 (fitting portion 24 side) is bent downward (substrate 12 side), the distal end portion side ( opposite) is bent along the upper surface of the substrate 12 and the fitting portion 24. この結果、第２線材２６Ａは、基板取付部２６とされる。 As a result, the second wire member 26A is a substrate attachment portion 26.
以上のようにして、上段ターミナル２２が製造される。 As described above, the upper terminal 22 is produced.
ここで、前述の如く製造された上段ターミナル２２では、その表層が第１線材２４Ａの周面のメッキ層と第２線材２６Ａの周面のメッキ層とによって構成されるため、後メッキ処理を不要にできる。 Here, the upper terminal 22 is prepared as described above, since the surface layer is constituted by a plated layer on the peripheral surface of the plating layer and the second wire member 26A of the peripheral surface of the first wire member 24A, the rear plating unnecessary It can be in.
従って、本実施の形態の上段ターミナル２２の製造方法は、後メッキ処理を施す上段ターミナルの製造方法と比べて、メッキ処理のコスト、ひいては上段ターミナル２２の製造コストを抑えることができる。 Therefore, the manufacturing method of the upper terminal 22 of the present embodiment, as compared with the manufacturing method of the upper terminal performing post-plating process, the cost of the plating process, it is possible to suppress the thus manufacturing cost of the upper terminal 22.
また、本上段ターミナル２２の製造方法では、例えば、板状の条材にプレス加工を施し、プレス加工後（板材打ち抜き後）の櫛状に繋がった複雑な形状のワークを形成する作業が不要となり、２本の線材（第１線材２４Ａ及び第２線材２６Ａ）を接合するという簡単な加工で上段ターミナル２２を製造できる。 Further, in the manufacturing method of the present upper terminal 22, for example, by press working a plate-like elongated member, the task of forming a workpiece of complex shape that led to comb after pressing (post plate punching) is not required It can be produced upper terminal 22 by a simple machining of joining two wires (first wire member 24A and the second wire member 26A). このため、複雑な形状のワークを形成する上段ターミナルの製造方法に比べて、材料歩留りが向上する。 Therefore, as compared with the manufacturing method of the upper terminal forming a workpiece having a complex shape, thereby improving the material yield.
また、本上段ターミナル２２の製造方法によって製造された上段ターミナル２２のメッキ層は、予め第１線材２４Ａ及び第２線材２６Ａの各全周面に形成されたメッキ層で構成されるので、メッキ厚のバラツキが少ない。 Further, since the plating layer of the upper terminal 22 which is manufactured by the manufacturing method of the present upper terminal 22 is constituted by a pre-plated layer formed on the entire peripheral surface of the first wire member 24A and the second wire member 26A, the plating thickness less variation of. 従って、製品精度の高い上段ターミナル２２を製造できる。 Thus, it can be produced with high product precision upper terminal 22.
以上、上段ターミナル２２の製造方法について説明したが、下段ターミナル２８の製造方法については、嵌合部３０の素になる第１線材２４Ａ（嵌合部２４の素になる第１線材２４Ａと同一）に対して基板取付部３２の素になる第２線材２６Ａ（基板取付部２６の素になる第２線材２６Ａと同一）を重ね合わせる位置が、前述の上段ターミナル２２を製造する際と比べて左右正反対である点を除いて他は同様であるため、その説明を省略する。 Having described a method for manufacturing the upper terminal 22, the manufacturing method of the lower terminal 28, the first wire member 24A to be elements of the fitting portion 30 (identical to the first wire member 24A to be elements of the fitting portion 24) position overlapping the second wire rod 26A to be elements of the substrate attachment portion 32 (the same as the second wire member 26A to be elements of the substrate attachment portion 26) with respect to the left and right as compared with the manufacture of the upper terminal 22 of the above since others are the same except that it is opposite, a description thereof will be omitted.
また、本実施の形態では、上段ターミナル２２の基板取付部２６の素になると共に下段ターミナル２８の基板取付部３２の素になる第２線材２６Ａの太さｔ２が、上段ターミナル２２の嵌合部２４の素になると共に下段ターミナル２８の嵌合部３０の素になる第１線材２４Ａの太さｔ１よりも細いため、上段ターミナル２２の嵌合部２４の太さは、基板取付部２６の太さよりも細くなる。 Further, in the present embodiment, the thickness t2 of the second wire member 26A to be elements of the substrate attachment portion 32 of the lower terminal 28 with the underlying substrate attachment portion 26 of the upper terminal 22, the fitting portion of the upper terminal 22 for thinner than the thickness t1 of the first line member 24A to be elements of the fitting portion 30 of the lower terminal 28 with be 24 elements of, the thickness of the fitting portion 24 of the upper terminal 22, the thickness of the substrate attachment portion 26 It becomes narrower than of. このため、上段ターミナル２２と下段ターミナル２８とが左右方向の同位置でコネクタ本体１４に上下２段に取り付けられていても、上段ターミナル２２の基板取付部２６と、下段ターミナル２８の基板取付部３２とを、互いに干渉し合うことなく基板１２に取り付けることができる。 Therefore, even if the upper terminal 22 and lower terminal 28 is attached to the upper and lower stages in the connector body 14 at the same position in the lateral direction, and the substrate attachment portion 26 of the upper terminal 22, the substrate attachment portion 32 of the lower terminal 28 preparative can be attached to the substrate 12 without interfering with each other. このため、基板取付部２６と基板取付部３２との干渉を避けるために、基板取付部２６の基板１２への取付位置を基板取付部３２の基板１２への取付位置よりも後方にずらして（基板取付部２６の基板１２への取付位置と基板取付部３２の基板１２への取付位置とを前後方向に離間させて）基板取付部２６及び基板取付部３２を基板１２に固定する必要がなく、基板取付部２６及び基板取付部３２を基板１２に取り付けるための領域、ひいてはＳＭＴコネクタ１０を基板１２に取り付けるための領域（基板１２上での面積）を小さくできて、好適である。 Therefore, in order to avoid interference with the substrate attachment portion 26 and the substrate attachment portion 32, by shifting the mounting position of the substrate 12 of the substrate attachment portion 26 to the rear than the mounting position of the substrate 12 of the substrate attachment portion 32 ( there is no need to fix the mounting position and the mounting position of the substrate 12 of the substrate attachment portion 32 is separated in the longitudinal direction) substrate attachment portion 26 and the substrate attachment portion 32 to the substrate 12 of the substrate attachment portion 26 on the substrate 12 an area for attaching the substrate attachment portion 26 and the substrate attachment portion 32 to the substrate 12, and thus the SMT connector 10 can be reduced an area for attachment to the substrate 12 (area on the substrate 12), it is suitable.
なお、本実施の形態では、上段ターミナル２２及び下段ターミナル２８の製造過程において、第１線材２４Ａの基端部２５と第２線材２６Ａの基端部２７とを接合する際に、例えばレーザ溶接処理等の溶接処理を施したが、本発明は、これに限らない。 In the present embodiment, in the manufacturing process of the upper terminal 22 and lower terminal 28, when bonding the base end portion 25 of the first wire member 24A and the base end portion 27 of the second wire member 26A, for example, laser welding process Although subjected to welding process etc., the present invention is not limited thereto. 例えば、図６（この図では、上段ターミナル２２の製造過程における第１線材２４Ａと第２線材２６Ａとを図示）に示されるように、第１線材２４Ａの基端部２５と第２線材２６Ａの基端部２７とを接合する際、第１線材２４Ａの基端部２５と第２線材２６Ａの基端部２７との周囲に、帯状の締結部材（例えば、薄肉の金属プレート）３４を曲げ加工により巻き付けることで（第１線材２４Ａの基端部２５と第２線材２６Ａの基端部２７とが互いに密着又は圧着している部分を除く）第１線材２４Ａの基端部２５と第２線材２６Ａの基端部２７とをかしめ、これにより、第１線材２４Ａの基端部２５と第２線材２６Ａの基端部２７とを接合してもよい。 For example, (in this figure, the first line member 24A and the second wire member 26A in the manufacturing process of the upper terminal 22 shown) Figure 6 as shown in, the proximal end portion 25 of the first wire member 24A of the second wire member 26A when joining the base end portion 27, around the proximal end portion 25 of the first wire member 24A and the base end portion 27 of the second wire member 26A, strip-shaped fastening member (e.g., thin metal plate) bent 34 working by wrapping the (excluding the portion where the base end portion 25 of the first wire member 24A and the base end portion 27 of the second wire member 26A is in close contact with or crimped together) the proximal end portion 25 of the first wire member 24A second wire material 26A of a proximal end portion 27 caulking, thereby, the proximal end portion 25 of the first wire member 24A and the base end portion 27 of the second wire member 26A may be joined.
本発明の実施の形態に係る表面実装コネクタが基板上に実装された状態を示す側断面図である。 Surface mount connector according to an embodiment of the present invention is a side sectional view showing a state of being mounted on a substrate. 表面実装コネクタの後面図である。 Is a rear view of a surface mount connector. 図１の側断面図においてコネクタ端子の接合部分付近を拡大した拡大図である。 It is an enlarged view of the vicinity of the joint portion of the connector terminal in the side sectional view of FIG. コネクタ端子の製造工程における斜視図であり、第１線材の基端部に第２線材の基端部を重ねた状態を示す図である。 Is a perspective view in the manufacturing process of the connector terminal is a diagram showing a state in which overlapping proximal end portion of the second wire rod to the proximal end of the first wire member. コネクタ端子の製造工程において、第１線材の基端部と第２線材の基端部との接合例を示す上面図である。 In the manufacturing process of the connector terminal is a top view showing the base end portion of the first wire member and the joining example of the base end portion of the second wire rod. 第１線材の基端部と第２線材の基端部との他の接合例を示す断面図である。 A base end portion of the first wire material is a sectional view showing another joining example of the base end portion of the second wire rod.
１０ 表面実装コネクタ １２ 基板 １４ コネクタ本体（コネクタハウジング） 10 surface mounted connector 12 board 14 connector body (connector housing)
２２ 上段ターミナル（コネクタ端子） 22 upper terminal (connector terminals)
２４ 嵌合部 ２４Ａ 線材（第１線材） 24 fitting portion 24A wire (first wire material)
２５ 基端部（第１線材の端部） 25 proximal end (the end portion of the first wire material)
２６ 基板取付部 ２６Ａ 線材（第２線材） 26 substrate mounting portion 26A wire (second wire material)
２７ 基端部（第２線材の端部） 27 proximal end (the end portion of the second wire rod)
２８ 下段ターミナル（コネクタ端子） 28 lower terminal (connector terminals)
３０ 嵌合部 ３２ 基板取付部 ｔ１ 太さ（第１線材の太さ） 30 fitting portion 32 substrate mounting portion t1 thickness (thickness of the first wire material)
ｔ２ 太さ（第２線材の太さ） t2 thickness (thickness of the second wire rod)
基板上に実装されたコネクタハウジングに取り付けられ、相手側コネクタの接続端子と嵌合する嵌合部と、前記基板に接続される基板取付部と、を備えたコネクタ端子の製造方法において、 Attached to a connector housing mounted on a substrate, and a fitting portion for connection terminal fitting of the mating connector, and a substrate attachment portion connected to the substrate, in the manufacturing method of the connector terminals with a
それぞれ予め全周面にメッキ処理の施された第１線材と第２線材とを、それぞれ互いの端部を重ね合わせて接合し、 A first wire rod has been subjected to plating treatment beforehand the entire peripheral surface, respectively and the second wire rod, respectively joined by overlapping the ends of each other,
前記第１線材から前記嵌合部を形成すると共に前記第２線材から前記基板取付部を形成した、 Wherein the formation of the substrate attachment portion from said second wire member with a first wire material forming the fitting portion,
ことを特徴とするコネクタ端子の製造方法。 Method of manufacturing a connector terminal, characterized in that.
前記第２線材として、前記第１線材の太さよりも細い線材を使用する、 As the second wire rod, using a thin wire material than the thickness of the first wire material,
ことを特徴とする請求項１記載のコネクタ端子の製造方法。 The process according to claim 1, wherein the connector terminals, characterized in that.
基板上に実装されたコネクタハウジングに取り付けられ、相手側コネクタの接続端子と嵌合する嵌合部と、前記基板に接続される基板取付部と、を備えたコネクタ端子において、 Attached to a connector housing mounted on a substrate, and a fitting portion to be fitted with connecting terminals of the mating connector, and a substrate attachment portion connected to the substrate, a connector terminal having a
前記嵌合部は、予め全周面にメッキ処理の施された第１線材から形成され、 The fitting portion is formed from a first wire material subjected to the plating treatment beforehand in entire peripheral surface,
前記基板取付部は、予め全周面にメッキ処理の施された第２線材から形成され、端部が前記第１線材の端部に重ね合わせて接合された、 The substrate mounting portion is formed from a second wire member subjected to the plating treatment beforehand in entire peripheral surface, the ends are joined by overlapping the end portion of the first wire material,
ことを特徴とするコネクタ端子。 Connector terminals, characterized in that.
前記基板取付部の太さは、前記嵌合部の太さよりも細い、 Thickness of the substrate mounting portion is thinner than the thickness of the fitting portion,
ことを特徴とする請求項３記載のコネクタ端子。 Claim 3 wherein the connector terminals, characterized in that.
JP2005013348A 2005-01-20 2005-01-20 Manufacturing method of connector terminal and connector terminal Pending JP2006202617A (en)
JP2005013348A JP2006202617A (en) 2005-01-20 2005-01-20 Manufacturing method of connector terminal and connector terminal
EP20060000936 EP1684391A3 (en) 2005-01-20 2006-01-17 Connector terminal fabrication process and connector terminal
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CN 200610005962 CN100502170C (en) 2005-01-20 2006-01-20 Connector terminal fabrication process and connector terminal
CN 200620002920 CN2909571Y (en) 2005-01-20 2006-01-20 Connector terminal
JP2006202617A true true JP2006202617A (en) 2006-08-03
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JP2005013348A Pending JP2006202617A (en) 2005-01-20 2005-01-20 Manufacturing method of connector terminal and connector terminal
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