EP1447902A3
Linear motor, stage apparatus, exposure apparatus and device manufacturing method
Abstract
Disclosed is a linear motor that assures high-precision control. In a linear motor having magnets and coils which are moved relative to each other on the basis of Lorentz's force produced therebetween, there is a plurality of magnets disposed along a central axis of the coil, so that magnetization directions of these magnets have different tilts with respect to the central axis.

Term
Term ended
Projected expiry passed 12 February 2024, 2.6 years ago.
- Priority
- Filed
- Published
- Projected expiry
- Today
1 sheet
Sheet 1
Every citation, both waysCites: the store holds 3 of 4
| Document | Relation | Office | Category | Cited during | Relevant claims |
|---|---|---|---|---|---|
| US2002117903A1 | Cites | United States of America | Y | Search report | 4-6 |
| US2002149270A1 | Cites | United States of America | XA | Search report | 1-13 |
| US6104108A | Cites | United States of America | X | Search report | 1 |
| PATENT ABSTRACTS OF JAPAN vol. 2002, no. 12 12 December 2002 (2002-12-12) | Non-patent | – | – | Search report | – |
8 members in 3 offices
Priority claims5
| Document | Office | Kind | Date |
|---|---|---|---|
| 2003035268 | Japan | A | |
| 2003035268 | Japan | A | |
| 2003035268 | Japan | – | |
| 2003035268 | – | – | – |
| JP20030035268 | – | – | – |
Members8
| Document | Office | Kind | |
|---|---|---|---|
| EP1447902A2 | European Patent Office (EPO) | A2 | |
| JP2004248400A | Japan | A | |
| US2004207271A1 | United States of America | A1 | |
| US2006082225A1 | United States of America | A1 | |
| US7067942B2 | United States of America | B2 | |
| EP1447902A3This record | European Patent Office (EPO) | A3 | |
| US7348695B2 | United States of America | B2 | |
| JP4194383B2 | Japan | B2 |
11 legal events, as the office reported them to INPADOC
Over the term
Point at a mark for the eventEvents
| Event | Code | |
|---|---|---|
| Application withdrawnWithdrawn18W | 18W | |
| Information on the status of an ep patent application or granted ep patentGrantedSTATUS: THE APPLICATION HAS BEEN WITHDRAWNSTAA | STAA | |
| First examination report despatched17Q | 17Q | |
| Designation fees paidAKX | AKX | |
| Request for examination filed17P | 17P | |
| Designated contracting statesAK | AK | |
| Request for extension of the european patentAX | AX | |
| Search report despatchedORIGINAL CODE: 0009013PUAL | PUAL | |
| Designated contracting statesAK | AK | |
| Request for extension of the european patentAX | AX | |
| Public reference made under article 153(3) epc to a published international application that has entered the european phaseORIGINAL CODE: 0009012PUAI | PUAI |
Numbers
- Publication
- 1447902
- Publication, DOCDB
- 1447902
- Publication, EPODOC
- EP1447902
- Application
- 4250763
- Application, DOCDB
- 04250763
- Application, EPODOC
- EP20040250763
Titles3
- German
- Linearmotor, Trägersystem und Belichtungssystem mit einem solchen Linearmotor, und Herstellungsmethode
- English
- Linear motor, stage apparatus, exposure apparatus and device manufacturing method
- French
- Moteur linéaire, étage et système d'exposition pourvu de ce moteur linéaire et sa méthode de fabrication
Classification
- CPC, 7
- H01J37/20
- G03F7/70758
- H01J2237/20221
- H01J2237/20278
- H01J2237/3175
- H02K41/031
- H02K1/276
- IPC, 5
- H02K41 03
- G03F7 20
- H01L21 027
- H01J37 20
- H02K41 035
Designated states2
- Contracting states, 1
- Türkiye
- Extension states, 1
- North Macedonia