Method and apparatus for gas flow measurement

Measuring and testing – Volume or rate of flow – By measuring electrical or magnetic properties

Reexamination Certificate

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C205S157000

Reexamination Certificate

active

07743670

ABSTRACT:
A method and apparatus for measuring gas flow are provided. In one embodiment, a calibration circuit for gas control may be utilized to verify and/or calibrate gas flows utilized for backside cooling, process gas delivery, purge gas delivery, cleaning agent delivery, carrier gases delivery and remediation gas delivery, among others.

REFERENCES:
patent: 6119710 (2000-09-01), Brown
patent: 6216726 (2001-04-01), Brown et al.
patent: 6299753 (2001-10-01), Chao et al.
patent: 6508913 (2003-01-01), McMillin et al.
patent: 6704667 (2004-03-01), Wei et al.
patent: 2003/0145791 (2003-08-01), Shinya et al.
patent: 2003/0190804 (2003-10-01), Glenn et al.
patent: 2003/0212507 (2003-11-01), Wei et al.
patent: 2004/0261492 (2004-12-01), Zarkar et al.
patent: 2006/0123920 (2006-06-01), Tison et al.
patent: 2006/0162466 (2006-07-01), Wargo et al.
patent: 2006/0280867 (2006-12-01), Park et al.
patent: 2008/0000530 (2008-01-01), Sun et al.
patent: 0 323 205 (1989-07-01), None
patent: 2004-003957 (2004-01-01), None
patent: 2006-012872 (2006-01-01), None
patent: 2006-0004656 (2006-01-01), None
patent: 97 19329 (1997-05-01), None
patent: 97/19329 (1997-05-01), None
Extended European Search Report dated Dec. 18, 2007 for Application No. 07015987.6. (APPM/010320EP).
GBROR® data sheet; Gas Box Rate-of-Rise in Situ Flow Verifier, MKS Instruments, Inc., http://www.mksinst.com/docs/UR/gbror.pdf; downloaded Nov. 16, 2007. copy consists of 8 pages, Mar. 2007.
Tru-Flow® data sheet, Mass Flow Verifier, MKS Instruments, Inc., htttp://www.mksinst.com/docs/UR/massflotruflo.pdf, downloaded Nov. 16, 2007, copy consists of 4 pages. Sep. 2005.
Notification of the First Office Action from Chinese Patent Office of 200710140455.3 dated Mar. 13, 2009.
Official Letter dated Apr. 29, 2009 from Korean Patent Office for corresponding Korean Patent application No. 10-2007-0081657. A concise statement of relevance is provided.
Office Action dated Dec. 15, 2009 for Korean Patent Application No. 10-2007-0081657. (APPM/011320 KORS).

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