US 12,031,213 B2
Laminate
Akira Furuya, Tokyo (JP); Tadaaki Kojima, Tokyo (JP); Hiroshi Suzuki, Tokyo (JP); and Fumiaki Naka, Tokyo (JP)
Assigned to Resonac Corporation, Tokyo (JP)
Appl. No. 17/595,570
Filed by SHOWA DENKO K.K., Tokyo (JP)
PCT Filed Jul. 9, 2020, PCT No. PCT/JP2020/026840
§ 371(c)(1), (2) Date Nov. 19, 2021,
PCT Pub. No. WO2021/020064, PCT Pub. Date Feb. 4, 2021.
Claims priority of application No. 2019-141027 (JP), filed on Jul. 31, 2019.
Prior Publication US 2022/0235468 A1, Jul. 28, 2022
Int. Cl. B32B 15/01 (2006.01); B32B 3/10 (2006.01); B32B 3/26 (2006.01); B32B 3/30 (2006.01); B32B 15/04 (2006.01); B32B 15/18 (2006.01); B32B 15/20 (2006.01); C23C 8/12 (2006.01); C23C 8/14 (2006.01); C23C 18/16 (2006.01); C23C 18/18 (2006.01); C23C 18/32 (2006.01); C23C 18/34 (2006.01); C23C 18/36 (2006.01); C23C 18/42 (2006.01); C23C 18/44 (2006.01); C23C 18/52 (2006.01); C23C 18/54 (2006.01); C23C 28/00 (2006.01); C23C 28/02 (2006.01); C23C 30/00 (2006.01); C25D 3/12 (2006.01); H01J 37/32 (2006.01); C22C 38/44 (2006.01); C23C 16/44 (2006.01)
CPC C23C 28/322 (2013.01) [B32B 3/10 (2013.01); B32B 3/266 (2013.01); B32B 3/30 (2013.01); B32B 15/01 (2013.01); B32B 15/015 (2013.01); B32B 15/017 (2013.01); B32B 15/018 (2013.01); B32B 15/04 (2013.01); B32B 15/043 (2013.01); B32B 15/18 (2013.01); B32B 15/20 (2013.01); C23C 8/12 (2013.01); C23C 8/14 (2013.01); C23C 18/1637 (2013.01); C23C 18/1651 (2013.01); C23C 18/1653 (2013.01); C23C 18/1689 (2013.01); C23C 18/1696 (2013.01); C23C 18/1848 (2013.01); C23C 18/32 (2013.01); C23C 18/34 (2013.01); C23C 18/36 (2013.01); C23C 18/42 (2013.01); C23C 18/44 (2013.01); C23C 18/52 (2013.01); C23C 18/54 (2013.01); C23C 28/02 (2013.01); C23C 28/021 (2013.01); C23C 28/023 (2013.01); C23C 28/028 (2013.01); C23C 28/321 (2013.01); C23C 28/345 (2013.01); C23C 30/00 (2013.01); C23C 30/005 (2013.01); C25D 3/12 (2013.01); H01J 37/32477 (2013.01); C22C 38/44 (2013.01); C23C 16/4404 (2013.01); C23C 18/1824 (2013.01); Y10T 428/1259 (2015.01); Y10T 428/12597 (2015.01); Y10T 428/12604 (2015.01); Y10T 428/12611 (2015.01); Y10T 428/12618 (2015.01); Y10T 428/1266 (2015.01); Y10T 428/12667 (2015.01); Y10T 428/12743 (2015.01); Y10T 428/1275 (2015.01); Y10T 428/12882 (2015.01); Y10T 428/12889 (2015.01); Y10T 428/12931 (2015.01); Y10T 428/12937 (2015.01); Y10T 428/12944 (2015.01); Y10T 428/12951 (2015.01); Y10T 428/12972 (2015.01); Y10T 428/12979 (2015.01); Y10T 428/12993 (2015.01); Y10T 428/24942 (2015.01); Y10T 428/2495 (2015.01); Y10T 428/24967 (2015.01); Y10T 428/24975 (2015.01); Y10T 428/249953 (2015.04); Y10T 428/26 (2015.01); Y10T 428/265 (2015.01)] 6 Claims
OG exemplary drawing
 
1. A laminate comprising a metallic base material, a nickel-containing plating film layer formed on the metallic base material, and a gold plating film layer formed on the nickel-containing plating film layer,
wherein pinholes in the gold plating film layer are sealed with a passive film having a thickness of 15 nm or greater,
wherein the passive film is formed on a surface of the nickel-containing plating layer by forcible oxidation of the nickel-containing plating layer.