Title:
CARRIER-ATTACHED METAL FOIL, METAL-CLAD LAMINATE, AND PRINTED WIRING BOARD
Document Type and Number:
WIPO Patent Application WO/2023/189565
Kind Code:
A1
Abstract:
Provided is a carrier-attached metal foil in which the occurrence of fractures or cracks in the metal foil during handling thereof can be suppressed. The carrier-attached metal foil comprises a carrier, a release layer, and a metal foil in this order, wherein the tensile strength of the carrier is not less than 50.0 kgf/mm2 and the tensile strength of the metal foil is not less than 50.0 kgf/mm2.
Inventors:
SASAKI YUTA (JP)
TAKANASHI AKITOSHI (JP)
YOSHIKAWA KAZUHIRO (JP)
TAKANASHI AKITOSHI (JP)
YOSHIKAWA KAZUHIRO (JP)
Application Number:
PCT/JP2023/009939
Publication Date:
October 05, 2023
Filing Date:
March 14, 2023
Export Citation:
Assignee:
MITSUI MINING & SMELTING CO LTD (JP)
International Classes:
B32B15/20; B32B15/01; C25D1/04; C25D5/16; C25D7/06; H05K1/03
Domestic Patent References:
| WO2015080052A1 | 2015-06-04 | |||
| WO2016152390A1 | 2016-09-29 | |||
| WO2006107043A1 | 2006-10-12 |
Foreign References:
| JP2016050324A | 2016-04-11 | |||
| JP2014005507A | 2014-01-16 | |||
| JP2020183565A | 2020-11-12 |
Attorney, Agent or Firm:
TAKAMURA Masaharu et al. (JP)
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