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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 465
372/59 Gas maintenance (e.g., purification, replenishment, etc.) 274
372/60 Including a specified gas additive 127
372/56 Metal vapor 177
372/58 With means for controlling gas flow 439


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

Patent Number Title Of Patent Date Issued
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
7116696 Efficient method and apparatus for generating singlet delta oxygen at an elevated pressure Oct. 3, 2006
7099365 Oscillation method and device of fluorine molecular laser Aug. 29, 2006
7095774 Cathodes for fluorine gas discharge lasers Aug. 22, 2006
7095773 Injection locking type or MOPA type of laser device Aug. 22, 2006
7088758 Relax gas discharge laser lithography light source Aug. 8, 2006
7085302 Laser apparatus, exposure apparatus and method Aug. 1, 2006
7079564 Control system for a two chamber gas discharge laser Jul. 18, 2006
7075963 Tunable laser with stabilized grating Jul. 11, 2006
7072375 Line-narrowed gas laser system Jul. 4, 2006
7068697 Adjustable flow guide to accommodate electrode erosion in a gas discharge laser Jun. 27, 2006
7061957 External cavity laser having a set atmosphere Jun. 13, 2006
7061958 Diode-pumped alkali lasers (DPALs) and amplifiers (DPAAs) with reduced buffer gas pressures Jun. 13, 2006
7061959 Laser thin film poly-silicon annealing system Jun. 13, 2006
7061960 Diode-pumped alkali amplifier Jun. 13, 2006
7061961 Very narrow band, two chamber, high rep-rate gas discharge laser system Jun. 13, 2006
7058107 Line selected F2 two chamber laser system Jun. 6, 2006
7058108 Carbon dioxide laser resonator gas Jun. 6, 2006
7058111 Arrangements for increasing sputter life in gas discharge tubes Jun. 6, 2006
7050475 Waveguide laser May. 23, 2006
7050473 Pumping light source for laser-active media May. 23, 2006
7046709 CO.sub.2 waveguide laser with beryllium oxide waveguides May. 16, 2006
7046705 Gas laser transmitter May. 16, 2006
7046713 Discharge laser with porous layer covering anode discharge surface May. 16, 2006
7039088 Enhancement of chemical lasers via control of the ambient radiation environment May. 2, 2006
7039086 Control system for a two chamber gas discharge laser May. 2, 2006
7035012 Optical pulse duration extender Apr. 25, 2006
7035307 Recycling system for a chemical laser system Apr. 25, 2006
7031364 Gas laser device and exposure apparatus using the same Apr. 18, 2006
7031612 Optical transponders and transceivers Apr. 18, 2006
7023893 Low-pressure axial direction excitation type F.sub.2 laser oscillator Apr. 4, 2006
7016388 Laser lithography light source with beam delivery Mar. 21, 2006
7006546 Gas laser electrode, laser chamber employing the electrode, and gas laser device Feb. 28, 2006
7006547 Very high repetition rate narrow band gas discharge laser system Feb. 28, 2006
7006548 Excimer laser device and gas for excimer laser Feb. 28, 2006
7003012 Discharge laser with porous insulating layer covering anode discharge surface Feb. 21, 2006
6999490 Discharge igniter for a waveguide CO.sub.2 laser Feb. 14, 2006
6987790 Excimer or molecular fluorine laser with several discharge chambers Jan. 17, 2006
6985508 Very narrow band, two chamber, high reprate gas discharge laser system Jan. 10, 2006
6985507 Carbon dioxide laser resonator gas Jan. 10, 2006
6983001 Laser with heat transfer system Jan. 3, 2006
6975662 Cylindrical straight slab type gas laser Dec. 13, 2005
6973111 Injection locking type or MOPA type of gas laser device Dec. 6, 2005
6973112 Passive gas flow management and filtration device for use in an excimer or transverse discharge laser Dec. 6, 2005
6970492 DUV and VUV laser with on-line pulse energy monitor Nov. 29, 2005
6965624 Laser gas replenishment method Nov. 15, 2005
6963595 Automatic gas control system for a gas discharge laser Nov. 8, 2005
6956885 Electromagnetic radiation generation using a laser produced plasma Oct. 18, 2005

1 2 3 4 5 6 7 8 9 10 11


 
 
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