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:
Aug. 01, 1978
Filed:
May. 19, 1976
Dmitry Valerianovich Fedoseev, Moscow, SU;
Boris Vladimirovich Deryagin, Moscow, SU;
Valentin Nikolaevich Bakul, Kiev, SU;
Alexei Iosifovich Prikhna, Kiev, SU;
Valentin Pavlovich Varnin, Moscow, SU;
Stanislav Pavlovich Vnukov, Moscow, SU;
Valentin Korneevich Gerasimenko, Kiev, SU;
Jury Ivanovich Nikitin, Kiev, SU;
Nekhemyan Veniaminovich Tsypin, Kiev, SU;
Anatoly Vasilievich Hochko, Kiev, SU;
Institut Sverkhtverdykh Materialov SSR, Kiev, SU;
Institut Fizicheskoi Khimii Akademii Nauk, Moscow, SU;
Abstract
A method of preparing a polycrystalline diamond member comprising sintering diamond particles having deposited thereon, not only diamond coating, but also diamond-graphite coating In the epitaxial method of coating according to the invention, diamond particles may be the finest ones of a size smaller than one micron. The resulting compact member is characterized in the absence of marked graphite inclusions, and diamond cleavage between the particles results in a considerable improvement of the strength of the compact member.