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.:

US 6808744 B1

PDF
Full Text
Expired
Date of Patent:
Oct. 26, 2004

Filed:

Jan. 28, 2003
Applicant:
Inventors:

Yoshiyuki Tsuji, Akita, JP;

Masanori Fukui, Akita, JP;

Ken-ichi Hiroshima, Akita, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B05D 7/22 ;
U.S. Cl.
CPC ...
B05D 7/22 ;
Abstract

A composite crucible for pulling up monocrystalline silicon, which is superior in shape stability and suitable for a large-sized one is provided. The composite crucible is characterized in that a carbonaceous material as an outer layer and a quartz glass as an inner layer are integrally formed. Methods for preparing and regenerating a composite crucible are also disclosed.


Find Patent Forward Citations

Tsuji, Yoshiyuki. (2004). Method for preparing and regenerating a composite crucible (U.S. Patent No. 6808744). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6808744

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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