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:
Jul. 04, 2000
Filed:
Aug. 21, 1995
Applicant:
Inventors:
Assignee:
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ; C07C / ; C07C / ;
U.S. Cl.
CPC ...
20415715 ; 20415747 ; 423446 ; 427523 ; 427553 ; 427554 ; 427558 ; 427559 ;
Abstract
The object of the present invention is to provide a treatment method to remove lattice defects and non-diamond elements that exist in a diamond or a diamond thin film. The treatment method whereby the aforementioned object is achieved is to have the diamond or the diamond thin film irradiated by ultra-violet light or heated in an oxygen ambient. According to said treatment method, it has become possible to obtain a diamond or a diamond thin film that is free from the adverse effects of lattice defects and non-diamond elements.