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1. 发明专利

JP2005078708A Magnetic disk and magnetic disk unit provided with the same 审中-公开
标题翻译：磁碟和磁碟单元
公开(公告)号：JP2005078708A
公开(公告)日：2005-03-24
申请号：JP2003307390
申请日：2003-08-29
申请人： Showa Denko Kk , Toshiba Corp , 昭和電工株式会社 , 株式会社東芝
发明人： SONODA KOJI , KATO JUNYA , FUKUSHIMA MASATO , MATSUMURA YUKIHISA
IPC分类号： G11B5/82 , G11B5/00 , G11B5/64 , G11B5/73 , G11B7/26
CPC分类号： G11B5/64
摘要： PROBLEM TO BE SOLVED: To provide a magnetic disk combining high density recording with reliability and to provide a magnetic disk unit provided with the same.
SOLUTION: Texture processing for imparting magnetic orientation in the circumferential direction onto a substrate 50 is applied to the magnetic disk, so that the magnetic disk has magnetic anisotropy in the circumferential direction. A base film, a magnetic recording film 60, a protective film 62 and a lubricant film 64 are layered on the surface of the substrate. The surface of the magnetic disk is so formed that a contact ratio value [BH1.0 nm] at a height of 1.0 nm or above is 7 to 15% when the height at which the contact ratio is 50% is adopted as a reference in a surface roughness versus loading curve.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种将可靠性高密度记录组合的磁盘，并提供具有该磁盘的磁盘单元。解决方案：将用于在圆周方向上施加磁性取向的基板50的纹理处理施加到磁盘，使得磁盘在圆周方向上具有磁各向异性。在基板的表面上层叠基膜，磁记录膜60，保护膜62和润滑膜64。磁盘的表面如此形成，当以接触比为50％的高度作为参考时，以1.0nm或以上的高度的接触比值[BH1.0nm]作为参考，为7〜15％表面粗糙度与载荷曲线。版权所有（C）2005，JPO＆NCIPI

2. 发明专利

JPH0741756A ANTISTATIC MATERIAL, ELIMINATION, OBSERVATION OR CHECK OF STATIC CHARGE THEREWITH AND ARTICLE MADE ANTISTATIC 失效
公开(公告)号：JPH0741756A
公开(公告)日：1995-02-10
申请号：JP11141094
申请日：1994-05-25
申请人： SHOWA DENKO KK
发明人： TOMOSAWA HIDEKI , SAIDA YOSHIHIRO , KATO JUNYA , AKAKABE YUKIE , IKENOUE YOSHIAKI , ICHIKAWA REIKO
IPC分类号： C08G75/00 , C08G61/12 , C09K3/16 , G01N23/225 , G03F1/40 , G03F7/004 , H01B1/12 , H01J37/305 , G03F1/14
摘要： PURPOSE:To obtain an antistatic material which prevents an article from being charged with static electricity effectively for a long time during its production or service by incorporating a specified water-soluble conductive polymer compound in the material. CONSTITUTION:The antistatic material contains a water-soluble conductive polymer compound comprising at least one kind of repeating units of formulas I and II [wherein R1 to R2 are each H, 1-20C (un)saturated alkyl, alkoxyl, alkyl ester, halogen, SO3 M (wherein M is H for R1 or R2), nitro, cyano, prim. to tert. amino, trihalomethyl, (substituted) phenyl or the like; M is NR5R6R7R8 , PR5R6R7R8 , AsR5R6R7R8 , Na , Li or K ; and R5 to R8 are each H, 1-30C (substituted) alkyl, (substituted) aryl or the like], having a main chain having pi-conjugated double bonds and desirably having a molecular weight of 2000 or above.

3. 发明专利

JP2017083250A 液体クロマトグラフィー用カラムの製造方法审中-公开
公开(公告)号：JP2017083250A
公开(公告)日：2017-05-18
申请号：JP2015210569
申请日：2015-10-27
申请人：昭和電工株式会社 , Showa Denko Kk
发明人： KATO JUNYA , NAKAJIMA NAOYA , KONDO HIDEYUKI , MARUOKA NAOKO
IPC分类号： G01N30/56 , G01N30/02
摘要：【課題】湿式法により充填剤を充填する場合に高い理論段数が得られる、充填剤を含むスラリーの調製条件と、そのスラリーのカラム容器への充填条件とを備えた液体クロマトグラフィー用カラムの製造方法を提供する。【解決手段】充填剤を含むスラリーを調製し、スラリーの水素イオン濃度(pH)を、充填剤の等電点の±3.0以内に調整する工程と、水素イオン濃度を調整したスラリーを前記カラム容器に注入し、カラム容器の入口側から出口側に向かって液体を送液することにより、スラリーを加圧し、カラム容器内に充填剤からなる充填層を形成する工程と、を有することを特徴とする液体クロマトグラフィー用カラムの製造方法。【選択図】なし

4. 发明专利

JP2007077401A Solution of electroconductive polymer 有权
标题翻译：电极聚合物的解决方案
公开(公告)号：JP2007077401A
公开(公告)日：2007-03-29
申请号：JP2006294924
申请日：2006-10-30
申请人： Showa Denko Kk , 昭和電工株式会社
发明人： KATO JUNYA , SAIDA YOSHIHIRO , IKENOUE YOSHIAKI , ICHIKAWA REIKO
IPC分类号： C08G61/12 , H01B1/12
摘要： PROBLEM TO BE SOLVED: To provide a solution of an electroconductive polymer which exhibits high electroconductivity, is thermally and mechanically stable, and is utilized as a single substance or a composite material for formation of a film or other molded articles including an electroconductive material, an electrode and the like in an electric and electronic industry or the like. SOLUTION: The solution is obtained by dissolving an electroconductive polymer containing a repeating unit comprising a chemical structure represented by general formula (I). COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了提供显示高导电性的导电聚合物的溶液，其是热和机械稳定的，并且被用作形成膜或其它模制品的单一物质或复合材料，其包括导电材料，电极等的电气和电子工业等。解决方案：通过溶解含有由通式（I）表示的化学结构的重复单元的导电聚合物获得溶液。版权所有（C）2007，JPO＆INPIT

5. 发明专利

JP2004300443A Supporting member having antistatic film, method and material for manufacturing the same, and use of the same 有权
公开(公告)号：JP2004300443A
公开(公告)日：2004-10-28
申请号：JP2004130017
申请日：2004-04-26
申请人： Showa Denko Kk , 昭和電工株式会社
发明人： KATO JUNYA , OHIRA MANABU
IPC分类号： G03G15/20 , B32B7/02 , C08J7/04 , C08L81/08 , C08L101/00 , C09K3/16 , G03G15/00
摘要： PROBLEM TO BE SOLVED: To control the surface resistance value of a supporting member usable for image forming equipment components or the like so that it falls in a specified range in the semiconductor region.
SOLUTION: The antistatic film forming composition comprises a π-electron conjugated system conductive polymer, a resin component, and a solvent. For the resin component, preferably, at least one is selected from the group consisting of a polyurethane, polyester, acrylic resin, polyamide, epoxy resin, alkyd resin, phenol resin, and polysiloxane. The antistatic film is formed on the surface where the composition is applied or sprayed onto the surface of the supporting member or the supporting member is submerged in the composition and then the solvent is removed. The antistatic film has a surface resistance value of 1×10
9 to 1×10
13 Ω/sq., and the supporting member is provided with the film.
COPYRIGHT: (C)2005,JPO&NCIPI

6. 发明专利

JP2003137981A NEW ELECTRICALLY CONDUCTIVE POLYMER AND METHOD FOR PRODUCING THE SAME 审中-公开
公开(公告)号：JP2003137981A
公开(公告)日：2003-05-14
申请号：JP2002321744
申请日：2002-11-05
申请人： SHOWA DENKO KK
发明人： KATO JUNYA , SAIDA YOSHIHIRO , IKENOUE YOSHIAKI , ICHIKAWA REIKO
IPC分类号： C08G61/12
摘要： PROBLEM TO BE SOLVED: To provide a new electrically conductive polymer soluble in an organic solvent and/or water and having excellent processability, exhibiting high electrical conductivity, having thermal and mechanical stability and useful as a new structural material for electric and electronic industries, etc., including the use as an electrically conductive material, electrode, etc., as a simple substance or a composite material and to provide an excellent method for the production of the electrically conductive polymer. SOLUTION: The electrically conductive polymer contains repeating units having chemical structures expressed by general formula (I) and general formula (IV). The invention further relates to a method for the production of the polymer.

7. 发明专利

JP2002183945A MAGNETIC RECODING MEDIUM, METHOD FOR MANUFACTURING THE SAME, MAGNETIC RECORDING AND REPRODUCING DEVICE, METHOD AND DEVICE FOR INSPECTING MAGNETIC RECORDING MEDIUM 失效
公开(公告)号：JP2002183945A
公开(公告)日：2002-06-28
申请号：JP2000373212
申请日：2000-12-07
申请人： SHOWA DENKO KK
发明人： YOSHIKAWA TOSHIHIKO , KATO JUNYA , KUSUKI KATSUTERU
IPC分类号： G11B5/65 , G11B5/00 , G11B5/82 , G11B5/84
摘要： PROBLEM TO BE SOLVED: To provide a method for manufacturing a magnetic recording medium in which writing and recognition of servo information can be performed with high accuracy. SOLUTION: While a magnetic head 48 is made to levitate and run over a sample M to observe the frequency characteristics of the signals reproduced from the magnetic head 48, the levitating and running test is carried out by (I) decreasing the number of revolution of the sample M until local increase in the frequency component of the output of the reproduced signals occurs and then (II) increasing the number of revolution of the sample M until the aforementioned output increase disappears. The test is carried out so as to confirm that the difference between the number of revolution of the sample when the increase in the output occurs in (I) and the number of revolution of the sample when the increased output disappears in (II) becomes equal to or smaller than the predetermined referential value.

8. 发明专利

JPH0948921A SUPPORT HAVING ANTISTATIC FILM, PRODUCTION THEREOF, MATERIAL THEREFOR AND USE THEREOF 失效
公开(公告)号：JPH0948921A
公开(公告)日：1997-02-18
申请号：JP19996695
申请日：1995-08-04
申请人： SHOWA DENKO KK
发明人： KATO JUNYA , OHIRA MANABU
IPC分类号： G03G15/20 , C08G61/12 , C08L65/00 , C08L79/00 , C08L101/00 , C08L101/12 , C09D201/00
摘要： PROBLEM TO BE SOLVED: To provide a composition for forming an antistatic film which can give a support having a surface resistivity adjusted in a specified semiconductor region and being useful as a material for the fixation member of an image former by using a specified conductive component. SOLUTION: This composition for forming an antistatic film comprises a πelectron conjugated system conductive polymer, a resin component and a solvent. An example of the π electron conjugated polymer is a polymer comprising at least one kind of repeating units having a chemical structure represented by formula I, II or III (wherein X is S, O, Se, Te or NR (wherein R is H, a 1-20C alkyl, an alkylcarboxylic acid group, an alkylsulfonic acid group or an aryl); R to R are each H, a 1-20C alkyl, an alkoxyl, an alkylcarboxylic acid group, an alkylsulfonic acid group, a halogen, nitro, amino, a thrihalomethyl, carboxyl, sulfo or the like, provided that R to R , when they are alkyls, may be suitably combined with each other to form rings). The surface resistivity of a film of this composition is desirably 1×10 -1×10 Ω/cm .

9. 发明专利

JP2010218659A Method of inspecting magnetic recording medium, magnetic recording medium, and magnetic recording and reproducing device 审中-公开
标题翻译：检测磁记录介质，磁记录介质和磁记录和再现装置的方法
公开(公告)号：JP2010218659A
公开(公告)日：2010-09-30
申请号：JP2009066736
申请日：2009-03-18
申请人： Showa Denko Kk , 昭和電工株式会社
发明人： KATO JUNYA , MARUYAMA YOSHIHIKO
IPC分类号： G11B5/84 , G11B5/72 , G11B5/725
CPC分类号： G11B5/84 , G11B5/725 , Y10T436/20
摘要： PROBLEM TO BE SOLVED: To provide a method of inspecting a magnetic recording medium, which can prevent contaminants and corrosives from sticking (transferring) to the magnetic head. SOLUTION: This invention relates to the method of inspecting a magnetic recording medium which has at least a magnetic layer, a protective layer, and a lubricant layer on a nonmagnetic base. The method includes: exposing the magnetic recording medium to an atmosphere containing siloxane; and checking the resistance of the magnetic recording medium against the environmental substance based on the amount of the siloxane adsorbed to its surface. COPYRIGHT: (C)2010,JPO&INPIT

10. 发明专利

JP2010205323A Method for forming carbon film, and method for manufacturing magnetic recording medium 审中-公开
标题翻译：形成碳膜的方法和制造磁记录介质的方法
公开(公告)号：JP2010205323A
公开(公告)日：2010-09-16
申请号：JP2009047970
申请日：2009-03-02
申请人： Showa Denko Kk , 昭和電工株式会社
发明人： NAKAJIMA SATORU , KATO JUNYA
IPC分类号： G11B5/84 , C01B31/02 , C23C16/26
摘要： PROBLEM TO BE SOLVED: To provide a method for forming a dense carbon film with high hardness, while reducing the thickness of the carbon film.
SOLUTION: In the method for forming the carbon film, a gas G which is a raw material containing carbon is introduced into a pressure-reduced film-forming chamber 101, the gas G is ionized with high frequency plasma, and the carbon films are formed on both surfaces of a substrate D by using the ions. The method for forming the carbon film includes: a first step where the substrate D is arranged in an accelerating space 108 in the film-forming chamber 101 including a plasma space 106 in which the raw material gas G is ionized with the high frequency plasma and the accelerating space 108 in which the ions are accelerated, which are consecutive, and the carbon film is formed on both surfaces of the substrate D in this state by using non-accelerated ions or accelerated ions; and a second step for forming the carbon film on both surfaces of the substrate D after the first step while reaction pressure is reduced in comparison with that in the first step and by using ions with acceleration higher than that in the first step.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种形成具有高硬度的致密碳膜的方法，同时减小碳膜的厚度。解决方案：在形成碳膜的方法中，将作为含碳原料的气体G引入减压成膜室101中，气体G用高频等离子体离子化，碳通过使用离子在基板D的两个表面上形成膜。形成碳膜的方法包括：第一步骤，其中基板D布置在成膜室101中的加速空间108中，其包括等离子体空间106，原料气体G用高频等离子体离子化，其中离子被加速的加速空间108是连续的，并且在该状态下通过使用非加速离子或加速离子在基底D的两个表面上形成碳膜; 以及在第一步骤之后在基板D的两个表面上形成碳膜的第二步骤，同时反应压力与第一步骤相比降低，并且通过使用比第一步骤中的加速度高的离子。版权所有（C）2010，JPO＆INPIT

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