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 7498919 B1

PDF
Full Text
Expired
Date of Patent:
Mar. 03, 2009

Filed:

Mar. 16, 2007
Applicants:

Toshiyasu Fujiwara, Tokyo, JP;

Kyung-ku Choi, Tokyo, JP;

Inventors:

Toshiyasu Fujiwara, Tokyo, JP;

Kyung-Ku Choi, Tokyo, JP;

Assignee:

TDK Corporation, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F 5/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A thin film device, which can maintain desirable performance characteristics by reducing parasitic capacitance and increasing the Q factor even when a thin film coil of a solenoid type is equipped, is provided. The thin film coil of a solenoid type has a cross sectional width which varies with position along a film thickness direction.


Find Patent Forward Citations

Fujiwara, Toshiyasu. (2009). Thin film device (U.S. Patent No. 7498919). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7498919

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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