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:
Jun. 06, 1978
Filed:
Oct. 15, 1976
Guy Michel Jacob, Creteil, FR;
U.S. Philips Corporation, New York, NY (US);
Abstract
The invention relates to a method for the synthesis of a semiconductor compound comprising at least one element of column III of the periodic table of Mendeleev, and an element of column V having a vapor pressure higher than that of element(s) III at the synthesis temperature of the said compound, and according to which, in a closed space, a liquid mass of element(s) III, placed in a first zone of said space which is heated at relatively high temperatures and is contacted with vapors obtained by evaporation of element V, said element V being placed in a second zone of the said space in a non-gaseous form, the evaporation temperature of element V being higher than that of the coldest point provided in a third zone of the said space, and the said first zone being situated between the second and the third zone.