IT8424131A0 - Catodo ad ossidi. - Google Patents

Catodo ad ossidi.

Info

Publication number
IT8424131A0
IT8424131A0 IT8424131A IT2413184A IT8424131A0 IT 8424131 A0 IT8424131 A0 IT 8424131A0 IT 8424131 A IT8424131 A IT 8424131A IT 2413184 A IT2413184 A IT 2413184A IT 8424131 A0 IT8424131 A0 IT 8424131A0
Authority
IT
Italy
Prior art keywords
oxide cathode
cathode
oxide
Prior art date
Application number
IT8424131A
Other languages
English (en)
Other versions
IT1177459B (it
IT8424131A1 (it
Inventor
Johannes Van Esdonk
Jan Hasker
Jacobus Stoffels
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Publication of IT8424131A0 publication Critical patent/IT8424131A0/it
Publication of IT8424131A1 publication Critical patent/IT8424131A1/it
Application granted granted Critical
Publication of IT1177459B publication Critical patent/IT1177459B/it

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
    • H01J1/26—Supports for the emissive material
IT24131/84A 1983-12-22 1984-12-19 Catodo ad ossidi IT1177459B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8304401A NL8304401A (nl) 1983-12-22 1983-12-22 Oxydkathode.

Publications (3)

Publication Number Publication Date
IT8424131A0 true IT8424131A0 (it) 1984-12-19
IT8424131A1 IT8424131A1 (it) 1986-06-19
IT1177459B IT1177459B (it) 1987-08-26

Family

ID=19842909

Family Applications (1)

Application Number Title Priority Date Filing Date
IT24131/84A IT1177459B (it) 1983-12-22 1984-12-19 Catodo ad ossidi

Country Status (9)

Country Link
US (1) US4904897A (it)
JP (1) JPS60154430A (it)
DD (1) DD228393A5 (it)
DE (1) DE3444333A1 (it)
ES (1) ES8608731A1 (it)
FR (1) FR2557356A1 (it)
GB (1) GB2151842B (it)
IT (1) IT1177459B (it)
NL (1) NL8304401A (it)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2032080C (en) * 1990-02-28 1996-07-23 John Charles Baumhauer Jr. Directional microphone assembly
US5208508A (en) * 1991-09-16 1993-05-04 Raytheon Company Cathode heater potting assembly
DE4414196C2 (de) * 1994-04-22 2001-05-17 Himolla Hierl Gmbh C Massagesessel
KR960025915A (ko) * 1994-12-28 1996-07-20 윤종용 열전자 방출성 산화물 음극 및 그 제조방법
TW430842B (en) * 1998-10-28 2001-04-21 Matsushita Electronics Corp Cathode structure for cathode ray tube
JP2017107816A (ja) * 2015-12-11 2017-06-15 株式会社堀場エステック 熱電子放出用フィラメント、四重極質量分析計、及び残留ガス分析方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE726797C (de) * 1930-05-29 1942-10-21 Loewe Radio Ag Mittelbar geheizte Hochemissionskathode
NL153018B (nl) * 1967-02-17 1977-04-15 Philips Nv Indirect verhitte kathode.
US4009409A (en) * 1975-09-02 1977-02-22 Gte Sylvania Incorporated Fast warmup cathode and method of making same
US4371589A (en) * 1976-08-24 1983-02-01 Warner London Inc. Process for depositing protective coating and articles produced
FR2390825A1 (fr) * 1977-05-13 1978-12-08 Thomson Csf Cathode thermo-ionique a grille incorporee, son procede de fabrication et tube electronique comportant une telle cathode
NL8100928A (nl) * 1981-02-26 1982-09-16 Philips Nv Oxydkathode.
DE3148441A1 (de) * 1981-12-08 1983-07-21 Philips Patentverwaltung Gmbh, 2000 Hamburg Verfahren zur herstellung einer thermionischen kathode

Also Published As

Publication number Publication date
DE3444333A1 (de) 1985-07-04
NL8304401A (nl) 1985-07-16
FR2557356A1 (fr) 1985-06-28
IT1177459B (it) 1987-08-26
GB2151842B (en) 1987-08-26
IT8424131A1 (it) 1986-06-19
US4904897A (en) 1990-02-27
DD228393A5 (de) 1985-10-09
GB2151842A (en) 1985-07-24
GB8431843D0 (en) 1985-01-30
ES538796A0 (es) 1986-06-16
ES8608731A1 (es) 1986-06-16
JPS60154430A (ja) 1985-08-14

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