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EP0334052
European procedure
Extract from the Register of European Patents
EP About this file: EP0334052
| EP0334052 - Thin film transistor [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 11.06.1994 Database last updated on 16.11.2024 | Most recent event Tooltip | 11.06.1994 | No opposition filed within time limit | published on 03.08.1994 [1994/31] | Applicant(s) | For all designated states International Business Machines Corporation New Orchard Road Armonk, NY 10504 / US | [N/P] |
| Former [1989/39] | For all designated states International Business Machines Corporation Old Orchard Road Armonk, N.Y. 10504 / US | Inventor(s) | 01 /
Batey, John 18H Scenic Drive Croton, N.Y. 10620 / US | 02 /
Joshi, Raily V. 4-1, Woodbrook Lane Yorktown Heights N.Y. 10598 / US | [1989/39] | Representative(s) | Mönig, Anton IBM Deutschland Informationssysteme GmbH, Patentwesen und Urheberrecht 70548 Stuttgart / DE | [N/P] |
| Former [1993/37] | Mönig, Anton, Dipl.-Ing. IBM Deutschland Informationssysteme GmbH, Patentwesen und Urheberrecht D-70548 Stuttgart / DE | ||
| Former [1993/19] | Klocke, Peter, Dipl.-Ing. IBM Deutschland Informationssysteme GmbH Patentwesen und Urheberrecht Pascalstrasse 100 D-70569 Stuttgart / DE | ||
| Former [1993/12] | Klocke, Peter, Dipl.-Ing. Patentanwälte Dipl.-Ing. Elmar Ott, Dipl.-Ing. Peter Klocke, Dipl.-Phys. Hans-J. Neubauer, Kappelstrasse 8 D-72160 Horb / DE | ||
| Former [1989/39] | Gaugel, Heinz, Dipl.-Ing. IBM Deutschland GmbH Schönaicher Strasse 220 D-7030 Böblingen / DE | Application number, filing date | 89103360.7 | 25.02.1989 | [1989/39] | Priority number, date | US19880171605 | 22.03.1988 Original published format: US 171605 | [1989/39] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0334052 | Date: | 27.09.1989 | Language: | EN | [1989/39] | Type: | A3 Search report | No.: | EP0334052 | Date: | 19.09.1990 | Language: | EN | [1990/38] | Type: | B1 Patent specification | No.: | EP0334052 | Date: | 11.08.1993 | Language: | EN | [1993/32] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 02.08.1990 | Classification | IPC: | H01L29/78 | [1989/39] | CPC: |
H01L29/458 (EP);
H01L29/66757 (EP);
H01L29/66765 (EP);
H01L29/78654 (EP);
H01L29/78663 (EP)
| Designated contracting states | DE, FR, GB [1989/39] | Title | German: | Dünnfilm-Transistor | [1989/39] | English: | Thin film transistor | [1989/39] | French: | Transistor couche mince | [1989/39] | Examination procedure | 20.01.1990 | Examination requested [1990/12] | 04.11.1992 | Despatch of communication of intention to grant (Approval: Yes) | 12.02.1993 | Communication of intention to grant the patent | 25.02.1993 | Fee for grant paid | 25.02.1993 | Fee for publishing/printing paid | Opposition(s) | 12.05.1994 | No opposition filed within time limit [1994/31] | Fees paid | Renewal fee | 13.12.1990 | Renewal fee patent year 03 | 24.02.1992 | Renewal fee patent year 04 | 18.02.1993 | Renewal fee patent year 05 |
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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: | Search | [A]EP0197531 ; | [E]EP0329482 | Examination | EP0068897 | EP0164976 | - RCA REVIEW, volume 31, no. 2, June 1970, pages 306-316; J.M. SHAW et al.: "Vapor-deposited tungsten as a metallization and interconnection material for silicon devices" | - SOLID STATE TECHNOLOGY, vol. 27, no. 5, May 1984, pages 155-161, Port Washington, New York, US; S.T. MASTROIANNI: "Multilevel metallization device structures and process options" |