Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
COMPOSITE METAL FOIL AND PRODUCTION METHOD OF THE SAME, AS WELL AS PRINTED WIRING BOARD
Document Type and Number:
Japanese Patent JP2016168687
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a composite metal foil having peel strength stabilized at a low level even after a heating and compression process, and to provide a production method of the same.SOLUTION: A composite metal foil 1 has a structure having a carrier 2 composed of a metal foil, a diffusion preventing layer 3 formed on a surface of the carrier 2, a release layer 4 configured with a metal and formed on the diffusion preventing layer 3 by a physical film deposition method, and a transfer layer 5 configured with a metal and formed on the release layer 4 by a plating method, in which the metal configuring the release layer 4 is an element identical to the metal configuring the transfer layer 5, and the release layer 4 is formed such that it has a predetermined film density by the physical film deposition method.SELECTED DRAWING: Figure 1

Inventors:
OSHIRO YUKIHIRO
SHIRAI YUKI
INAMORI TADAHIRO
UCHIKOSHI MASAMI
Application Number:
JP2015048328A
Publication Date:
September 23, 2016
Filing Date:
March 11, 2015
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
FUKUDA METAL FOIL & POWDER CO LTD
OIKE KOGYO KK
International Classes:
B32B15/01; B32B15/08; C25D1/04; C25D7/06; H05K1/09
Attorney, Agent or Firm:
Masashi Moriwaki