Method for producing a master, master and method for producing an optical element and optical element
Abstract
The invention relates to a method for producing a master for producing optical elements with optically active structures by molding structures formed on the master on a surface of an optical substrate, comprising the following steps: providing a substrate; Coating a surface of the substrate to form a coating on the substrate; and patterning the coating to form structures in the coating. The invention also relates to a master for producing optical elements, to a method for producing optical elements, and to an optical element having at least one surface on which optically active structures are formed at least in sections.
Term
Term ended
Projected expiry passed 25 April 2025, 1.4 years ago.
- Priority
- Filed
- Published
- Projected expiry
- Today
Every citation, both ways
| Document | Relation | Office | Category | Cited during | Relevant claims |
|---|---|---|---|---|---|
| EP0580112A1 | Cites | European Patent Office (EPO) | X | Search report | 1-28 |
| US4842633A | Cites | United States of America | X | Search report | 1-28 |
| US5575962A | Cites | United States of America | X | Search report | 1-28 |
| US5958469A | Cites | United States of America | X | Search report | 1-28 |
5 priority claims, no other members on record
Priority claims5
| Document | Office | Kind | Date |
|---|---|---|---|
| 102004020363 | Germany | A | |
| 102004020363 | Germany | A | |
| 102004020363 | Germany | – | |
| 102004020363 | – | – | – |
| DE20041020363 | – | – | – |
11 legal events, as the office reported them to INPADOC
Over the term
Point at a mark for the eventEvents
| Event | Code | |
|---|---|---|
| Application refused18R | 18R | |
| Information on the status of an ep patent application or granted ep patentGrantedSTATUS: THE APPLICATION HAS BEEN REFUSEDSTAA | STAA | |
| Designation fees paidAKX | AKX | |
| First examination report despatched17Q | 17Q | |
| Designated contracting statesAK | AK | |
| Request for extension of the european patentAX | AX | |
| Search report despatchedORIGINAL CODE: 0009013PUAL | PUAL | |
| Request for examination filed17P | 17P | |
| 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
- 1588989
- Publication, DOCDB
- 1588989
- Publication, EPODOC
- EP1588989
- Application
- 5103338
- Application, DOCDB
- 05103338
- Application, EPODOC
- EP20050103338
Titles3
- German
- Verfahren zur Herstellung eines Masters, Master und Verfahren zur Herstellung von optischen Elementen sowie optisches Element
- English
- Method for producing a master, master and method for producing an optical element and optical element
- French
- Procede pour produire un modele, modele et procede de produire un element optique et element optique
Classification
- CPC, 12
- G02B5/1852
- B29C33/42
- B29C33/56
- B29L2011/00
- C03B11/086
- C03B2215/11
- C03B2215/16
- C03B2215/17
- C03B2215/20
- C03B2215/412
- G03H2001/0284
- G03H2001/0296
- IPC, 14
- C03B11 08
- G02B5 18
- B05D3 10
- B29C33 38
- B29C33 42
- B29C33 56
- B29C43 36
- B29C45 26
- B29L11 00
- C03B9 48
- C03B11 00
- C03B17 00
- C03B19 02
- G02B3 00
Designated states36
- Contracting states, 30
- Austria
- Belgium
- Bulgaria
- Switzerland
- Cyprus
- Czechia
- Germany
- Denmark
- Estonia
- Spain
- Finland
- France
- United Kingdom
- Greece
- Hungary
- Ireland
- Iceland
- Italy
- Liechtenstein
- Lithuania
- Luxembourg
- Monaco
- Netherlands (Kingdom of the)
- Poland
and 6 moreShow fewer
- Portugal
- Romania
- Sweden
- Slovenia
- Slovakia
- Türkiye
- Extension states, 6
- Albania
- Bosnia and Herzegovina
- Croatia
- Latvia
- North Macedonia
- Yugoslavia, later Serbia and Montenegro (until 2006)