baber/WOPTO huggingface dataset:
Patent JP-2013506374-A (JP)
Title: 人体通信システムにおける低周波数帯域でのデータ送信装置及び方法、並びにその人体通信システム
IPC: H04B13/00
Filed: 2010-05-07
Abstract: 本発明は、人体通信システムにおいて、様々な範囲の中心周波数を選択しつつ人体の非接触状況も考慮してデータを送信する方案を提案する。このために、本発明の第１の実施形態では、中心周波数を簡便に移動させることができる人体通信システムを提案し、特に、中心周波数の移動が可能であるように多重化器の出力を特定の周波数に遷移させる周波数遷移器を含むデータ送信装置を提案する。また、本発明の第２の実施形態では、中心周波数の選択、送信帯域の最小化だけでなく、データ速度及び変調などを制御することにより人体の非接触状況でも安定して通信することができる人体通信システムを提案する。このようにすることにより、帯域効率を最大化することができるだけでなく人体の非接触状況も考慮したデータの送信が可能である。
Patent JP-2013507757-A (JP)
Title: 電気的多層コンポーネント及び回路装置
IPC: H01G4/232
Filed: 2010-10-11
Abstract: 本発明は電気的多層コンポーネントに関し、この電気的多層コンポーネントは、複数の交互に積層配置したセラミック層（２）及び少なくとも１つの電極層（３）を有して一体品構成とした基体（１）を備える。基体（１）は、互いに対向する２つの端面（４，４′）及び互いに対向する２つの側面（５，５′）と共に、複数個の外部電極（６，６′）及び少なくとも３個の内部電極（７，８，９）を有する。内部電極（７，８，９）は、それぞれ１個の外部電極（６，６′）に割り当てて接続する。端面（４，４′）のうち少なくとも一方から延在する少なくとも１個の第１内部電極（７）、及び端面（４，４′）の他方から延在する少なくとも１個の第２内部電極（８）は、互いに第１間隔（ａ）をとって離間する。さらに、側面（５，５′）の一方から第３内部電極（９）が延在し、第３内部電極（９）は、第１内部電極（７）又は前記第２内部電極（８）に対して第２間隔（ｂ）をとって離間する。 【選択図】図２
Patent JP-2013506708-A (JP)
Title: 医薬製剤
IPC: C12N15/09
Filed: 2010-10-04
Abstract: 組換えhCG（rhCG）を含有する製剤。
Patent JP-2013509056-A (JP)
Title: 低減した２次混変調を伴うパッシブミキサ
IPC: H04B1/26
Filed: 2009-10-23
Abstract: 本開示は、一般に、無線通信システムにおける受信機構造の分野に関し、より詳細には、受信機構造におけるパッシブミキサと、第１の周波数を有する第１の信号を、第２の周波数を有する第２の信号に、第３の周波数を有する第３の信号を使用することによって、変換する、技術とに関する。第３の周波数を有する第３の信号を使用することによって、第１の周波数を有する第１の信号を、第２の周波数を有する第２の信号に変換する、パッシブミキサが、キャンセル値で加重された第１の信号を、第３の信号に重畳することによって、２次混変調成分を打ち消す第１のキャンセル信号を生成する、キャンセルコンポーネント２２０と、第１の信号を受信する第１の端子２３２と、第２の信号を出力する第２の端子２３４と、第１のキャンセル信号を受信する第３の端子２３６とを有する混合コンポーネント２３１とを備え、混合コンポーネント２３１が、第１の端子２３２で入力として与えられる第１の信号と、第３の端子２３６で入力として与えられる第１のキャンセル信号とを混合することによって、第２の端子２３４での出力として、第２の信号を与えるように適合される。
Patent JP-2013508244-A (JP)
Title: 昇降装置のための調整ヘッド
IPC: B66F9/065
Filed: 2009-10-21
Abstract: 【課題】  昇降装置（１）のための及び昇降装置（１）の自由端（６）と解放可能な連結（７）のために意図された調整ヘッド（２）を提供する。 【解決手段】  前記調整ヘッド（２）は、昇降装置（１）の調整手段から独立して調整ヘッド（２）の三次元調整のための機構（９〜１３，１５）を含む。 【選択図】  図４
Patent JP-2013508981-A (JP)
Title: 超高密度パワートレンチｍｏｓｆｅｔ
IPC: H01L29/78
Filed: 2010-10-20
Abstract: 一実施形態において、方法は、垂直金属酸化膜半導体電界効果トランジスタ（ＭＯＳＦＥＴ）のための本体領域内に複数のトレンチを形成する工程を含み得る。加えて、前記方法は、前記本体領域内にソース領域を角注入する工程を含み得る。さらに、前記複数のトレンチ内において、誘電材料が成長され得る。前記複数のトレンチ内に、ゲートポリシリコンが堆積され得る。さらに、前記方法は、前記ゲートポリシリコンを化学機械研磨する工程を含み得る。前記方法はまた、前記複数のトレンチ内において前記ゲートポリシリコンをエッチバックする工程を含み得る。 【選択図】なし
Patent JP-2013512948-A (JP)
Title: ２０−Ｏ−β−Ｄ−グルコピラノシル−２０（Ｓ）−プロトパナキサジオールを含む固体分散体
IPC: A61K9/48
Filed: 2009-12-08
Abstract: 【課題】２０−Ｏ−β−Ｄ−グルコピラノシル−２０（Ｓ）−プロトパナキサジオールの溶出率を増加させる作用効果を有する、固体分散体を提供すること。 【解決手段】本発明は、薬理学的活性成分としての２０−Ｏ−β−Ｄ−グルコピラノシル−２０（Ｓ）−プロトパナキサジオール、及び脂質マトリクスとしての飽和ポリグリコール化グリセリドを含んでなる、固体分散体を提供する。 【選択図】図１
Patent JP-2013513660-A (JP)
Title: 低毒性活性薬剤局所送達システム
IPC: A61K47/06
Filed: 2010-02-26
Abstract: ビタミンＡおよびその誘導体を含む活性薬剤の局所送達を可能にする、活性薬剤送達組成物が提供される。メトキソナフルオロブタンまたはエトキソナフルオロブタンなどのポリハロゲンビヒクルが、シリコーンには通常溶けない活性薬剤の可溶化を可能にし、水分を保持する組成物を提供するよう、活性薬剤およびシリコーン担体の結合剤として機能する。
Patent JP-2013515008-A (JP)
Title: 凝血塊結合化合物に関連する方法および組成物
IPC: A61K38/08
Filed: 2010-12-20
Abstract: 凝血塊結合化合物に関連する組成物および方法を開示する。例えば、表面分子と少なくとも１つの修飾された凝血塊結合化合物とを含む組成物を開示する。修飾された凝血塊結合化合物は、凝固した血漿タンパク質と選択的に結合することができ、ここで、組成物は、凝固を引き起こし、腫瘍における組成物の蓄積を増幅する。修飾された凝血塊結合化合物は、その修飾されていない誘導体と比較して、腫瘍における凝固を増強することができる。開示されたターゲティングは、ガンならびに他の疾患および障害の治療に有用である。 【選択図】なし
Patent JP-2013518668-A (JP)
Title: ２つの手首におけるデータ収集システム
IPC: A61B5/296
Filed: 2011-01-28
Abstract: 【解決手段】検出が、胃からかなり離れた箇所から行われる。協働センサである電子機器が、患者の２つの手首の夫々に取り付けられる。腹部のパッチの不快さ及び不便さが減少するか又は除去される。また、代替的な電源が可能になる。
Patent JP-2013520291-A (JP)
Title: 遠近調節型眼内レンズのための液体
IPC: A61F2/16
Filed: 2011-02-23
Abstract: 眼内レンズに組み込まれた液体及びその使用方法である。いくつかの実施形態において、液体はシリコーンオイルであり、いくつかの実施形態において、それらは遠近調節型眼内レンズ内に用いられる。
Patent JP-2013521026-A (JP)
Title: 神経聴覚補助装置において電極刺激信号を発生させるための方法および装置
IPC: H04R25/00
Filed: 2010-12-13
Abstract: 聴覚刺激信号処理は、複数の周波数ビン信号を受信するよう構成される複数の信号入力と、選択確率値割当部と、ランダム選択部と、電極刺激信号発生器とを含む。選択確率割当部は、複数の周波数ビン信号のうち１以上の周波数ビン信号に選択確率値を割り当てるよう構成される。ランダム選択部は、１以上の周波数ビン信号に割り当てられた選択確率値を考慮するランダムなプロセスにより、複数の周波数ビン信号から１つの周波数ビン信号を選択するよう構成される。電極刺激発生部は、神経聴覚補助装置の電極に付与する電極刺激信号を発生するように構成され、電極は、選択された周波数ビン信号の周波数に対応する。対応の方法およびコンピュータ可読デジタル記憶媒体も開示される。 【選択図】図３
Patent JP-2014132855-A (JP)
Title: Method for manufacturing brewed food with good flavor
Inventor: WATABE JUN
IPC: A23L27/50
Filed: 2013-01-10
Abstract: PROBLEM TO BE SOLVED: To provide a method for manufacturing a brewed food with good flavor, preventing the brewed food from being contaminated with film yeast by a simpler method.SOLUTION: The method for manufacturing a brewed food with good flavor includes performing fermentation and maturation under an environment with presence of ions generated by an ion generator.
Patent JP-2014138007-A (JP)
Title: Semiconductor light-emitting element
Inventor: KAZAMA TAKUYA
IPC: H01L33/30
Filed: 2013-01-15
Abstract: PROBLEM TO BE SOLVED: To provide a semiconductor light-emitting element which has excellent reliability because the whole uniformly emits light to achieve high luminous efficiency and which achieves low manufacturing cost and has high performance.SOLUTION: A light-emitting element 10 comprises: a semiconductor structure layer 11 composed of an AlGaInP-based semiconductor in which a first conductivity type first semiconductor layer, an active layer and a second conductivity type second semiconductor layer are laminated in this order; a first electrode formed on a part of the first semiconductor layer; and a second electrode formed on a part of the second semiconductor layer. The first electrode is formed in a region other than a region opposite to a region where the second electrode is formed across the semiconductor structure layer. The second electrode includes power supply wiring which forms Schottky junction with the second semiconductor layer and a wiring electrode which extends from the power supply wiring and forms ohmic junction with the second semiconductor layer. The light-emitting element 10 comprises a current diffusion function layer composed of a plurality of low-resistance layers and high-resistance layers each sandwiched between every plurality of low-resistance layers and each having resistance higher than that of each of the plurality of low-resistance layers.
Patent JP-2014137802-A (JP)
Title: Information processing device, its control method and program
Inventor: OKUBO YUZURU
IPC: G06F21/31
Filed: 2013-01-18
Abstract: PROBLEM TO BE SOLVED: To solve the problem in which a burden of user's operation in an authentication screen increases because connection with an external device through a proxy server is not taken into consideration, when periodically transmitting information to the external device.SOLUTION: An information processing device comprises display control means to control display of a dialog for confirming that transmission of an operation log about a device to an external device is periodically performed, authentication means to perform authentication with a proxy server when transmitting the operation log, transmission means to transmit the operation log to the external device when the authentication with the proxy server succeeds, and control means to prevent periodical transmission of the operation log by the transmission means when the authentication with the proxy server fails. The control means cancels the prevention of periodical transmission of the operation log when setting of the proxy server is changed.
Patent JP-2013100330-A (JP)
Title: Ophthalmic composition
Inventor: UENO TAKASHI
IPC: A61P27/02
Filed: 2013-01-21
Abstract: PROBLEM TO BE SOLVED: To provide an ophthalmic composition containing a prostaglandin compound and a thicjening compound.SOLUTION: The composition can express more stably, sustain longer, and further increase the action effect of the PG compound because the composition contains the thickening compound.
Patent JP-2014141915-A (JP)
Title: Abnormality diagnosis device of fuel pressure sensor
Inventor: SAHASHI TOSHIYASU
IPC: F02D45/00
Filed: 2013-01-23
Abstract: PROBLEM TO BE SOLVED: To provide an abnormality diagnosis device which can diagnose even an offset abnormality of a fuel pressure sensor, and can diagnose the fuel pressure sensor in which an abnormality occurs more in detail.SOLUTION: An abnormality diagnosis device of a fuel pressure sensor used in a fuel injection system having fuel injection valves 10 (#1 to #4), and fuel pressure sensors 20 for detecting fuel pressures in respective high-pressure passages 11a comprises: a first abnormality identifying part which identifies a first fuel pressure sensor 20 (first fuel pressure sensor) in which an abnormality occurs; a simultaneous detection part which makes the fuel pressure sensors 20 other than the first fuel pressure sensor simultaneously detect fuel pressures when injection by the fuel injection valves 10 corresponding to the fuel pressure sensors 20 other than the first fuel pressure sensor are not performed; and a second abnormality identifying part which performs a comparison of the fuel pressures by using the two fuel pressure sensors 20 by a plurality of combinations in the fuel pressure sensors 20 other than the first fuel pressure sensor, and identifies a second fuel pressure sensor 20 in which an abnormality occurs by a majority of the comparison result.
Patent JP-2014143826-A (JP)
Title: Power centralized management device
Inventor: KITAZONO TAKUYA
IPC: B60L11/18
Filed: 2013-01-23
Abstract: PROBLEM TO BE SOLVED: To provide a power centralized management device capable of smoothly coping with fluctuation in demand power in a business facility and power traded with a power company, while suppressing capacity of a standing storage battery.SOLUTION: A power centralized management device 11 comprises: a power company power output/input unit 55 connected to a power system network 18 of a power company 19; an electric vehicle power output/input unit 57 connected to a charge/discharge stand 29 for charging/discharging a storage battery 36 in an EV 26 of a guest of a lodging facility 5; and a power control unit 58 which supplies the lodging facility 5 with power depending on its power demand by using the storage battery 36 in the EV 26 connected to the electric vehicle power output/input unit 57 as a storage battery for the lodging facility 5, and controls a power trading amount transmitted/received between the lodging facility 5 and the power company through the power company power output/input unit 55 and a charge/discharge amount of the storage battery 36 in the EV 26.
Patent JP-2014142138-A (JP)
Title: Air conditioner
Inventor: NAGASAWA ATSUSHI
IPC: F24F1/16
Filed: 2013-01-24
Abstract: PROBLEM TO BE SOLVED: To suppress degradation in heat exchange performance of a micro-channel heat exchanger caused by dew condensation water generated by heat exchange by efficiently removing the dew condensation water while ensuring high heat exchange performance thereof.SOLUTION: An air conditioner comprises: a micro-channel heat exchanger; and finned tube heat exchanger. The micro-channel heat exchanger includes: a plurality of micro-channel portions including a plurality of very small channels in which refrigerant flows, and provided to be separated from one another; and a plurality of first fin portions provided between the two adjacent micro-channel portions so as to contact the respective micro-channel portions. The finned tube heat exchanger includes: a plurality of second fin portions provided to be separated from one another; and a refrigerant tube that is provided to penetrate the second fin portions, and in which the refrigerant flowing, and is provided downward of the micro-channel heat exchanger in a gravity direction.
Patent JP-2014143347-A (JP)
Title: Driving method for semiconductor laser and semiconductor laser device
Inventor: KOKUBO SHOJI
IPC: H01S5/068
Filed: 2013-01-25
Abstract: PROBLEM TO BE SOLVED: To make it possible to arbitrarily set a light output set value from outside by an inexpensive configuration that requires no temperature sensor, and make it possible to easily vary the light emission output intensity of a semiconductor laser according to the set value while keeping the wavelength of emitted light constant.SOLUTION: According to a light output set value set arbitrarily by light output setting means 5, drive current If is caused to flow in a semiconductor laser 1 by light emitting drive means 2. Thereby the semiconductor laser 1 is emitted at light output intensity corresponding to the light output set value. During the light emission drive, a forward voltage Vf corresponding to when the drive current of the semiconductor laser 1 has a predetermined value is detected by forward voltage detection means 3. A heating member or cooling member is driven by temperature control means 4 so that the value of the forward voltage Vf is kept constant. By heating or cooling the semiconductor laser 1, its temperature is controlled. Thereby, the semiconductor laser 1 is caused to emit light at light output intensity corresponding to the light output set value input from outside and at a constant wavelength.
Patent JP-2013179279-A (JP)
Title: Potential barrier element control circuit and potential barrier element circuit
Inventor: HANEDA SHOJI
IPC: H05B37/02
Filed: 2013-01-28
Abstract: PROBLEM TO BE SOLVED: To enable operation by applying an appropriate voltage to a series connection circuit if there are variations of an operation power supply voltage of the series connection circuit of the semiconductor elements having a potential barrier and they are within a presumed range.SOLUTION: A potential barrier element circuit includes: a circuit "s" having one end and the other end, in which a current path "s" of a semiconductor element "s" having a potential barrier value "s" is serially connected in an identical-polarity potential barrier direction "s"; a circuit "t" having one end and the other end, in which a current path "t" of a semiconductor element "t" having a potential barrier value "t" is serially connected in the potential barrier direction "s"; a circuit 1 in which a current path 1 of a semiconductor element 1 having a control end 1 is serially connected in the same polarity direction; a semiconductor element 2 having a control end 2 and a current path 2; and an element 3 having one end and the other end. Parallel connections between one end of the current path 1 and one end of the current path "t" and between the other end of the current path 1 and the other end of the current path "t" are established in pairs, so as to constitute a parallel connection series circuit of the circuit 1 and the circuit "t" in the potential barrier direction "s."
Patent JP-2014145843-A (JP)
Title: Image display device
Inventor: ABE HIDEAKI
IPC: G09F9/00
Filed: 2013-01-28
Abstract: PROBLEM TO BE SOLVED: To provide an image forming apparatus capable of maintaining, when a flexible print circuit board is used having a connection terminal connected to an image display panel side divided into plurality, and mounted with a film itself being folded and bent, electrical connection between the image display panel and the flexible print circuit board in an appropriate manner.SOLUTION: In order to suppress a change in positional relationship between connection terminals 5 when a film of a flexible print circuit board (FPC) is folded and bent, a joining part 14 is formed to join protrusions 1 together at a portion where the folded and bent film is not overlapped with the flexible print circuit board. (a) shows the flexible print circuit board before the film is folded and bent, and (b) shows that in a state where the film is folded and bent.
Patent JP-2014146943-A (JP)
Title: Power saving send-receive method of subscriber-side apparatus
Inventor: YAMADA TAKASHI
IPC: H04L12/44
Filed: 2013-01-29
Abstract: PROBLEM TO BE SOLVED: To prevent startup of a deep sleep during communication or the moment at which communication is desirous of being made.SOLUTION: The power saving send-receive method includes: an optical module 18 that can exchange an optical signal with a station-side device connected with PON; a switch 12 that supplies electric power supplied from the outside to the optical module 18; and a deep sleep control circuit 11 that stops power supply from the switch 12 to the optical module 18 with a transition signal input from the outside as a trigger and causes power supply to be performed from the switch 12 to the optical module 18 with a return signal input from the outside as a trigger.
Patent JP-2014144470-A (JP)
Title: Press machine and slide control method of press machine
Inventor: KONO YASUYUKI
IPC: B30B1/32
Filed: 2013-01-29
Abstract: PROBLEM TO BE SOLVED: To provide a press machine capable of improving press moldability, by adding large pressurization force to a metal mold, and imparting smooth vibration only in the direct advance direction.SOLUTION: A slide is constituted of a main slide 24 and a sub-slide 26, and a cylinder-piston mechanism is constituted, and the pressurization force is transmitted to the sub-slide 26 (an upper die 31a) via hydraulic pressure pressurized by interlocking with driving of the main slide 24 in press molding, and the sub-slide 26 is also vibrated by periodically changing the hydraulic pressure. Excellent press molding is executed even under a condition of comparatively difficult press molding by controlling vibration so that a frequency of the vibration of the sub-slide 26 (the upper die 31a) becomes 9 Hz-33.3 Hz and a vibration width becomes 0.05 mm-0.5 mm.
Patent JP-2013100136-A (JP)
Title: Band winding method
Inventor: NAKATA YUKI
IPC: B65D73/02
Filed: 2013-01-30
Abstract: PROBLEM TO BE SOLVED: To provide a band winding method capable of preventing a band from being inclined to generate a difference in winding length and preventing it from being easily curved in a certain direction due to a strain generated in the winding of the band.SOLUTION: The band winding method performs the winding by traversing a carrier tape 10 on a peripheral surface 2 of a winding core 1. The peripheral surface 2 is inclined in an outer radial direction as it goes from one end of the winding core 1 toward the other end direction. An inclination θ of the peripheral surface 2 is based on 0<θ≤2 arctan (thickness of the carrier tape/traversing pitch). When the carrier tape 10 is wound around the winding core 1, a winding step of overlapping a side part of the carrier tape 10 on a side part of the wound carrier tape 10 to perform overlapping winding and a step of performing the winding without overlapping the side part of the carrier tape 10 on the side part of the wound carrier tape 10 are alternately repeated.
Patent JP-2014146774-A (JP)
Title: Semiconductor device and method of manufacturing the same
Inventor: YANAGAWA KATSUHIKO
IPC: H01L23/28
Filed: 2013-01-30
Abstract: PROBLEM TO BE SOLVED: To provide a semiconductor device which is highly reliable and can be inexpensively provided, and a method of manufacturing the semiconductor device.SOLUTION: An SiC semiconductor device 10 comprises an insulating substrate 1, a semiconductor chip 6, a printed circuit board 9, and external electrode terminals 11 and 12. The rear surface of the semiconductor chip 6 is bonded to a first copper block 3 on the front surface side of the insulating substrate 1. A front surface electrode of the semiconductor chip 6 is bonded to an implant pin 8 of the printed circuit board 9 disposed on the front surface side of the semiconductor chip 6. A first sealing body 21 is filled between the insulating substrate 1 and the printed circuit board 9, and the semiconductor chip 6 and the implant pin 8 are sealed with the first sealing body 21. The whole front surface side of the insulating substrate 1 is sealed with a second sealing body 22. The second sealing body 22 covers the first sealing body 21, the insulating substrate 1, and the printed circuit board 9. The outer periphery of the second sealing body 22 is covered with a third sealing body 23 for preventing the second sealing body 22 from being oxidized.
Patent JP-2014149926-A (JP)
Title: Touch sensor device
Inventor: OKADA MITSUHIRO
IPC: H01H13/18
Filed: 2013-01-31
Abstract: PROBLEM TO BE SOLVED: To provide a touch sensor device capable of improving external-force detection performance.SOLUTION: A touch sensor device 19 comprises: an elastically-deformable cover 24 having a holding hole 33; a support member 25 which is provided in the holding hole 33 and elastically deforms due to the external force transferred via the cover 24; and a plurality of electrodes 34 and 35 which are supported by the support member 25 in a state in which they are separated from each other and come into contact with each other as the support member 25 deforms. This touch sensor device further includes a core metal 29 fixed to and reinforcing the cover 24 and a first flat plate part 29a formed in the core metal 29, exposed to the holding hole 33, and in contact with the support member 25.
Patent JP-2014154308-A (JP)
Title: Lighting device
Inventor: MAEDA HIKARU
IPC: F21V17/00
Filed: 2013-02-07
Abstract: PROBLEM TO BE SOLVED: To provide a light device which achieves relatively low costs and effectively prevents foreign objects from intruding from the exterior into a cover even when used in an outdoor environment.SOLUTION: An embedded type lighting device 1 comprises: a light emitting module 50; a device body 4 including a storage space 42 for storing the light emitting module 50; and a translucent cover 53 which is attached so as to cover the storage space 42 from the exterior in a state where the light emitting module 50 is stored in the storage space 42. The cover 53 includes a flange part 532 which makes a surface contact with an entire opening periphery in the storage space 42. The cover 53 is attached to the storage space 42, thereby sealing a space between the cover 53 and the storage space 42.
Patent JP-2014151287-A (JP)
Title: Pulse jet type dust collector
Inventor: SAITO ISAO
IPC: B01D46/10
Filed: 2013-02-12
Abstract: PROBLEM TO BE SOLVED: To provide a pulse jet type dust collector which automatically and frequently cleans a filter disposed in the control panel of the pulse jet type dust collector.SOLUTION: A pulse jet type dust collector brushes off accumulated dust with a pulse jet by causing a pulse jet to act on a filter bag 1 from a manifold 4 communicating with a header pipe 2 through an air valve 3. This pulse jet type dust collector includes an air valve 3, a solenoid valve 7 connected to the air valve 3, and a control panel 10. The air valve 3 is opened and closed with the solenoid valve 7. The control panel 10 includes: an exhaust heat fan 13, an ambient air introduction port 14, and a filter 15 for removing dust in the ambient air having flown from the ambient air introduction port 14. The solenoid valve 7 is attached to the side of the filter 15 in the control panel 10. When the air valve 3 is opened, compressed air is discharged out of the solenoid valve 7. The compressed air is sprayed onto the filter 15.
Patent JP-2014028391-A (JP)
Title: Solder alloy, solder paste, and electronic circuit substrate
Inventor: IMAMURA YOJI
IPC: B23K35/26
Filed: 2013-02-18
Abstract: PROBLEM TO BE SOLVED: To provide a solder alloy and a solder paste containing the solder alloy which have a reduced silver content, reduce costs, secure excellent wettability, and suppress generation of voids (air gaps), and to provide an electronic circuit substrate obtained by using the solder paste.SOLUTION: A tin-silver-copper-based solder alloy contains tin, silver, antimony, bismuth, copper and nickel, wherein germanium is not substantially contained. Based on the total amount of the solder alloy, a silver content ratio is more than 1.0 mass% and less than 1.2 mass%, an antimony content ratio is 0.01 mass%-10 mass%, and a bismuth content ratio is 0.01 mass%-3.0 mass%.