Patents Assigned to D.T. Circuit Technology Co., Ltd.
  • Publication number: 20060254050
    Abstract: A fabricating method of a wiring board provided with passive elements is disclosed. The fabricating method includes coating one or both of resistive paste and dielectric paste on at least any one of first surfaces of a first metal foil and a second metal foil each of which has a first surface and a second surface; arranging an insulating board having thermo-plasticity and thermo-setting properties so as to face the first surface of the first metal foil, and arranging the first surface side of the second metal foil so as to face a surface different from a surface to which the first metal foil faces of the insulating board; forming a double-sided wiring board by stacking, pressurizing and heating the arranged first metal foil, insulating board, and second metal foil, and thereby integrating these; and patterning the first metal foil and/or the second metal foil.
    Type: Application
    Filed: July 20, 2006
    Publication date: November 16, 2006
    Applicants: Dai Nippon Printing Co., Ltd., D.T. Circuit Technology Co., Ltd.
    Inventors: Yoshitaka Fukuoka, Tooru Serizawa, Hiroshi Yagi, Osamu Shimada, Hiroyuki Hirai, Yuji Yamaguchi
  • Patent number: 7100276
    Abstract: A fabricating method of a wiring board provided with passive elements is disclosed. The fabricating method includes coating one or both of resistive paste and dielectric paste on at least any one of first surfaces of a first metal foil and a second metal foil each of which has a first surface and a second surface; arranging an insulating board having thermo-plasticity and thermo-setting properties so as to face the first surface of the first metal foil, and arranging the first surface side of the second metal foil so as to face a surface different from a surface to which the first metal foil faces of the insulating board; forming a double-sided wiring board by stacking, pressurizing and heating the arranged first metal foil, insulating board, and second metal foil, and thereby integrating these; and patterning the first metal foil and/or the second metal foil.
    Type: Grant
    Filed: December 29, 2004
    Date of Patent: September 5, 2006
    Assignees: Dai Nippon Printing Co., Ltd., D.T. Circuit Technology Co., Ltd.
    Inventors: Yoshitaka Fukuoka, Tooru Serizawa, Hiroshi Yagi, Osamu Shimada, Hiroyuki Hirai, Yuji Yamaguchi
  • Publication number: 20050126820
    Abstract: A fabricating method of a wiring board provided with passive elements is disclosed. The fabricating method includes coating one or both of resistive paste and dielectric paste on at least any one of first surfaces of a first metal foil and a second metal foil each of which has a first surface and a second surface; arranging an insulating board having thermo-plasticity and thermo-setting properties so as to face the first surface of the first metal foil, and arranging the first surface side of the second metal foil so as to face a surface different from a surface to which the first metal foil faces of the insulating board; forming a double-sided wiring board by stacking, pressurizing and heating the arranged first metal foil, insulating board, and second metal foil, and thereby integrating these; and patterning the first metal foil and/or the second metal foil.
    Type: Application
    Filed: December 29, 2004
    Publication date: June 16, 2005
    Applicants: Dai Nippon Printing Co., Ltd., D.T. Circuit Technology Co., Ltd.
    Inventors: Yoshitaka Fukuoka, Tooru Serizawa, Hiroshi Yagi, Osamu Shimada, Hiroyuki Hirai, Yuji Yamaguchi
  • Patent number: 6872893
    Abstract: A fabricating method of a wiring board provided with passive elements is disclosed. The fabricating method includes coating one or both of resistive paste and dielectric paste on at least any one of first surfaces of a first metal foil and a second metal foil each of which has a first surface and a second surface; arranging an insulating board having thermo-plasticity and thermo-setting properties so as to face the first surface of the first metal foil, and arranging the first surface side of the second metal foil so as to face a surface different from a surface to which the first metal foil faces of the insulating board; forming a double-sided wiring board by stacking, pressurizing and heating the arranged first metal foil, insulating board, and second metal foil, and thereby integrating these; and patterning the first metal foil and/or the second metal foil.
    Type: Grant
    Filed: June 4, 2002
    Date of Patent: March 29, 2005
    Assignees: Dai Nippon Printing Co., Ltd., D.T. Circuit Technology Co., Ltd.
    Inventors: Yoshitaka Fukuoka, Tooru Serizawa, Hiroshi Yagi, Osamu Shimada, Hiroyuki Hirai, Yuji Yamaguchi