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:
Nov. 30, 2004
Filed:
Aug. 18, 2003
Applicant:
Inventors:
Nobuo Ishii, Osaka-fu, JP;
Yasuyoshi Yasaka, Sudome, Kohata, Uji-Shi, Kyoto-fu, JP;
Assignee:
Other;
Primary Examiner:
Int. Cl.
CPC ...
C23C 1/600 ; C23C 1/400 ; H05H 1/00 ;
U.S. Cl.
CPC ...
C23C 1/600 ; C23C 1/400 ; H05H 1/00 ;
Abstract
An electromagnetic wave absorber ( ) of a material that causes a large dielectric or magnetic loss is disposed so as to surround a region between a high-frequency wave transmitting window ( ) and an antenna ( ) to suppress the formation of a sanding wave by suppressing the reflection of microwaves.