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Class Information
Number: 378/136
Name: X-ray or gamma ray systems or devices > Source > Electron tube > With specific cathode
Description: Subject matter including a specific embodiment of a cathode defining particular material or structure.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7609815 |
High brightness--multiple beamlets source for patterned X-ray production |
Oct. 27, 2009 |
| 7576481 |
High voltage stable cathode for x-ray tube |
Aug. 18, 2009 |
| 7542549 |
X-ray source with nonparallel geometry |
Jun. 2, 2009 |
| 7539286 |
Filament assembly having reduced electron beam time constant |
May. 26, 2009 |
| 7529345 |
Cathode header optic for x-ray tube |
May. 5, 2009 |
| 7518134 |
Plasma radiation source for a lithographic apparatus |
Apr. 14, 2009 |
| 7512215 |
X-ray tube electron sources |
Mar. 31, 2009 |
| 7508917 |
X-ray radiator with a photocathode irradiated with a deflected laser beam |
Mar. 24, 2009 |
| 7496179 |
X-ray unit having an x-ray radiator with a thermionic photocathode and a control circuit therefor |
Feb. 24, 2009 |
| 7486774 |
Removable aperture cooling structure for an X-ray tube |
Feb. 3, 2009 |
| 7479646 |
Extreme ultraviolet source with wide angle vapor containment and reflux |
Jan. 20, 2009 |
| 7469040 |
X-ray tube for high dose rates, method of generating high dose rates with X-ray tubes and a method of producing corresponding X-ray devices |
Dec. 23, 2008 |
| 7450690 |
Reduced focal spot motion in a CT X-ray tube |
Nov. 11, 2008 |
| 7424095 |
Modular X-ray tube and method of production thereof |
Sep. 9, 2008 |
| 7412033 |
X-ray radiator with thermionic emission of electrons from a laser-irradiated cathode |
Aug. 12, 2008 |
| 7403595 |
X-ray tube system with disassembled carbon nanotube substrate for generating micro focusing level electron-beam |
Jul. 22, 2008 |
| 7397898 |
X-ray generator and method |
Jul. 8, 2008 |
| 7352846 |
Filament for X-ray tube and X-ray tube having the same |
Apr. 1, 2008 |
| 7346147 |
X-ray tube with cylindrical anode |
Mar. 18, 2008 |
| 7333592 |
X-ray tube |
Feb. 19, 2008 |
| 7327829 |
Cathode assembly |
Feb. 5, 2008 |
| 7298826 |
X-ray generator |
Nov. 20, 2007 |
| 7280637 |
Systems, apparatus and methods for X-ray imaging |
Oct. 9, 2007 |
| 7280636 |
Device and method for producing a spatially uniformly intense source of x-rays |
Oct. 9, 2007 |
| 7274772 |
X-ray source with nonparallel geometry |
Sep. 25, 2007 |
| 7257194 |
Cathode head with focal spot control |
Aug. 14, 2007 |
| 7236569 |
X-ray tube |
Jun. 26, 2007 |
| 7224771 |
Shaped anode x-ray tube |
May. 29, 2007 |
| 7218700 |
System for forming x-rays and method for using same |
May. 15, 2007 |
| 7218703 |
X-ray microscopic inspection apparatus |
May. 15, 2007 |
| 7209544 |
X-ray tube cathode assembly and interface reaction joining process |
Apr. 24, 2007 |
| 7203269 |
System for forming x-rays and method for using same |
Apr. 10, 2007 |
| 7192031 |
Emitter array configurations for a stationary CT system |
Mar. 20, 2007 |
| 7149282 |
X-ray tube electrodes |
Dec. 12, 2006 |
| 7145988 |
Sealed electron beam source |
Dec. 5, 2006 |
| 7130380 |
Extractor cup on a miniature x-ray tube |
Oct. 31, 2006 |
| 7130381 |
Extractor cup on a miniature x-ray tube |
Oct. 31, 2006 |
| 7123689 |
Field emitter X-ray source and system and method thereof |
Oct. 17, 2006 |
| 7085354 |
X-ray tube apparatus |
Aug. 1, 2006 |
| 7062017 |
Integral cathode |
Jun. 13, 2006 |
| 7035377 |
X-ray generator and adjusting method of the same |
Apr. 25, 2006 |
| 7016471 |
Miniature X-ray source device |
Mar. 21, 2006 |
| 6987835 |
Miniature x-ray tube with micro cathode |
Jan. 17, 2006 |
| 6985557 |
X-ray apparatus with field emission current stabilization and method of providing x-ray radiation therapy |
Jan. 10, 2006 |
| 6980627 |
Devices and methods for producing multiple x-ray beams from multiple locations |
Dec. 27, 2005 |
| 6980623 |
Method and apparatus for z-axis tracking and collimation |
Dec. 27, 2005 |
| 6968039 |
Focal spot position adjustment system for an imaging tube |
Nov. 22, 2005 |
| 6961407 |
Device to detect pressure in an x-ray tube |
Nov. 1, 2005 |
| 6937698 |
X-ray generating apparatus having an emitter formed on a semiconductor structure |
Aug. 30, 2005 |
| 6922455 |
Gas-target neutron generation and applications |
Jul. 26, 2005 |
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