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uvlaser [2015/07/28 11:43] – muellerauvlaser [2015/07/28 13:34] (current) – muellera
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 === Known issues === === Known issues ===
-  * The laser needs at least 30-40 minutes to warm up. After about 10-20 minutes it is possible to start lasing, however the machine doesn't have it's full power yet. In order to get to a defined state, you will need to cut for at least 10 minutes into a dummy substrate, just leaving the machine switched on won't do the trick!+  * The laser needs at least 60 minutes to warm up. After about 30 minutes it is possible to start lasing, however the machine doesn't have it's full power yet. In order to get to a defined state, you will need to cut for at least 30 minutes into a dummy substrate, just leaving the machine switched on won't do the trick!
   * The laser loses power over time. This can be checked by a reference cut into silicon: The following parameters should cut through a piece of 300 µm Si wafer:\\   * The laser loses power over time. This can be checked by a reference cut into silicon: The following parameters should cut through a piece of 300 µm Si wafer:\\
  
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 | 02.07.2012  | Scanner axes not orthogornal                                | We will need a new calibration                                    | Angle of around 0.2° between X and Y. {{:laser:reklamation_trumpf_kalibrierung.doc|Letter to TRUMPF}}                                                          | | 02.07.2012  | Scanner axes not orthogornal                                | We will need a new calibration                                    | Angle of around 0.2° between X and Y. {{:laser:reklamation_trumpf_kalibrierung.doc|Letter to TRUMPF}}                                                          |
 | 30.07.2012  | Security lamp broken                                        | Replaced                                                          | New lamps need to be ordered, placed order in conrad list                                                                                                      | | 30.07.2012  | Security lamp broken                                        | Replaced                                                          | New lamps need to be ordered, placed order in conrad list                                                                                                      |
- +| 24.07.2012  | Microscope objective 100T                           | Changed                   | Marking field is 50x50 mm, CAD-files need to be adjusted , new parameters have to be found  |
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