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. 01, 2009
Filed:
Jul. 28, 2003
Applicant:
Hiroo Hongo, Tokyo, JP;
Inventor:
Hiroo Hongo, Tokyo, JP;
Assignee:
NEC Corporation, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 51/40 (2006.01);
U.S. Cl.
CPC ...
Abstract
A catalyst supporting substrate includes a first region () which is formed on a substrate (); and a second region () which is formed covering a part of the first region. The first region () includes a catalyst supporting portion () containing a first material. The second region () includes a catalyst portion () containing a second material which is different from the first material. The first material includes a metal containing at least one of elements selected from the second group to the fourteenth group of the periodic table or a compound thereof. The second material is a catalyst which grows carbon nanotubes in a vapor phase.