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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.:

US 11088313 B1

PDFFull Text
Date of Patent:
Aug. 10, 2021

Filed:

Mar. 08, 2017

Layered body

Applicant:

Mitsui Chemicals, Inc., Tokyo, JP;

Inventors:

Kazuhiro Tanimoto, Ichihara, JP;

Hiroyuki Sekino, Yokohama, JP;

Masaki Amano, Yokohama, JP;

Assignee:

MITSUI CHEMICALS, INC., Tokyo, JP;

Attorney:

Buchanan, Ingersoll & Rooney PC

Primary Examiner:

Bryan P Gordon

Int. Cl.
CPC ...
H01L 41/053 (2006.01); H01L 41/193 (2006.01); H01L 41/45 (2013.01); B32B 7/06 (2019.01); B32B 7/02 (2019.01); C08L 67/04 (2006.01); C09J 7/38 (2018.01); C09J 7/40 (2018.01); H01L 41/047 (2006.01); B32B 27/08 (2006.01); B32B 27/30 (2006.01); B32B 27/32 (2006.01);
U.S. Cl.
CPC ...
H01L 41/053 (2013.01); B32B 7/02 (2013.01); B32B 7/06 (2013.01); C08L 67/04 (2013.01); C09J 7/385 (2018.01); C09J 7/405 (2018.01); H01L 41/0471 (2013.01); H01L 41/193 (2013.01); H01L 41/45 (2013.01); B32B 27/08 (2013.01); B32B 27/308 (2013.01); B32B 27/32 (2013.01); B32B 2266/025 (2013.01); B32B 2307/204 (2013.01); B32B 2307/414 (2013.01); B32B 2307/748 (2013.01); B32B 2367/00 (2013.01); B32B 2405/00 (2013.01);
Abstract

A layered body includes: a polymer film (A), the polymer film (A) including an organic piezoelectric material having a weight average molecular weight of from 50,000 to 1,000,000, having a standardized molecular orientation MORc at a reference thickness of 50 μm of from 1.0 to 15.0 as measured by a microwave transmission molecular orientation analyzer, having a degree of crystallinity of from 20% to 80% as measured by a DSC method, and having an internal haze of 50% or less with respect to visible light; and a peelable protective film (B) that contacts one main face of the polymer film (A). The maximum indentation depth h max on a face of the protective film (B) that contacts the polymer film (A) is from 53 nm to 100 nm as measured by a nanoindentation method.

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