LEAD FRAME AND METHOD FOR MANUFACTURING SAME

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United States of America Patent

SERIAL NO

15785980

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Abstract

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Provided is a lead frame including: one or more solder bonding regions containing copper material or copper plating; and a molding resin adhesion region containing a copper oxide film. The solder bonding regions are exposed on a surface of the lead frame. Further, provided is a lead frame manufacturing method including: forming a resist film in a molding resin adhesion region that is included in a surface of a lead frame member made of copper, or that is included in a surface of a copper-plated lead frame member; forming a plating film by performing a metal plating process on one or more solder bonding regions included in the surface of the lead frame member; removing the resist film; and forming a copper oxide film by oxidizing the molding resin adhesion region.

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Patent Owner(s)

Patent OwnerAddress
MITSUI HIGH-TEC INC10-1 KOMINE 2-CHOME YAHATANISHI-KU KITAKYUSHU-SHI FUKUOKA 807-8588

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
FURUNO, Ryota Fukuoka, JP 6 9
ISHIBASHI, Takahiro Fukuoka, JP 16 205
KATSUDA, Takaaki Fukuoka, JP 2 8
KUBO, Kimihiko Fukuoka, JP 6 9

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