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. 20, 1982
Filed:
May. 09, 1980
Herbert M Strong, Schenectady, NY (US);
General Electric Company, Worthington, OH (US);
Abstract
Means are described for suppressing spontaneous diamond nucleation in the vicinity of diamond seed material located in reaction vessel construction used in the growth of diamond by the process disclosed in U.S. Pat. No. 3,297,407--Wentorf, Jr. In assembly of the reaction vessel a portion of the lower surface of the plug of catalyst-solvent metal is disposed in contact with the diamond seed material. Preferably all of the balance of the lower surface area of the catalyst-solvent plug adjacent the seed material is covered with a disc or layer of a material different from the catalyst-solvent metal employed and selected from a list of specific materials that suppress diamond nucleation.