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:
Aug. 17, 2021
Filed:
Apr. 16, 2019
Applicant:
Ltc Co., Ltd., Hwaseong-si, KR;
Inventors:
Hosung Choi, Seongnam-si, KR;
Kyusang Kim, Seongnam-si, KR;
Jongil Bae, Anyang-si, KR;
Jongsoon Lee, Suwon-si, KR;
Sangku Ha, Incheon, KR;
Yunmo Yang, Suwon-si, KR;
Assignee:
LTC Co., Ltd., Hwaseong-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C11D 7/32 (2006.01); G03F 7/42 (2006.01); C11D 7/34 (2006.01); C11D 7/50 (2006.01);
U.S. Cl.
CPC ...
G03F 7/425 (2013.01); C11D 7/3218 (2013.01); C11D 7/34 (2013.01); C11D 7/50 (2013.01);
Abstract
The present invention relates to a peeling solution composition for dry film resist, which is usable for manufacturing a PCB for forming a microcircuit, and particularly is applicable for a process of manufacturing a flexible multi-layer PCB.