Patents Assigned to Tatsuta System Electronics Co, Ltd.
  • Shielding film, shielded printed circuit board, shielded flexible printed circuit board, method of manufacturing shielding film, and method of manufacturing shielded printed circuit board
    Patent number: 7709750
    Abstract: The invention includes a shielding film, which does not have breakage of a metal layer, and has excellent abrasion resistance and blocking resistance, and does not crack. The cover film 7 is provided on one surface of a separation film 6a, and an adhesive layer 8a is formed on the surface of the cover film 7 opposite to the separation film 6a via the metal layer. The cover film 7 has at least one hard layer 7a and at least one soft layer 7b, and the surface of the cover film 7 facing the separation film 6a is composed of the hard layer 7a.
    Type: Grant
    Filed: May 10, 2006
    Date of Patent: May 4, 2010
    Assignees: Tatsuta System Electronics Co, Ltd., Nippon Mektron, Ltd.
    Inventors: Kazuhiro Hashimoto, Syohei Morimoto, Yoshinori Kawakami, Kenji Kamino, Satoshi Ebihara, Hideaki Tanaka, Takahisa Akatsuka
  • SHIELDING FILM, SHIELDED PRINTED CIRCUIT BOARD, SHIELDED FLEXIBLE PRINTED CIRCUIT BOARD, METHOD OF MANUFACTURING SHIELDING FILM, AND METHOD OF MANUFACTURING SHIELDED PRINTED CIRCUIT BOARD
    Publication number: 20090038839
    Abstract: The invention includes a shielding film, which does not have breakage of a metal layer, and has excellent abrasion resistance and blocking resistance, and does not crack. The cover film 7 is provided on one surface of a separation film 6a, and an adhesive layer 8a is formed on the surface of the cover film 7 opposite to the separation film 6a via the metal layer. The cover film 7 has at least one hard layer 7a and at least one soft layer 7b, and the surface of the cover film 7 facing the separation film 6a is composed of the hard layer 7a.
    Type: Application
    Filed: May 10, 2006
    Publication date: February 12, 2009
    Applicants: TATSUTA SYSTEM ELECTRONICS Co., LTD, NIPPON MEKTRON, LTD
    Inventors: Kazuhiro Hashimoto, Syohei Morimoto, Yoshinori Kawakami, Kenji Kamino, Satoshi Ebihara, Hideaki Tanaka, Takahisa Akatsuka