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:
Aug. 10, 1999
Filed:
Jun. 13, 1997
Applicant:
Inventors:
Hideki Tsuji, Hiratsuka, JP;
Mitsunori Kawabata, Hiratsuka, JP;
Yoshinobu Hiraishi, Hiratsuka, JP;
Ryo Yamagishi, Hiratsuka, JP;
Assignee:
Komatsu Electronic Metals, Co., Ltd., Kanagawa, JP;
Primary Examiner:
Int. Cl.
CPC ...
C34B / ;
U.S. Cl.
CPC ...
117208 ; 117200 ; 117201 ; 117202 ;
Abstract
A weight control in diameter method by using a load cell is applied to a wire-single crystal silicon pulling mechanism, such that the weight of single crystal silicon can be correctly measured, thereby obtaining superior control in diameter and reducing the cost of manufacturing the single crystal silicon.