The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jun. 14, 2022

Filed:

Apr. 14, 2020
Applicant:

Mitsubishi Electric Corporation, Tokyo, JP;

Inventor:

Daisuke Murata, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 23/49 (2006.01); H01L 21/48 (2006.01); H01L 23/492 (2006.01); H01L 23/31 (2006.01); H01L 23/00 (2006.01);
U.S. Cl.
CPC ...
H01L 23/492 (2013.01); H01L 21/4871 (2013.01); H01L 23/3114 (2013.01); H01L 24/13 (2013.01); H01L 24/45 (2013.01); H01L 24/73 (2013.01); H01L 24/85 (2013.01);
Abstract

According to an aspect of the present disclosure, a semiconductor device includes a base plate, a first semiconductor chip provided above the base plate, a bonding wire joined with the first semiconductor chip at a first joint part and having a curved part above the first joint part, a first sealing member provided from an upper surface of the base plate up to a height higher than the first joint part and lower than the curved part, the first sealing member covering the first joint part and a second sealing member provided on the first sealing member, covering the curved part, and having an elastic modulus lower than an elastic modulus of the first sealing member.


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