CA1172683A - Enduit emetteur d'electrons dans une lampe a halogenure metallique - Google Patents

Enduit emetteur d'electrons dans une lampe a halogenure metallique

Info

Publication number: CA1172683A
Authority: CA; Canada
Prior art keywords: metal halide; lamp; electron; glow; scandium
Prior art date: 1980-06-20
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.): Expired

Application number

CA000380268A

Other languages

English (en)

Inventor

Ranajit K. Datta

Dimitri M. Speros

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.)

General Electric Co

Original Assignee

General Electric Co

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.)

1980-06-20

Filing date

1981-06-19

Publication date

1984-08-14

1981-06-19 Application filed by General Electric Co filed Critical General Electric Co

1984-08-14 Application granted granted Critical

1984-08-14 Publication of CA1172683A publication Critical patent/CA1172683A/fr

Status Expired legal-status Critical Current

Links

229910001507 metal halide Inorganic materials 0.000 title claims abstract description 18
150000005309 metal halides Chemical class 0.000 title claims abstract description 18
238000000576 coating method Methods 0.000 title claims description 6
239000011248 coating agent Substances 0.000 title claims 2
239000000463 material Substances 0.000 claims abstract description 15
ZSLUVFAKFWKJRC-IGMARMGPSA-N 232Th Chemical compound [232Th] ZSLUVFAKFWKJRC-IGMARMGPSA-N 0.000 claims abstract description 6
229910052776 Thorium Inorganic materials 0.000 claims abstract description 6
229910052706 scandium Inorganic materials 0.000 claims abstract description 6
SIXSYDAISGFNSX-UHFFFAOYSA-N scandium atom Chemical compound [Sc] SIXSYDAISGFNSX-UHFFFAOYSA-N 0.000 claims abstract description 6
229910052746 lanthanum Inorganic materials 0.000 claims abstract description 4
FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 claims abstract description 4
WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 13
229910052721 tungsten Inorganic materials 0.000 claims description 11
239000010937 tungsten Substances 0.000 claims description 11
229910018094 ScI3 Inorganic materials 0.000 claims description 3
VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 2
239000005350 fused silica glass Substances 0.000 claims description 2
239000011261 inert gas Substances 0.000 claims description 2
QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 claims description 2
229910052753 mercury Inorganic materials 0.000 claims description 2
HYXGAEYDKFCVMU-UHFFFAOYSA-N scandium oxide Chemical compound O=[Sc]O[Sc]=O HYXGAEYDKFCVMU-UHFFFAOYSA-N 0.000 claims description 2
238000010891 electric arc Methods 0.000 claims 1
FVAUCKIRQBBSSJ-UHFFFAOYSA-M sodium iodide Chemical compound [Na+].[I-] FVAUCKIRQBBSSJ-UHFFFAOYSA-M 0.000 abstract description 12
235000009518 sodium iodide Nutrition 0.000 abstract description 4
HUIHCQPFSRNMNM-UHFFFAOYSA-K scandium(3+);triiodide Chemical compound [Sc+3].[I-].[I-].[I-] HUIHCQPFSRNMNM-UHFFFAOYSA-K 0.000 abstract description 3
229910052692 Dysprosium Inorganic materials 0.000 abstract description 2
KBQHZAAAGSGFKK-UHFFFAOYSA-N dysprosium atom Chemical compound [Dy] KBQHZAAAGSGFKK-UHFFFAOYSA-N 0.000 abstract description 2
210000003739 neck Anatomy 0.000 description 5
239000011888 foil Substances 0.000 description 3
XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
230000003213 activating effect Effects 0.000 description 2
230000015556 catabolic process Effects 0.000 description 2
230000001066 destructive effect Effects 0.000 description 2
238000004031 devitrification Methods 0.000 description 2
239000007789 gas Substances 0.000 description 2
150000002500 ions Chemical class 0.000 description 2
238000000034 method Methods 0.000 description 2
239000003870 refractory metal Substances 0.000 description 2
238000004544 sputter deposition Methods 0.000 description 2
239000000725 suspension Substances 0.000 description 2
DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
229910004369 ThO2 Inorganic materials 0.000 description 1
241000613130 Tima Species 0.000 description 1
229910000287 alkaline earth metal oxide Inorganic materials 0.000 description 1
229940072049 amyl acetate Drugs 0.000 description 1
PGMYKACGEOXYJE-UHFFFAOYSA-N anhydrous amyl acetate Natural products CCCCCOC(C)=O PGMYKACGEOXYJE-UHFFFAOYSA-N 0.000 description 1
229910052786 argon Inorganic materials 0.000 description 1
239000010953 base metal Substances 0.000 description 1
239000010406 cathode material Substances 0.000 description 1
238000007598 dipping method Methods 0.000 description 1
150000004820 halides Chemical class 0.000 description 1
MNWFXJYAOYHMED-UHFFFAOYSA-M heptanoate Chemical compound CCCCCCC([O-])=O MNWFXJYAOYHMED-UHFFFAOYSA-M 0.000 description 1
238000012423 maintenance Methods 0.000 description 1
238000004519 manufacturing process Methods 0.000 description 1
238000005259 measurement Methods 0.000 description 1
238000002844 melting Methods 0.000 description 1
230000008018 melting Effects 0.000 description 1
229910052751 metal Inorganic materials 0.000 description 1
239000002184 metal Substances 0.000 description 1
229910044991 metal oxide Inorganic materials 0.000 description 1
150000004706 metal oxides Chemical class 0.000 description 1
229910052750 molybdenum Inorganic materials 0.000 description 1
235000016768 molybdenum Nutrition 0.000 description 1
239000011733 molybdenum Substances 0.000 description 1
230000002688 persistence Effects 0.000 description 1
239000000843 powder Substances 0.000 description 1
230000001681 protective effect Effects 0.000 description 1
238000007789 sealing Methods 0.000 description 1
229910052708 sodium Inorganic materials 0.000 description 1
239000011734 sodium Substances 0.000 description 1
ZCUFMDLYAMJYST-UHFFFAOYSA-N thorium dioxide Chemical compound O=[Th]=O ZCUFMDLYAMJYST-UHFFFAOYSA-N 0.000 description 1

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
- H01J1/14—Solid thermionic cathodes characterised by the material

Landscapes

Discharge Lamp (AREA)

CA000380268A 1980-06-20 1981-06-19 Enduit emetteur d'electrons dans une lampe a halogenure metallique Expired CA1172683A (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US16143180A	1980-06-20	1980-06-20
US161,431		1980-06-20

Publications (1)

Publication Number	Publication Date
CA1172683A true CA1172683A (fr)	1984-08-14

Family

ID=22581145

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000380268A Expired CA1172683A (fr)	1980-06-20	1981-06-19	Enduit emetteur d'electrons dans une lampe a halogenure metallique

Country Status (5)

Country	Link
JP (1)	JPS5749155A (fr)
CA (1)	CA1172683A (fr)
DE (1)	DE3123492A1 (fr)
FR (1)	FR2485260A1 (fr)
GB (1)	GB2079036A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0606491A1 (fr) *	1992-07-31	1994-07-20	Toho Kinzoku Co., Ltd.	Materiau d'electrode au tungstene
JP3107743B2 (ja) *	1995-07-31	2000-11-13	カシオ計算機株式会社	電子放出性電極およびその製造方法、並びにそれを用いた冷陰極蛍光管およびプラズマディスプレイ

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3530327A (en) *	1968-03-11	1970-09-22	Westinghouse Electric Corp	Metal halide discharge lamps with rare-earth metal oxide used as electrode emission material
DE2245717A1 (de) *	1972-09-18	1974-03-28	Patra Patent Treuhand	Elektrode mit einem poroesen sinterkoerper
JPS5416671B2 (fr) *	1973-05-10	1979-06-23
NL175480C (nl) *	1974-06-12	1984-11-01	Philips Nv	Elektrode voor een ontladingslamp, werkwijze voor de vervaardiging van een dergelijke elektrode en ontladingslamp voorzien van een dergelijke elektrode.
US4340836A (en) *	1978-09-11	1982-07-20	General Electric Company	Electrode for miniature high pressure metal halide lamp

1981
- 1981-04-22 GB GB8112404A patent/GB2079036A/en not_active Withdrawn
- 1981-05-18 JP JP7362581A patent/JPS5749155A/ja active Pending
- 1981-06-13 DE DE19813123492 patent/DE3123492A1/de not_active Withdrawn
- 1981-06-17 FR FR8111921A patent/FR2485260A1/fr not_active Withdrawn
- 1981-06-19 CA CA000380268A patent/CA1172683A/fr not_active Expired

Also Published As

Publication number	Publication date
JPS5749155A (en)	1982-03-20
FR2485260A1 (fr)	1981-12-24
GB2079036A (en)	1982-01-13
DE3123492A1 (de)	1982-04-01

Legal Events

Date	Code	Title	Description
2001-08-14	MKEX	Expiry

Publication	Publication Date	Title
CA1053314A (fr)	1979-04-24	Electrode emettrice pour lampe a decharge a haute pression; comprend des oxydes de terres rares et de metaux alcalino-terreux
US6054810A (en)	2000-04-25	Metal halide lamp having a ceramic discharge tube
US4340836A (en)	1982-07-20	Electrode for miniature high pressure metal halide lamp
US4105908A (en)	1978-08-08	Metal halide lamp having open tungsten coil electrodes
EP0883895B1 (fr)	2004-10-27	Lampe a decharge basse pression
US3849690A (en)	1974-11-19	Flash tube having improved cathode
US4415829A (en)	1983-11-15	Direct current operable arc lamp
GB2043331A (en)	1980-10-01	Electrode for high pressure metal- vapour lamp
US2769112A (en)	1956-10-30	Discharge lamp, mount therefor, and method
EP0102671B1 (fr)	1987-07-08	Lampe à décharge dans la vapeur à haute intensité.
EP1150335B1 (fr)	2010-07-14	Electrode pour tube a decharge et tube a decharge comprenant cette electrode
CA1172683A (fr)	1984-08-14	Enduit emetteur d'electrons dans une lampe a halogenure metallique
US5675214A (en)	1997-10-07	Low-pressure discharge lamp having hollow electrodes
US5027030A (en)	1991-06-25	Glow discharge lamp having zero anode voltage drop
US4123685A (en)	1978-10-31	HID lamp electrode comprising solid solution of dibarium calcium molybdate and tungstate
EP1150334B1 (fr)	2009-03-04	Electrode pour tube a decharge et tube a decharge l'utilisant
US4798995A (en)	1989-01-17	Metal halide lamp containing halide composition to control arc tube performance
WO1997024749A2 (fr)	1997-07-10	Lampe a decharge basse pression
US3840768A (en)	1974-10-08	High intensity lamp with cermet igniter
EP0784864B1 (fr)	1999-02-10	Lampe a decharge basse pression
JPH02267849A (ja)	1990-11-01	窒素を含むグロー放電ランプ
CA1121854A (fr)	1982-04-13	Lampe a vapeur de sodium a haute pression avec electrodes a emission electronique
JPH09180677A (ja)	1997-07-11	フラッシュランプ
JPS60218755A (ja)	1985-11-01	光源用放電管
US2966606A (en)	1960-12-27	Fluorescent lamp