# US 7,410,297 B2 · Apparatus for controlling radiation in a radiation generator > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 7,410,297 B2 - Document ID: US7410297B2 - Status: Granted - Kind: B2 - Application number: 11/675,952 - Filed: 2007-02-16 - Published: 2008-02-21 - Granted: 2008-08-12 - Earliest claimed: 2006-08-18 - Assignees: General Electric Company - Inventors: Senthil Kumar Sundaram - Web page: https://patentgrep.com/patent/US7410297B2 ## CPC - H05G 1/06: X-ray tube and at least part of the power supply apparatus being mounted within the same housing - G21F 1/12: Laminated shielding materials - H05G: X-RAY TECHNIQUE (investigating or analysing materials by the use of X-rays G01N23/00; apparatus for X-ray photography G03B42/02; X-ray tubes H01J35/00; TV systems having X-ray input H04N5/321) - G21F: PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR (radiation protection by pharmaceutical means A61K8/00, A61Q17/04; in cosmonautic vehicles B64G1/54; combined with a reactor G21C11/00; combined with X-ray tubes H01J35/16; combined with X-ray apparatus H05G1/02) ## Abstract An apparatus to control transmission of an electromagnetic radiation generated by a radiation source of a radiation generator is provided. The radiation source includes an anode opposite a cathode. The apparatus comprises at least one printed circuit board assembly fastened at the anode of the radiation generator. The printed circuit board assembly comprises at least one first layer that includes a conduit to receive a mechanical device attaching the anode at the at least one first layer. ## Claims ### Claim 1 An apparatus to control transmission of an electromagnetic radiation generated by a radiation source of a radiation generator, the radiation source including an anode opposite a cathode, the apparatus comprising: at least one printed circuit board assembly fastened at the anode of the radiation source, the printed circuit board assembly comprising at least one first layer that includes a conduit to receive a mechanical device attaching the anode at the at least one first layer. ### Claim 2 (depends on 1) The apparatus of claim 1, wherein the at least one first layer further comprises a first core part and a first peripheral part located radially outward and surrounding the first core part, the first peripheral part comprising a first substrate material selected from the group consisting of an epoxy laminated glass sheet, epoxy laminated paper, ceramic and polyimide. ### Claim 3 (depends on 2) The apparatus of claim 2, wherein the printed circuit board assembly further comprises at least one second layer bound to the first layer, the second layer comprising a second core part and a second peripheral part located radially outward relative to and surrounding the second core part. ### Claim 4 (depends on 3) The apparatus of claim 3, wherein the first core part comprises a central part comprised of an electrically conductive material. ### Claim 5 (depends on 4) The apparatus of claim 4, wherein the first core part further comprises a plurality of radial extensions integral with the central part, the radial extensions being finger-liked shaped and extending radially outward from the central part. ### Claim 6 (depends on 5) The apparatus of claim 5, wherein the first core part further comprises at least one slot coupled to one or more of the plurality of radial extensions. ### Claim 7 (depends on 6) The apparatus of claim 6, wherein the second core part includes at least one slot located in general longitudinal alignment with the at least one slot of the first core part. ### Claim 8 (depends on 5) The apparatus of claim 5, wherein the first core part comprises at least one longitudinal extension coupled in electrical connection to the radial extension, the longitudinal extension aligned perpendicular to the radial extension. ### Claim 9 (depends on 8) The apparatus of claim 8, wherein the central part and the plurality of radial extensions and the at least one longitudinal extension are comprised of a medium of electrically conductive material. ### Claim 10 (depends on 3) The apparatus of claim 3, wherein at least a portion of the second peripheral part in the second layer is printed with a medium of electrically conductive material. ### Claim 11 (depends on 3) The apparatus of claim 3, wherein the second core part comprises a second substrate material selected from the group consisting of an epoxy laminated glass sheet, epoxy laminated paper, ceramic and polyimide. ### Claim 12 (depends on 3) The apparatus of claim 3, further comprising an electrical component mounted at one of the first layer and the second layer. ### Claim 13 A radiation generator, comprising: a radiation source operable to generate an electromagnetic radiation, the radiation source comprising an anode; a power supply circuit electrically coupled to provide electrical power to energize the radiation source; and a radiation control apparatus configured to reduce transmission of electromagnetic radiation generated by the radiation source, the radiation control apparatus comprising at least one printed circuit board assembly fastened at the anode of the radiation source, the printed circuit board assembly comprising at least one first layer that includes a conduit to receive a mechanical device attaching the anode at the at least one first layer. ### Claim 14 (depends on 13) The radiation generator of claim 13, wherein the mechanical device is one of a screw, a fastener or a connector. ### Claim 15 (depends on 13) The radiation generator of claim 13, wherein the printed circuit board assembly is aligned in a plane generally perpendicular to a longitudinal axis of the radiation source. ### Claim 16 (depends on 13) The radiation generator of claim 13, wherein the printed circuit board assembly includes a plurality of first layers laminated together and a plurality of second layers laminated together. ### Claim 17 (depends on 16) The radiation generator of claim 16, wherein each of the plurality of first layers comprise a first core part and a first peripheral part located radially outward relative to and surrounding the first core part, the first core part comprised of a different material relative to the first peripheral part. ### Claim 18 (depends on 16) The radiation generator of claim 16, wherein each of the plurality of second layers comprise a second core part and a second peripheral part located radially outward relative to and surrounding the second core part, the second core part comprised of different material relative to the second peripheral part. ### Claim 19 (depends on 17) The radiation generator (1000) of claim 17, wherein the first core part (1105) includes a central part (1115) comprised of an electrically conductive material printed on an electrically non-conductive material. ### Claim 20 An X ray generator, comprising: an X ray tube operable to generate electromagnetic radiation; a power supply circuit electrically coupled to provide electrical power to energize the X ray tube; and a radiation control apparatus to reduce transmission of electromagnetic radiation generated by the X ray tube, the radiation control apparatus comprising at least one printed circuit board assembly fastened at an anode of the X ray tube, the printed circuit board assembly comprising at least one first layer that includes a conduit to receive a mechanical device therethrough attaching the anode at the at least one first layer.