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.

Date of Patent:
Feb. 25, 2003

Filed:

Jun. 16, 1999
Applicant:
Inventors:

Yoshiyuki Tsuji, Akita, JP;

Masanori Fukui, Akita, JP;

Ken-ichi Hiroshima, Akita, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29D 2/200 ; B29D 2/300 ; B32B 1/08 ; B32B 2/100 ; B32B 2/172 ;
U.S. Cl.
CPC ...
B29D 2/200 ; B29D 2/300 ; B32B 1/08 ; B32B 2/100 ; B32B 2/172 ;
Abstract

A composite crucible for pulling up monocrystalline silicone, 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.


Find Patent Forward Citations

Tsuji, Yoshiyuki. (2003). Composite crucible, and preparation method and regeneration method thereof (U.S. Patent No. 6524668). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6524668

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

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