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Extract from the Register of European Patents

EP About this file: EP0773477

EP0773477 - Process for producing a phase shift photomask [Right-click to bookmark this link]
Former [1997/20]Phase shift layer - containing photomask, and its production and correction
[2000/31]
StatusNo opposition filed within time limit
Status updated on  05.04.2002
Database last updated on 05.07.2024
Most recent event   Tooltip05.04.2002No opposition filed within time limitpublished on 22.05.2002  [2002/21]
Applicant(s)For all designated states
DAI NIPPON PRINTING CO., LTD.
1-1, Ichigayakaga-cho 1-chome, Shinjuku-ku
Tokyo 162 / JP
[N/P]
Former [1997/20]For all designated states
DAI NIPPON PRINTING CO., LTD.
1-1, Ichigayakaga-cho 1-chome, Shinjuku-ku
Tokyo 162 / JP
Inventor(s)01 / Mikami, Koichi, c/o Dai Nippon Printing Co., Ltd.
1-1, Ichigaya-Kagacho 1-chome
Shinjuku-ku, Tokyo 162 / JP
02 / Miyashita, Hiroyuki, Dai Nippon Printing Co. Ltd.
1-1, Ichigaya-Kagacho 1-chome
Shinjuku-ku, Tokyo 162 / JP
03 / Takahashi, Yoichi, Dai Nippon Printing Co. Ltd.
1-1, Ichigaya-Kagacho 1-chome
Shinjuku-ku, Tokyo 162 / JP
04 / Fujita, Hiroshi, c/o Dai Nippon Printing Co. Ltd.
1-1, Ichigaya-Kagacho 1-chome
Shinjuku-ku, Tokyo 162 / JP
05 / Kurihara, Masa-aki, Dai Nippon Printing Co. Ltd.
1-1, Ichigaya-Kagacho 1-chome
Shinjuku-ku, Tokyo 162 / JP
 [2001/22]
Former [1997/20]01 / Mikami, Koichi, c/o Dai Nippon Printing Co., Ltd.
1-1, Ichigaya-Kagacho 1-chome
Shinjuku-ku, Tokyo 162 / JP
02 / Miyashita, Hiroyuki, Dai Nippon Printing Co. Ltd.
1-1, Ichigaya-Kagacho 1-chome
Shinjuku-ku, Tokyo 162 / JP
03 / Takahashi, Yoichiki, Dai Nippon Printing Co. Ltd.
1-1, Ichigaya-Kagacho 1-chome
Shinjuku-ku, Tokyo 162 / JP
04 / Fujita, Hiroshi, c/o Dai Nippon Printing Co. Ltd.
1-1, Ichigaya-Kagacho 1-chome
Shinjuku-ku, Tokyo 162 / JP
05 / Kurihara, Masa-aki, Dai Nippon Printing Co. Ltd.
1-1, Ichigaya-Kagacho 1-chome
Shinjuku-ku, Tokyo 162 / JP
Representative(s)Bubb, Antony John Allen, et al
Wilson Gunn Chancery House, Chancery Lane
London WC2A 1QU / GB
[N/P]
Former [1997/20]Bubb, Antony John Allen, et al
GEE & CO. Chancery House Chancery Lane
London WC2A 1QU / GB
Application number, filing date96121014.323.09.1991
[1997/20]
Priority number, dateJP1990025371721.09.1990         Original published format: JP 25371790
JP1990025371821.09.1990         Original published format: JP 25371890
JP1990040792927.12.1990         Original published format: JP 40792990
JP1991003389128.02.1991         Original published format: JP 3389191
JP1991004785013.03.1991         Original published format: JP 4785091
[1997/20]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP0773477
Date:14.05.1997
Language:EN
[1997/20]
Type: B1 Patent specification 
No.:EP0773477
Date:30.05.2001
Language:EN
[2001/22]
Search report(s)(Supplementary) European search report - dispatched on:EP12.03.1997
ClassificationIPC:G03F1/00
[1997/20]
CPC:
G03F1/72 (EP,US); H01L21/027 (KR); G03F1/26 (EP,US);
G03F1/29 (EP,US); G03F1/30 (EP,US)
Designated contracting statesDE,   FR,   GB [1997/20]
TitleGerman:Verfahren zur Herstellung einer Phasenschieber-Fotomaske[2000/31]
English:Process for producing a phase shift photomask[2000/31]
French:Procédé pour produir un Masque à décalage de phase[2000/31]
Former [1997/20]Fotomaske mit Phasenschieber; Herstellung und Korrektur
Former [1997/20]Phase shift layer - containing photomask, and its production and correction
Former [1997/20]Masque à décalage de phase, sa production et sa correction
Examination procedure27.10.1997Examination requested  [1997/52]
29.12.1998Despatch of a communication from the examining division (Time limit: M06)
28.06.1999Reply to a communication from the examining division
05.09.2000Despatch of communication of intention to grant (Approval: Yes)
27.11.2000Communication of intention to grant the patent
31.01.2001Fee for grant paid
31.01.2001Fee for publishing/printing paid
Parent application(s)   TooltipEP91308640.1  / EP0477035
Opposition(s)01.03.2002No opposition filed within time limit [2002/21]
Fees paidRenewal fee
12.01.1997Renewal fee patent year 03
12.01.1997Renewal fee patent year 04
12.01.1997Renewal fee patent year 05
12.01.1997Renewal fee patent year 06
29.09.1997Renewal fee patent year 07
29.09.1998Renewal fee patent year 08
29.09.1999Renewal fee patent year 09
25.09.2000Renewal fee patent year 10
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Documents cited:Search[X]EP0082977  (IBM [US]) [X] 1 * the whole document *;
 [X]JPS5487478  ;
 [A]EP0090924  (IBM [US]) [A] 2;
 [X]  - PATENT ABSTRACTS OF JAPAN, (19790914), vol. 003, no. 110, Database accession no. (E - 137), & JP54087478 A 19790711 (NEC CORP) [X] 1 * abstract *
 [A]  - IMAI A ET AL, "Novel process for direct delineation of spin on Glass (SOG)", JAPANESE JOURNAL OF APPLIED PHYSICS, PART 1 (REGULAR PAPERS & SHORT NOTES), NOV. 1990, JAPAN, ISSN 0021-4922, vol. 29, no. 11, pages 2653 - 2656, XP000605000 [A] 2,7,8

DOI:   http://dx.doi.org/10.1143/JJAP.29.2653
by applicantJPS58173744
 JPS6259296
 EP0090924
    - NIKKEI MICRODEVICES, (1990), no. 1, pages 78 - 79
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.