The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 13, 2026
Filed:
Nov. 19, 2021
Comet Holding Ag;
Adrian Riedo, Dudingen, CH;
COMET HOLDING AG, Flamatt, CH;
Abstract
An X-ray tube includes a vacuum-sealed tube housing evacuated to a pressure of 10mbar or lower, a cathode assembly inside the housing including an electron emitter adapted to emit electrons when heated at a temperature included in a defined working temperature range and at least one component containing carbon in an amount of at least 20% by weight, especially at least 30% by weight, even more especially at least 50% by weight, the at least one component being preferably designed for holding the emitter, and an anode assembly inside the housing including a target layer for receiving electrons emitted by the electron emitter, wherein the electron emitter preferably includes boride, preferably lanthanum hexaboride (LaB), and wherein the cathode assembly is designed such that if the emitter temperature is included in the working temperature range.