Multilayer carrier foil

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United States of America Patent

PATENT NO 9955588
SERIAL NO

15361983

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The present disclosure relates to a multilayer carrier foil, a core structure formed using the multilayer carrier foil, printed circuit boards, and electronic devices. The multilayer carrier foil comprises: (a) a copper carrier layer having a release side and a laminate side, the laminate side of carrier layer optionally having nodules; (b) a chromium release layer applied to the copper carrier layer; (c) an intermediate copper layer applied to the chromium release layer; (d) an anti-migration layer applied to the intermediate copper layer of (c); and (e) an ultra-thin copper layer applied to the anti-migration layer of (d). The disclosure further relates to methods of making the multi-layer carrier foil, the core structure, and printed circuit boards.

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Patent Owner(s)

Patent OwnerAddress
CHANG CHUN PETROCHEMICAL CO LTDTAIPEI CITY 104070

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Cheng, Kuei-Sen Taipei, TW 26 88
Chou, Jui-Chang Taipei, TW 42 76
Lai, Yao-Sheng Taipei, TW 43 65

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