Electrodes for fluorine gas discharge lasers
View Patent ↗Fluorine gas discharge laser electrodes and electrode systems that may comprise a plurality of current return tangs extending for less than the respective length of the second elongated gas discharge electrode. In addition electrodes may comprise a first discharge shaping magnet mounted in a first elongated gas discharge electrode and a second discharge shaping magnet mounted in a second elongated gas discharge electrode. Also is an electrode may comprise a crown straddling the centerline axis between the pair of side walls and the pair of end walls, comprising a first material, forming at least a portion of the discharge region of the electrode and a pair of elongated high erosion regions on either side of the crown comprising a second material with a relatively higher erosion rate during gas discharge than that of the first material.
1. A gas discharge laser comprising a laser gas containing fluorine, comprising:
an elongated gas discharge electrode comprising:
an elongated electrode body having a centerline axis;
a pair of side walls on either side of the centerline axis;
a pair of end walls transverse to the centerline axis;
a crown straddling the centerline axis between the pair of side walls and, the pair of end walls, comprising a first material, forming at least a portion of the discharge region of the electrode;
a pair of elongated high erosion regions on either side of the crown comprising a second material with a relatively higher erosion rate during gas discharge than that of the first material.
2. The apparatus of claim 1 further comprising:
the second material is chose from a group of high erosion rate alloys.
3. The apparatus of claim 1 further comprising:
the second material is chosen from a group including materials comprising high zinc alloys, high tin alloys, glidcop, indium and aluminum.
4. The apparatus of claim 2 further comprising:
the second material is chosen from a group including materials comprising high zinc alloys, high tin alloys, glidcop, indium and aluminum.
5. The apparatus of claim 1 further comprising:
the first material comprising copper or copper alloy.
6. The apparatus of claim 2 further comprising:
the first material comprising copper or copper alloy.
7. The apparatus of claim 3 further comprising:
the first material comprising copper or copper alloy.
8. The apparatus of claim 4 further comprising:
the first material comprising copper or copper alloy.
9. The apparatus of claim 5 further comprising:
the first material is bonded to the second material by a process that creates a differential composition but single piece material.
10. The apparatus of claim 6 further comprising:
the first material is bonded to the second material by a process that creates a differential composition but single piece material.
11. The apparatus of claim 7 further comprising:
the first material is bonded to the second material by a process that creates a differential composition but single piece material.
12. The apparatus of claim 8 further comprising:
the first material is bonded to the second material by a process that creates a differential composition but single piece material.
13. The apparatus of claims 9 further comprising:
the first material is bonded t the second material by a process selected from the group of diffusing bonding, explosion bonding, cladding, ultrasonic welding and galvanizing.
14. The apparatus of claims 10 further comprising:
the first material is bonded t the second material by a process selected from the group of diffusing bonding, explosion bonding, cladding, ultrasonic welding and galvanizing.
15. The apparatus of claims 11 further comprising:
the first material is bonded t the second material by a process selected from the group of diffusing bonding, explosion bonding, cladding, ultrasonic welding and galvanizing.
16. The apparatus of claims 12 further comprising:
the first material is bonded t the second material by a process selected from the group of diffusing bonding, explosion bonding, cladding, ultrasonic welding and galvanizing.
17. The apparatus of claim 5 further comprising:
the high erosion regions are formed by creating a channel on either side of the crown and filling each channel with a molten form of the second material and machining the shape of the second material after it hardens.
18. The apparatus of claim 6 further comprising:
the high erosion regions are formed by creating a channel on either side of the crown and filling each channel with a molten form of the second material and machining the shape of the second material after it hardens.
19. The apparatus of claim 7 further comprising:
the high erosion regions are formed by creating a channel on either side of the crown and filling each channel with a molten form of the second material and machining the shape of the second material after it hardens.
20. The apparatus of claim 8 further comprising:
the high erosion regions are formed by creating a channel on either side of the crown and filling each channel with a molten form of the second material and machining the shape of the second material after it hardens.
21. The apparatus of claim 5 further comprising:
the high erosion regions comprise an annealed brass allow with a high zinc content.
22. The apparatus of claim 6 further comprising:
the high erosion regions comprise an annealed brass allow with a high zinc content.
23. The apparatus of claim 7 further comprising:
the high erosion regions comprise an annealed brass allow with a high zinc content.
24. The apparatus of claim 8 further comprising:
the high erosion regions comprise an annealed brass allow with a high zinc content.
25. The apparatus of claim 21 further comprising:
the annealed brass alloy is chosen from the group comprising:
C26000, C27000 and C28000.
26. The apparatus of claim 22 further comprising:
the annealed brass alloy is chosen from the group comprising:
C26000, C27000 and C28000.
27. The apparatus of claim 23 further comprising:
the annealed brass alloy is chosen from the group comprising:
C26000, C27000 and C28000.
28. The apparatus of claim 24 further comprising:
the annealed brass alloy is chosen from the group comprising:
C26000, C27000 and C28000.
29. The apparatus of claim 21 further comprising:
the annealed brass alloy is annealed at temperatures in excess of 1200 F.
30. The apparatus of claim 22 further comprising:
the annealed brass alloy is annealed at temperatures in excess of 1200 F.
31. The apparatus of claim 23 further comprising:
the annealed brass alloy is annealed at temperatures in excess of 1200 F.
32. The apparatus of claim 24 further comprising:
the annealed brass alloy is annealed at temperatures in excess of 1200 F.
33. The apparatus of claim 21 further comprising:
the annealed brass alloy comprises:
a thin film of zinc on the surface of the annealed brass alloy.
34. The apparatus of claim 22 further comprising:
the annealed brass alloy comprises:
a thin film of zinc on the surface of the annealed brass alloy.
35. The apparatus of claim 23 further comprising:
the annealed brass alloy comprises:
a thin film of zinc on the surface of the annealed brass alloy.
36. The apparatus of claim 24 further comprising:
the annealed brass alloy comprises:
a thin film of zinc on the surface of the annealed brass alloy.