Source: http://www.google.com/patents/US6190513?ie=ISO-8859-1
Timestamp: 2016-02-12 01:51:34
Document Index: 310692766

Matched Legal Cases: ['application No. 96308251', 'application No. 97307895', 'application No. 08', 'application No. 08', 'application No. 08', 'application No. 08', 'application No. 08', 'application No. 09']

Patent US6190513 - Darkspace shield for improved RF transmission in inductively coupled plasma ... - Google PatentsSearch Images Maps Play YouTube News Gmail Drive More »Sign inPatentsA deposition system in a semiconductor fabrication system provides a slotted grounded darkspace shield, which protects the target sidewalls. It has been found that an axial slot in the grounded darkspace shield can prevent eddy currents from flowing in the darkspace shield and thereby prevent RF power...http://www.google.com/patents/US6190513?utm_source=gb-gplus-sharePatent US6190513 - Darkspace shield for improved RF transmission in inductively coupled plasma sources for sputter depositionAdvanced Patent SearchPublication numberUS6190513 B1Publication typeGrantApplication numberUS 08/856,421Publication dateFeb 20, 2001Filing dateMay 14, 1997Priority dateMay 14, 1997Fee statusLapsedPublication number08856421, 856421, US 6190513 B1, US 6190513B1, US-B1-6190513, US6190513 B1, US6190513B1InventorsJohn C. Forster, Bradley O. Stimson, Zheng XuOriginal AssigneeApplied Materials, Inc.Export CitationBiBTeX, EndNote, RefManPatent Citations (86), Non-Patent Citations (21), Referenced by (65), Classifications (11), Legal Events (4) External Links: USPTO, USPTO Assignment, EspacenetDarkspace shield for improved RF transmission in inductively coupled plasma sources for sputter deposition
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ZHENG;REEL/FRAME:008754/0232;SIGNING DATES FROM 19970924 TO 19971006Sep 8, 2004REMIMaintenance fee reminder mailedFeb 22, 2005LAPSLapse for failure to pay maintenance feesApr 12, 2005FPExpired due to failure to pay maintenance feeEffective date: 20050220RotateOriginal ImageGoogle Home - Sitemap - USPTO Bulk Downloads - Privacy Policy - Terms of Service - About Google Patents - Send FeedbackData provided by IFI CLAIMS Patent Services