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31. 发明专利

DE69710104D1 未知
公开(公告)号：DE69710104D1
公开(公告)日：2002-03-14
申请号：DE69710104
申请日：1997-02-19
申请人： KUREHA CHEMICAL IND CO LTD
发明人： KASHIO HIDETORA , HORIE KATSUO , NAGAI AISAKU , AITA TOMOYUKI , KITAGOH HIROSHI
IPC分类号： C08L27/16 , C08F14/22 , C08L27/12 , C08L27/14 , H01G9/00 , H01G11/22 , H01G11/24 , H01G11/26 , H01G11/38 , H01G11/42 , H01G11/86 , H01M4/13 , H01M4/139 , H01M4/62 , H01M10/0566 , C08F214/22
摘要： A binder solution for providing an electrode suitable for use in non-aqueous-type electrochemical devices, such as a battery and an electric double layer capacitor, is formed by dissolving a vinylidene fluoride polymer having an inherent viscosity (and thus a polymerization degree) higher than a conventional level in an organic solvent. An electrode-forming composition is formed by dispersing powdery electrode material in the binder solution and is applied onto an electroconductive substrate while avoiding the gelation of the polymer, followed by drying, to form a composite electrode layer, which retains the powdery electrode material at a smaller amount of vinylidene fluoride polymer than a conventional level and is well resistant to a non-aqueous electrolytic solution.

32. 发明专利

CA2198074C VINYLIDENE FLUORIDE POLYMER-BASED BINDER SOLUTION AND ELECTRODE-FORMING COMPOSITION 未知
公开(公告)号：CA2198074C
公开(公告)日：2001-04-10
申请号：CA2198074
申请日：1997-02-20
申请人： KUREHA CHEMICAL IND CO LTD
发明人： KASHIO HIDETORA , HORIE KATSUO , NAGAI AISAKU , AITA TOMOYUKI , KITAGOH HIROSHI
IPC分类号： C08L27/16 , C08F14/22 , C08L27/12 , C08L27/14 , H01G9/00 , H01G11/22 , H01G11/24 , H01G11/26 , H01G11/38 , H01G11/42 , H01G11/86 , H01M4/13 , H01M4/139 , H01M4/62 , H01M10/0566 , H01M10/26
摘要： A binder solution for providing an electrode suitable for use in non-aqueous-type electrochemical devices, such as a battery and an electric double layer capacitor, is formed by dissolving a vinylidene fluoride polymer having an inherent viscosity (and thus a polymerization degree) higher than a conventional level in an organic solvent. An electrode-forming composition is formed by dispersing powdery electrode material in the binder solution and is applied onto an electroconductive substrate while avoiding the gelation of the polymer, followed by drying, to form a composite electrode layer, which retains the powdery electrode material at a smaller amount of vinylidene fluoride polymer than a conventional level and is well resistant to a non-aqueous electrolytic solution.

33. 发明专利

CA2316299A1 POLYMER ELECTROLYTE AND NONAQUEOUS BATTERY CONTAINING THE SAME 未知
公开(公告)号：CA2316299A1
公开(公告)日：1999-07-08
申请号：CA2316299
申请日：1998-12-24
申请人： KUREHA CHEMICAL IND CO LTD
发明人： NAGAI AISAKU , HORIE KATSUO , ICHIKAWA YUKIO , KATSURAO TAKUMI
IPC分类号： H01B1/12 , H01M10/0525 , H01M10/0565 , H01M10/36 , C08L27/16 , H01M10/40
摘要： A nonaqueous battery, such as a lithium ion battery, is formed from a polymer electrolyte comprising: a vinylidene fluoride copolymer comprises 80 to 97 wt. % of vinylidene fluoride monomer units and 3 to 20 wt. % of units of at least one monomer copolymerizable with the vinylidene fluoride monomer and has an inherent viscosity of 1.5 to 10 dl/g. The polymer electrolyte stably retains the nonaqueous electrolytic solution in a large amount and has excellent strength in this state.

34. 发明专利

DE69123908T2 未知
公开(公告)号：DE69123908T2
公开(公告)日：1997-05-07
申请号：DE69123908
申请日：1991-09-05
申请人： KUREHA CHEMICAL IND CO LTD
发明人： MURATA NORIKAZU , NAGAI AISAKU
IPC分类号： G01J1/02 , H01G2/00 , H01G4/255 , H01L37/02

35. 发明专利

JPH10298298A METHOD FOR DISSOLVING POLYVINYLIDENE FLUORIDE RESIN 失效
公开(公告)号：JPH10298298A
公开(公告)日：1998-11-10
申请号：JP11861397
申请日：1997-04-23
申请人： KUREHA CHEMICAL IND CO LTD
发明人： KUZUO TAKUMI , HORIE KATSUO , NAGAI AISAKU
IPC分类号： C08J3/09 , B01F1/00 , C08F214/22 , C08J3/21 , C08K3/04 , C08L27/12 , C08L27/16 , H01M4/139 , H01M4/62 , H01M4/02
摘要： PROBLEM TO BE SOLVED: To dissolve a polyfluorovinylidene resin in an org. solvent homogeneously in a short time to thereby efficiently obtain a binder soln. for nonaq. batteries by dispersing a polyvinylidene fluoride resin powder in a poor solvent and then stirring the resultant dispersion in a good solvent. SOLUTION: A polyvinylidene fluoride resin powder is dissolved in an org. solvent by dispersing the powder in a poor solvent and then stirring the resultant dispersion in a good solvent. The resin is a homo- or copolymer of vinylidene fluoride and pref. has an intrinsic viscosity of 0.85-20 dl/g. A pref. poor solvent has a b.p. of about 130 deg.C or lower, examples being tetrahydrofuran, acetone, and dimethyl carbonate. A nitrogen-contg. polar solvent (e.g. N-methyl-2- pyrrolidone or dimethylformamide) is suitable as the good solvent.

36. 发明专利

JPH07174624A DUAL PYROELECTRIC SENSOR 失效
公开(公告)号：JPH07174624A
公开(公告)日：1995-07-14
申请号：JP34275693
申请日：1993-12-16
申请人： KUREHA CHEMICAL IND CO LTD
发明人： NAGAI AISAKU
IPC分类号： G01J1/02 , G01J5/02 , G01J5/34
摘要： PURPOSE:To equally maintain the effective light receiving areas of paired elements even when the positions of electrode patterns are deviated from each other by forming the electrode main body on one surface of a pyroelectric body larger than that on another surface in one unit pyroelectric element of the paired elements and forming the electrode main body on one surface of a pyroelectric body smaller than that on the another surface in another unit pyroelectric element. CONSTITUTION:The dual pyroelectric sensor 10 is provided with a pair of electrodes 2 and 3 on the surface of a sheet-like pyroelectric body 1 and another pair of electrodes 4 and 5 on the rear surface of the body 1 and the main bodies 2 and 5 of the electrodes 2 and 5 respectively have protruding sections 2'a and 5'a around their overlapping sections upon the main bodies 4a and 3a of the electrodes 4 and 3 facing each other on both sides of the body l and are formed smaller than the main bodies 4a and 3a. In addition, the leading out sections 3b and 4b of the electrodes 3 and 4 are constituted so that they can be led out from the main bodies 3a and 4a in the opposite directions substantially. Therefore, even when the pattern of the electrodes 2 and 4 is slightly deviated in position from that of the electrodes 3 and 5, the offsetting performance of vibration variation or temperature variation or in-phase noise of background radiation, etc., can be improved.

37. 发明专利

JPS63285739A PRODUCTION OF THIN FILM FOR MAGNETO-OPTICAL RECORDING AND REPRODUCTION 失效
公开(公告)号：JPS63285739A
公开(公告)日：1988-11-22
申请号：JP12057187
申请日：1987-05-18
申请人： KUREHA CHEMICAL IND CO LTD
发明人： NAOE MASAHIKO , SHOJI MASUHIRO , NAGAI AISAKU
IPC分类号： C23C14/14 , C23C14/34 , G11B11/10 , G11B11/105 , H01F10/18
摘要： PURPOSE:To improve the crystallinity of an thin film and to increase a magnetic Kerr rotating angle by forming the thin film consisting of a compd. having Heusler's alloy type crystal structure by using a confronted target type sputtering method. CONSTITUTION:Elements which can form the compd. (A) of the Heuser's alloy type crystal structure are used for the targets 1, 2 of a confronted target type sputtering device and are sputtered on a substrate 9, by which the thin film consisting of the compd. A is formed thereon. The compd. A is preferably PtMnSb. The use of the composite targets composed of Pt and Mn for both the targets 1, 2 and the use of the target composed of Mn to one thereof and the composite target composed of Pt and Sb to the other are possible at the time of forming said thin film. The temp. of the substrate 9 is preferably maintained at 200-500 deg.C during sputtering.

38. 发明专利

JPS60227404A THIN FILM MATERIAL FOR MAGNETOOPTIC RECORDING AND REPRODUCTION AND PREPARATION THEREOF 失效
公开(公告)号：JPS60227404A
公开(公告)日：1985-11-12
申请号：JP6756084
申请日：1984-04-06
申请人： KUREHA CHEMICAL IND CO LTD
发明人： SHIYOUJI MASUHIRO , NAGAI AISAKU , MURAYAMA NAOHIRO
IPC分类号： C22C30/00 , C23C14/00 , C23C14/14 , G11B11/10 , G11B11/105 , G11C13/06 , H01F10/18 , H01F41/18
摘要： PURPOSE:To obtain a thin film having a large magnetic Kerr rotational angle and a large reproduced signal intensity by a method wherein a three-element compound comprising Pt, Mn and Sb is put in a magnetron spattering apparatus and a thin film is deposited on a glass substrate heated to a temperature lower than 100 deg.C in an Ar atmosphere. CONSTITUTION:A glass substrate and an Mn target are put in a magnetron spattering apparatus, and a Pt chip and an Sb chip are mounted thereon. Next the glass substrate is heated to a temperature of about 80 deg.C and a thin film of about 2,000Angstrom thick is formed in an atmosphere of Ar. In this way, a thin film having the polar Kerr effect can be obtained easily witout necessitating a heat treatment of high temperature.

39. 发明专利

JPS5692634A INPUT DEVICE FOR TRANSPARENT PIEZOELECTRIC COORDINATE 失效
公开(公告)号：JPS5692634A
公开(公告)日：1981-07-27
申请号：JP16943079
申请日：1979-12-27
申请人： KUREHA CHEMICAL IND CO LTD
发明人： MURAYAMA NAOHIRO , YOSHIDA MASABUMI , NAGAI AISAKU
IPC分类号： G06F3/047 , H03K17/96
摘要： PURPOSE:To enable to indicate the coordinates on a display device easily, by forming the electrode of piezoelectric macromolecular film with thin film electrode layer at the both sides of single or a plurality of layers, by transparent conductor layer, to constitute panel elements for coordinate input. CONSTITUTION:Electrodes consisting of a plurality of thin film conductors such as 3Q1...3i1... are coated on the upper surface of a transparent macromolecular film 2 in a piezoelectric coordinate input panel element 1. Further, a thin film conductor electrode 4 of a large area being opposite electrode is coated on the lower surface. The electrode 4 is coupled with the ground 5, and each electrode such as 3i1 is connected to an output side device 7 via an impedance conversion device such as FET6i1. Further, on the electrodes at the both sides of the element 1, transparent dielectric films 8, 9 are coated for protection so that they almost cover the entire surface of the piezoelectric film. The key coordinate is constituted with the combination of split electrodes 3i1, ..., and the constitution is made with transparent electrodes, allowing to indicate the coordinates easily and surely.

40. 发明专利

JPS5668070A PYROELECTRIC IMAGE SENSOR 失效
公开(公告)号：JPS5668070A
公开(公告)日：1981-06-08
申请号：JP14510779
申请日：1979-11-09
申请人： KUREHA CHEMICAL IND CO LTD
发明人： NAGAI AISAKU , MURAYAMA NAOHIRO
IPC分类号： H04N5/33 , G01J5/02 , G01J5/34 , H01L27/14 , H01L27/146
摘要： PURPOSE:To make it possible to obtain a composite pyroelectric element, by arranging plural MOS transistor circuits for impedance conversion, where a part of the small-size electrode is used as a gate electrode, in one silicon wafer to form the element. CONSTITUTION:Common earth electrode 3 is provided on the surface of polyvinylidene fluoride film 2, and integrated MOS transistor chip 5 where the MOS- FET transistor group is arranged is joined onto the opposite surface through adhesive layer 4. In transistor chip 5, the extension part of metal vapor-deposited film electrode 8 provided on oxide film 7 of silicon wafer 6 is used as the gate electrode, and plural impedance conversion MOS transistors 12 constituted by source electrode 10 and drain electrode 11 which are provided in the silicon layer under the gate electrode by the impurity diffusion method are arranged in silicon wafer 6. Composite pyroelectric element 1 has this constitution.

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