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Extract from the Register of European Patents

EP About this file: EP0639851

EP0639851 - Highly durable noncontaminating surround materials for plasma etching [Right-click to bookmark this link]
StatusThe application is deemed to be withdrawn
Status updated on  20.03.1998
Database last updated on 11.09.2024
Most recent event   Tooltip20.03.1998Application deemed to be withdrawnpublished on 06.05.1998 [1998/19]
Applicant(s)For all designated states
IPEC Precision, Inc.
3 Berkshire Boulevard
Bethel, CT 06801 / US
[1997/46]
Former [1995/08]For all designated states
Hughes Aircraft Company
7200 Hughes Terrace P.O. Box 45066
Los Angeles, California 90045-0066 / US
Inventor(s)01 / Bollinger, Lynn David
122 Firehill Road
Ridgefield, CT 06877 / US
02 / Power, Michael P.
25 Parmalee Hill
Newtown, CT 06470 / US
03 / Poole, Richard R.
Bliarwood Road
Norwalk, CT 06850 / US
04 / Gardopee, George J.
116 Bridle Path
Southbury, CT 06488 / US
[1995/08]
Representative(s)Winter, Brandl - Partnerschaft mbB
Alois-Steinecker-Straße 22
85354 Freising / DE
[N/P]
Former [1995/08]KUHNEN, WACKER & PARTNER
Alois-Steinecker-Strasse 22
D-85354 Freising / DE
Application number, filing date94112778.916.08.1994
[1995/08]
Priority number, dateUS1993011002120.08.1993         Original published format: US 110021
[1995/08]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP0639851
Date:22.02.1995
Language:EN
[1995/08]
Search report(s)(Supplementary) European search report - dispatched on:EP08.12.1994
ClassificationIPC:H01J37/32, H01L21/00
[1995/08]
CPC:
H01L21/68 (EP,US)
Designated contracting statesCH,   DE,   FR,   GB,   LI,   NL,   SE [1995/08]
TitleGerman:Nicht kontaminierenden Umgebungmaterialien hoher Beständigkeit für das Plasma-Ätzen[1995/08]
English:Highly durable noncontaminating surround materials for plasma etching[1995/08]
French:Matériaux d'environnement de haute longévité et non contaminants pour la gravure par plasma[1995/08]
Examination procedure14.08.1995Examination requested  [1995/41]
15.05.1996Despatch of a communication from the examining division (Time limit: M06)
22.11.1996Reply to a communication from the examining division
26.06.1997Despatch of a communication from the examining division (Time limit: M04)
07.11.1997Application deemed to be withdrawn, date of legal effect  [1998/19]
08.12.1997Despatch of communication that the application is deemed to be withdrawn, reason: reply to the communication from the examining division not received in time  [1998/19]
Fees paidRenewal fee
17.07.1996Renewal fee patent year 03
23.07.1997Renewal fee patent year 04
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Documents cited:Search[YA]US4612077  (TRACY DAVID H [US], et al) [Y] 1,2,7,9 * column 2, line 48 - line 68; figure - * [A] 8;
 [Y]EP0115970  (COMMISSARIAT ENERGIE ATOMIQUE [FR]) [Y] 1,2,7,9 * page 3, line 6 - line 21 * * page 5, line 7 - page 6, line 28; figure - *;
 [A]JPH04191379  ;
 [A]JPH0499282
 [A]  - PATENT ABSTRACTS OF JAPAN, (19921022), vol. 16, no. 512, Database accession no. (C - 998), & JP04191379 A 19920709 (APURAIDO MATERIARUZU JIYAPAN K.K.) [A] 1,3,8,9 * abstract *
 [A]  - PATENT ABSTRACTS OF JAPAN, (19920722), vol. 16, no. 338, Database accession no. (C - 965), & JP04099282 A 19920331 (NIPPON LIGHT METAL CO LTD.) [A] 1,8,9 * abstract *
The EPO accepts no responsibility for the accuracy of data originating from other authorities; in particular, it does not guarantee that it is complete, up to date or fit for specific purposes.