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:
Aug. 21, 2012

Filed:

Mar. 05, 2009
Applicant:

Peter G. Borden, San Mateo, CA (US);

Inventor:

Peter G. Borden, San Mateo, CA (US);

Assignee:

Applied Materials, Inc., Santa Clara, CA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 21/677 (2006.01);
U.S. Cl.
CPC ...
Abstract

An apparatus with a plurality of load-lock chambers stacked having independently controlled pressures within their interior regions is provided. According to one or more embodiments, each load-lock chamber includes a pump valve connected to a pump line and a vent valve connected to a vent line to independently control the changes of pressure within the interior regions of the chambers. Methods for conveying substrates held within these chambers from the apparatus to one or more processing chambers, which may be in-line, are also provided.


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