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:
Apr. 05, 2016

Filed:

Nov. 01, 2013
Applicant:

Tokyo Electron Limited, Tokyo, JP;

Inventors:

Masamichi Hara, Nirasaki, JP;

Tetsuya Miyashita, Nirasaki, JP;

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F16K 51/02 (2006.01); H01L 21/67 (2006.01);
U.S. Cl.
CPC ...
F16K 51/02 (2013.01); H01L 21/67201 (2013.01); Y10T 137/86083 (2015.04);
Abstract

Provided is a load lock device which includes: a container with an opening formed therein and configured to be selectively maintained at an atmospheric environment and a vacuum atmosphere; a holding unit arranged within the container and configured to hold objects to be processed; an elevation mechanism configured to vertically move the holding unit; and a pressure regulating mechanism configured to vacuum-evacuate the container through the opening of the container. The elevation mechanism includes at least two vertically-extended elevation shaft members connected to the holding unit; and a drive unit configured to vertically move the elevation shaft members. The elevation shaft members are arranged opposite each other with the opening interposed therebetween.


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