Invention Grant
- Patent Title: Surface-treated copper foil, manufacturing method thereof, copper foil laminate including the same, and printed wiring board including the same
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Application No.: US17125329Application Date: 2020-12-17
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Publication No.: US11622445B2Publication Date: 2023-04-04
- Inventor: Sang Hwa Yoon , Chang Yol Yang , Jung Woo Seo , Young Ho Ryu , Kideok Song , Eun Sil Choi , Won Jin Beom , Hyung Cheol Kim
- Applicant: Iljin Materials Co., Ltd.
- Applicant Address: KR Iksan-si
- Assignee: Iljin Materials Co., Ltd.
- Current Assignee: Iljin Materials Co., Ltd.
- Current Assignee Address: KR Iksan-si
- Agency: Husch Blackwell LLP
- Priority: KR10-2019-0170662 20191219
- Main IPC: B32B15/08
- IPC: B32B15/08 ; C25D3/38 ; H05K1/09 ; H05K3/38 ; B32B15/20 ; C25D7/00 ; H05K1/02

Abstract:
Provided are: a surface-treated copper foil including a surface-treated layer formed on at least one side of an untreated copper foil and an oxidation preventing layer formed on the surface-treated layer, wherein the surface-treated layer contains copper particles having an average particle diameter of about 10 nm to about 100 nm and has a 10-point average roughness, Rz, of about 0.2 μm to about 0.5 μm and a gloss (Gs 60°) of about 200 or more, and the oxidation preventing layer contains nickel (Ni) and phosphorus (P); a manufacturing method thereof; a copper foil laminate including the same; and a printed wiring board including the same.
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