T 0866/94 (Dielectric isolation/NATIONAL SEMICONDUCTOR CORP.) of 20.11.1997
- European Case Law Identifier
- ECLI:EP:BA:1997:T086694.19971120
- Date of decision
- 20 November 1997
- Case number
- T 0866/94
- Online on
- 2 February 1998
- Petition for review of
- -
- Application number
- 90110524.7
- IPC class
- H01L 21/76
- Language of proceedings
- English
- Distribution
- Distributed to board chairmen (C)
- Download
- Decision in English
- OJ versions
- No OJ links found
- Other decisions for this case
- -
- Abstracts for this decision
- -
- Application title
- Dielectric isolation used in high voltage power IC process
- Applicant name
- NATIONAL SEMICONDUCTOR CORPORATION
- Opponent name
- -
- Board
- 3.4.01
- Headnote
- -
- Relevant legal provisions
- European Patent Convention Art 56 1973
- Keywords
- Inventive step - no
Obvious selection from a limited number of available methods - Catchword
- -
- Cited cases
- -
- Citing cases
- -
ORDER
For these reasons it is decided that:
The appeal is dismissed.