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:
Sep. 03, 2002
Filed:
Jul. 30, 2001
Takanori Saito, Shiroyama-Machi, JP;
Hisaei Osanai, Shiroyama-Machi, JP;
Toshiyuki Makiya, Shiroyama-Machi, JP;
Tokyo Electron Limited, Tokyo-To, JP;
Abstract
The heat treatment apparatus has the reaction vessel and the holding tool contained in the reaction vessel for holding a plurality of objects to be processed. The lower end of the reaction vessel is closed by the cover and the insulating unit is installed between the cover and the holding tool. On the top of the insulating unit, the heating unit having a heating resistor composed of a carbon material of high-purity sealed in a quartz plate is installed. Heat insulators are installed under the heating unit. The insulating unit is fixed to the cover, and the revolving shaft for rotating the holding tool passes in the center of the insulating unit, and the electric feeding line member for feeding electric power to the heating unit is arranged outside of the insulating unit.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile