[특허]Enhanced dielectric-wall linear accelerator

Enhanced dielectric-wall linear accelerator 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	H05H-009/00
출원번호	US-0773804 (1996-12-18)
발명자 / 주소	Sampayan Stephen E. Caporaso George J. Kirbie Hugh C.
출원인 / 주소	The United States of America as represented by the Department of Energy
대리인 / 주소	Daubenspeck
인용정보	피인용 횟수 : 89 인용 특허 : 0

초록 ▼

A dielectric-wall linear accelerator is enhanced by a high-voltage, fast e-time switch that includes a pair of electrodes between which are laminated alternating layers of isolated conductors and insulators. A high voltage is placed between the electrodes sufficient to stress the voltage breakdown of the insulator on command. A light trigger, such as a laser, is focused along at least one line along the edge surface of the laminated alternating layers of isolated conductors and insulators extending between the electrodes. The laser is energized to initiate a surface breakdown by a fluence of photons, thus causing the electrical switch to close very promptly. Such insulators and lasers are incorporated in a dielectric wall linear accelerator with Blumlein modules, and phasing is controlled by adjusting the length of fiber optic cables that carry the laser light to the insulator surface.

대표청구항 ▼

[ The invention claimed is:] [1.] A linear accelerator (linac), comprising:a first plane with a first flat planar conductor having a first central hole, and connected to a common potential;a second plane adjacent to and parallel with the first plane and having a second flat planar conductor with a second central hole that shares an axis with said first central hole, and switchable to both said common potential and a high voltage potential;a third plane adjacent to and parallel with the second plane and having a third flat planar conductor with a third central hole that shares said axis with said first and second central holes, and connected to a common potential;a first dielectric volume that fills the space separating said first and second planar conductors and that comprises a first layered insulator assembly with a first dielectric constant;a second dielectric volume that fills the space separating said second and third planar conductors and that comprises a second layered insulator assembly with a second dielectric constant that is substantially greater than the dielectric constant of said first material, wherein a substantial difference in electrical signal wavefront propagation velocity exists between the first and second dielectric volumes from the outside perimeters of the first through third flat planar conductors and their respective first through third central holes;a laser directed to focus a fluence of photons on the outside edges of said first through third flat planar conductors for repeated initiation of a short circuit of a high voltage, wherein, an accelerating field is momentarily created in one direction along said axis through said first through third central holes; anda dielectric sleeve fitted through the inside diameters of said first through third central holes as a hollow tube open to pass a particle beam along said axis;wherein the dielectric sleeve comprises alternating layers of metals and dielectrics in planes orthogonal to said axis.

이 특허를 인용한 특허 (89)

Heid, Oliver, Accelerator for charged particles.
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Zwart, Gerrit Townsend; Cooley, James, Active return system.
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Zwart, Gerrit Townsend; Gall, Kenneth P.; Van der Laan, Jan; Rosenthal, Stanley; Busky, Michael; O'Neal, III, Charles D.; Franzen, Ken Yoshiki, Adjusting energy of a particle beam.
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Laberge, Michel G.; Reynolds, Meritt, Apparatus for accelerating and compressing plasma.
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Stark, James M.; Rosenthal, Stanley J.; Wagner, Miles S.; Ahearn, Michael J., Applying a particle beam to a patient.
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Heid, Oliver, Cascade accelerator.
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Gall, Kenneth, Charged particle radiation therapy.
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Gall, Kenneth; Rosenthal, Stanley; Row, Gordon; Ahearn, Michael, Charged particle radiation therapy.
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Jones, Mark R.; Robinson, Mark; Franzen, Ken Yoshiki, Coil positioning system.
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Zwart, Gerrit Townsend; Jones, Mark R.; Cooley, James, Collimator and energy degrader.
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Caporaso,George J.; Sampayan,Stephen E.; Kirbie,Hugh C., Compact accelerator.
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Heid, Oliver, DC high voltage source and particle accelerator.
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Hall, David R.; Crockett, Ronald B.; Dahlgren, Scott, Degradation assembly.
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Hall, David R.; Hall, Jr., H. Tracy, Dense diamond body.
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Stuart, Martin A., Dielectric wall accelerator utilizing diamond or diamond like carbon.
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Reynolds,David C., Electron beam accelerator and ceramic stage with electrically-conductive layer or coating therefor.
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Reijonen, Jani; Groves, Joel Lee, Floating intermediate electrode configuration for downhole nuclear radiation generator.
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Gall, Kenneth P.; Zwart, Gerrit Townsend; Van der Laan, Jan; O'Neal, III, Charles D.; Franzen, Ken Yoshiki, Focusing a particle beam.
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Zwart, Gerrit Townsend; Gall, Kenneth P.; Van der Laan, Jan; O'Neal, III, Charles D.; Franzen, Ken Yoshiki, Focusing a particle beam using magnetic field flutter.
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Hall, David R.; Crockett, Ronald B.; Webb, Casey; Beazer, Michael, High impact resistant tool with an apex width between a first and second transitions.
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Joshkin, Vladimir Andreevich; Zografos, Antonios, High voltage RF opto-electric multiplier for charge particle accelerations.
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Werne, Roger W.; Sampayan, Stephen; Harris, John Richardson, High voltage switches having one or more floating conductor layers.
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Chou, Weiren; Wildman, David; Takagi, Akira, Inductive load broadband RF system.
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Gall, Kenneth P.; Rosenthal, Stanley J.; Row, Gordon D.; Ahearn, Michael J., Inner gantry.
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Gall, Kenneth P.; Rosenthal, Stanley; Row, Gordon D.; Ahearn, Michael J., Inner gantry.
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Gall, Kenneth; Rosenthal, Stanley; Row, Gordon; Ahearn, Michael, Inner gantry.
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Gall, Kenneth; Rosenthal, Stanley; Row, Gordon; Ahearn, Michael, Inner gantry.
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Gall, Kenneth P.; Zwart, Gerrit Townsend, Interrupted particle source.
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Gall, Kenneth; Zwart, Gerrit Townsend, Interrupted particle source.
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Hall, David R., Layered polycrystalline diamond.
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Hall, David R., Layered polycrystalline diamond.
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Gall, Kenneth P.; Zwart, Gerrit Townsend; Van Der Laan, Jan; Franzen, Ken Yoshiki, Magnetic field regenerator.
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Zwart, Gerrit Townsend; Van der Laan, Jan; Gall, Kenneth P.; Sobczynski, Stanislaw P., Magnetic shims to alter magnetic fields.
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Mackie, Thomas R.; Hecht, Adam A.; Bisognano, Joseph J., Mass spectrometer using an accelerating traveling wave.
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O'Neal, III, Charles D.; Molzahn, Adam C.; Vincent, John J., Matching a resonant frequency of a resonant cavity to a frequency of an input voltage.
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Lu, Weiguo; Ruchala, Kenneth J.; Olivera, Gustavo H.; Schnarr, Eric; Kapatoes, Jeffrey M.; Mackie, Thomas R.; Reckwerdt, Paul J., Method and system for adapting a radiation therapy treatment plan based on a biological model.
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Ruchala, Kenneth J.; Olivera, Gustavo H.; Lu, Weiguo; Schnarr, Eric; Haimerl, Jason; Mackie, Thomas R.; Kapatoes, Jeffrey M., Method and system for evaluating delivered dose.
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Fordyce, II, Gerald D.; Ruchala, Kenneth J.; Schnarr, Eric; Chen, Yu; Reitz, Graham T.; Finley, Scott; O'Connell, Rob; Orton, Matthew, Method and system for evaluating quality assurance criteria in delivery of a treatment plan.
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Schnarr, Eric; Ruchala, Kenneth J.; Olivera, Gustavo H.; Lu, Weiguo; Kapatoes, Jeffrey M.; Haimerl, Jason; Hughes, John H.; Mackie, Thomas R., Method and system for processing data relating to a radiation therapy treatment plan.
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Hall, David R.; Crockett, Ronald B.; Skeem, Marcus; Leany, Francis; Webb, Casey, Method for drilling with a fixed bladed bit.
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Olivera, Gustavo H.; Ruchala, Kenneth J.; Schnarr, Eric; Kapatoes, Jeffrey M.; Lu, Weiguo; Haimerl, Jason; Hughes, John H.; Mackie, Thomas R., Method of and system for predicting dose delivery.
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Lu, Weiguo; Olivera, Gustavo H.; Ruchala, Kenneth J.; Schnarr, Eric, Method of placing constraints on a deformation map and system for implementing same.
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Lauer, Eugene J.; Lauer, Mark A., Particle acceleration devices with improved geometries for vacuum-insulator-anode triple junctions.
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Zwart, Gerrit Townsend; O'Neal, III, Charles D.; Franzen, Ken Yoshiki, Particle accelerator that produces charged particles having variable energies.
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Zwart, Gerrit Townsend; Cooley, James; Franzen, Ken Yoshiki; Jones, Mark R.; Li, Tao; Busky, Michael, Particle beam scanning.
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Bouchet, Lionel G.; Rakes, Richard Bruce, Patient positioning system.
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Hall, David R.; Crockett, Ronald B.; Bailey, John, Pointed diamond working ends on a shear bit.
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Hall, David R.; Crockett, Ronald B.; Bailey, John D., Pointed working ends on a bit.
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Sampayan Stephen E. ; Krogh Michael L. ; Davis Steven C. ; Decker Derek E. ; Rosenblum Ben Z. ; Sanders David M. ; Elizondo-Decanini Juan M., Process for manufacturing hollow fused-silica insulator cylinder.
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Sliski, Alan; Gall, Kenneth, Programmable radio frequency waveform generator for a synchrocyclotron.
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Sliski, Alan; Gall, Kenneth, Programmable radio frequency waveform generator for a synchrocyclotron.
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Olivera, Gustavo H.; Mackie, Thomas R.; Ruchala, Kenneth J.; Reckwerdt, Paul J.; Hughes, John H.; Kapatoes, Jeffrey M.; Schnarr, Eric; Lu, Weiguo; Schloesser, Eric; Fordyce, II, Gerald D.; Holzmann, Tim, Radiation therapy imaging and delivery utilizing coordinated motion of gantry and couch.
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Fresco, Anthony N., Solute ion coulomb force accelaration and electric field monopole passive voltage source.
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Ruchala, Kenneth J.; Olivera, Gustavo H.; Lu, Weiguo; Schnarr, Eric; Hughes, John H.; Kapatoes, Jeffrey M.; Mackie, Thomas R.; Reckwerdt, Paul J., System and method of delivering radiation therapy to a moving region of interest.
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Lu, Weiguo; Ruchala, Kenneth J.; Chen, Mingli; Chen, Quan; Olivera, Gustavo H., System and method of detecting a breathing phase of a patient receiving radiation therapy.
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Ruchala, Kenneth J.; Olivera, Gustavo H.; Schnarr, Eric; Lu, Weiguo; Mackie, Thomas R., System and method of evaluating dose delivered by a radiation therapy system.
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Kapatoes, Jeffrey M.; Olivera, Gustavo H.; Schnarr, Eric; Lu, Weiguo; Ruchala, Kenneth J.; Reckwerdt, Paul J.; Hughes, John H.; Mackie, Thomas R., System and method of generating contour structures using a dose volume histogram.
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Olivera, Gustavo H.; Mackie, Thomas R.; Kapatoes, Jeffrey M.; Hughes, John H.; Ruchala, Kenneth J.; Reckwerdt, Paul J., System and method of treating a patient with radiation therapy.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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연합인증

Enhanced dielectric-wall linear accelerator 원문보기

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대표청구항 ▼

연구과제 타임라인

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Enhanced dielectric-wall linear accelerator 원문보기

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