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. 01, 2021

Filed:

Mar. 13, 2019
Applicant:

Ablic Inc., Chiba, JP;

Inventor:

Koji Tsukagoshi, Chiba, JP;

Assignee:

ABLIC Inc., Chiba, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 23/495 (2006.01); H01L 23/00 (2006.01); H01L 21/56 (2006.01); H01L 21/48 (2006.01); H01L 23/31 (2006.01);
U.S. Cl.
CPC ...
H01L 23/49513 (2013.01); H01L 21/4828 (2013.01); H01L 21/561 (2013.01); H01L 21/565 (2013.01); H01L 23/315 (2013.01); H01L 23/49548 (2013.01); H01L 24/29 (2013.01); H01L 24/49 (2013.01); H01L 24/73 (2013.01); H01L 24/96 (2013.01); H01L 2224/73265 (2013.01);
Abstract

A semiconductor device includes: a die pad; a semiconductor chip mounted on the die pad; a lead having an outer lead part and an inner lead par which is set up by a lead leg part extending from the outer lead part; an encapsulating resin sealing the die pad, the semiconductor chip, and the lead so that the lead is partially exposed; a support resin part provided on a bottom surface of the inner lead part, the support resin part being a portion of the encapsulating resin; and a notch part where the encapsulating resin is absent, and locating in a region surrounded by a bottom surface of the support resin part, an outer side surface of the outer lead part and an outer side surface of the lead leg part.


Find Patent Forward Citations

Loading…