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:
Oct. 30, 2018
Filed:
Jan. 17, 2013
Applicant:
Tokyo Ohka Kogyo Co., Ltd., Kawasaki, JP;
Inventors:
Yasushi Fujii, Kawasaki, JP;
Shinji Takase, Kawasaki, JP;
Assignee:
TOKYO OHKA KOGYO CO., LTD., Kawasaki-Shi, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B 38/10 (2006.01); B32B 43/00 (2006.01); H01L 21/683 (2006.01); B32B 38/00 (2006.01);
U.S. Cl.
CPC ...
B32B 43/006 (2013.01); B32B 38/0008 (2013.01); H01L 21/6835 (2013.01); B32B 38/10 (2013.01); B32B 2310/0843 (2013.01); B32B 2457/14 (2013.01); H01L 2221/6834 (2013.01); H01L 2221/68318 (2013.01); Y10T 156/1158 (2015.01); Y10T 156/1195 (2015.01); Y10T 156/1917 (2015.01); Y10T 156/1994 (2015.01);
Abstract
A supporting member separation method of separating a laminate formed by laminating a substrate, an adhesive layer, a release layer which is changed in quality by absorbing light, and a support plate in this order, the method including an irradiation step in which irradiation of laser light which is pulse-oscillated with a pulse having a pulse width of 20 ns or greater is performed to the release layer.