Patents by Inventor Hidekazu Matsuura

Hidekazu Matsuura has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 7560307
    Abstract: There are disclosed a resin composition comprising (A) a heat-resistant resin soluble in a solvent at room temperature, (B) a heat-resistant resin which is insoluble in a solvent at room temperature but becomes soluble by heating, and (C) a solvent; a heat-resistant resin paste further containing (D) particles or liquid state material D showing rubber elasticity; and a semiconductor device using the same and a method for producing the same.
    Type: Grant
    Filed: April 14, 2006
    Date of Patent: July 14, 2009
    Assignee: Hitachi Chemical Company, Ltd.
    Inventors: Yasuhiro Yano, Hidekazu Matsuura, Yoshihiro Nomura, Yoshii Morishita, Touichi Sakata, Hiroshi Nishizawa, Toshiaki Tanaka, Masaaki Yasuda, Aizou Kaneda
  • Publication number: 20090053498
    Abstract: An adhesive film for semiconductor use of the present invention is used in a method in which, after the adhesive film for semiconductor use is laminated to one side of a metal sheet, the metal sheet is processed to give a wiring circuit, a semiconductor die is mounted and molded, and the adhesive film is then peeled off. The adhesive film includes a resin layer A formed on one side or both sides of a support film, the 90 degree peel strength between the resin layer A and the metal sheet prior to the processing of the metal sheet laminated with the adhesive film for semiconductor use to give the wiring circuit is 20 N/m or greater at 25° C., and the 90 degree peel strengths, after molding with a molding compound the wiring circuit laminated with the adhesive film for semiconductor use, between the resin layer A and the wiring circuit and between the resin layer A and the molding compound are both 1000 N/m or less at least one point in the temperature range of 0° C. to 250° C.
    Type: Application
    Filed: October 21, 2008
    Publication date: February 26, 2009
    Inventors: Hidekazu MATSUURA, Toshiyasu Kawai
  • Patent number: 7479412
    Abstract: An adhesive film for semiconductor, which comprises at least one resin layer, and, after bonded to a lead frame, has at 25° C. a 90°-peel strength of at least 5 N/m between the resin layer and the lead frame, and, after a lead frame is bonded to the adhesive film for semiconductor and sealed with a sealing material, has at least at one point of temperatures ranging from 0 to 250° C. a 90°-peel strength of at most 1000 N/m between the resin layer and each of the lead frame and the sealing material; a lead frame and a semiconductor device using the adhesive film for semiconductor; and a method of producing a semiconductor device.
    Type: Grant
    Filed: April 8, 2008
    Date of Patent: January 20, 2009
    Assignee: Hitachi Chemical Company, Ltd.
    Inventors: Toshiyasu Kawai, Hidekazu Matsuura
  • Patent number: 7449367
    Abstract: An adhesive film for semiconductor use of the present invention is used in a method in which, after the adhesive film for semiconductor use is laminated to one side of a metal sheet, the metal sheet is processed to give a wiring circuit, a semiconductor die is mounted and molded, and the adhesive film is then peeled off. The adhesive film includes a resin layer A formed on one side or both sides of a support film, the 90 degree peel strength between the resin layer A and the metal sheet prior to the processing of the metal sheet laminated with the adhesive film for semiconductor use to give the wiring circuit is 20 N/m or greater at 25° C., and the 90 degree peel strengths, after molding with a molding compound the wiring circuit laminated with the adhesive film for semiconductor use, between the resin layer A and the wiring circuit and between the resin layer A and the molding compound are both 1000 N/m or less at at least one point in the temperature range of 0° C. to 250° C.
    Type: Grant
    Filed: February 19, 2004
    Date of Patent: November 11, 2008
    Assignee: Hitachi Chemical Company, Ltd.
    Inventors: Hidekazu Matsuura, Toshiyasu Kawai
  • Publication number: 20080194062
    Abstract: An adhesive film for semiconductor, which comprises at least one resin layer, and, after bonded to a lead frame, has at 25° C. a 90°-peel strength of at least 5 N/m between the resin layer and the lead frame, and, after a lead frame is bonded to the adhesive film for semiconductor and sealed with a sealing material, has at least at one point of temperatures ranging from 0 to 250° C. a 90°-peel strength of at most 1000 N/m between the resin layer and each of the lead frame and the sealing material; a lead frame and a semiconductor device using the adhesive film for semiconductor; and a method of producing a semiconductor device.
    Type: Application
    Filed: April 8, 2008
    Publication date: August 14, 2008
    Inventors: Toshiyasu KAWAI, Hidekazu Matsuura
  • Patent number: 7378722
    Abstract: An adhesive film for semiconductor, which comprises at least one resin layer, and, after bonded to a lead frame, has at 25° C. a 90°-peel strength of at least 5 N/m between the resin layer and the lead frame, and, after a lead frame is bonded to the adhesive film for semiconductor and sealed with a sealing material, has at least at one point of temperatures ranging from 0 to 250° C. a 90°-peel strength of at most 1000 N/m between the resin layer and each of the lead frame and the sealing material; a lead frame and a semiconductor device using the adhesive film for semiconductor; and a method of producing a semiconductor device.
    Type: Grant
    Filed: February 6, 2006
    Date of Patent: May 27, 2008
    Assignee: Hitachi Chemical Co., Ltd.
    Inventors: Toshiyasu Kawai, Hidekazu Matsuura
  • Publication number: 20060180908
    Abstract: There are disclosed a resin composition comprising (A) a heat-resistant resin soluble in a solvent at room temperature, (B) a heat-resistant resin which is insoluble in a solvent at room temperature but becomes soluble by heating, and (C) a solvent; a heat-resistant resin paste further containing (D) particles or liquid state material D showing rubber elasticity; and a semiconductor device using the same and a method for producing the same.
    Type: Application
    Filed: April 14, 2006
    Publication date: August 17, 2006
    Inventors: Yasuhiro Yano, Hidekazu Matsuura, Yoshihiro Nomura, Yoshii Morishita, Touichi Sakata, Hiroshi Nishizawa, Toshiaki Tanaka, Masaaki Yasuda, Aizou Kaneda
  • Publication number: 20060138616
    Abstract: An adhesive film for semiconductor, which comprises at least one resin layer, and, after bonded to a lead frame, has at 25° C. a 90°-peel strength of at least 5 N/m between the resin layer and the lead frame, and, after a lead frame is bonded to the adhesive film for semiconductor and sealed with a sealing material, has at least at one point of temperatures ranging from 0 to 250° C. a 90°-peel strength of at most 1000 N/m between the resin layer and each of the lead frame and the sealing material; a lead frame and a semiconductor device using the adhesive film for semiconductor; and a method of producing a semiconductor device.
    Type: Application
    Filed: February 6, 2006
    Publication date: June 29, 2006
    Inventors: Toshiyasu Kawai, Hidekazu Matsuura
  • Patent number: 7061081
    Abstract: There are disclosed a resin composition comprising (A) a heat-resistant resin soluble in a solvent at room temperature, (B) a heat-resistant resin which is insoluble in a solvent at room temperature but becomes soluble by heating, and (C) a solvent; a heat-resistant resin paste further containing (D) particles or liquid state material D showing rubber elasticity; and a semiconductor device using the same and a method for producing the same.
    Type: Grant
    Filed: March 6, 2001
    Date of Patent: June 13, 2006
    Assignee: Hitachi Chemical Co., Ltd.
    Inventors: Yasuhiro Yano, Hidekazu Matsuura, Yoshihiro Nomura, Yoshii Morishita, Touichi Sakata, Hiroshi Nishizawa, Toshiaki Tanaka, Masaaki Yasuda, Aizou Kaneda
  • Patent number: 7057266
    Abstract: An adhesive film for semiconductor, which comprises at least one resin layer, and, after bonded to a lead frame, has at 25° C. a 90°-peel strength of at least 5 N/m between the resin layer and the lead frame, and, after a lead frame is bonded to the adhesive film for semiconductor and sealed with a sealing material, has at least at one point of temperatures ranging from 0 to 250° C. a 90°-peel strength of at most 1000 N/m between the resin layer and each of the lead frame and the sealing material; a lead frame and a semiconductor device using the adhesive film for semiconductor; and a method of producing a semiconductor device.
    Type: Grant
    Filed: December 15, 2003
    Date of Patent: June 6, 2006
    Assignee: Hitachi Chemical Co., Ltd.
    Inventors: Toshiyasu Kawai, Hidekazu Matsuura
  • Publication number: 20060043607
    Abstract: An adhesive film for semiconductor use of the present invention is used in a method in which, after the adhesive film for semiconductor use is laminated to one side of a metal sheet, the metal sheet is processed to give a wiring circuit, a semiconductor die is mounted and molded, and the adhesive film is then peeled off. The adhesive film includes a resin layer A formed on one side or both sides of a support film, the 90 degree peel strength between the resin layer A and the metal sheet prior to the processing of the metal sheet laminated with the adhesive film for semiconductor use to give the wiring circuit is 20 N/m or greater at 25° C., and the 90 degree peel strengths, after molding with a molding compound the wiring circuit laminated with the adhesive film for semiconductor use, between the resin layer A and the wiring circuit and between the resin layer A and the molding compound are both 1000 N/m or less at at least one point in the temperature range of 0° C. to 250° C.
    Type: Application
    Filed: February 19, 2004
    Publication date: March 2, 2006
    Inventors: Hidekazu Matsuura, Toshiyasu Kawai
  • Publication number: 20050255278
    Abstract: The present invention provides an adhesive film that combines low temperature adhesion with favorable wire bonding characteristics. The adhesive film used for bonding a semiconductor element to a target adherend comprises an adhesive layer formed on one surface, or both surfaces, of a heat resistant film, the adhesive layer comprises a resin A and a resin B, a glass transition temperature of the resin A is lower than a glass transition temperature of the resin B, and the adhesive layer has a sea-island structure, in which the resin A forms the sea, and the resin B forms the islands.
    Type: Application
    Filed: May 3, 2005
    Publication date: November 17, 2005
    Inventors: Hidekazu Matsuura, Kiyohide Tateoka, Tomohiro Nagoya, Yoshiyuki Tanabe
  • Patent number: 6849385
    Abstract: There are disclosed a photosensitive resin composition comprising: at least one photosensitive resin among a polyamide resin (A) having a repeating unit (U1) represented by general formula (I) below and a polyamideimide resin (B) having a repeating unit (U2) represented by general formula (II); and at least one photopolymerizable compound among a silane coupling agent (C) having a photopolymerizable unsaturated bond and a photopolymerizable unsaturated monomer (D) comprising a monomer (d1) having at least 5 photopolymerizable unsaturated bonds per molecule General formula (I): (in the formula, X1 denotes a trivalent organic group having an aromatic ring, Y1 denotes a divalent organic group having an aromatic ring, and R1 denotes a monovalent organic group having a photosensitive group) General formula (II): (in the formula, X2 and Y2 denote trivalent organic groups having an aromatic ring, and R2 denotes a monovalent organic group having a photosensitive group), a pattern production process using s
    Type: Grant
    Filed: July 3, 2002
    Date of Patent: February 1, 2005
    Assignee: Hitachi Chemical Co., Ltd.
    Inventors: Tomohiro Nagoya, Hidekazu Matsuura, Takehiro Shimizu
  • Publication number: 20040180286
    Abstract: There are disclosed a photosensitive resin composition comprising:
    Type: Application
    Filed: January 2, 2004
    Publication date: September 16, 2004
    Inventors: Tomohiro Nagoya, Hidekazu Matsuura, Takehiro Shimizu
  • Publication number: 20040124544
    Abstract: An adhesive film for semiconductor, which comprises at least one resin layer, and, after bonded to a lead frame, has at 25° C. a 90°-peel strength of at least 5 N/m between the resin layer and the lead frame, and, after a lead frame is bonded to the adhesive film for semiconductor and sealed with a sealing material, has at least at one point of temperatures ranging from 0 to 250° C a 90°-peel strength of at most 1000 N/m between the resin layer and each of the lead frame and the sealing material; a lead frame and a semiconductor device using the adhesive film for semiconductor; and a method of producing a semiconductor device.
    Type: Application
    Filed: December 15, 2003
    Publication date: July 1, 2004
    Inventors: Toshiyasu Kawai, Hidekazu Matsuura
  • Patent number: 6744133
    Abstract: An adhesive film for semiconductor comprises a support film, and adhesive layers formed on both surfaces of the support film, in which each adhesive layer comprises an adhesive having a glass transition temperature of 200° C. or less, a coefficient of linear expansion of 70 ppm or less, and a storage elastic modulus of 3 GPa or less, and the adhesive film has a total thickness of between 43 and 57 &mgr;m. A lead frame for semiconductor comprises a lead frame and an adhesive film for semiconductor according to the present invention. A semiconductor device comprises a lead frame and a semiconductor element, in which the lead frame and the semiconductor element are adhered to each other via an adhesive film for semiconductor according to the present invention.
    Type: Grant
    Filed: August 6, 2002
    Date of Patent: June 1, 2004
    Assignee: Hitachi Chemical Co., Ltd.
    Inventors: Yoshiyuki Tanabe, Hidekazu Matsuura
  • Patent number: 6733880
    Abstract: An adhesive film for semiconductor, which has a three-layer structure consisting of a support film having each face coated with an adhesive layer, each adhesive layer containing (A) a heat resistant thermoplastic resin having a glass transition temperature of 130 to 300° C., a water absorption of 3% by weight or less and a squeeze length of 2 mm or less, (B) an epoxy resin and (C) a trisphenol compound as an epoxy resin-curing agent; a lead frame with adhesive film; and a semiconductor device wherein the lead frame with adhesive film is bonded to a semiconductor element.
    Type: Grant
    Filed: June 11, 2002
    Date of Patent: May 11, 2004
    Assignee: Hitachi Chemical Co., Ltd.
    Inventors: Yoshiyuki Tanabe, Hidekazu Matsuura
  • Patent number: 6700185
    Abstract: An adhesive film for semiconductor, which comprises at least one resin layer, and, after bonded to a lead frame, has at 25° C. a 90°-peel strength of at least 5 N/m between the resin layer and the lead frame, and, after a lead frame is bonded to the adhesive film for semiconductor and sealed with a sealing material, has at least at one point of temperatures ranging from 0 to 250° C. a 90°-peel strength of at most 1000 N/m between the resin layer and each of the lead frame and the sealing material; a lead frame and a semiconductor device using the adhesive film for semiconductor; and a method of producing a semiconductor device.
    Type: Grant
    Filed: April 23, 2002
    Date of Patent: March 2, 2004
    Assignee: Hitachi Chemical Co., Ltd.
    Inventors: Toshiyasu Kawai, Hidekazu Matsuura
  • Publication number: 20030102573
    Abstract: An adhesive film for semiconductor comprises a support film, and adhesive layers formed on both surfaces of the support film, in which each adhesive layer comprises an adhesive having a glass transition temperature of 200° C. or less, a coefficient of linear expansion of 70 ppm or less, and a storage elastic modulus of 3 GPa or less, and the adhesive film has a total thickness of between 43 and 57 &mgr;m. A lead frame for semiconductor comprises a lead frame and an adhesive film for semiconductor according to the present invention. A semiconductor device comprises a lead frame and a semiconductor element, in which the lead frame and the semiconductor element are adhered to each other via an adhesive film for semiconductor according to the present invention.
    Type: Application
    Filed: August 6, 2002
    Publication date: June 5, 2003
    Inventors: Yoshiyuki Tanabe, Hidekazu Matsuura
  • Patent number: 6558500
    Abstract: Disclosed is a composite film, a method of producing a lead frame with the composite film attached, and a method of bonding a semiconductor chip to this lead frame having the composite film attached. The composite film includes a base film and an adhesive layer on one or both sides of the base film. The composite film has a thickness of T (&mgr;m), the base film has an edge tearing strength of R (kg/20 mm), the adhesive layer has a total thickness of A, and the base film has a thickness of B, T being related to R by a numerical formula R>0.6T-8 when T≦60, or by a numerical formula R≧28 when T>60, and A/B being 0.5 to 1.4.
    Type: Grant
    Filed: August 20, 2001
    Date of Patent: May 6, 2003
    Assignee: Hitachi Chemical Company, Ltd.
    Inventors: Hidekazu Matsuura, Yoshihiro Nomura