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Wire ion plasma gun

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H01J-007/24
출원번호 US-0031618 (1987-03-30)
발명자 / 주소
  • Farrell Sherman R. (Orinda CA) Smith Richard R. (Pleasant Hill CA)
출원인 / 주소
  • RPC Industries (Hayward CA 02)
인용정보 피인용 횟수 : 62  인용 특허 : 11

초록

An ion plasma electron gun for the generation of electron beams which exhibits electron beam dose uniformity and which is capable of varying the dose received by a material to be irradiated. Positive ions generated by a wire in a plasma discharge chamber are accelerated through an extraction grid on

대표청구항

In an ion plasma electron gun assembly comprising: an electrically conductive evacuated housing forming first and second chambers adjacent to one another and having an opening therebetween; means for generating positive ions in said first chamber; a cathode positioned in said second chamber in space

이 특허에 인용된 특허 (11)

  1. Paterson James A. (Oakland CA) Koehler Gary W. (Oakland CA), Convectively cooled electrical grid structure.
  2. Gay Gardiner (Cambridge MA), Electron beam window structure for broad area electron beam generators.
  3. Schoenmakers Theodorus Maria Berendina (Eindhoven NL), Gas discharge electron gun for generating an electron beam by means of a glow discharge.
  4. Wakalopulos George (Los Angeles CA), Ion plasma electron gun.
  5. Wakalopulos George (Pacific Palisades CA), Ion plasma electron gun.
  6. Ono Toshiro (Isehara JPX) Matsuo Seitaro (Isehara JPX), Ion shower apparatus.
  7. Sohval A. Robert (Cambridge MA) Cooperstein Gerald (Rockville MD) Fleischer David (Boxford MA) Goldstein Shyke A. (Gaithersburg MD) Hearn David R. (Wellesley MA), Plasma electron source for cold-cathode discharge device or the like.
  8. Sohval A. Robert (Cambridge MA) Cooperstein Gerald (Rockville MD) Fleischer David (Boxford MA) Goldstein Shyke A. (Gaithersburg MD) Hearn David R. (Wellesley MA), Plasma electron source for cold-cathode discharge device or the like.
  9. Frank Fritz (Rodenbach DEX), Power supply for electron beam guns.
  10. Harvey Robin J. (Thousand Oaks CA) Gallagher Hayden E. (Malibu CA), Radial geometry electron beam controlled switch utilizing wire-ion-plasma electron source.
  11. Harvey Robin J. (Thousand Oaks CA) Gallagher Hayden E. (Malibu CA) Schumacher Robert W. (Canoga Park CA), Wire-ion-plasma electron gun employing auxiliary grid.

이 특허를 인용한 특허 (62)

  1. Taylor, Charles E.; Parker, Andrew J.; Botvinnik, Igor Y.; Lau, Shek Fai; Snyder, Gregory S.; Reeves, John Paul, Air conditioner device including pin-ring electrode configurations with driver electrode.
  2. Taylor,Charles E.; Parker,Andrew J.; Botvinnik,Igor Y.; Lau,Shek Fai; Snyder,Gregory S.; Reeves,John Paul, Air conditioner device with a removable driver electrode.
  3. Taylor,Charles E.; Parker,Andrew J.; Botvinnik,Igor Y.; Lau,Shek Fai; Snyder,Gregory S.; Reeves,John Paul, Air conditioner device with enhanced ion output production features.
  4. Taylor, Charles E.; Parker, Andrew J.; Botvinnik, Igor Y.; Lau, Shek Fai; Snyder, Gregory S.; Reeves, John Paul, Air conditioner device with removable driver electrodes.
  5. Taylor, Charles E.; Lau, Shek Fai, Air conditioner devices.
  6. Taylor, Charles E.; Lau, Shek Fai, Air conditioner devices.
  7. Taylor, Charles E., Air transporter-conditioner device with tubular electrode configurations.
  8. Botvinnik, Igor Y.; Taylor, Charles E., Air treatment apparatus having a voltage control device responsive to current sensing.
  9. Lau,Shek Fai; Lee,Jimmy Luther; Parker,Andrew J., Air treatment apparatus having an electrode cleaning element.
  10. Taylor,Charles E.; Parker,Andrew J., Air treatment apparatus having an electrode extending along an axis which is substantially perpendicular to an air flow path.
  11. Taylor, Charles E.; Lee, Jim L., Air treatment apparatus having multiple downstream electrodes.
  12. Taylor,Charles E.; Parker,Andrew J.; Botvinnik,Igor Y.; Lau,Shek Fai; Snyder,Gregory S.; Reeves,John Paul, Air treatment apparatus with attachable grill.
  13. Taylor,Charles E.; Parker,Andrew J.; Lau,Shek Fai, Air treatment device having a sensor.
  14. Forbes Jones, Robin M.; Kennedy, Richard L., Apparatus and method for clean, rapidly solidified alloys.
  15. Forbes Jones, Robin M.; Kennedy, Richard L., Apparatus and method for clean, rapidly solidified alloys.
  16. Forbes Jones, Robin M.; Kennedy, Richard L., Apparatus and method for clean, rapidly solidified alloys.
  17. Forbes Jones, Robin M.; Kennedy, Richard L., Apparatus and method for clean, rapidly solidified alloys.
  18. Forbes Jones, Robin M.; Kennedy, Richard L., Apparatus and method for clean, rapidly solidified alloys.
  19. Forbes Jones, Robin M.; Kennedy, Richard L., Apparatus and method for clean, rapidly solidified alloys.
  20. Vidmar Robert J. (Stanford CA) Eckstrom Donald J. (Portola Valley CA) Eash Joseph J. (San Carlos CA) Chestnut Walter G. (Foster City CA), Broadband electromagnetic absorption via a collisional helium plasma.
  21. Forbes Jones, Robin M.; Shaffer, Sterry A., Casting apparatus and method.
  22. Forbes Jones, Robin M.; Shaffer, Sterry A., Casting apparatus and method.
  23. Forbes Jones, Robin M.; Shaffer, Sterry A., Casting apparatus and method.
  24. Hanawa, Hiroji; Tanaka, Tsutomu; Collins, Kenneth S.; Al-Bayati, Amir; Ramaswamy, Kartik; Nguyen, Andrew, Chemical vapor deposition plasma reactor having plural ion shower grids.
  25. Makarov, Maxime, Device and method of supplying power to an electron source, and ion-bombardment-induced secondary-emission electron source.
  26. Taylor, Charles E.; Lee, Jim L., Electro-kinetic air mover with upstream focus electrode surfaces.
  27. Taylor, Charles E.; Lau, Shek Fai; Parker, Andrew J.; Christianson, Tristan M.; Snyder, Gregory S.; McKinney, Jr., Edward C., Electro-kinetic air transporter and conditioner device with enhanced anti-microorganism capability.
  28. Taylor, Charles E.; Lau, Shek Fai; Parker, Andrew J.; Christianson, Tristan M.; Snyder, Gregory S.; McKinney, Jr., Edward C., Electro-kinetic air transporter and conditioner device with enhanced housing configuration and enhanced anti-microorganism capability.
  29. Botvinnik, Igor Y.; Parker, Andrew J.; Taylor, Charles E., Electro-kinetic air transporter and conditioner devices including pin-ring electrode configurations with driver electrode.
  30. Botvinnik, Igor Y.; Parker, Andrew J.; Taylor, Charles E., Electro-kinetic air transporter and conditioner devices with 3/2 configuration having driver electrodes.
  31. Taylor,Charles E.; Lau,Shek Fai; Parker,Andrew J.; Snyder,Greg S.; McKinney, Jr.,Edward C., Electro-kinetic air transporter and conditioner devices with enhanced arching detection and suppression features.
  32. Parker, Andrew J.; Taylor, Charles E.; Lau, Shek Fai, Electro-kinetic air transporter with mechanism for emitter electrode travel past cleaning member.
  33. Taylor, Charles E.; Lau, Shek Fai, Electro-kinetic air transporter-conditioner.
  34. Snyder, Gregory S.; Parker, Andrew J.; Taylor, Charles E., Electro-kinetic air transporter-conditioner system and method to oxidize volatile organic compounds.
  35. Lau, Shek Fai; Lee, Jimmy Luther; Parker, Andrew J., Electrode cleaning for air conditioner devices.
  36. Lee, Jim L., Electrode cleaning in an electro-kinetic air mover.
  37. Reeves, John Paul; Lau, Shek Fai; Parker, Andrew J., Electrode self-cleaning mechanism for air conditioner devices.
  38. Reeves,John Paul; Lau,Shek Fai; Parker,Andrew J., Electrode self-cleaning mechanism for air conditioner devices.
  39. Lau, Shek Fai; Lee, Jimmy Luther; Parker, Andrew J., Electrode self-cleaning mechanism for electro-kinetic air transporter conditioner devices.
  40. Reeves, John Paul; Lau, Shek Fai; Parker, Andrew J., Electrode self-cleaning mechanism for electro-kinetic air transporter-conditioner devices.
  41. Lau,Shek Fai; Parker,Andrew; Snyder,Gregory S.; Reeves,John Paul, Electrode self-cleaning mechanisms with anti-arc guard for electro-kinetic air transporter-conditioner devices.
  42. Botvinnik,Igor Y., Electrostatic precipitators with insulated driver electrodes.
  43. Botvinnik, Igor Y., Emitter electrode having a strip shape.
  44. Lau,Shek Fai; Lee,Jimmy L.; Parker,Andrew J., Ion emitting air-conditioning devices with electrode cleaning features.
  45. Forbes Jones, Robin M., Ion plasma electron emitters for a melting furnace.
  46. Livesay William R. (San Diego CA), Large-area uniform electron source.
  47. Forbes Jones, Robin M.; Kennedy, Richard L., Melting furnace including wire-discharge ion plasma electron emitter.
  48. Forbes Jones, Robin M.; Kennedy, Richard L., Melting furnace including wire-discharge ion plasma electron emitter.
  49. Forbes Jones, Robin M., Method and apparatus for producing large diameter superalloy ingots.
  50. Forbes Jones, Robin M., Method and apparatus for producing large diameter superalloy ingots.
  51. Nablo Samuel V. ; Wood ; Jr. James C., Method of and apparatus for the electron beam treatment of powders and aggregates in pneumatic transfer.
  52. Lau, Shek Fai; Taylor, Charles E., Personal electro-kinetic air transporter-conditioner.
  53. Lau, Shek Fai; Taylor, Charles E., Personal electro-kinetic air transporter-conditioner.
  54. Hanawa, Hiroji; Tanaka, Tsutomu; Collins, Kenneth S.; Al-Bayati, Amir; Ramaswamy, Kartik; Nguyen, Andrew, Plasma immersion ion implantation reactor having an ion shower grid.
  55. Hanawa, Hiroji; Tanaka, Tsutomu; Collins, Kenneth S.; Al-Bayati, Amir; Ramaswamy, Kartik; Nguyen, Andrew, Plasma immersion ion implantation reactor having multiple ion shower grids.
  56. Kennedy, Richard L.; Forbes Jones, Robin M., Processes, systems, and apparatus for forming products from atomized metals and alloys.
  57. Makarov, Maxime, Pulsed electron source, power supply method for pulsed electron source and method for controlling a pulsed electron source.
  58. Forbes Jones, Robin M.; Kennedy, Richard L.; Minisandram, Ramesh S., Refining and casting apparatus and method.
  59. Forbes Jones, Robin M.; Shaffer, Sterry A., Refining and casting apparatus and method.
  60. Forbes Jones, Robin M.; Shaffer, Sterry A., Refining and casting apparatus and method.
  61. Chen, Zhiying; Chen, Lee; Funk, Merritt, Self-sustained non-ambipolar direct current (DC) plasma at low power.
  62. Lau,Shek Fai, Treatment apparatus operable to adjust output based on variations in incoming voltage.
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