AU5937196A - Directly heated dispenser cathode and method of manufacture therefor - Google Patents

Directly heated dispenser cathode and method of manufacture therefor

Info

Publication number
AU5937196A
AU5937196A AU59371/96A AU5937196A AU5937196A AU 5937196 A AU5937196 A AU 5937196A AU 59371/96 A AU59371/96 A AU 59371/96A AU 5937196 A AU5937196 A AU 5937196A AU 5937196 A AU5937196 A AU 5937196A
Authority
AU
Australia
Prior art keywords
directly heated
dispenser cathode
manufacture therefor
heated dispenser
therefor
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.)
Abandoned
Application number
AU59371/96A
Inventor
Glenn S. Breeze
Louis R. Falce
Joel P. Moskowitz
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.)
Ceradyne Inc
Original Assignee
Ceradyne Inc
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 Ceradyne Inc filed Critical Ceradyne Inc
Publication of AU5937196A publication Critical patent/AU5937196A/en
Abandoned legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
    • H01J1/02—Main electrodes
    • H01J1/13—Solid thermionic cathodes
    • H01J1/20—Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
    • H01J1/22—Heaters
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2201/00—Electrodes common to discharge tubes
    • H01J2201/28—Heaters for thermionic cathodes
    • H01J2201/2803—Characterised by the shape or size
    • H01J2201/2821—Envelope or cross-section
    • H01J2201/2832—Envelope or cross-section being circular
AU59371/96A 1995-06-05 1996-05-28 Directly heated dispenser cathode and method of manufacture therefor Abandoned AU5937196A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US46097095A 1995-06-05 1995-06-05
US460970 1995-06-05
PCT/US1996/007846 WO1996039709A1 (en) 1995-06-05 1996-05-28 Directly heated dispenser cathode and method of manufacture therefor

Publications (1)

Publication Number Publication Date
AU5937196A true AU5937196A (en) 1996-12-24

Family

ID=23830746

Family Applications (1)

Application Number Title Priority Date Filing Date
AU59371/96A Abandoned AU5937196A (en) 1995-06-05 1996-05-28 Directly heated dispenser cathode and method of manufacture therefor

Country Status (2)

Country Link
AU (1) AU5937196A (en)
WO (1) WO1996039709A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2407997B1 (en) 2006-10-17 2014-03-05 Koninklijke Philips N.V. Emitter for X-ray tubes and heating method therefore
CN111243917B (en) * 2020-01-19 2021-12-07 中国科学院电子学研究所 Cathode heater assembly and preparation method thereof

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4268775A (en) * 1978-03-13 1981-05-19 Anthony J. Barraco Cathode-heater assembly and support structure therefor
JPS54144170A (en) * 1978-05-02 1979-11-10 Hitachi Ltd Cathode constituent of direct heating type
US5065070A (en) * 1990-12-21 1991-11-12 Hughes Aircraft Company Sputtered scandate coatings for dispenser cathodes

Also Published As

Publication number Publication date
WO1996039709A1 (en) 1996-12-12

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