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:
Sep. 08, 2009
Filed:
Mar. 27, 2007
Masatoshi Ishii, Kawasaki, JP;
Kazunori Yamanaka, Kawasaki, JP;
Akihiko Akasegawa, Kawasaki, JP;
John David Baniecki, Kawasaki, JP;
Kazuaki Kurihara, Kawasaki, JP;
Teru Nakanishi, Kawasaki, JP;
Masatoshi Ishii, Kawasaki, JP;
Kazunori Yamanaka, Kawasaki, JP;
Akihiko Akasegawa, Kawasaki, JP;
John David Baniecki, Kawasaki, JP;
Kazuaki Kurihara, Kawasaki, JP;
Teru Nakanishi, Kawasaki, JP;
Fujitsu Limited, Kawasaki, JP;
Abstract
A superconducting tunable filter comprises a dielectric base plate; a patch-shaped resonator pattern formed of a superconducting material on the dielectric base plate; a top dielectric locally placed on the superconducting resonator pattern at a prescribed position and made of a material with an electric-field dependent permittivity; a conducting pattern formed on a top face of the top dielectric; and a bias voltage supply configured to apply a bias voltage between the conducting pattern and the superconducting resonator pattern.