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    • 5. 发明专利
    • Manufacturing method for laser beam-machined product, and adhesive sheet for laser beam machining
    • 激光加工产品的制造方法和激光束加工的粘合片
    • JP2006035277A
    • 2006-02-09
    • JP2004219857
    • 2004-07-28
    • Nitto Denko Corp日東電工株式会社
    • URAIRI MASAKATSUTAKAHASHI TOMOKAZUHINO ATSUSHIMATSUO NAOYUKI
    • B23K26/18B23K26/40B23K101/40B23K101/42H01L21/301
    • PROBLEM TO BE SOLVED: To provide a manufacturing method for a laser beam-machined product, which conducts laser beam machining with high accuracy at high speed, effectively suppresses the contamination on the surface of a workpiece, which is caused by decomposed products, and easily collects the workpiece after machining, when machining the workpiece by ultraviolet absorption ablation of a laser beam. SOLUTION: An adhesive sheet 2 for laser beam machining includes at least an adhesive layer on a base material is used. The adhesive layer consists of an adhesive not containing an aromatic hydrocarbon group-containing compound, and a light absorption coefficient ratio (a light absorption coefficient of an adhesive sheet for laser beam machining in an ultraviolet-region wavelength λ/a light absorption coefficient of a workpiece 1 to be used in the ultraviolet-region wavelength λ) is less than 1. The manufacturing method for a laser beam-machined product includes: a step, in which the adhesive layer of the adhesive sheet 2 for laser beam machining is stuck to the laser beam exit surface side of the workpiece 1; a step, in which a workpiece 9 is irradiated with a laser beam 6 and is machined; and a step, in which the adhesive sheet 2 for laser beam machining is peeled from the workpiece 1 after machining. COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:为了提供以高速高精度进行激光束加工的激光束加工产品的制造方法,有效地抑制了由分解产物引起的工件表面的污染 在加工后,通过激光束的紫外吸收烧蚀加工工件时,可以方便地收集工件。 解决方案:用于激光束加工的粘合片2至少包括基材上的粘合剂层。 粘合层由不含有芳香族烃基化合物的粘合剂构成,光吸收系数比(紫外线区域波长λ/ a的光吸收系数的激光束加工用粘合片的光吸收系数 用于紫外线波长λ的工件1)小于1.激光束加工产品的制造方法包括:将激光加工用粘合片2的粘合层粘贴到 工件1的激光束出射面侧; 其中工件9被激光束6照射并被加工的步骤; 以及在加工后将激光加工用粘合片2从工件1剥离的工序。 版权所有(C)2006,JPO&NCIPI
    • 6. 发明专利
    • Gas diffusion membrane for solid polymer electrolyte fuel cell
    • 固体聚合物电解质燃料电池的气体扩散膜
    • JP2006004787A
    • 2006-01-05
    • JP2004180401
    • 2004-06-18
    • Nitto Denko CorpToyota Motor Corpトヨタ自動車株式会社日東電工株式会社
    • WANO TAKASHIUCHIYAMA TOMOAKIURAIRI MASAKATSUHIGUCHI HIROYUKIKOBAYASHI NORIYUKINAKANISHI HARUMICHINAKADA KEIICHI
    • H01M4/86H01M4/96H01M8/10
    • Y02E60/521
    • PROBLEM TO BE SOLVED: To provide a gas diffusion membrane for a solid polyelectrolyte fuel cell which is superior in water management in a wide range of battery reaction ranging from a high electric current density area to a low electric current density area, and which does not obstruct a battery reaction, and in which permeation of the gas is uniform. SOLUTION: In a gas diffusion membrane 10, a recess 13 is installed from the front surface toward the rear face of a hydrophobic porous membrane 12 formed of a hydrophobic binder resin and a conductive material. When this gas diffusion membrane 10 is positioned in the fuel cell so that its rear face will come to the electrode side, a superior water management capability is demonstrated. In other words, in the low electric current density area, the generated water is prevented from coming off since the porous membrane is hydrophobic and therefore the water is retained within the electrolyte membrane, while in the high electric current density area, the large quantity of generated water is evaporated, diffused through holes of the porous membrane, and condensed in the porous membrane, but the generated water is exhausted via the recess as a water passage. In addition, the battery reaction is not obstructed since the rear face contacting the electrode is flat and smooth and has a large contacting area with the electrode. Furthermore, since no penetration hole is installed in the porous membrane, the permeation of the gas also becomes uniformized. COPYRIGHT: (C)2006,JPO&NCIPI
    • 解决的问题:提供一种固体聚电解质燃料电池用气体扩散膜,其在从高电流密度区域到低电流密度区域的广泛的电池反应范围内,在水管理上优越,以及 这不妨碍电池反应,并且其中气体的渗透是均匀的。 解决方案:在气体扩散膜10中,从由疏水性粘合剂树脂和导电材料形成的疏水性多孔膜12的前表面向后表面安装凹部13。 当该气体扩散膜10位于燃料电池中使得其后表面将进入电极侧时,显示出优异的水管理能力。 换句话说,在低电流密度区域中,由于多孔膜是疏水性的并且因此水保持在电解质膜内,因此防止产生的水脱落,而在高电流密度区域中,大量的 产生的水蒸发,通过多孔膜的孔扩散,并在多孔膜中冷凝,但是产生的水通过凹槽作为水通道排出。 此外,由于与电极接触的后表面平坦且光滑并且与电极的接触面积大,所以电池反应不被阻碍。 此外,由于在多孔膜中没有安装贯通孔,气体的渗透也变得均匀。 版权所有(C)2006,JPO&NCIPI
    • 7. 发明专利
    • Laser processing protection sheet and production method for laser-processed article
    • 激光加工保护片和激光加工制品的生产方法
    • JP2005279758A
    • 2005-10-13
    • JP2004100281
    • 2004-03-30
    • Nitto Denko Corp日東電工株式会社
    • URAIRI MASAKATSUHINO ATSUSHIMATSUO NAOYUKITAKAHASHI TOMOKAZU
    • B23K26/18B23K26/16B23K101/36
    • PROBLEM TO BE SOLVED: To provide a production method for a laser-processed article using a laser processing protection sheet capable of effectively suppressing contamination on a surface of an article to be processed by decomposition products when the article to be processed is processed by UV absorption ablation of a laser beam and capable of enhancing processing accuracy and to provide a laser processing protection sheet used for the production method for the laser-processed article. SOLUTION: The production method for the laser-processed article includes a step of using the laser processing protection sheet having at least an adhesive layer on a base material and having a specific heat ratio of COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供一种使用激光加工保护片的激光加工制品的制造方法,该加工保护片能够有效地抑制待处理物品处理后的被处理物品的表面上的污染 通过激光束的紫外吸收消融,能够提高加工精度,并提供用于激光加工制品的制造方法的激光加工保护片。 &lt; P&gt;解决方案:激光加工制品的制造方法包括使用在基材上至少具有粘合剂层并且比热<1的粘合剂层的激光加工保护片的粘接层 激光加工保护片到待处理制品的激光束入射面侧,通过用激光照射激光加工保护片和待加工物品的步骤,以及剥离激光加工的步骤 加工后待处理物品的保护板。 版权所有(C)2006,JPO&NCIPI
    • 8. 发明专利
    • Method of producing laser-processed product and adhesive sheet for laser processing used therefor
    • 生产激光加工产品的方法和用于激光加工的粘合片
    • JP2005279682A
    • 2005-10-13
    • JP2004094732
    • 2004-03-29
    • Nitto Denko Corp日東電工株式会社
    • MATSUO NAOYUKIHINO ATSUSHIURAIRI MASAKATSUTAKAHASHI TOMOKAZU
    • B23K26/18B23K26/00B23K26/16B23K26/38B23K26/40B23K101/36C09J7/02C09J201/00
    • PROBLEM TO BE SOLVED: To provide a method, in the case an object to be processed is subjected to processing by the abrasion of laser light, capable of effectively suppressing contamination on the surface of the object to be processed caused by a resolvent, and capable of easily producing the object to be processed with enhanced production efficiency. SOLUTION: The method of producing a laser-processed product uses a sheet, as an adhesive sheet 2 for laser processing, on the base material of which at least an adhesive agent layer is provided and having a ratio of the density of an adbesive sheet for laser processing to the density of an object to be processed of COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:为了提供一种方法,在通过激光的磨损对被处理物进行处理的情况下,能够有效地抑制由溶解物引起的待处理物体的表面的污染 并且能够以提高的生产效率容易地生产待处理的物体。 解决方案:制造激光加工产品的方法使用作为激光加工用粘合片2的片材至少具有粘合剂层的基材,并且其密度为 用于激光加工的用于待处理物体的密度<1的粘合片材。 该方法包括将用于激光加工的粘合片2与粘合剂层之间的待处理物体1的激光出射面侧接合的步骤,通过照射加工对象物1的步骤 使用具有大于待处理对象物1的磨损的阈值的照射强度的激光束6,并且在待处理物体1中形成通孔的照射强度的2倍以下, 以及在处理之后将待激光加工用粘合片2与待处理物体1分离的工序。 版权所有(C)2006,JPO&NCIPI
    • 10. 发明专利
    • Holding method for fine grains to base material, base material holding fine grain provided by the same method, optical element, and circuit element
    • 用于基材的保留方法,由相同方法,光学元件和电路元件提供的基材材料保持精细颗粒
    • JP2003334676A
    • 2003-11-25
    • JP2002140957
    • 2002-05-16
    • Nitto Denko Corp日東電工株式会社
    • URAIRI MASAKATSUKATAYAMA SHIGERUHORIIKE MIKAHIRAO KAZUYUKI
    • B05D3/06B23K26/00B23K101/36B29B13/08
    • PROBLEM TO BE SOLVED: To provide a holding method for fine grains to a base material capable of holding fine grains within a base material with an easy, superior handling property. SOLUTION: The holding method for fine grains to the base material comprises: a step (A) forming a layer 2 of fine grains on the base material 3; a step (B) leading fine grains within the base material by irradiating a concentrated laser beam 5 from a fine grains layer side and further preferably having the following step (C) as a subsequent step of the step (B); a step (C) removing a remained layer of fine grains. A plastic type base material is preferable as the base material. Inorganic fine grains are preferable as fine grains, and the inorganic fine grain includes at least one kind of a metallic atom selected among gold, silver, copper, platinum, and titanium, and a silicon atom. COPYRIGHT: (C)2004,JPO
    • 解决的问题:为了提供一种细小颗粒的保持方法,其能够以容易且优异的处理性能将基材保持在基材内。 &lt; P&gt;解决方案:对基材进行细粒保持的方法包括:在基材3上形成细粒的层2的工序(A) 步骤(B)通过从细晶粒层侧照射浓缩的激光束5并且进一步优选具有后续步骤(C)作为步骤(B)的后续步骤,使基材内的细晶粒引导。 步骤(C)除去残留的细晶粒层。 作为基材,优选塑料型基材。 无机微粒优选为细晶粒,无机细晶粒包括选自金,银,铜,铂和钛中的至少一种金属原子和硅原子。 版权所有(C)2004,JPO