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Class Information
Number: 372/55
Name: Coherent light generators > Particular active media > Gas
Description: Subject matter wherein the active media is in a gaseous form.


Sub-classes under this class:

Class Number Class Name Patents
372/61 Discharge tube feature 385
372/57 Excimer or exciplex 462
372/59 Gas maintenance (e.g., purification, replenishment, etc.) 274
372/60 Including a specified gas additive 127
372/56 Metal vapor 176
372/58 With means for controlling gas flow 438


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11

Patent Number Title Of Patent Date Issued
7372887 Excimer laser device, laser gas exchange method and partial gas exchange quantity calculation method May. 13, 2008
7369596 Chamber for a high energy excimer laser source May. 6, 2008
7366213 MOPA excimer or molecular fluorine laser system with improved synchronization Apr. 29, 2008
7366219 Line narrowing module Apr. 29, 2008
7346093 DUV light source optical element improvements Mar. 18, 2008
7342948 Blower used for laser oscillator Mar. 11, 2008
7339972 Laser filament imager Mar. 4, 2008
7339973 Electrodes for fluorine gas discharge lasers Mar. 4, 2008
7321607 External optics and chamber support system Jan. 22, 2008
7315561 Laser generator Jan. 1, 2008
7308013 Excimer or molecular fluorine laser system with precision timing Dec. 11, 2007
7301980 Halogen gas discharge laser electrodes Nov. 27, 2007
7298770 Laser spectral engineering for lithographic process Nov. 20, 2007
7295591 Long-pulse pulse power system for gas discharge laser Nov. 13, 2007
7292616 CO.sub.2 laser stabilization systems and methods Nov. 6, 2007
7286575 Diode pumped alkali vapor fiber laser Oct. 23, 2007
7286574 Infrared laser Oct. 23, 2007
7283575 Narrow band electric discharge gas laser having improved beam direction stability Oct. 16, 2007
7283576 Optically-pumped DUV atomic vapor lasers Oct. 16, 2007
7277464 Method and apparatus for controlling the output of a gas discharge laser system Oct. 2, 2007
7274722 CO.sub.2 slab laser Sep. 25, 2007
7263116 Dielectric coupled CO.sub.2 slab laser Aug. 28, 2007
7260134 Dielectric coupled CO.sub.2 slab laser Aug. 21, 2007
7257144 Rare gas-halogen excimer lasers with baffles Aug. 14, 2007
7251263 Capillary discharge x-ray laser Jul. 31, 2007
7251027 Real time in situ monitoring of a solution Jul. 31, 2007
7239656 Closed-loop purging system for laser Jul. 3, 2007
7230967 Waveguide laser Jun. 12, 2007
7230964 Lithography laser with beam delivery and beam pointing control Jun. 12, 2007
7230965 Anodes for fluorine gas discharge lasers Jun. 12, 2007
7218661 Line selected F.sub.2 two chamber laser system May. 15, 2007
7215695 Discharge excitation type pulse laser apparatus May. 8, 2007
7203216 Timing control for two-chamber gas discharge laser system Apr. 10, 2007
7203217 Narrow band electric discharge gas laser having improved beam direction stability Apr. 10, 2007
7199330 Systems and methods for forming a laser beam having a flat top Apr. 3, 2007
7194015 Laser oscillating apparatus and laser working machine Mar. 20, 2007
7190707 Gas discharge laser light source beam delivery unit Mar. 13, 2007
7190708 Annealed copper alloy electrodes for fluorine containing gas discharge lasers Mar. 13, 2007
7184204 Master-oscillator power-amplifier (MOPA) excimer or molecular fluorine laser system with long optics lifetime Feb. 27, 2007
7184216 Optical pulse duration extender Feb. 27, 2007
7173954 Gas laser oscillation device Feb. 6, 2007
7167499 Very high energy, high stability gas discharge laser surface treatment system Jan. 23, 2007
7164703 Temperature control systems for excimer lasers Jan. 16, 2007
7154931 Laser with Brayton cycle outlet pump Dec. 26, 2006
7154928 Laser output beam wavefront splitter for bandwidth spectrum control Dec. 26, 2006
7154925 Gas laser oscillator Dec. 26, 2006
7149234 High repetition rate gas discharge laser with precise pulse timing control Dec. 12, 2006
7145926 RF excited gas laser Dec. 5, 2006
7139301 Laser spectral engineering for lithographic process Nov. 21, 2006
7116695 Laser output light pulse beam parameter transient correction system Oct. 3, 2006

1 2 3 4 5 6 7 8 9 10 11


 
 
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