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.:
Date of Patent:
Dec. 26, 2017
Filed:
Oct. 16, 2015
Applicant:
Mitsui High-tec , Inc., Kitakyushu-shi, Fukuoka, JP;
Inventor:
Takahiro Ishibashi, Fukuoka, JP;
Assignee:
MITSUI HIGH-TEC, INC., Fukuoka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 23/495 (2006.01); H01L 21/56 (2006.01); H01L 23/00 (2006.01);
U.S. Cl.
CPC ...
H01L 21/56 (2013.01); H01L 21/566 (2013.01); H01L 23/49565 (2013.01); H01L 24/97 (2013.01); H01L 21/568 (2013.01); H01L 2224/48091 (2013.01); H01L 2224/48247 (2013.01); H01L 2924/181 (2013.01);
Abstract
A lead frame includes a lead frame body processed in a predetermined shape, and including a notched part provided at an end of the lead frame body, the notched part being used as a starting point of tape-removing, a resin leakproof tape stuck on a back surface of the lead frame body, and a region of a periphery of the notched part in the back surface of the lead frame body, the region being reduced in a strength of bonding between the resin leakproof tape and the lead frame body is reduced relative to other region.