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    • 6. 发明专利
    • Method of manufacturing adhesive tape
    • 制造胶粘带的方法
    • JP2009074011A
    • 2009-04-09
    • JP2007246885
    • 2007-09-25
    • Nitto Denko Corp日東電工株式会社
    • TERADA YOSHIOKAWAZOE SHOZOYOSHIDA YOSHITOKU
    • C09J7/02
    • PROBLEM TO BE SOLVED: To provide a method of manufacturing an adhesive tape having necessary adhesive force to an adherend, enabling a foreign submicron of a submicron level to be removed without contamination in a cleaning portion, showing excellent heat resistance, exhibiting sufficient adhesive force and cohesive force even at a high temperature, and capable of being easily peeled from the adherend without leaving paste in the cleaning portion when the tape is peeled from the adherend after use. SOLUTION: In the method of manufacturing the adhesive tape having an aggregation layer of glancing pillar structures mounted on a surface of a support, each glancing pillar structure protruding at an angle of elevation of less than 90 degrees from the surface and having an aspect ratio of not less than 1, wherein the glancing pillar structure is formed by a glancing angle vapor deposition method. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:为了提供一种制造对被粘物具有必要的粘合力的粘合带的方法,使得能够除去在清洁部分中没有污染的亚微米级的外来亚微米,显示出优异的耐热性,表现出足够的 粘合力和内聚力,并且当带子从使用后的被粘物体剥离时,能够容易地从被粘物上剥离而不会留下清洁部分中的糊料。 解决方案:在制造具有安装在支撑体表面上的扫视柱结构聚集层的粘合带的方法中,每个扫视柱结构以与表面小于90度的仰角倾斜并且具有 长宽比不小于1,其中扫掠柱结构通过幻影气相沉积法形成。 版权所有(C)2009,JPO&INPIT
    • 7. 发明专利
    • Adhesive member having ridge-like fine structure
    • 具有类似RIDGE的结构的粘合构件
    • JP2008201883A
    • 2008-09-04
    • JP2007039107
    • 2007-02-20
    • Nitto Denko Corp日東電工株式会社
    • MAENO YOHEIYOSHIDA YOSHITOKUSUGAO HISAKI
    • C09J7/02
    • C09J7/30C09J7/22
    • PROBLEM TO BE SOLVED: To provide an adhesive member indicating excellent adhesion characteristic, and its manufacturing method.
      SOLUTION: The adhesive member is the adhesive member including a base material and a pillar-like projection part formed on a surface of the base material, and the pillar-like projection part has a ridge-like fine structure on the side surface. The manufacturing method for the adhesive member includes the step (1) for filling the resin in a porous film hole on the base material, the step (2) for forming the pillar-like projection part on the base material by curing the resin, the step (3) for removing the porous film from the base material, and the step (4) for performing plasma etching treatment on the pillar-like projection part.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种表现出优异的粘合特性的粘合剂及其制造方法。 解决方案:粘合构件是包括形成在基材的表面上的基材和柱状突起部的粘合构件,并且柱状突起部在侧面具有脊状的微细结构 。 粘合剂的制造方法包括将树脂填充到基材上的多孔膜孔中的工序(1),通过固化树脂在基材上形成柱状突起部的工序(2), 用于从基材除去多孔膜的步骤(3)和用于对柱状突起部进行等离子体蚀刻处理的步骤(4)。 版权所有(C)2008,JPO&INPIT
    • 8. 发明专利
    • Thermally strippable double-faced pressure-sensitive adhesive sheet and method of working workpiece
    • 耐热双折敏压敏粘合片及其工作方法
    • JP2008115272A
    • 2008-05-22
    • JP2006299737
    • 2006-11-04
    • Nitto Denko Corp日東電工株式会社
    • KIUCHI KAZUYUKIYOSHIDA YOSHITOKU
    • C09J7/02C09J201/00H01L21/304
    • H01L21/6836C09J5/06C09J7/26C09J7/29C09J2201/128C09J2205/302C09J2400/243H01L21/6835H01L2221/68327H01L2221/68331H01L2221/6834H01L2224/16H01L2924/01004H01L2924/01019H01L2924/01057H01L2924/19041Y10T428/249953
    • PROBLEM TO BE SOLVED: To provide a thermally strippable double-faced pressure-sensitive adhesive sheet that, in the working of the back side of a workpiece while having its one face stuck to the front side of the workpiece and having its other face stuck to a support as a pedestal, can avoid floating of the support and cracking of the workpiece at working attributed thereto even when the workpiece has a highly uneven surface. SOLUTION: The thermally strippable double-faced pressur-sensitive adhesive sheet is one having a thermally strippable adhesive layer A superimposed on one side face of a base material and a pressure-sensitive adhesive layer B superimposed on the other side face of the base material, and characterized in that the base material is a porous base material. The porous base material is preferably one having density of 0.9 g/cm 3 or below and a tensile elastic modulus of 20 MPa or below. The base material may consist of a laminate of a porous base material and a nonporous base material. As an adhesive for constructing the pressure-sensitive adhesive layer (B), use can be made of, for example, a pressure-sensitive adhesive, an ultraviolet hardening adhesive, a thermally strippable adhesive, a thermoplastic adhesive, a thermosetting adhesive, etc. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种可热剥离的双面压敏粘合片,其在工件的背面的工作中同时将其一个面粘贴在工件的前侧并具有其它的 作为基座的支撑面粘贴在支撑体上,即使当工件具有高度不均匀的表面时,也可以避免工件在工作时的浮动和工作异常。 热剥离双面压敏粘合片是具有叠层在基材的一个侧面上的热剥离性粘合剂层A和叠层在基材的另一个侧面上的粘合剂层B 基材,其特征在于,所述基材为多孔基材。 多孔基材优选为0.9g / cm 3以上且拉伸弹性模量为20MPa以下的密度。 基材可以由多孔基材和无孔基材的层压体组成。 作为构成粘合剂层(B)的粘合剂,可以使用例如压敏粘合剂,紫外线固化粘合剂,热剥离性粘合剂,热塑性粘合剂,热固性粘合剂等。 版权所有(C)2008,JPO&INPIT
    • 9. 发明专利
    • Pressure-sensitive adhesive sheet for processing semiconductor wafer
    • 用于加工半导体滤波器的压敏粘合片
    • JP2007277282A
    • 2007-10-25
    • JP2006101418
    • 2006-04-03
    • Nitto Denko Corp日東電工株式会社
    • HASHIMOTO KOICHITAKAHASHI TOMOKAZUYOSHIDA YOSHITOKU
    • C09J7/02B32B27/00B32B27/30C09J11/06C09J133/06C09J163/00C09J175/04C09J201/02H01L21/683
    • PROBLEM TO BE SOLVED: To provide a pressure-sensitive adhesive sheet for processing a semiconductor wafer, which is a repeelable type pressure-sensitive adhesive sheet of which adhesive force is decreased by the irradiation of a radiation, without reducing the effect of decreasing the adhesive force by the irradiation of the radiation even on preserving for a long time and useful as a holding sheet, etc., of a dicing process. SOLUTION: This pressure-sensitive adhesive sheet for processing the semiconductor wafer is provided by having a radiation-responding pressure-sensitive adhesive layer (layer B) containing a (meth)acrylic acid alkyl ester copolymer as a base polymer and also 0.1 pt.wt. to 300 pts.wt. radiation-polymerizable compound having ≥2 carbon-carbon double bonds in its molecule based on 100 pts.wt. (meth)acrylic acid alkyl ester copolymer on at least one side of a substrate material film (layer A) consisting mainly of the (meth)acrylic acid alkyl ester copolymer, and the viscosity of the radiation-polymerizable compound at 60°C is ≥1 Pa s or its weight-average molecular weight is ≥1,000. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种用于加工半导体晶片的压敏粘合片,该半导体晶片是通过辐射照射而粘附力降低的可重复型压敏粘合片,而不会降低 即使长时间保存,也可以通过照射辐射来降低粘合力,并且可用作切割工艺的保持片等。 解决方案:用于处理半导体晶片的压敏粘合片通过具有含有(甲基)丙烯酸烷基酯共聚物作为基础聚合物的辐射响应性压敏粘合剂层(B层)和0.1 pt.wt. 至300磅 其分子中具有≥2个碳 - 碳双键的辐射聚合性化合物为100重量份。 (甲基)丙烯酸烷基酯共聚物在主要由(甲基)丙烯酸烷基酯共聚物组成的基材材料膜(A层)的至少一面和60℃下的辐射聚合性化合物的粘度为≥ 1Pa s或其重均分子量≥1000。 版权所有(C)2008,JPO&INPIT
    • 10. 发明专利
    • Pressure-sensitive adhesive sheet and method of processing product using the pressure-sensitive adhesive sheet
    • 压敏粘合片和使用压敏粘合片加工产品的方法
    • JP2007070432A
    • 2007-03-22
    • JP2005257674
    • 2005-09-06
    • Nitto Denko Corp日東電工株式会社
    • YANO KOHEIAKAZAWA MITSUHARUYOSHIDA YOSHITOKUKONYA TOMOHIRO
    • C09J7/02C09J133/00H01L21/304
    • C09J7/29C09J2201/162C09J2203/326C09J2433/006
    • PROBLEM TO BE SOLVED: To provide a pressure-sensitive adhesive sheet which is used in processing products such as semiconductor wafers, does not stain nor damage the semiconductor wafers during processing and reduces warping of the products due to the residual stress of a pressure-sensitive adhesive sheet and a laminated sheet used for the pressure-sensitive adhesive sheet.
      SOLUTION: The pressure-sensitive adhesive sheet has a substrate, an intermediate layer and a pressure-sensitive adhesive layer in this order. The intermediate layer has a tensile modulus at 23°C of ≥10 MPa and ≤100 MPa and is composed of an acrylic polymer obtained by polymerizing a mixture of 70 pts.wt. -99 pts.wt. of a (meth)acrylate monomer and 1 pt.wt. -30 pts.wt. of an unsaturated carboxylic acid in the total amount of 100 pts.wt. The substrate includes at least one layer having a tensile modulus at 23°C of ≥0.6 GPa.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:为了提供用于加工诸如半导体晶片的产品的压敏粘合片,在加工过程中不会污染或损坏半导体晶片,并且减少由于残留应力引起的产品翘曲 压敏粘合片和用于压敏粘合片的层压片。 解决方案:压敏粘合片依次具有基材,中间层和压敏粘合剂层。 中间层在23℃下的拉伸弹性模量≥10MPa,≤100MPa,由通过聚合70重量份的混合物而得到的丙烯酸类聚合物构成。 -99磅 的(甲基)丙烯酸酯单体和1重量份 -30磅 的不饱和羧酸,总量为100重量份。 衬底包括至少一层在23℃下的拉伸模量≥0.6GPa的层。 版权所有(C)2007,JPO&INPIT