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. 30, 2002
Filed:
Jan. 25, 2001
Applicant:
Inventors:
Evangellos Vekris, Plano, TX (US);
Nainesh J. Patel, Plano, TX (US);
Murali Hanabe, Dallas, TX (US);
Assignee:
Ball Semiconductor, Inc., Allen, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 2/1225 ;
U.S. Cl.
CPC ...
H01L 2/1225 ;
Abstract
A method for doping crystals is disclosed. The method includes a receiver for receiving semiconductor spheres and doping powder. The semiconductor spheres and dopant powder are then directed to a chamber defined within an enclosure. The chamber maintains a heated, inert atmosphere with which to diffuse the dopant to the semiconductor spheres.