GB9608235D0 - Electron guns - Google Patents

Electron guns

Info

Publication number
GB9608235D0
GB9608235D0 GBGB9608235.9A GB9608235A GB9608235D0 GB 9608235 D0 GB9608235 D0 GB 9608235D0 GB 9608235 A GB9608235 A GB 9608235A GB 9608235 D0 GB9608235 D0 GB 9608235D0
Authority
GB
United Kingdom
Prior art keywords
electron guns
guns
electron
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
GBGB9608235.9A
Other versions
GB2312322A (en
GB2312322B (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Teledyne UK Ltd
Original Assignee
EEV Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by EEV Ltd filed Critical EEV Ltd
Priority to GB9608235A priority Critical patent/GB2312322B/en
Publication of GB9608235D0 publication Critical patent/GB9608235D0/en
Priority to PCT/GB1997/001440 priority patent/WO1998054744A1/en
Publication of GB2312322A publication Critical patent/GB2312322A/en
Application granted granted Critical
Publication of GB2312322B publication Critical patent/GB2312322B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J23/00Details of transit-time tubes of the types covered by group H01J25/00
    • H01J23/02Electrodes; Magnetic control means; Screens
    • H01J23/06Electron or ion guns
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J23/00Details of transit-time tubes of the types covered by group H01J25/00
    • H01J23/02Electrodes; Magnetic control means; Screens
GB9608235A 1996-04-20 1996-04-20 Electron guns Expired - Fee Related GB2312322B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB9608235A GB2312322B (en) 1996-04-20 1996-04-20 Electron guns
PCT/GB1997/001440 WO1998054744A1 (en) 1996-04-20 1997-05-27 Electron gun with a diamond grid

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9608235A GB2312322B (en) 1996-04-20 1996-04-20 Electron guns
PCT/GB1997/001440 WO1998054744A1 (en) 1996-04-20 1997-05-27 Electron gun with a diamond grid

Publications (3)

Publication Number Publication Date
GB9608235D0 true GB9608235D0 (en) 1996-06-26
GB2312322A GB2312322A (en) 1997-10-22
GB2312322B GB2312322B (en) 2000-06-14

Family

ID=26309180

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9608235A Expired - Fee Related GB2312322B (en) 1996-04-20 1996-04-20 Electron guns

Country Status (2)

Country Link
GB (1) GB2312322B (en)
WO (1) WO1998054744A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5850074A (en) * 1997-08-30 1998-12-15 Daewoo Electronics Co., Ltd. Microwave oven equipped with a microwave generating apparatus designed to reduce secondary electron emission
FR3077922B1 (en) * 2018-02-15 2020-11-27 Thales Sa CIRCULAR GRID FOR A CYLINDRICAL CATHODE OF HYPERFREQUENCY TUBE WITH LINEAR BEAM, AND ASSOCIATED REMOVAL PROCESS

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1512517A (en) * 1975-06-25 1978-06-01 English Electric Valve Co Ltd Mesh-like electrodes
US4096406A (en) * 1976-05-10 1978-06-20 Varian Associates, Inc. Thermionic electron source with bonded control grid
US4583021A (en) * 1983-04-18 1986-04-15 Litton Systems, Inc. Electron gun with improved cathode and shadow grid configuration
US4553064A (en) * 1983-08-30 1985-11-12 Hughes Aircraft Company Dual-mode electron gun with improved shadow grid arrangement
JPS60177533A (en) * 1984-02-23 1985-09-11 Nec Corp Electron gun with grid for microwave tube
JPS61232534A (en) * 1985-04-08 1986-10-16 Nec Corp Electron gun associated with grid for microwave tube
US4748369A (en) * 1986-04-10 1988-05-31 Star Microwave Electron gun assembly useful with traveling wave tubes
US4994709A (en) * 1989-03-22 1991-02-19 Varian Associates, Inc. Method for making a cathader with integral shadow grid
JPH05114363A (en) * 1991-10-23 1993-05-07 Mitsubishi Electric Corp Grid type electron gun
FR2693028A1 (en) * 1992-06-26 1993-12-31 Thomson Tubes Electroniques Electron gun with reduced heating of the grid.
GB9220226D0 (en) * 1992-09-24 1992-11-04 Eev Ltd Electron gun assemblies
DE69328977T2 (en) * 1992-12-23 2000-12-28 Si Diamond Techn Inc FLAT FIELD EMISSION CATHODE APPLYING FLAT DISPLAY DEVICE WITH TRIODE STRUCTURE
GB9322934D0 (en) * 1993-11-08 1994-01-26 Eev Ltd Linear electron beam tube arrangements
GB2287579B (en) * 1994-03-16 1997-05-07 Eev Ltd Electron gun arrangements
GB9405139D0 (en) * 1994-03-16 1994-05-18 Eev Ltd Electron gun arrangements
EP0707334B1 (en) * 1994-10-12 1998-11-18 Eev Limited Electron beam tubes
GB2296370B (en) * 1994-12-19 1998-07-29 Eev Ltd Travelling wave tubes
GB2296371B (en) * 1994-12-19 1998-05-13 Eev Ltd Cathode arrangements
GB2297190B (en) * 1995-01-21 1998-12-23 Eev Ltd Electron tubes

Also Published As

Publication number Publication date
GB2312322A (en) 1997-10-22
GB2312322B (en) 2000-06-14
WO1998054744A1 (en) 1998-12-03

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20000914