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:
May. 11, 1976
Filed:
Feb. 10, 1975
Applicant:
Inventor:
Casper S Molee, Bloomfield, NJ (US);
Assignee:
Victory Engineering Corporation, Springfield, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L / ;
U.S. Cl.
CPC ...
148188 ; 148190 ;
Abstract
A method of applying a boron dopant to silicon slices which comprises applying a dopant solution to the faces of each slice, packing a plurality of slices adjoining each other in a quartz boat and inserting the boat slowly into a tubular furnace. The boron surface of each slice is covered with alumina powder to eliminate sticking. After heating at 1350.degree. Celsius for four hours the slices are slowly pulled out of furnace.