producing a solid cylindrical beam

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CPC
H01J2223/065

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HELECTRICITY H01Electric elements H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS H01J2223/00Details of transit-time tubes of the types covered by group H01J2225/00

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H01J2223/065producing a solid cylindrical beam

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Patents Grantslast 30 patents

Information Patent Grant
Field emission type cold-cathode electron gun with focusing electrode
- Patent number 6,452,335
- Issue date Sep 17, 2002
- NEC Corporation
- Shunji Tsuida
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electron beam gun
- Patent number 6,051,917
- Issue date Apr 18, 2000
- Nikon Corporation
- Mamoru Nakasuji
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electron orbit control in a betatron
- Patent number 5,319,314
- Issue date Jun 7, 1994
- Schlumberger Technology Corporation
- Felix K. Chen
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents