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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.

Patent No.:

US 10276478 B1

PDFFull Text
Date of Patent:
Apr. 30, 2019

Filed:

Feb. 07, 2018

Lead frame

Applicant:

Shinko Electric Industries Co., Ltd., Nagano-shi, Nagano, JP;

Inventors:

Kentaro Kaneko, Nagano, JP;

Yoshio Furuhata, Nagano, JP;

Mitsuharu Sato, Nagano, JP;

Toshio Masuda, Nagano, JP;

Assignee:

SHINKO ELECTRIC INDUSTRIES CO., LTD., Nagano-Shi, JP;

Attorney:

Rankin, Hill & Clark LLP

Primary Examiner:

Xiaoliang Chen

Int. Cl.
CPC ...
H01L 23/495 (2006.01); H01L 21/48 (2006.01); H01L 23/13 (2006.01); H01L 23/00 (2006.01); H01L 21/673 (2006.01); H01L 23/31 (2006.01); H01L 23/14 (2006.01);
U.S. Cl.
CPC ...
H01L 23/49541 (2013.01); H01L 21/4828 (2013.01); H01L 23/13 (2013.01); H01L 23/49548 (2013.01); H01L 24/97 (2013.01); H01L 21/67363 (2013.01); H01L 23/14 (2013.01); H01L 23/3114 (2013.01); H01L 23/49582 (2013.01); H01L 24/32 (2013.01); H01L 24/45 (2013.01); H01L 24/48 (2013.01); H01L 24/73 (2013.01); H01L 2224/32245 (2013.01); H01L 2224/45144 (2013.01); H01L 2224/45147 (2013.01); H01L 2224/48091 (2013.01); H01L 2224/48106 (2013.01); H01L 2224/48247 (2013.01); H01L 2224/73265 (2013.01); H01L 2924/00014 (2013.01); H01L 2924/181 (2013.01); H01L 2924/18165 (2013.01);
Abstract

A lead frame includes an outer frame. The outer frame includes: an upper surface; a lower surface that is opposite to the upper surface; a side surface between the upper surface and the lower surface; a first recess that is formed to extend from the upper surface to the side surface; a second recess that is formed to extend from the lower surface to the side surface; and a curved surface that is positioned between the side surface and a side wall of the first recess or between the side surface and a side wall of the second recess.

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