LEAD FRAME AND METHOD FOR MANUFACTURING SAME

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United States of America Patent

SERIAL NO

15785980

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ATTORNEY / AGENT: (SPONSORED)

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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 INCFUKUOKA

International Classification(s)

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  • 2017 Application Filing Year
  • H01L Class
  • 30754 Applications Filed
  • 25260 Patents Issued To-Date
  • 82.14 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances2017201820192020202120222023202420250255075100

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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Patent Citation Ranking

  • 3 Citation Count
  • H01L Class
  • 23.71 % this patent is cited more than
  • 7 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges3689997611243481558461392216162801 - 1011 - 2021 - 3031 - 4041 - 5051 - 6061 - 7071 - 8081 - 9091 - 100100 +05001000150020002500300035004000450050005500600065007000750080008500900095001000010500

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