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:
Jun. 21, 2022
Filed:
Jun. 05, 2019
Applicant:
Murata Manufacturing Co., Ltd., Nagaokakyo, JP;
Inventors:
Yoshimasa Nishi, Nagaokakyo, JP;
Sunao Fukutake, Nagaokakyo, JP;
Akira Moriya, Nagaokakyo, JP;
Kanto Iida, Nagaokakyo, JP;
Assignee:
MURATA MANUFACTURING CO., LTD., Nagaokakyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/1333 (2006.01); C09K 19/30 (2006.01); C09K 19/02 (2006.01); C09K 19/38 (2006.01); H05K 1/09 (2006.01);
U.S. Cl.
CPC ...
C09K 19/3066 (2013.01); C09K 19/02 (2013.01); C09K 19/3809 (2013.01); H05K 1/095 (2013.01); C09K 2219/03 (2013.01); H05K 2201/0141 (2013.01); H05K 2201/0145 (2013.01); H05K 2201/0179 (2013.01); H05K 2201/0191 (2013.01); H05K 2201/0195 (2013.01); H05K 2201/0209 (2013.01); H05K 2201/0355 (2013.01);
Abstract
A black liquid-crystal polymer film that contains a black pigment and a liquid crystal polymer and the black liquid-crystal polymer film has a lightness of 45 or less, a dielectric loss tangent of 0.0035 or less, a minimum dielectric breakdown strength of 60 kV/mm or more, and a maximum-to-minimum ratio of in-plane thermal linear expansion coefficient in the range of 1.0 to 2.5.