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.:
Date of Patent:
Apr. 17, 2012
Filed:
Feb. 17, 2009
Applicants:
Jun Tsutsumi, Kawasaki, JP;
Kazuhiro Matsumoto, Kawasaki, JP;
Inventors:
Jun Tsutsumi, Kawasaki, JP;
Kazuhiro Matsumoto, Kawasaki, JP;
Assignee:
Taiyo Yuden Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03H 7/38 (2006.01);
U.S. Cl.
CPC ...
Abstract
A substrate for mounting a filter has a connection line layer having a transmission line for connecting a filter, a ground layer placed below the connection line layer and having a ground, and an insulation layer placed between the transmission line and the ground layer and having a thickness which satisfies a characteristic impedance of the transmission line in a range 0.1 to 50 ohms, the characteristic impedance determined by the thickness and a dielectric constant of the insulation layer and a width of the transmission line.