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. 27, 2016
Filed:
Nov. 19, 2012
Applicant:
Toray Industries, Inc., Tokyo, JP;
Inventors:
Masato Horie, Otsu, JP;
Tadamasa Suzuki, Otsu, JP;
Tomohide Masuda, Otsu, JP;
Kozo Takahashi, Otsu, JP;
Assignee:
TORAY INDUSTRIES, INC., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 31/048 (2014.01); H01L 31/049 (2014.01); B32B 27/36 (2006.01); B32B 27/20 (2006.01); C08L 67/02 (2006.01); C08L 67/03 (2006.01); C08K 3/22 (2006.01); C08K 3/34 (2006.01); C08J 5/18 (2006.01); C08K 3/00 (2006.01);
U.S. Cl.
CPC ...
H01L 31/049 (2014.12); B32B 27/20 (2013.01); B32B 27/36 (2013.01); C08J 5/18 (2013.01); C08K 3/22 (2013.01); C08K 3/34 (2013.01); C08L 67/02 (2013.01); C08L 67/03 (2013.01); H01L 31/048 (2013.01); B32B 2307/538 (2013.01); B32B 2367/00 (2013.01); B32B 2457/12 (2013.01); C08K 3/0033 (2013.01); C08K 2003/2227 (2013.01); Y02E 10/50 (2013.01); Y10T 428/2443 (2015.01); Y10T 428/24355 (2015.01); Y10T 428/24405 (2015.01); Y10T 428/24413 (2015.01); Y10T 428/24421 (2015.01); Y10T 428/254 (2015.01); Y10T 428/256 (2015.01); Y10T 428/259 (2015.01); Y10T 428/31786 (2015.04);
Abstract
An object of the present invention is to provide a polyester film whose wet heat resistance is not reduced even when incorporated into a solar cell backsheet or solar cell. The polyester film according to the present invention has a peak count SPc_L (400 nm) of 100 to 700 and a peak count SPc_H (4,000 nm) of not more than 10 on at least one surface, the polyester film having an amount of terminal carboxyl groups of 0 to 20 eq/ton.