Use of pulsed grounding source in a plasma reactor

Semiconductor device manufacturing: process – Chemical etching – Vapor phase etching

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C438S706000, C438S710000, C156S345350

Reexamination Certificate

active

10219436

ABSTRACT:
A method for grounding a semiconductor substrate pedestal during a portion of a high voltage power bias oscillation cycle to reduce or eliminate the detrimental effects of feature charging during the operation of a plasma reactor.

REFERENCES:
patent: 3672985 (1972-06-01), Nathanson et al.
patent: 3860507 (1975-01-01), Vossen, Jr.
patent: 4438315 (1984-03-01), Toyda et al.
patent: 4808258 (1989-02-01), Otsubo et al.
patent: 4963239 (1990-10-01), Shimamura et al.
patent: 5315145 (1994-05-01), Lukaszek
patent: 5322806 (1994-06-01), Kohno et al.
patent: 5344792 (1994-09-01), Sandhu et al.
patent: 5352324 (1994-10-01), Gotoh et al.
patent: 5362358 (1994-11-01), Yamagata et al.
patent: 5378311 (1995-01-01), Nagayama et al.
patent: 5435886 (1995-07-01), Fujiwara et al.
patent: 5441595 (1995-08-01), Yamagata et al.
patent: 5460684 (1995-10-01), Saeki et al.
patent: 5508227 (1996-04-01), Chan et al.
patent: 5520740 (1996-05-01), Kanai et al.
patent: 5527391 (1996-06-01), Echizen et al.
patent: 5545258 (1996-08-01), Katayama et al.
patent: 5614060 (1997-03-01), Hanawa
patent: 5705081 (1998-01-01), Inazawa et al.
patent: 5714010 (1998-02-01), Matsuyama et al.
patent: 5810982 (1998-09-01), Sellers
patent: 5859469 (1999-01-01), Rynne
patent: 5869877 (1999-02-01), Patrick et al.
patent: 5917286 (1999-06-01), Scholl et al.
patent: 6051114 (2000-04-01), Yao et al.
patent: 6099747 (2000-08-01), Usami
patent: 6121161 (2000-09-01), Rossman et al.
patent: 6136214 (2000-10-01), Mori et al.
patent: 6201208 (2001-03-01), Wendt et al.
patent: 6214160 (2001-04-01), Dornfest et al.
patent: 6217721 (2001-04-01), Xu et al.
patent: 6218196 (2001-04-01), Ise et al.
patent: 6220201 (2001-04-01), Nowak et al.
patent: 6231777 (2001-05-01), Kofuji et al.
patent: 6344419 (2002-02-01), Forster et al.
patent: 6432834 (2002-08-01), Kim
patent: 6544895 (2003-04-01), Donohoe
patent: 6589437 (2003-07-01), Collins
patent: 2006/0194437 (2006-08-01), Hedberg et al.
patent: 0 710 977 (1996-05-01), None
patent: 0734046 (1996-09-01), None
patent: 0854205 (1998-07-01), None
patent: 0710977 (2000-03-01), None
patent: 64-073620 (1989-03-01), None
patent: 06053176 (1994-02-01), None
patent: 06-338476 (1994-12-01), None
patent: 07-283206 (1995-10-01), None
patent: 08-031596 (1996-02-01), None
patent: 08-045903 (1996-02-01), None
patent: 08-083776 (1996-03-01), None
patent: 08-124902 (1996-05-01), None
patent: 08-139077 (1996-05-01), None
patent: 08255782 (1996-10-01), None
patent: 09-260360 (1997-10-01), None
patent: 10-107012 (1998-04-01), None
patent: 10-270419 (1998-09-01), None
patent: 10261498 (1998-09-01), None
patent: 10270419 (1998-10-01), None
patent: 2000054125 (2000-02-01), None
patent: 2000-188284 (2000-07-01), None
patent: 2000-223480 (2000-08-01), None
patent: 2000-224796 (2000-08-01), None
Shur et al., “Surface Discharge Plasma Induced by Spontaneous Polarization Switching”, Appl. Phys. Lett. 70(5), Feb. 3, 1997, pp. 574-576.
Suwa et al., “Influence of Silicon Concentration and Layering of Molybdenum Silicide on the Reliability of Al-Si-Cu Interconnections”, J. Vac. Sci. Technol. B 9(3), May/Jun. 1991, pp. 1487-1491.
Kofuji et al., “Reduction in the Local Charge Build Up with Electron Acceleration Pulse Bias”, Dry Process Symposium, 1995, pp. 39-44.
Onuki et al., “Formation of W Underlayer by Switching Bias Sputtering to Plug 0.25Tm Contact Holes”, J. Vac. Sci. technol. B 17(3), May/Jun. 1999, pp. 1028-1033.
Onuki et al., “High-Reliability Interconnection Formation by a Two-Step Switching Bias Sputtering Process”, Thin Solid Films 266, Jun. 16, 1995, pp. 182-188.
Onuki et al., “Study on Step Coverage and (111) Preferred Orientation of Aluminum Film Deposited by a New Switching Bias Sputtering Method”, Appl. Phys. Lett. 53(11), Jul. 19, 1998, pp. 968-980.
International Search Report dated Mar. 28, 2002, (4 pages).
Patent Abstracts of Japan, 11224796, Aug. 1999, (1 page).

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Use of pulsed grounding source in a plasma reactor does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Use of pulsed grounding source in a plasma reactor, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Use of pulsed grounding source in a plasma reactor will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-3849954

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.