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:
Jun. 06, 2017
Filed:
Oct. 13, 2011
Applicants:
Stephen M. Sirard, Austin, TX (US);
Diane Hymes, San Jose, CA (US);
Alan M. Schoepp, Ben Lemond, CA (US);
Inventors:
Stephen M. Sirard, Austin, TX (US);
Diane Hymes, San Jose, CA (US);
Alan M. Schoepp, Ben Lemond, CA (US);
Assignee:
Law Research Corporation, Fremont, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F26B 5/06 (2006.01); H01L 21/02 (2006.01); H01L 21/67 (2006.01); H01L 21/683 (2006.01);
U.S. Cl.
CPC ...
H01L 21/02057 (2013.01); H01L 21/67034 (2013.01); H01L 21/67109 (2013.01); H01L 21/67115 (2013.01); H01L 21/67248 (2013.01); H01L 21/6831 (2013.01);
Abstract
An apparatus for freeze drying a substrate is provided. A chamber for receiving a substrate is provided. An electrostatic chuck (ESC) for supporting and electrostatically clamping the substrate is within the chamber. A temperature controller controls the temperature of the electrostatic chuck. A condenser is connected to the chamber. A vacuum pump is in fluid connection with the chamber.