Title:
黒色液晶ポリマーフィルムおよび多層基板
Document Type and Number:
Japanese Patent JP6729718
Kind Code:
B2
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.
Inventors:
Yoshimasa Nishi
Fukutake honest
Akira Moriya
Iida Sweat
Fukutake honest
Akira Moriya
Iida Sweat
Application Number:
JP2018555023A
Publication Date:
July 22, 2020
Filing Date:
December 05, 2017
Export Citation:
Assignee:
MURATA MANUFACTURING CO.,LTD.
International Classes:
C08J5/18; B32B15/08; C08K3/04; H05K1/03; H05K3/46
Domestic Patent References:
| JP2006093438A | ||||
| JP2009179763A | ||||
| JP2013194225A | ||||
| JP2006299254A | ||||
| JP2013199599A | ||||
| JP2007147880A | ||||
| JP11302402A |
Attorney, Agent or Firm:
Asfi International Patent Office