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. 18, 2008

Filed:

Jul. 08, 2003
Applicants:

Kiminori Tamai, Chuo-ku, JP;

Tadayoshi Iijima, Chuo-ku, JP;

Chieko Yamada, Chuo-ku, JP;

Shigeyo Miyamori, Chuo-ku, JP;

Inventors:

Kiminori Tamai, Chuo-ku, JP;

Tadayoshi Iijima, Chuo-ku, JP;

Chieko Yamada, Chuo-ku, JP;

Shigeyo Miyamori, Chuo-ku, JP;

Assignee:

TDK Corporation, Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B 37/06 (2006.01); B32B 37/14 (2006.01); B32B 37/26 (2006.01); C09J 5/04 (2006.01); B29C 65/54 (2006.01); C09J 5/06 (2006.01); B05D 3/12 (2006.01); B29C 65/56 (2006.01);
U.S. Cl.
CPC ...
Abstract

A functional film of the invention includes a microparticulate-containing layer containing functional microparticulates. The microparticulate-containing layer inhibits the occurrence of cracks even when drawn 10%. When the functional film includes a microparticulate-containing layer containing conductive microparticulates, the microparticulate-containing layer exhibits a surface resistivity after drawn 10% which is at most 10 times greater than the surface resistivity prior to drawing. The invention thus implements a functional film which is unsusceptible to reduction or loss of its function due to deformation.


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