Patents for H01J 35 - X-ray tubes (6,913)
03/1991
03/06/1991EP0415847A1 X-ray tube rotating anticathode
02/1991
02/19/1991US4995069 X-ray tube apparatus with protective resistors
02/19/1991US4995065 X-ray tube cooling devices
02/13/1991EP0412868A1 X-ray tube cathode and tube provided with such a cathode
02/13/1991CN1011645B Polyelement metal halide mixture pellet for lamp and its preparation method
02/12/1991US4993055 Rotating X-ray tube with external bearings
02/12/1991US4993054 Brazed X-ray tube anode assembly
02/06/1991EP0411492A2 High voltage vacuum insulating container
02/05/1991US4991194 Rotating anode for X-ray tube
01/1991
01/29/1991US4988534 Titanium carbide coating of bearing components
01/24/1991DE3923571A1 X=ray tube with anode - having barrier portion preventing alloying between target and anode body
01/23/1991CN1011368B X-ray tube target
01/02/1991EP0405897A2 Coated article
01/02/1991EP0405133A1 Improved thermal emissive coating for X-Ray Targets
12/1990
12/26/1990CA2019744A1 Coated article
12/25/1990US4980141 Hexagonal-bipyramid crystalline scandium oxide powder and a process for preparing the same
12/18/1990US4979199 Microfocus X-ray tube with optical spot size sensing means
12/18/1990US4978051 X-ray tube target
12/18/1990CA1278017C X-ray source
12/12/1990EP0401602A1 Method and apparatus for forming coatings of finegrated and/or equiaxed grain structure and articles resulting therefrom.
12/04/1990US4975621 Coated article with improved thermal emissivity
11/1990
11/28/1990EP0399621A1 Graphite-refractory metal composite
11/28/1990EP0398995A1 Plasma x-ray tube, in particular for x-ray preionizing of gas lasers, and use as electron gun.
11/20/1990US4972449 X-ray tube target
11/06/1990US4969173 X-ray tube comprising an annular focus
11/06/1990US4969172 X-ray tube rotor structure
10/1990
10/16/1990US4964148 Air cooled metal ceramic x-ray tube construction
10/16/1990US4964147 Rotating anode X-ray tube comprising anodic current flow device
10/09/1990US4962519 Lubricated bearing retainer for X-ray tube
10/03/1990EP0389799A2 Titanium carbide coating of bearing components
09/1990
09/26/1990EP0389326A1 Beam switching X-ray tube with deflection plates
09/18/1990US4958365 Medical imaging device using triggered plasma cathode flash X-ray source
09/18/1990US4958364 Rotating anode of composite material for X-ray tubes
09/11/1990US4956858 Method of producing lubricated bearings
09/11/1990CA1273984A2 High-intensity x-ray source having a rotating vacuum chamber
09/04/1990US4955045 Plasma X-ray tube, in particular for X-ray preionization of gas lasers and method for produicng X-radiation with such an X-ray tube
08/1990
08/29/1990EP0384705A2 Method of producing lubricated bearings
08/28/1990US4953191 High intensity x-ray source using liquid gallium target
08/28/1990US4953190 Thermal emissive coating for x-ray targets
08/21/1990US4950962 High voltage switch tube
08/14/1990US4949369 X-ray tube
08/14/1990US4949368 Bearing assembly and rotating anode X-ray tube device employing bearing assembly
08/07/1990US4947415 Flash x-ray apparatus
07/1990
07/31/1990US4945562 X-ray target cooling
07/31/1990US4944448 Composite electron beam target for use in X-ray imaging system and method of making same
07/24/1990US4943989 X-ray tube with liquid cooled heat receptor
07/18/1990EP0378274A2 Rotary anode X-ray tube with at least two spirally grooved bearings
07/18/1990EP0378273A2 Rotary anode X-ray tube with a gliding bearing, particularly a spirally grooved bearing
07/11/1990EP0377534A1 X-ray tube apparatus
07/10/1990CA1271511A1 X-ray source employing cold cathode gas discharge tube with collimated beam
07/04/1990CN2059023U Glass structure x-ray tube with flange
07/04/1990CN1008671B X-ray source
07/03/1990US4939762 Target for X-ray tube as well as method of manufacturing the same, and X-ray tube
06/1990
06/27/1990EP0374289A1 Computer tomograph using periodical focus deflecting
06/20/1990EP0373705A2 Rotating anode X-ray tube with a liquid lubricant
06/19/1990US4935948 X-ray tube noise reduction by mounting a ring mass
05/1990
05/23/1990EP0369529A1 X-ray tube
05/22/1990US4928296 Apparatus for cooling an X-ray device
05/08/1990US4924485 Portable radiography system using a relativistic electron beam
05/02/1990EP0366372A1 A multitarget x-ray tube
05/02/1990CN1007851B X-ray tube with thread groove bearing
04/1990
04/25/1990EP0364483A1 Radiogenic tube with low stem radiation
04/24/1990US4920554 Compact type X-ray emitter
04/24/1990US4920551 Rotating anode X-ray tube
04/24/1990US4920012 Durable heat resistant x-ray targets
04/11/1990EP0363248A1 Cooling devices for X-ray tubes
04/11/1990CN1007561B High intensity radiation apparatus
04/10/1990US4916355 Generator for generating high energy electrons in a gas
04/10/1990US4916015 Heat dissipation means for X-ray generating tubes
04/03/1990US4914684 Titanium carbide coating of bearing components
04/03/1990US4914681 For generating an image of a slice of an examination subject
03/1990
03/28/1990EP0360654A1 Suspension system for an X-ray tube rotary anode with passive magnetic bearings
03/28/1990EP0359865A1 Anode plate for a rotary anode X-ray tube
03/27/1990US4912739 Rotating anode X-ray tube with deflected electron beam
03/27/1990US4912731 Plasma focus apparatus with field distortion elements
02/1990
02/28/1990EP0355192A1 Omnidirectional X-ray tube
02/20/1990US4903287 Radiation source for generating essentially monochromatic x-rays
02/13/1990US4901338 Graphite substrate with high melting metal focal track coating heat resistance, high voltage
02/07/1990EP0353966A2 Cooling the target of an X-ray tube
02/06/1990US4899354 Roentgen lithography method and apparatus
01/1990
01/23/1990CA1264801A1 Support for an x-ray tube rotating anticathode
01/17/1990EP0351225A2 A bearing assembly for a rotating anode X-ray tube device
01/16/1990US4894853 Cathode cup improvement
01/11/1990DE3922279A1 Bearing and a X-ray tube with a rotating anode in which the bearing is employed
01/03/1990EP0349388A1 X-ray tube with self-limitation of the electron flux by saturation
01/03/1990EP0349387A1 Indirectly heated X-ray tube with a flat cathode
01/03/1990EP0349386A1 X-ray tube with a variable focal spot adjusting itself to the charge
01/02/1990US4891832 For use with a high voltage supply
01/02/1990US4891831 X-ray tube and method for generating X-rays in the X-ray tube
12/1989
12/20/1989CN1038072A Crystal powder of hexagonal bipyramid scandium oxide and preparation method thereof
11/1989
11/28/1989US4884292 Air-cooled X-ray tube
11/23/1989EP0342207A1 Target positioning for minimum debris
10/1989
10/31/1989US4878235 High intensity x-ray source using bellows
10/24/1989US4876705 X-ray tube with a molybdenum target
10/19/1989WO1989010004A1 Plasma x-ray tube, in particular for x-ray preionizing gas lasers, process for producing x-ray radiation with said x-ray tube and use of said x-ray tube
10/19/1989WO1989010003A1 Plasma x-ray tube, in particular for x-ray preionizing of gas lasers, and use as electron gun
10/11/1989EP0336282A1 Plasma X-ray tube, especially for X-ray-preionization of gas lasers, method for generating X-rays with such an X-ray tube and usage of the latter
10/10/1989US4873709 X-ray generator with grooved rotary anode
09/1989
09/26/1989US4870672 Ceramic coating of alumina, titania and zirconia
09/26/1989US4870671 Multitarget x-ray tube
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