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EP0028490
European procedure
Extract from the Register of European Patents
EP About this file: EP0028490
| EP0028490 - Integrated circuit with Alpha radiation shielding means [Right-click to bookmark this link] | |||
| Former [1981/19] | Integrated circuit alpha radiation shielding means | ||
| [1983/51] | Status | No opposition filed within time limit Status updated on 19.10.1984 Database last updated on 28.03.2026 | Most recent event Tooltip | 19.10.1984 | No opposition filed within time limit | published on 19.12.1984 [1984/51] | Applicant(s) | For all designated states BURROUGHS CORPORATION (a Michigan corporation) Burroughs Place Detroit, Michigan 48232 / US | [1981/19] | Inventor(s) | 01 /
WIlkinson, John Malcolm 48 Newton Crescent Dunblane Perthshire Scotland / GB | [1981/19] | Representative(s) | Kirby, Harold Douglas Benson, et al Marlborough Lodge 14 Farncombe Road Worthing West Sussex BN11 2BT / GB | [N/P] |
| Former [1981/19] | Kirby, Harold Douglas Benson, et al Marlborough Lodge 14 Farncombe Road Worthing West Sussex BN11 2BT / GB | Application number, filing date | 80303803.3 | 27.10.1980 | [1981/19] | Priority number, date | GB19790038118 | 02.11.1979 Original published format: GB 7938118 | GB19790038119 | 02.11.1979 Original published format: GB 7938119 | GB19790038134 | 03.11.1979 Original published format: GB 7938134 | [1981/19] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0028490 | Date: | 13.05.1981 | Language: | EN | [1981/19] | Type: | B1 Patent specification | No.: | EP0028490 | Date: | 21.12.1983 | Language: | EN | [1983/51] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 05.02.1981 | Classification | IPC: | H01L21/26, H01L23/02, H01L23/56 | [1981/19] | CPC: |
H10P34/00 (EP);
H10W42/25 (EP);
H10W70/682 (EP);
H10W90/756 (EP)
| Designated contracting states | BE, DE, FR, GB, IT, LU, NL [1981/19] | Title | German: | Integrierte Schaltung mit alpha-Strahlungsabschirmmitteln | [1981/19] | English: | Integrated circuit with Alpha radiation shielding means | [1983/51] | French: | Circuit intégré comportant des moyens de protection contre les rayonnements alpha | [1981/19] |
| Former [1981/19] | Integrated circuit alpha radiation shielding means | Examination procedure | 11.03.1981 | Examination requested [1981/21] | 30.11.1981 | Despatch of a communication from the examining division (Time limit: M04) | 17.02.1982 | Reply to a communication from the examining division | 13.05.1983 | Despatch of communication of intention to grant (Approval: ) | 08.06.1983 | Communication of intention to grant the patent | 08.08.1983 | Fee for grant paid | 08.08.1983 | Fee for publishing/printing paid | Opposition(s) | 22.09.1984 | No opposition filed within time limit [1984/51] | Fees paid | Renewal fee | 13.09.1982 | Renewal fee patent year 03 | 25.08.1983 | Renewal fee patent year 04 |
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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 | ELECTRONIC DESIGN, Vol. 26, No. 11, May 1978, page 37 Rochelle Park, U.S.A. "Alpha particles may be cause of soft errors in memory" * Paragraph 6 * | ELECTRONICS, Vol. 51, No. 12, June 1978, pages 42, 43 New York, U.S.A. "Dynamic memories racked by radiation" * Page 42, column 3, lines 12-21 * | 17th ANNUAL PROCEEDINGS RELIABILITY PHYSICS 1979, 24th-26th April 1979, pages 13-22 San Francisco, California E.S.M. MEIERAN et al.: "Measurement of alpha particle radioactivity in IC device packages" * Page 20: "Discussion" * |