baber/WOPTO huggingface dataset:
Patent JP-2004205674-A (JP)
Title: Resist remover
Inventor: HARA YASUSHI
IPC: H01L21/027
Filed: 2002-12-24
Abstract: <P>PROBLEM TO BE SOLVED: To provide a resist remover which shows excellent resist removability and does not corrode a copper-silver alloy.  <P>SOLUTION: The resist remover to be used to remove a resist used for the wiring process of a copper-silver alloy contains piperazines. The following piperazines are preferably used: piperazine expressed by general formula (1) wherein each of R<SB>1</SB>and R<SB>2</SB>independently represents a hydrogen atom, an alkyl group, an aminoalkyl group or a hydroxyalkyl group; N-methylpiperazine; N-aminoethyl piperazine; N, N'-bis(3-aminopropyl piperazine); trimethylaminoethyl piperazine; 1-(2-hydroxyethyl)piperazine; N-methyl-N'-hydroxyethyl piperazine; or the like.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004202801-A (JP)
Title: Thermosensitive recording medium
Inventor: IKEGAMI KENJI
IPC: B41M5/327
Filed: 2002-12-25
Abstract: <P>PROBLEM TO BE SOLVED: To provide a thermosensitive recording medium which has outstanding shelf stability over time and water-resistant shelf stability of a recording part, the color tone of which is black and suitability for optical character reading(OCR) in the wavelength range of 650 to 900 nm.  <P>SOLUTION: This thermosensitive recording medium has a thermosensitive recording layer containing a leuco dye and a developer formed on a support. The thermosensitive recording layer contains (A) the leuco dye composed of a 3,6-bis(dimethylamino)fluorene-9-spiro-3'-(6'-dimethylamino)phthalide and (B) the leuco dye composed of a black developing fluorane compound in the (A) to (B) ratio of 1: 2 to 5 pts.wt. and also contains a hydroxy diphenyl sulfone compound as a developer.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2003233647-A (JP)
Title: Building system
Inventor: TAKAHASHI TSUNEO
IPC: G06Q50/08
Filed: 2002-12-25
Abstract: <P>PROBLEM TO BE SOLVED: To provide a building system capable of selecting an architect and a builder in view of building cost.  <P>SOLUTION: The building system includes a building cost information DB 25 for storing the price information of components required for constructing a building. In this system, building request information transmitted through a communication network from a terminal of a requesting person is received, and transmitted to a plurality of architects' terminals. Since a building plan is transmitted through the communication network from the plurality of architects' terminals, this is received. According to this building plan, the building cost information DB 25 is retrieved to perform estimation of the building cost, and output as system estimate information. Further the system estimate information is transmitted through the communication network to the terminal of the requesting person.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2004204938-A (JP)
Title: Casing unit securing conduction and its manufacturing method
Inventor: KITAMI AKIO
IPC: H05K5/02
Filed: 2002-12-25
Abstract: <P>PROBLEM TO BE SOLVED: To secure the conduction of an inverter case and a converter case.  <P>SOLUTION: This unit 1000 loaded on a vehicle is composed of the inverter case 100 composed of a conductor and having a bolt hole, the converter case 110 composed of a conductor and having a bolt hole, a non-conductive sealing material 150 applied onto a joint face of the inverter case 100, a bolt 120 for fastening the inverter case 100 and the converter case 100, and a cooling water channel. The joint face of the inverter case 100 has a groove 130 between an area coated with the sealing material 150 and the bolt hole.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004203777-A (JP)
Title: Ageing-preventing and improving cosmetic
Inventor: KOJIMA HATSUO
IPC: A61K8/99
Filed: 2002-12-25
Abstract: <P>PROBLEM TO BE SOLVED: To obtain a collagen production-promoting agent which contains a Fuscoporia oblique extract, a Kluyveromyces yeast extract, and Coleus scutellarioides Benth. as essential ingredients, and to provide a skin ageing-preventing or improving cosmetic which contains the collagen production-promoting agent.  <P>SOLUTION: This ageing-preventing or improving cosmetic having excellent safety and exhibiting an excellent wrinkle and flabbiness-preventing and improving effects for skin is characterized by containing the Fuscoporia oblique extract, the Kluyveromyces yeast extract, and the Coleus scutellarioides Benth. as essential ingredients.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004202848-A (JP)
Title: Mold device and method for producing mold device
Inventor: SUZUKI MAKOTO
IPC: B29C45/26
Filed: 2002-12-25
Abstract: <P>PROBLEM TO BE SOLVED: To provide a mold device which can obtain a high precision injection-molded article.  <P>SOLUTION: Mold pieces 1a and 1b are fitted into a template 2 to form a cavity 3 to be filled with a molten resin. A triangular column-like molded article in which the wall thickness is reduced in the vicinities of the apexes of the cross-sectional triangle and increased in the vicinities of the middle parts of the sides of the triangle is formed by the cavity 3. The mold piece 1a has lots of holes 4 in the inside. In the transfer surface 5 of the mold piece 1a, porosity is high in the vicinities of the apexes of the cross-sectional triangle (the vicinities of both ends in the transfer surface 5) in the molded article formed by the cavity 3 and low in the vicinities of the middle parts of the sides of the triangle (the vicinity of the middle in the transfer surface 5).  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004161975-A (JP)
Title: Injection molded product
Inventor: MIZUNO YOSHIHISA
IPC: G11B7/2534
Filed: 2002-12-25
Abstract: <P>PROBLEM TO BE SOLVED: To provide an injection molded product which can be widely used for application to optical parts since which is obtained from a resin material for molding containing a specified cyclic olefinic copolymer, which does not cause thermal degradation on the resin material for molding even when molded and processed by an injection molding method, which has excellent optical characteristics, adhesion, durability, etc., that the cyclic olefinic copolymer has originally, and also which has excellent formability and secondary processability, and also which has excellent permeability to short wavelength rays and excellent light resistance.  <P>SOLUTION: The injection molded product comprises a material containing the cyclic olefinic copolymer having (A) a specified cyclic olefinic structural unit and (B) a specified acrylic structural unit and also in which specified cyclic olefinic structural unit themselves are not adjacent to each other.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004205923-A (JP)
Title: Lens cap and photographing device
Inventor: HANZAWA MASANORI
IPC: G02B7/02
Filed: 2002-12-26
Abstract: <P>PROBLEM TO BE SOLVED: To provide a lens cap which is superior in operability and easy to use and a photographing device with such a lens cap.  <P>SOLUTION: The lens cap 28 is equipped with a base part 30 which is detachably fitted to the tip part of a lens barrel of the photographing device and a lid plate 32 which is connected to the base part 30 to swing between a closure position where the photographic lens of the photographing device is closed and an opening part where the photographic lens is opened. The base part 30 has a frame part 3002 which is fitted to the tip part of the lens barrel 24, a base-side hinge part 3004, a projection piece part 3006, a 1st engagement part 3008, and three engagement pieces. A lid plate 32 has a lid plate main body 3202, a lid plate side hinge part 3204, a finger rest part 3206, and a 2nd engagement part 3208. The lid plate 32 is coupled with the base part 30 in a swingable state through the lid plate hinge part 3204, base-side hinge part 3004, and a support shaft 3001.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004212081-A (JP)
Title: Transfer arm mechanism, traveling probe card carrying apparatus using the same, and probe apparatus
Inventor: AMAMIYA HIROSHI
IPC: G01R31/26
Filed: 2002-12-27
Abstract: <P>PROBLEM TO BE SOLVED: To solve the problems that a footprint is large and is expensive since a carrying apparatus of a stocker and a probe card is provided in a probe apparatus in the conventional technology.  <P>SOLUTION: The probe card carrying apparatus 10 is provided with a truck 11 that can travel on a floor surface G freely; and a transfer arm mechanism 12 that is arranged on the truck 11 so that it can be separated and can come into contact with, and carries the probe card C between the truck 11 and a probe apparatus 100. The transfer arm mechanism 12 has a substrate 13, and an arm mechanism 14 that advances and retreats on the substrate 13, and provides an alignment mechanism 40 with the probe apparatus 100 on the substrate 13 and a fixing mechanism 50 with the probe apparatus 100.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004213734-A (JP)
Title: Objective lens driving device
Inventor: NAKAMURA KEIJI
IPC: G11B7/09
Filed: 2002-12-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide an objective lens driving device low in price, small in the number of component items, excellemt in assembly workability and good in vibration characteristics.  <P>SOLUTION: The objective lens driving device is provided with a lens holder 1 for holding an objective lens 2, and a fixed base 9 having a spindle 3 for supporting the lens holder 1. A focusing coil 4 and tracking coils 5a, 5b are attached to the lens holder 1. The fixed base 9 has external and internal yokes 11, 12 extended to both sides of the lens holder 1. On the fixed base 9, a magnet 10 magnetized in a direction roughly parallel to an optical axis is attached below the lens holder 1. Inside the lens holder 1, the internal yokes 11, 12 fixed to the upper part of the magnet 10 are inserted, and form a closed magnetic path together with external yokes 91, 92.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004208903-A (JP)
Title: Laser apparatus of medical machine
Inventor: MOMIUCHI MASAYUKI
IPC: G02B27/09
Filed: 2002-12-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide an laser apparatus with which two or more laser beams can be superimposed at least without problems to use and a light intensity distribution plaque is not developed at the irradiation point.  <P>SOLUTION: The apparatus includes at least two or more laser beam sources 4, 5, and 6, a multiplexer means 11 to superimpose the laser beams emitted from the laser beam sources and a beam mixing means 23 in which the laser beam 16 from the multiplexing means is injected.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004502512-A (JP)
Title: 導電性領域を有する粉体堆積用サブストレート
IPC: A61M15/00
Filed: 2001-07-11
Abstract: 例えば、導電性インレーフィルムが提供され、該フィルムは、粒子が静電堆積によって堆積される選択領域を形成するために好適な孔（２３）のパターンを有する誘電フィルム（２１）の層と、（ａ）誘電フィルム（２１）に積層された導電性フィルム（２２）、又は（ｂ）孔（２３）の内部に埋め込まれた導電性フィルムを備え、１部分が孔内部に現れて導電性インレーを構成するポリマーを含む導電性要素（２２）と、を含み、導電性要素（２２）が、１つまたはそれ以上の電極パッドに接触して選択領域に電位を与えるように適合され、誘電フィルム（２１）が、選択領域を電気的に絶縁する。 【選択図】図１Ｂ
Patent JP-2004503259-A (JP)
Title: スティックに支持されるソーセージのループの数を決定する方法及び装置
IPC: A22C11/00
Filed: 2001-07-05
Abstract: 【解決手段】スティックに充填されるソーセージのループの数を設定する方法は、細長いソーセージストランドを形成し、ソーセージストランドを複数のソーセージに分割し、ループを所望の数に設定し、ソーセージを所定のループとし、コンベヤの隣接する複数のフックにループを吊り下げ、フックに吊り下げられたソーセージのループが所定数に達すると、ソーセージの供給を中断し、所定数のソーセージのループ形状に対して、見かけが変化した形状を有するマーカループをコンベヤに設け、同様のソーセージ群を形成するために、上述のステップを繰り返すことを含む。 【選択図】図８Ａ
Patent JP-2004516043-A (JP)
Title: 非導電性ストップ部材を備えたバイポーラ電気外科鉗子
IPC: A61B18/14
Filed: 2001-04-06
Abstract: 少なくとも１つの細長シャフトを有し、該シャフトの遠位端には対向ジョー部材が設けられ、該ジョー部材は、両ジョー部材が互いに間隔を隔てた関係に配置される第一位置から、両ジョー部材が協働してこれらの間で組織を掴む第二位置まで相対移動できるように構成された、組織をクランプしかつシールするバイポーラ鉗子。また、本発明の鉗子は電気エネルギ源に接続され、該電気エネルギ源は、両ジョー部材がこれらの間に保持された組織にエネルギを通すことができるように各ジョー部材に接続されている。両ジョー部材間に組織が保持されたときに両ジョー部材間の距離を制御するための少なくとも２つの非導電性ストップ部材が、少なくとも一方のジョー部材の内向き面に設けられかつ互いに間隔を隔てて配置されている。
Patent JP-2004510712-A (JP)
Title: オクタヒドロ−インドリジンおよびキノリジンおよびヘキサヒドロ−ピロリジン
IPC: A61P1/08
Filed: 2001-09-21
Abstract: 本発明は置換された縮合２環式化合物、それらを含有する医薬組成物、並びにヒスタミン−媒介の疾患および状態を処置または予防するためのそれらの使用法を特徴とする。
Patent JP-2004535037-A (JP)
Title: グロー放電プラズマを用いた表面処理方法及び装置
IPC: H05H1/24
Filed: 2001-09-17
Abstract: ２つの電極１０，１０’間の実質的に大気圧のガスに保持されるグロー放電プラズマを用いて、表面を処理する方法であって、プラズマの縁部領域１４’、即ち、前記電極表面１１，１１’によって定められるプラズマ空間１４の一方側で、前記電極面１１，１１’の２つの整列縁部１３，１３’を越えて、当該整列縁部１３，１３’から数ミリメートルの距離に前記処理表面１７の位置を定めるとともに、これら整列縁部１３，１３’の方を向けることによって、そのようなプラズマ中で発生する好ましくないプラズマ紅炎の影響が防止される。処理ガスまたは処理混合ガスは、プラズマ空間１４に前記処理表面１７の位置が定められる縁部領域１４’の反対側から供給される。基材１６のひとつの被処理表面１７が処理されている間は、静止、または前記電極表面１１，１１’に実質的に垂直な方向、例えば、対応して配置された回転ドラムの円周表面上を進められる。 【選択図】図１
Patent JP-2004510021-A (JP)
Title: 繊維フィラ成形製品
IPC: B29K105/12
Filed: 2001-10-01
Abstract: 射出成形過程のようなポリマ成形過程は、粘度減少超臨界流体添加剤を使用することを含み、その結果、金型内に導入されたとき、強化繊維の破断が減少する。
Patent JP-2004514586-A (JP)
Title: 自動車のペダルのための固定装置
IPC: F16C11/02
Filed: 2001-11-22
Abstract: 保持ピン（８）を備えた自動車のペダルのための固定装置であって、前記保持ピンが、その自由端部をそれぞれペダルベース（２）の支承箇所（５，５Ａ）に収容されており且つこれらの支承箇所（５，５Ａ）間にペダルのための支承箇所を有しており、しかもこの支承箇所がペダル体（１）の孔（７）内に配置されている。ペダルの廉価な製作及びより簡単な組込みのために、本発明では保持ピン（８）が２本のハーフピン（９，１０）から構成されており、これらのハーフピンが組み立てられた状態で弾性的なスナップホルダ（１１）によって互いに係止されており、しかも、当該ハーフピン（９，１０）がペダルに対する位置に関して少なくとも１つのストッパ（１３）によって規定されている。本発明の構成により、特にペダルリリースシステムも廉価に実現され得る。
Patent JP-2004517155-A (JP)
Title: イソオキサゾリンカルボキシレートを用いた作物の薬害軽減法
IPC: A01M21/04
Filed: 2002-01-31
Abstract: 式（Ｉ） 【化１】     （式中、Ｒ １ は、非置換か又は置換されたフェニルであり、Ｒ ２ は、（Ｃ １ −Ｃ ６ ）アルキル、（Ｃ ３ −Ｃ ６ ）シクロアルキル又はフェニルであり、最後に記載された３個の基は、非置換であるか又は置換されており、Ｒ ３ は、水素又は非置換であるかもしくは置換された１〜１８個の炭素原子を有する炭化水素基である）の化合物又はその塩の有効量を播種前に作物の種子に施用することからなる作物を農薬の薬害副作用から保護する方法。式（Ｉ）の薬害軽減剤は、好ましくはイソキサジフェン又はイソキサジフェン−エチルである。種子処理された作物は、農薬、特に発生前又は発生後に栽培領域に施用される除草剤の施用に対して薬害が軽減される。
Patent JP-2005505242-A (JP)
Title: 癌用抗新生血管系調製物
IPC: A61P35/00
Filed: 2002-03-07
Abstract: 免疫学的組成物、免疫学的組成物の設計方法、免疫学的組成物を用いた治療方法、免疫学的組成物に起因する細胞性免疫の評価方法、研究モデル、および研究モデルを作製する方法（これらはすべて、腫瘍血管系のターゲッティングに関する）を本明細書中に開示する。
Patent JP-2004526196-A (JP)
IPC: G06F17/30
Filed: 2002-02-28
Abstract: An interaction system for enabling a user of information systems to interact with the information systems and a method of transmitting user queries from a speech, image or handwriting recognition system to the information systems. The interaction system is connectable to at least one recognition system and at least one information system and comprises at least one domain module for containing phrase setups constructed based on object classes, attribute classes and action classes that are common to all information systems of a given application domain and are provided to be tailored to a specific information system of the application domain by applying object, action and attribute types proper to the information system and specific object, action and attribute instantiations, obtained from the specific information system, in order to define a grammar essentially consisting in a set of term elements comprising specific object, attribute and action instantiations of those object, action and attribute types and a set of rules governing the use of these term elements in a set of valid user query phrases for interaction between the user and the specific information system through the recognition and interaction systems. The interaction system can also comprise at least one generic module, connectable to a recognition system, and/or at least one adapter module, connectable to an information system. The transmission method comprises the steps of defining the grammar and converting user queries into valid user query phrases according to the grammar and/or sets of term elements and rules of the grammar.
Patent JP-2004523353-A (JP)
Title: メルカプト置換シランを用いるアルミニウムの腐食防止
IPC: C23C22/56
Filed: 2002-02-21
Abstract: 金属表面、特にアルミニウムまたはアルミニウム合金の表面腐食が、金属表面をメルカプト置換シランを含んでなる溶液と接触させ、次いで好ましくはこの金属を焼成してシランコ−ティングを硬化させることによって防止される。本方法の実施においては、多官能性有機メルカプト置換シランが好適である。好ましくは、本処理溶液はメルカプト置換シラン及び選択された溶媒の水性混合物である。
Patent JP-2003205630-A (JP)
Title: Inkjet printer and method of inkjet printing
Inventor: LEIBMAN BERNARD
IPC: B41J2/175
Filed: 2003-01-06
Abstract: <P>PROBLEM TO BE SOLVED: To provide an inkjet printer having a means in a type of a water barrier for suppressing evaporation of water from ink.  <P>SOLUTION: This inkjet printer using a water based ink comprises an ink reservoir for containing the ink and the water barrier 11 provided between the ink and an ambient air 12 in the reservoir. The water barrier 11 is constituted of water beads 15 each of which is wrapped by a microcapsule so as to enable continuous discharge of water to the open air through a ventilation hole 14.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2004217957-A (JP)
Title: Maskant tool
Inventor: KUWABARA KAZUO
IPC: C25D5/02
Filed: 2003-01-10
Abstract: <P>PROBLEM TO BE SOLVED: To provide a maskant tool with which the inner diameter part in a member having no intention to be subjected to surface treatment can simply be masked at a low cost.  <P>SOLUTION: In the case of masking the inner diameter part 3a formed as a protruding boss 3 in a coupling member 2, an upper mold 5 of packing is seated on the upper end surface 3b of the protruding boss 3 and also, an upper mold 4 of a fastening tool is loosely inserted into the inner diameter part 3a of the protruding boss 3 and seated on the upper surface 3b as the piling state on the upper mold 5 of the packing. On the other hand, to the lower end surface 3c<SB>1</SB>of a flange 3c formed at the lower end of the protruding boss 3, a lower mold 7 of the fastening tool is abutted on the lower end surface 3c<SB>1</SB>through a lower mold 6 of the packing by screwing a male screw part 7b of the lower mold 7 into a screw hole 4a<SB>1</SB>of the upper mold 4 under piling state of the lower mold 6 of the packing onto the lower mold 7 of the fastening tool, and the interval between the upper mold 4 of the fastening tool and the lower mold 7 of the fastening tool is push-stuck.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004220701-A (JP)
Title: Magnetic head suspension and its manufacturing method
Inventor: MIZUTANI MUNEKIMI
IPC: G11B5/60
Filed: 2003-01-15
Abstract: <P>PROBLEM TO BE SOLVED: To stick a spring component and a laminated product with high positioning accuracy without increasing cost and labor.  <P>SOLUTION: One of a laminated product 4 and a spring component 6 is positioned to the other with protrusions and hole parts, and a magnetic head suspension 5 is manufacture by sticking them. By such a constitution, it is possible to stick the laminated product 4 and the spring component 6 with high positioning accuracy without using an expensive device, and cost and labor required for manufacturing the magnetic head suspension 5 is reduced.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004220472-A (JP)
Title: Data recovery method and device of external storage device
Inventor: TSUBOKI MASANAO
IPC: G06F12/00
Filed: 2003-01-17
Abstract: <P>PROBLEM TO BE SOLVED: To recover data on an external storage device by means of a storage sub-system alone without any intervention by a host processor.  <P>SOLUTION: When writing data which a writing controlling part 10 has received from a host processor 4 are written in a storage device 1 or when data which a data synchronous processing part 12 has written in the storage device 1 are copied in a storage device 2, a recovery data preparation processing part 11 of a storage controller 5 writes, in a storage device 3, a pair of writing data 14 and writing information 15 indicating its writing position in order to save the data. When the storage device 1 is unavailable due to failures or the like, a data recovery control processing part 13 recovers the data on the storage device 2 using the data saved in the storage device 3.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004218390-A (JP)
Title: Maintenance method for skiing slope of skiing ground
Inventor: SATONAKA SHUNEI
IPC: F25C3/04
Filed: 2003-01-17
Abstract: <P>PROBLEM TO BE SOLVED: To provide a slope maintenance method of a good economical efficiency for a skiing ground, which minimizes melting snow to the least by an artificial snowfall machine while a sufficient amount of snow is secured at an opening time.  <P>SOLUTION: The slope maintenance method for the skiing ground is provided with the first process of spraying artificial snow of a mountain shape on the skiing slope 2 by using the artificial snowfall machine 1 and heaping up a plurality of the artificial snow mountains 3 on the skiing slope before the time of opening the skiing ground, the second process of compacting the snow mountains by applying pressure to make hard compacted lumps 5 and keeping them on standby just before the opening of the skiing ground and furthermore the third process of loosening the compacted snow lumps 5 right before the opening of the skiing ground and spreading the snow over the whole slope as well as compacting it almost evenly so that the skiing slope is prepared and ready for skiing.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004098647-A (JP)
Title: Processing and manufacturing method for colored article
Inventor: LEE PAO FENG
IPC: A23G1/54
Filed: 2003-01-20
Abstract: <P>PROBLEM TO BE SOLVED: To provide a processing and manufacturing method for a colored article preventing a colored portion from being discolored or peeled easily.  <P>SOLUTION: The processing and manufacturing method for a colored article comprises a step 1 for heating and melting a principal body and each coloring body, a step 2 for filling the principal body into a principal syringe and each coloring body into each coloring syringe, a step 3 for injecting the coloring body in a fluid state into a groove hole formed in a mold using the coloring syringe, a step 4 for injecting the principal body in a fluid state into the mold using the principal syringe after the coloring body injected into the groove hole is cooled and cured, and a step 5 for releasing a completed colored article in which the principal body is cooled, solidified and connected to each coloring body.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004223795-A (JP)
Title: Sealant film, laminated film and packaging bag
Inventor: ISHII MITSUNORI
IPC: B65D65/40
Filed: 2003-01-21
Abstract: <P>PROBLEM TO BE SOLVED: To provide a packaging material and a packaging bag capable of preventing the contamination or the like of an electronic component and having antistatic properties.  <P>SOLUTION: This sealant film comprises a polyolefin resin and is obtained by successively laminating at least the outermost layer, an intermediate layer and a heat sealing layer. The density (ρ<SB>a</SB>) of the polyolefin resin for forming the outermost layer, and the density (ρ<SB>b</SB>) of the polyolefin resin for forming the intermediate layer and the density (ρ<SB>c</SB>) of the polyolefin resin for forming the heat sealing layer satisfy formula (1) : (ρ<SB>a</SB>) ≥ (ρ<SB>b</SB>) ≥ (ρ<SB>c</SB>), formula (2) : (ρ<SB>a</SB>) > (ρ<SB>c</SB>) and formula (3) : (ρ<SB>a</SB>) ≥ 0.930. The surface resistivity of the surface of the heat-sealing layer when a base material film is laminated on the surface of the outermost layer of the sealant film using a polyether urethane adhesive is 1 × 10<SP>8</SP>MΩ or below and the lamination strength between the sealant film and the base material film is set to 6N/15 mm or above.  <P>COPYRIGHT: (C)2004,JPO&NCIPI