Patent ID: 11955410
Assignee: SHINKO ELECTRIC INDUSTRIES CO., LTD.
Field: Semiconductors (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. An electronic component apparatus comprising:
a first lead frame;
a second lead frame that is provided on the first lead frame;
a first electronic component that is provided between the first lead frame and the second lead frame;
a connection member that is provided between the first lead frame and the second lead frame; and
an insulating resin that is filled between the first lead frame and the second lead frame so as to cover the first electronic component and the connection member;
wherein:
a first oxide film is provided to cover a surface of the first lead frame;
a second oxide film is provided to cover a surface of the second lead frame;
a first connection portion exposed from the first oxide film is provided on the surface of the first lead frame;
a second connection portion exposed from the second oxide film is provided on the surface of the second lead frame;
a surface roughness of the first connection portion is smaller than a surface roughness of the first oxide film;
a surface roughness of the second connection portion is smaller than a surface roughness of the second oxide film;
the connection member has a solder;
the first connection portion and the second connection portion are bonded to the connection member;
the first connection portion and the second connection portion are electrically connected to each other by the connection member;
the first lead frame is made of a first material, and the first oxide film is made of an oxide of the first material, and
the second lead frame is made of a second material, and the second oxide film is made of an oxide of the second material.