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:
Mar. 17, 2015
Filed:
Jul. 26, 2012
Kiichi Takahashi, Oshu, JP;
Terumi Kamada, Oshu, JP;
Ittetsu Oikawa, Oshu, JP;
Tokyo Electron Limited, Tokyo, JP;
Abstract
A heat treatment apparatus includes a vessel loading unit on which a substrate vessel configured to accommodate a plurality of substrates at a first interval is loaded, a substrate holder configured to hold the plurality of substrates at a second interval which is smaller than the first interval, a substrate transfer unit capable of supporting the substrates and configured to transfer the plurality of substrates between the substrate holder and the substrate vessel and includes at least two substrate supporting parts stacked with the first interval therebetween and configured to be simultaneously advanced and retreated relative to the substrate vessel and individually advanced and retreated relative to the substrate holder, and a control unit configured to control an upper one of the at least two substrate supporting parts to be in an inoperative state when a lower one is supporting the substrate.