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EP0186422
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EP About this file: EP0186422
| EP0186422 - Emitter coupled logic bipolar memory cells [Right-click to bookmark this link] | Status | The application is deemed to be withdrawn Status updated on 28.03.1990 Database last updated on 26.04.2025 | Most recent event Tooltip | 07.07.2007 | Change - inventor | published on 08.08.2007 [2007/32] | Applicant(s) | For all designated states ADVANCED MICRO DEVICES, INC. 901 Thompson Place P.O. Box 3453 Sunnyvale CA 94088-3453 / US | [N/P] |
| Former [1986/27] | For all designated states ADVANCED MICRO DEVICES, INC. 901 Thompson Place P.O. Box 3453 Sunnyvale, CA 94088 / US | Inventor(s) | 01 /
Thomas, Mammen 1081 Corvette Drive San Jose California 95129 / US | 02 /
Ko, Wen C. 6948 Craywood San Jose California 95120 / US | [1986/27] | Representative(s) | Sanders, Peter Colin Christopher, et al Brookes Batchellor 1 Boyne Park Tunbridge Wells Kent TN4 8EL / GB | [N/P] |
| Former [1986/27] | Sanders, Peter Colin Christopher, et al BROOKES & MARTIN High Holborn House 52/54 High Holborn London WC1V 6SE / GB | Application number, filing date | 85309203.9 | 17.12.1985 | [1986/27] | Priority number, date | US19840683287 | 18.12.1984 Original published format: US 683287 | [1986/27] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0186422 | Date: | 02.07.1986 | Language: | EN | [1986/27] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 08.04.1986 | Classification | IPC: | H01L27/10, G11C11/40 | [1986/27] | CPC: |
H01L21/28537 (EP,US);
H10B10/10 (EP,US)
| Designated contracting states | AT, BE, CH, DE, FR, GB, IT, LI, LU, NL, SE [1986/27] | Title | German: | Bipolare ECL-Speicherzellen | [1986/27] | English: | Emitter coupled logic bipolar memory cells | [1986/27] | French: | Mémoire bipolaire utilisant des cellules logiques à émetteurs couplés | [1986/27] | File destroyed: | 17.06.1996 | Examination procedure | 11.12.1986 | Examination requested [1987/10] | 05.08.1988 | Despatch of a communication from the examining division (Time limit: M04) | 08.12.1988 | Reply to a communication from the examining division | 19.04.1989 | Despatch of communication of intention to grant (Approval: No) | 02.08.1989 | Despatch of communication of intention to grant (Approval: later approval) | 11.08.1989 | Communication of intention to grant the patent | 22.11.1989 | Application deemed to be withdrawn, date of legal effect [1990/20] | 21.12.1989 | Despatch of communication that the application is deemed to be withdrawn, reason: fee for grant / fee for printing not paid in time [1990/20] | Fees paid | Renewal fee | 21.12.1987 | Renewal fee patent year 03 | 22.12.1988 | Renewal fee patent year 04 | Penalty fee | Additional fee for renewal fee | 02.01.1990 | 05 M06 Not yet paid |
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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 | [Y]FR2183708 (IBM [US]); | [A]EP0055347 (IBM [US]); | [Y]EP0095411 (FAIRCHILD CAMERA INSTR CO [US]) | [Y] - IBM TECHNICAL DISCLOSURE BULLETIN, vol. 26, no. 5, October 1983, pages 2569-2573, New York, US; H.H. CHAO et al.: "Simple fabrication technique to implement a buried N-type grid under a memory array for protection against radiation-induced soft-errors" | [A] - IEEE INTERNATIONAL E.D.M., 10th December 1980, pages 50-53, IEEE, New York, US; J. MIYAMOTO et al.: "Application of polycrystalline silicon load for high performance bipolar memory" |