X-ray tubes

HELECTRICITY H01Electric elements H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS

H01J35/00X-ray tubes

H01J35/02Details H01J35/025X-ray tubes with structurally associated circuit elements H01J35/04Electrodes mutual position thereof and constructional adaptations of the electrodes therefor H01J35/045Electrodes for controlling the current of the cathode ray H01J35/06Cathodes H01J35/065Field emission, photo emission or secondary emission cathodes H01J35/08Anodes Anti cathodes H01J35/10Rotary anodes Arrangements for rotating anodes Cooling rotary anodes H01J35/101Arrangements for rotating anodes H01J35/103Rotating anodes with a magnetic bearing H01J35/105Cooling of rotating anode H01J35/106Active cooling H01J35/108Substrates for and bonding of emissive target H01J35/12Cooling non-rotary anodes H01J35/14Arrangements for concentrating, focusing, or directing the cathode ray H01J35/16Vessels Containers Shields associated therewith H01J35/165joining connectors to the tube H01J35/18Windows H01J35/20Selection of substances for gas fillings Means for obtaining or maintaining the desired pressure within the tube H01J35/22specially designed for passing a very high current for a very short time H01J35/24Tubes wherein the point of impact of the cathode ray on the anode or anti-cathode is movable relative to the surface thereof H01J35/26by rotation of the anode or anti-cathode H01J35/28by vibration, oscillation, reciprocation, or swash-plate motion of the anode or anti-cathode H01J35/30by deflection of the cathode ray H01J35/305by using a rotating X-ray tube in conjunction therewith H01J35/32Tubes wherein the X-rays are produced at or near the end of the tube or a part thereof which tube or part has a small cross-section to facilitate introduction into a small hole or cavity