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. 04, 2003
Filed:
Jul. 30, 2002
Applicant:
Inventors:
Takashi Uemura, Itami, JP;
Kentaro Yoshida, Itami, JP;
Nobuyuki Okuda, Itami, JP;
Takeshi Hikata, Itami, JP;
Assignee:
Sumitomo Electric Industries, Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 5/322 ; B01D 6/912 ; B01D 7/102 ;
U.S. Cl.
CPC ...
B01D 5/322 ; B01D 6/912 ; B01D 7/102 ;
Abstract
A hydrogen permeable structure includes a base material ( ) including porous ceramic, and a hydrogen permeable film ( ) formed on the base material ( ), including palladium (Pd) and at least one element other than palladium and having an amount of hydrogen dissolution at a prescribed temperature smaller than that of palladium alone. The hydrogen permeable film ( ) is formed on the surface of the porous ceramic base by a physical vapor deposition technique after any pin holes in the surface of the base have been filled with a porous oxide material.