EP0235682A3
Aluminium nitride sintered body having conductive metallized layer
Abstract
This record has no abstract on file.
Term
Term ended
Projected expiry passed 19 February 2007, 19.6 years ago.
- Priority
- Filed
- Published
- Projected expiry
- Today
Every citation, both ways
| Document | Relation | Office | Category | Cited during |
|---|---|---|---|---|
| EP0153737A2 | Cites | European Patent Office (EPO) | YD | Search report |
| US3927815A | Cites | United States of America | Y | Search report |
| CHEMICAL ABSTRACTS, vol. 99, no. 6, 8th August 1983, page 534, abstract no. 46686a, Columbus, Ohio, US; & JP-A-58 048 926 (HITACHI, LTD) 23-03-1983 | Non-patent | – | – | Search report |
| CHEMICAL ABSTRACTS, vol. 90, no. 4, 22nd January 1979, page 624, abstract no. 32890q, Columbus, Ohio, US; & JP-A-53 102 310 (TOKYO SHIBAURA ELECTRIC CO., LTD) 06-09-1978 | Non-patent | – | – | Search report |
| ELECTRONICS, vol. 45, no. 15, 17th July 1972, page 20, McGraw-Hill Inc., New York, US; "Hitachi develops new ceramic board" | Non-patent | – | – | Search report |
16 members in 5 offices; this record represents the family
Priority claims3
| Document | Office | Kind | Date |
|---|---|---|---|
| 3382486 | Japan | A | |
| 3382686 | Japan | A | |
| 17191486 | Japan | A |
Members16
| Document | Office | Kind | |
|---|---|---|---|
| JPS62197372A | Japan | A | |
| JPS62197374A | Japan | A | |
| EP0235682A2 | European Patent Office (EPO) | A2 | |
| KR870008055A | Republic of Korea | A | |
| JPS6329991A | Japan | A | |
| EP0235682A3This record | European Patent Office (EPO) | A3 | |
| US4770953A | United States of America | A | |
| KR900006122B1 | Republic of Korea | B1 | |
| JPH0369873B2 | Japan | B2 | |
| JPH0369874B2 | Japan | B2 | |
| EP0235682B1 | European Patent Office (EPO) | B1 | |
| DE3789628D1 | Germany | D1 | |
| DE3789628T2 | Germany | T2 | |
| JPH0738491B2 | Japan | B2 | |
| EP0235682B2 | European Patent Office (EPO) | B2 | |
| DE3789628T3 | Germany | T3 |
24 legal events, as 2 offices reported them to INPADOC
Over the term
Point at a mark for the eventEvents
| Event | Code | Office | |
|---|---|---|---|
| Gb: european patent ceased through non-payment of renewal feeCeasedGBPC | GBPC | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP | PGFP | EP | |
| Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP | PGFP | EP | |
| European patent in force as of 2002-01-01IF02 | IF02 | GB | |
| Register noted 'licences of right' (sect. 46/1977)746 | 746 | GB | |
| Patent maintained in amended form27A | 27A | EP | |
| Designated contracting statesAK | AK | EP | |
| Patent maintained in amended formORIGINAL CODE: 0009272PUAH | PUAH | EP | |
| Information on the status of an ep patent application or granted ep patentGrantedSTATUS: PATENT MAINTAINED AS AMENDEDSTAA | STAA | EP | |
| Interlocutory decision in oppositionOppositionORIGINAL CODE: EPIDOS IDOPPLAW | PLAW | EP | |
| Interlocutory decision in oppositionOppositionORIGINAL CODE: EPIDOS IDOPPLAW | PLAW | EP | |
| Opposition filedOpposition26 | 26 | EP | |
| Opposition filedOppositionORIGINAL CODE: 0009260PLBI | PLBI | EP | |
| Corresponds to:REF | REF | EP | |
| Designated contracting statesAK | AK | EP | |
| (expected) grantORIGINAL CODE: 0009210GRAA | GRAA | EP | |
| First examination report despatched17Q | 17Q | EP | |
| Request for examination filed17P | 17P | EP | |
| Designated contracting statesAK | AK | EP | |
| Search report despatchedORIGINAL CODE: 0009013PUAL | PUAL | EP | |
| Designated contracting statesAK | AK | EP | |
| Public reference made under article 153(3) epc to a published international application that has entered the european phaseORIGINAL CODE: 0009012PUAI | PUAI | EP |
Numbers
- Application
- 87102344
Titles
- English
- ALUMINIUM NITRIDE SINTERED BODY HAVING CONDUCTIVE METALLIZED LAYER
Classification
- CPC, 14
- C04B41/5133
- C04B41/87
- C04B41/5053
- C04B41/51
- C04B41/88
- H05K1/092
- Y10S428/901
- Y10T428/24917
- Y10T428/24926
- H10W70/05
- H10W70/692
- H10W70/66
- C04B41/5063
- C04B41/5068
- IPC, 8
- C04B41 50
- C04B41 51
- C04B41 87
- C04B41 88
- C23C30 00
- H01L21 48
- H05K1 09
- H10W70 692
Designated states1
- Contracting states, 1
- United Kingdom