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EP0845839
European procedure
Extract from the Register of European Patents
EP About this file: EP0845839
| EP0845839 - Semiconductor devices with tantalum-aluminium oxide coating [Right-click to bookmark this link] | |||
| Former [1998/23] | Tantalum-aluminum oxide coatings for semiconductor devices | ||
| [2001/04] | Status | No opposition filed within time limit Status updated on 18.10.2002 Database last updated on 03.09.2024 | Most recent event Tooltip | 18.10.2002 | No opposition filed within time limit | published on 04.12.2002 [2002/49] | Applicant(s) | For all designated states Agere Systems Optoelectronics Guardian Corporation 9333 South John Young Parkway Orlando Florida 32819-8698 / US | [N/P] |
| Former [2001/30] | For all designated states Agere Systems Optoelectronics Guardian Corporation 9333 South John Young Parkway Orlando, Florida 32819-8698 / US | ||
| Former [1998/23] | For all designated states LUCENT TECHNOLOGIES INC. 600 Mountain Avenue Murray Hill, New Jersey 07974-0636 / US | Inventor(s) | 01 /
Chakrabarti, Utpal Kumar 5523 Kurt Drive Allentown, Pennsylvania 18104 / US | 02 /
Wu, Ping 264 Plainfield Avenue Berkeley Heights, New Jersey 07922 / US | 03 /
Grodkiewicz, William Henry 217 Fox Hollow Road Geln Gardner, New Jersey 08826 / US | [1998/23] | Representative(s) | Perkins, Sarah, et al Stevens Hewlett & Perkins 1 St Augustine's Place Bristol BS1 4UD / GB | [N/P] |
| Former [2001/17] | Perkins, Sarah, et al Stevens, Hewlett & Perkins Halton House 20/23 Holborn London EC1N 2JD / GB | ||
| Former [1998/23] | Johnston, Kenneth Graham, et al Lucent Technologies (UK) Ltd, 5 Mornington Road Woodford Green Essex, IG8 OTU / GB | Application number, filing date | 97309473.3 | 25.11.1997 | [1998/23] | Priority number, date | US19960758630 | 27.11.1996 Original published format: US 758630 | [1998/23] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0845839 | Date: | 03.06.1998 | Language: | EN | [1998/23] | Type: | B1 Patent specification | No.: | EP0845839 | Date: | 12.12.2001 | Language: | EN | [2001/50] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 31.03.1998 | Classification | IPC: | H01S5/02, H01L21/00 | [2001/04] | CPC: |
H01S5/0282 (EP,US);
H01S5/02234 (EP,US);
H01S5/0287 (EP,US)
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| Former IPC [1998/23] | H01S3/025, H01L21/00 | Designated contracting states | DE, FR, GB [1999/08] |
| Former [1998/23] | AT, BE, CH, DE, DK, ES, FI, FR, GB, GR, IE, IT, LI, LU, MC, NL, PT, SE | Title | German: | Halbleiterbauelemente mit Beschichtung aus Tantalum-Aluminiumoxid | [2001/05] | English: | Semiconductor devices with tantalum-aluminium oxide coating | [2001/04] | French: | Dispositifs à semiconducteur avec revêtement en oxide de tantale-aluminium | [2001/14] |
| Former [1998/23] | Tantalum-aluminium oxid Beschichtung für Halbleitervorrichtungen | ||
| Former [1998/23] | Tantalum-aluminum oxide coatings for semiconductor devices | ||
| Former [1998/23] | Revêtements d'oxide de Tantalum-aluminium pour dispositifs à semiconducteur | Examination procedure | 26.11.1998 | Examination requested [1999/04] | 12.02.1999 | Despatch of a communication from the examining division (Time limit: M06) | 18.08.1999 | Reply to a communication from the examining division | 30.03.2000 | Despatch of a communication from the examining division (Time limit: M04) | 08.08.2000 | Reply to a communication from the examining division | 13.03.2001 | Despatch of communication of intention to grant (Approval: Yes) | 06.06.2001 | Communication of intention to grant the patent | 11.08.2001 | Fee for grant paid | 11.08.2001 | Fee for publishing/printing paid | Opposition(s) | 13.09.2002 | No opposition filed within time limit [2002/49] | Fees paid | Renewal fee | 16.11.1999 | Renewal fee patent year 03 | 20.09.2000 | Renewal fee patent year 04 | 08.10.2001 | 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]JPH01222492 ; | [A]JPH0555582 ; | [A]JPS5570033 ; | [DA]US4372987 (GANNER PETER [AT], et al); | [A]US5440575 (CHAND NARESH [US], et al); |