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:
Jan. 20, 2015
Filed:
Mar. 14, 2012
Yudo Sugawara, Oshu, JP;
Yudo Sugawara, Oshu, JP;
Tokyo Electron Limited, Tokyo, JP;
Abstract
A lid opening and closing device for a semiconductor manufacturing apparatus having a partition wall configured to divide a carrier conveying region and a substrate conveying region, the partition wall having a conveying gateway with an edge portion, includes an exhaust port configured to discharge therethrough an atmospheric gas from a closed space formed between a carrier making contact with the edge portion of the conveying gateway and an opening/closing door, and a purge gas injecting part provided in the opening/closing door. The purge gas injecting part is configured to enter the internal space of a carrier lid through an opening formed on the front surface of the carrier lid, to inject a purge gas into the internal space of the carrier lid and to discharge an atmospheric gas existing in the internal space of the carrier lid into the closed space through another opening of the carrier lid.