Source: http://www.google.com/patents/US7909961?dq=7,550,386
Timestamp: 2016-02-07 09:50:37
Document Index: 543495658

Matched Legal Cases: ['Application No. 200710143238', 'Application No. 07020931', 'Application No. 07020931', 'Application No. 10', 'Application No. 10', 'Application No. 07020931']

Patent US7909961 - Method and apparatus for photomask plasma etching - Google PatentsSearch Images Maps Play YouTube News Gmail Drive More »Sign inPatentsA method and apparatus for etching photomasks are provided herein. The apparatus includes a process chamber with a shield above a substrate support. The shield comprises a plate with apertures, and the plate has two zones with at least one characteristic, such as material or potential bias, that is different...http://www.google.com/patents/US7909961?utm_source=gb-gplus-sharePatent US7909961 - Method and apparatus for photomask plasma etchingAdvanced Patent SearchPublication numberUS7909961 B2Publication typeGrantApplication numberUS 11/554,495Publication dateMar 22, 2011Filing dateOct 30, 2006Priority dateOct 30, 2006Fee statusPaidAlso published asCN101174106A, CN104035276A, EP1918971A2, EP1918971A3, EP1918971B1, US20080099426Publication number11554495, 554495, US 7909961 B2, US 7909961B2, US-B2-7909961, US7909961 B2, US7909961B2InventorsAjay Kumar, Madhavi R. Chandrachood, Richard Lewington, Darin Bivens, Amitabh Sabharwal, Sheeba J. Panayil, Alan Hiroshi OuyeOriginal AssigneeApplied Materials, Inc.Export CitationBiBTeX, EndNote, RefManPatent Citations (115), Non-Patent Citations (17), Referenced by (11), Classifications (22), Legal Events (3) External Links: USPTO, USPTO Assignment, EspacenetMethod and apparatus for photomask plasma etching
US 7909961 B2Abstract
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No. 11/554,502, as of Sep. 7, 2010.Referenced byCiting PatentFiling datePublication dateApplicantTitleUS8329055 *Oct 2, 2008Dec 11, 2012Varian Semiconductor Equipment Associates, Inc.Plasma uniformity control using biased arrayUS8568553Mar 10, 2011Oct 29, 2013Applied Materials, Inc.Method and apparatus for photomask plasma etchingUS8834732 *Oct 26, 2012Sep 16, 2014Varian Semiconductor Equipment Associates, Inc.Plasma uniformity control using biased arrayUS9017526Jul 8, 2013Apr 28, 2015Lam Research CorporationIon beam etching systemUS9039911Sep 25, 2012May 26, 2015Lam Research CorporationPlasma-enhanced etching in an augmented plasma processing systemUS9147581Jul 11, 2013Sep 29, 2015Lam Research CorporationDual chamber plasma etcher with ion acceleratorUS9230819Feb 19, 2014Jan 5, 2016Lam Research CorporationInternal plasma grid applications for semiconductor fabrication in context of ion-ion plasma processingUS9245761Jun 12, 2013Jan 26, 2016Lam Research CorporationInternal plasma grid for semiconductor fabricationUS20100084980 *Oct 2, 2008Apr 8, 2010Bon-Woong KooPlasma uniformity control using biased arrayUS20130052811 *Oct 26, 2012Feb 28, 2013Varian Semiconductor Equipment Associates, Inc.Plasma uniformity control using biased arrayUS20130098552 *Aug 27, 2012Apr 25, 2013Applied Materials, Inc.E-beam plasma source with profiled e-beam extraction grid for uniform plasma generation* Cited by examinerClassifications U.S. Classification156/345.3, 118/723.00E, 156/345.33, 156/345.34, 156/345.43, 156/345.35, 118/723.0MW, 118/723.00I, 118/723.0ER, 118/723.0IR, 118/723.0MEInternational ClassificationC23C16/00, H01L21/00, C23F1/00Cooperative ClassificationG03F1/80, H01J37/32422, C23F4/00, H01J37/321European ClassificationC23F4/00, G03F1/80, H01J37/32M26, H01J37/32M8DLegal EventsDateCodeEventDescriptionJul 9, 2007ASAssignmentOwner name: APPLIED MATERIALS, INC., CALIFORNIAFree format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:KUMAR, AJAY;CHANDRACHOOD, MADHAVI R.;LEWINGTON, RICHARD;AND OTHERS;REEL/FRAME:019532/0812;SIGNING DATES FROM 20061205 TO 20070319Owner name: APPLIED MATERIALS, INC., CALIFORNIAFree format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:KUMAR, AJAY;CHANDRACHOOD, MADHAVI R.;LEWINGTON, RICHARD;AND OTHERS;SIGNING DATES FROM 20061205 TO 20070319;REEL/FRAME:019532/0812Jun 28, 2011CCCertificate of correctionAug 25, 2014FPAYFee paymentYear of fee payment: 4RotateOriginal ImageGoogle Home - Sitemap - USPTO Bulk Downloads - Privacy Policy - Terms of Service - About Google Patents - Send FeedbackData provided by IFI CLAIMS Patent Services