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:
Mar. 01, 1983
Filed:
Sep. 24, 1980
Applicant:
Inventors:
Antoon H Kipperman, Nuenen, NL;
Lambertus E Habraken, Waalre, NL;
Assignee:
Holec N.V., Utrecht, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B / ;
U.S. Cl.
CPC ...
264 61 ; 264 65 ; 264 66 ; 501-1 ;
Abstract
A process for the preparation of shaped, electrically conductive articles from silicon powder by sintering the powder while it is being pressed or sedimented in a mould at a temperature of 1150.degree.-1250.degree. C. in an inert atmosphere and in the presence of boron oxide, optionally followed by adding a further amount of boron into the sintered shaped article. The boron oxide, which is used in an amount of 0.1-11% by weight, based on the silicon powder, can be added in the form of an aqueous solution.