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EP0334006
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EP About this file: EP0334006
| EP0334006 - Stacked channel heterojunction fet [Right-click to bookmark this link] | Status | The application is deemed to be withdrawn Status updated on 14.01.1993 Database last updated on 24.08.2024 | Most recent event Tooltip | 14.01.1993 | Application deemed to be withdrawn | published on 03.03.1993 [1993/09] | Applicant(s) | For all designated states SIEMENS AKTIENGESELLSCHAFT Werner-von-Siemens-Str. 1 DE-80333 München / DE | [N/P] |
| Former [1989/39] | For all designated states SIEMENS AKTIENGESELLSCHAFT Wittelsbacherplatz 2 D-80333 München / DE | Inventor(s) | 01 /
Kohn, Erhard 6 State Park Drive Titusville, NJ 08560 / US | 02 /
Levy, Harold M. 61-16 Ravens Crest Drive Plainsboro, NJ 08536 / US | 03 /
Lee, Hao 14 Cedar Court Princeton Junction, NJ 08550 / US | [1989/39] | Application number, filing date | 89102046.3 | 06.02.1989 | [1989/39] | Priority number, date | US19880158518 | 22.02.1988 Original published format: US 158518 | [1989/39] | Filing language | EN | Procedural language | DE | Publication | Type: | A1 Application with search report | No.: | EP0334006 | Date: | 27.09.1989 | Language: | DE | [1989/39] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 29.06.1989 | Classification | IPC: | H01L29/80, H01L29/10, H01L29/205, H01L27/06 | [1989/39] | CPC: |
H01L29/0646 (EP);
H01L27/0605 (EP);
H01L29/1029 (EP);
H01L29/7787 (EP)
| Designated contracting states | DE, FR, GB, NL [1989/39] | Title | German: | Heteroübergangsfeldeffekttransistor mit gestapelten Kanalschichten | [1989/39] | English: | Stacked channel heterojunction fet | [1989/39] | French: | Transistor à effet de champ à hétérojonction comportant des canaux empilés | [1989/39] | File destroyed: | 20.04.2002 | Examination procedure | 15.03.1990 | Examination requested [1990/19] | 01.09.1992 | Application deemed to be withdrawn, date of legal effect [1993/09] | 01.10.1992 | Despatch of communication that the application is deemed to be withdrawn, reason: renewal fee not paid in time [1993/09] | Fees paid | Renewal fee | 20.12.1990 | Renewal fee patent year 03 | Penalty fee | Additional fee for renewal fee | 02.03.1992 | 04 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 | [X]EP0246641 ; | [A]EP0119089 ; | [A]EP0255416 | [AD] - J. APPL. PHYS., vol. 61, no. 4, 15th February 1987, pages 1503-1509, American Institute of Physics; D.K. ARCH et al.: "Superlattice conduction in superlattice modulation-doped field-effect transistors" |