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. 11, 2022
Filed:
Mar. 07, 2019
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Eun Yeong Kim, Daejeon, KR;
Sera Kim, Daejeon, KR;
Kwang Joo Lee, Daejeon, KR;
Sang Hwan Kim, Daejeon, KR;
Sung Chan Park, Daejeon, KR;
Mi Seon Yoon, Daejeon, KR;
Assignee:
LG CHEM, LTD., Seoul, KR;
Primary Examiner:
Int. Cl.
CPC ...
C09J 7/29 (2018.01); C09J 133/08 (2006.01); H01L 21/683 (2006.01);
U.S. Cl.
CPC ...
C09J 7/29 (2018.01); C09J 133/08 (2013.01); H01L 21/6836 (2013.01); C09J 2301/122 (2020.08); C09J 2301/208 (2020.08); C09J 2301/30 (2020.08); C09J 2475/006 (2013.01); Y10T 428/2809 (2015.01); Y10T 428/2848 (2015.01); Y10T 428/2891 (2015.01);
Abstract
A back grinding tape including a hard coating layer, an intermediate layer including a polyurethane-based resin, and an adhesive layer provided has an excellent water resistance, thus easily protecting patterns, and has an excellent adhesion between each layer, and thus each layer is not separated in the process of removing the tape, such that the back grinding tape is suitable for a back grinding process.