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:
Mar. 02, 2021
Filed:
Jun. 13, 2019
Applicant:
Nichia Corporation, Anan, JP;
Inventor:
Mayumi Fukuda, Tokushima, JP;
Assignee:
NICHIA CORPORATION, Anan, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 21/48 (2006.01); H01L 23/495 (2006.01); H01L 33/32 (2010.01); H01L 33/48 (2010.01); H01L 33/56 (2010.01); H01L 33/60 (2010.01); H01L 33/62 (2010.01); H01L 23/00 (2006.01);
U.S. Cl.
CPC ...
H01L 21/4842 (2013.01); H01L 23/49548 (2013.01); H01L 23/49565 (2013.01); H01L 33/32 (2013.01); H01L 33/486 (2013.01); H01L 33/56 (2013.01); H01L 33/60 (2013.01); H01L 33/62 (2013.01); H01L 24/48 (2013.01); H01L 24/97 (2013.01); H01L 2224/48091 (2013.01); H01L 2224/48247 (2013.01); H01L 2224/48257 (2013.01); H01L 2924/00014 (2013.01); H01L 2933/005 (2013.01); H01L 2933/0033 (2013.01); H01L 2933/0058 (2013.01); H01L 2933/0066 (2013.01);
Abstract
A method for manufacturing a lead frame including: punching a metal plate disposed on a die with a punch in a direction from the metal plate toward a die side to form a punched metal, the punched metal including at least one electrode, at least one hanger lead separated from the at least one electrode, and an outer frame connected to the at least one electrode and the at least one hanger lead; and stamping at least part of a corner of an end of the at least one hanger lead, the corner being on a side corresponding to the die side, with a vertically split mold to form at least one chamfered surface.