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Extract from the Register of European Patents

EP About this file: EP0034168

EP0034168 - HYDROGEN ANNEALING PROCESS FOR SILICON GATE MEMORY DEVICE [Right-click to bookmark this link]
StatusThe application has been withdrawn
Status updated on  20.07.1982
Database last updated on 11.09.2024
Most recent event   Tooltip07.07.2007Change - inventorpublished on 08.08.2007  [2007/32]
Applicant(s)For all designated states
NCR CORPORATION
World Headquarters
Dayton, Ohio 45479 / US
[1981/34]
Inventor(s)01 / TRUDEL, Murray Lawrence
2024 Meadow Side Lane
Centerville, OH 45459 / US
02 / DHAM, Vinod Kumar Central Park Apartments, Apt. 92
1055 Manet Drive
Sunnyvale, CA 94087 / US
[1981/34]
Representative(s)Robinson, Robert George
International Intellectual Property Department, NCR Limited, 206 Marylebone Road
London NW1 6LY / GB
[N/P]
Former [1981/34]Robinson, Robert George
International Patent Department NCR Limited 206 Marylebone Road
London NW1 6LY / GB
Application number, filing date80901693.407.08.1980
[1981/34]
WO1980US01020
Priority number, dateUS1979006580613.08.1979         Original published format: US 65806
[1981/34]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report
No.:WO8100487
Date:19.02.1981
[1981/05]
Type: A1 Application with search report 
No.:EP0034168
Date:26.08.1981
Language:EN
The application published by WIPO in one of the EPO official languages on 19.02.1981 takes the place of the publication of the European patent application.
[1981/34]
Search report(s)(Supplementary) European search report - dispatched on:EP10.12.1981
ClassificationIPC:H01L21/324, H01L21/477
[1981/34]
CPC:
H01L21/3003 (EP); H10B41/00 (EP)
Designated contracting statesDE,   GB,   NL [1981/34]
TitleGerman:WASSERSTOFF-GLÜHVERFAHREN FÜR EINE GATE-SPEICHERVORRICHTUNG AUS SILICIUM[1981/34]
English:HYDROGEN ANNEALING PROCESS FOR SILICON GATE MEMORY DEVICE[1981/34]
French:PROCEDE DE RECUIT A L'HYDROGENE POUR UN DISPOSITIF DE MEMOIRE DE PORTE AU SILICIUM[1981/34]
File destroyed:19.02.1989
Entry into regional phase19.03.1981National basic fee paid 
19.03.1981Search fee paid 
19.03.1981Designation fee(s) paid 
17.07.1981Examination fee paid 
Examination procedure17.07.1981Examination requested  [1981/39]
22.06.1982Application withdrawn by applicant  [1982/38]
18.10.1982Despatch of a communication from the examining division (Time limit: M04)
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Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court.
Documents cited:SearchUS4057821  [ ] (PATEL PRAMODBHAI D);
 NL7902247  [ ] (FUJITSU LTD);
 DE2911484  [ ] (FUJITSU LTD);
 DE2934582  [ ] (HITACHI LTD)
International search[X]US3615873  (SLUSS JAMES A JR, et al);
 [A]US3653978  (ROBINSON DAVID PHYTHIAN, et al);
 [A]US3719866  (NABER C, et al);
 [A]US3867196  (RICHMAN PAUL);
 [A]USRE28386E  ;
 [A]US4027380  (DEAL BRUCE E, et al);
 [X]US4097314  (SCHLESIER KENNETH MANSFIELD, et al);
 [X]US4151007  (LEVINSTEIN HYMAN J [US], et al)
 [A]  - Solid State Electronics, Vol. 13, pp. 1451-1459, published, 1970, "Surface State Related 1/F Noise in MOS Transistors" By HSUS.T.
 [X]  - J. Electrochem. Soc., Vol. 118, No. 9, pp. 1463-1468, published, September 1971"High-Temperature Annealing Of Oxidized Silicon Surfaces" By MONTILLO et al.
 [X]  - I.B.M. Technical Disclosure Bulletin, Vol. 18, No. 3 p. 753, published, August 1975"Post Oxidation Annealing of Field-Effect Transistors to Reduce Fixed Charges Levels" By BURKHARDT et al
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.