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.

Date of Patent:
Nov. 10, 2020

Filed:

Oct. 30, 2018
Applicant:

Asahi Kasei Kabushiki Kaisha, Tokyo, JP;

Inventors:

Hirotaka Kakizaki, Tokyo, JP;

Masaharu Sugimura, Tokyo, JP;

Shinichiro Tachibana, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08J 5/24 (2006.01); C03C 13/00 (2006.01); D03D 15/00 (2006.01); D06M 11/78 (2006.01); H05K 1/03 (2006.01); C08J 5/04 (2006.01); C03C 3/097 (2006.01); C03C 25/40 (2006.01); C03C 25/1095 (2018.01); D06M 101/00 (2006.01); B32B 15/14 (2006.01); B32B 5/26 (2006.01);
U.S. Cl.
CPC ...
C08J 5/24 (2013.01); C03C 3/097 (2013.01); C03C 13/00 (2013.01); C03C 25/1095 (2013.01); C03C 25/40 (2013.01); C08J 5/043 (2013.01); D03D 15/0011 (2013.01); D06M 11/78 (2013.01); H05K 1/0306 (2013.01); B32B 5/26 (2013.01); B32B 15/14 (2013.01); C03C 2213/00 (2013.01); C08J 2363/00 (2013.01); C08J 2363/02 (2013.01); C08J 2463/00 (2013.01); C08J 2463/04 (2013.01); D06M 2101/00 (2013.01); D10B 2101/06 (2013.01); H05K 2201/029 (2013.01);
Abstract

A glass cloth comprising a glass yarn woven together, the glass yarn comprising multiple glass filaments, wherein an amount of BOin a composition of the glass filaments is 15% by mass to 30% by mass, an amount of SiOin the composition thereof is 45% by mass to 60% by mass, and an amount of POin the composition thereof is 2% by mass to 8% by mass, and loss on ignition (LOI) of the glass cloth is 0.90% by mass to 2.0% by mass.


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