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Class Information
Number: 372/59
Name: Coherent light generators > Particular active media > Gas > Gas maintenance (e.g., purification, replenishment, etc.)
Description: Subject matter including means for maintaining the operational level of the active medium.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7595463 |
Laser processing machine with monitoring of gas atmosphere and operating gases |
Sep. 29, 2009 |
| 7580439 |
Gas laser oscillator |
Aug. 25, 2009 |
| 7551661 |
Gas laser oscillator |
Jun. 23, 2009 |
| 7529285 |
Frequency stabilised gas laser |
May. 5, 2009 |
| 7522650 |
Gas discharge laser chamber improvements |
Apr. 21, 2009 |
| 7496126 |
Gas laser oscillator and method of measuring laser gas replacement amount |
Feb. 24, 2009 |
| 7469000 |
Gas lasers including nanoscale catalysts and methods for producing such lasers |
Dec. 23, 2008 |
| 7372887 |
Excimer laser device, laser gas exchange method and partial gas exchange quantity calculation method |
May. 13, 2008 |
| 7342948 |
Blower used for laser oscillator |
Mar. 11, 2008 |
| 7339972 |
Laser filament imager |
Mar. 4, 2008 |
| 7277464 |
Method and apparatus for controlling the output of a gas discharge laser system |
Oct. 2, 2007 |
| 7266137 |
Laser gas replenishment method |
Sep. 4, 2007 |
| 7239656 |
Closed-loop purging system for laser |
Jul. 3, 2007 |
| 7203216 |
Timing control for two-chamber gas discharge laser system |
Apr. 10, 2007 |
| 7158554 |
Methods and apparatus for regenerating fuels in a solid generator chemical oxygen iodine laser |
Jan. 2, 2007 |
| 7149237 |
Laser oscillator |
Dec. 12, 2006 |
| 7130324 |
Axial flow type gas laser oscillator |
Oct. 31, 2006 |
| 7088751 |
Solid-state laser apparatus |
Aug. 8, 2006 |
| 7085302 |
Laser apparatus, exposure apparatus and method |
Aug. 1, 2006 |
| 7075963 |
Tunable laser with stabilized grating |
Jul. 11, 2006 |
| 7061961 |
Very narrow band, two chamber, high rep-rate gas discharge laser system |
Jun. 13, 2006 |
| 7023895 |
Integrated dual source recycling system for chemical laser weapon systems |
Apr. 4, 2006 |
| 7023893 |
Low-pressure axial direction excitation type F.sub.2 laser oscillator |
Apr. 4, 2006 |
| 6985508 |
Very narrow band, two chamber, high reprate gas discharge laser system |
Jan. 10, 2006 |
| 6973112 |
Passive gas flow management and filtration device for use in an excimer or transverse discharge laser |
Dec. 6, 2005 |
| 6963595 |
Automatic gas control system for a gas discharge laser |
Nov. 8, 2005 |
| 6940886 |
Laser oscillator |
Sep. 6, 2005 |
| 6932944 |
High efficiency scrubber for waste gas abatement |
Aug. 23, 2005 |
| 6931046 |
High power laser having a trivalent liquid host |
Aug. 16, 2005 |
| 6922428 |
Gas laser apparatus for lithography |
Jul. 26, 2005 |
| 6914927 |
Laser discharge chamber passivation by plasma |
Jul. 5, 2005 |
| 6882674 |
Four KHz gas discharge laser system |
Apr. 19, 2005 |
| 6879617 |
Two stage laser system |
Apr. 12, 2005 |
| 6868106 |
Resonator optics for high power UV lasers |
Mar. 15, 2005 |
| 6865210 |
Timing control for two-chamber gas discharge laser system |
Mar. 8, 2005 |
| 6859482 |
Modular gas laser discharge unit |
Feb. 22, 2005 |
| 6842473 |
Water getter devices for laser amplifiers and process for the manufacture thereof |
Jan. 11, 2005 |
| 6839372 |
Gas discharge ultraviolet laser with enclosed beam path with added oxidizer |
Jan. 4, 2005 |
| 6839373 |
Ultra-narrow band flourine laser apparatus |
Jan. 4, 2005 |
| 6826221 |
Laser oscillator |
Nov. 30, 2004 |
| 6816536 |
Method and apparatus for in situ protection of sensitive optical materials |
Nov. 9, 2004 |
| 6801554 |
Laser oscillating apparatus, exposure apparatus, and device fabrication method |
Oct. 5, 2004 |
| 6798814 |
Gas discharge laser, method of operating a gas discharge laser, and use of a sintered filter |
Sep. 28, 2004 |
| 6798813 |
Closed-loop purging system for laser |
Sep. 28, 2004 |
| 6798812 |
Two chamber F2 laser system with F2 pressure based line selection |
Sep. 28, 2004 |
| 6795473 |
Narrow band excimer laser with a prism-grating as line-narrowing optical element |
Sep. 21, 2004 |
| 6792023 |
Method and apparatus for reduction of spectral fluctuations |
Sep. 14, 2004 |
| 6782029 |
Dedusting unit for a laser optical element of a gas laser and method for assembling |
Aug. 24, 2004 |
| 6771685 |
Discharge electrodes connecting structure for laser apparatus and laser apparatus therewith |
Aug. 3, 2004 |
| 6757316 |
Four KHz gas discharge laser |
Jun. 29, 2004 |
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