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. 11, 2014

Filed:

Apr. 04, 2005
Applicants:

Yoshinori Nanba, Settsu, JP;

Yasuhiko Sawada, Settsu, JP;

Shunji Kasai, Settsu, JP;

Shuji Tagashira, Settsu, JP;

Makoto Ono, Settsu, JP;

Takahiro Taira, Settsu, JP;

Hiroyuki Yoshimoto, Settsu, JP;

Inventors:

Yoshinori Nanba, Settsu, JP;

Yasuhiko Sawada, Settsu, JP;

Shunji Kasai, Settsu, JP;

Shuji Tagashira, Settsu, JP;

Makoto Ono, Settsu, JP;

Takahiro Taira, Settsu, JP;

Hiroyuki Yoshimoto, Settsu, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 259/08 (2006.01); C08F 214/26 (2006.01); C08F 14/26 (2006.01); H05K 1/03 (2006.01); H05K 1/02 (2006.01);
U.S. Cl.
CPC ...
C08F 214/26 (2013.01); C08F 259/08 (2013.01); C08F 14/26 (2013.01); C08F 214/262 (2013.01); H05K 1/024 (2013.01); H05K 1/0373 (2013.01); H05K 2201/015 (2013.01); H05K 2201/0212 (2013.01);
Abstract

The present invention provides a polytetrafluoroethylene powder having moldability/processability as well as electrical characteristics in microwave bands. The present invention is a modified polytetrafluoroethylene powder which has (1) a dielectric loss tangent at 12 GHz of not higher than 2.0×10and (2) a cylinder extrusion pressure of not higher than 45 MPa at a reduction ratio of 1600.


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