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. 15, 1999
Filed:
Jun. 19, 1998
Applicant:
Inventors:
Yoshinobu Hiraishi, Kanagawa, JP;
Masafumi Ura, Kanagawa, JP;
Assignee:
Komatsu Electronic Metals Co., Ltd., Kanagawa, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C30B / ;
U.S. Cl.
CPC ...
117200 ; 117 14 ; 117 15 ; 117217 ; 117 34 ;
Abstract
An electrode is disposed at the lower end of a radiation screen. The electrode is made of single-crystal silicon. A circuit including a power source is established by contacting the electrode and the seed crystal to a silicon melt.