NL8701583A - Scandaatkathode. - Google Patents

Scandaatkathode. Download PDF

Info

Publication number: NL8701583A
Authority: NL; Netherlands
Prior art keywords: cathode; scandium; hydride; pressed; sintering
Prior art date: 1987-07-06

Application number

NL8701583A

Other languages

English (en)

Dutch (nl)

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.)

1987-07-06

Filing date

1987-07-06

Publication date

1989-02-01

1987-07-06 Application filed by Philips Nv filed Critical Philips Nv

1987-07-06 Priority to NL8701583A priority Critical patent/NL8701583A/nl

1988-07-04 Priority to EP88201392A priority patent/EP0298558B1/de

1988-07-04 Priority to JP63165191A priority patent/JP2685232B2/ja

1988-07-04 Priority to DE3889696T priority patent/DE3889696T2/de

1988-07-04 Priority to KR1019880008245A priority patent/KR890002949A/ko

1989-02-01 Publication of NL8701583A publication Critical patent/NL8701583A/nl

1991-07-30 Priority to US07/738,061 priority patent/US5261845A/en

Links

238000000034 method Methods 0.000 claims description 15
229910052706 scandium Inorganic materials 0.000 claims description 14
SIXSYDAISGFNSX-UHFFFAOYSA-N scandium atom Chemical compound [Sc] SIXSYDAISGFNSX-UHFFFAOYSA-N 0.000 claims description 14
238000005245 sintering Methods 0.000 claims description 11
WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 9
229910052751 metal Inorganic materials 0.000 claims description 8
239000002184 metal Substances 0.000 claims description 8
-1 scandium hydride Chemical compound 0.000 claims description 8
229910000046 scandium hydride Inorganic materials 0.000 claims description 8
238000004519 manufacturing process Methods 0.000 claims description 6
239000000203 mixture Substances 0.000 claims description 6
239000000843 powder Substances 0.000 claims description 6
239000000463 material Substances 0.000 claims description 5
238000003825 pressing Methods 0.000 claims description 5
238000002844 melting Methods 0.000 claims description 4
229910052788 barium Inorganic materials 0.000 claims description 2
DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 claims description 2
150000001553 barium compounds Chemical class 0.000 claims description 2
230000008018 melting Effects 0.000 claims description 2
238000007493 shaping process Methods 0.000 claims description 2
UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 5
229910052739 hydrogen Inorganic materials 0.000 description 5
239000001257 hydrogen Substances 0.000 description 5
238000011084 recovery Methods 0.000 description 5
229910052721 tungsten Inorganic materials 0.000 description 5
239000010937 tungsten Substances 0.000 description 5
238000010849 ion bombardment Methods 0.000 description 3
HYXGAEYDKFCVMU-UHFFFAOYSA-N scandium oxide Chemical compound O=[Sc]O[Sc]=O HYXGAEYDKFCVMU-UHFFFAOYSA-N 0.000 description 3
QVQLCTNNEUAWMS-UHFFFAOYSA-N barium oxide Chemical compound [Ba]=O QVQLCTNNEUAWMS-UHFFFAOYSA-N 0.000 description 2
230000000694 effects Effects 0.000 description 2
150000004678 hydrides Chemical class 0.000 description 2
TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 2
FQNGWRSKYZLJDK-UHFFFAOYSA-N [Ca].[Ba] Chemical compound [Ca].[Ba] FQNGWRSKYZLJDK-UHFFFAOYSA-N 0.000 description 1
238000010521 absorption reaction Methods 0.000 description 1
230000002411 adverse Effects 0.000 description 1
230000005540 biological transmission Effects 0.000 description 1
BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 1
ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 1
239000000292 calcium oxide Substances 0.000 description 1
230000006835 compression Effects 0.000 description 1
238000007906 compression Methods 0.000 description 1
230000003247 decreasing effect Effects 0.000 description 1
238000009826 distribution Methods 0.000 description 1
238000001493 electron microscopy Methods 0.000 description 1
238000010438 heat treatment Methods 0.000 description 1
239000011148 porous material Substances 0.000 description 1
238000000926 separation method Methods 0.000 description 1

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
- H01J9/02—Manufacture of electrodes or electrode systems
- H01J9/04—Manufacture of electrodes or electrode systems of thermionic cathodes
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
- H01J9/02—Manufacture of electrodes or electrode systems
- H01J9/04—Manufacture of electrodes or electrode systems of thermionic cathodes
- H01J9/042—Manufacture, activation of the emissive part
- H01J9/047—Cathodes having impregnated bodies
- 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
- H01J1/28—Dispenser-type cathodes, e.g. L-cathode

Landscapes

Engineering & Computer Science (AREA)
Manufacturing & Machinery (AREA)
Solid Thermionic Cathode (AREA)
Powder Metallurgy (AREA)

NL8701583A 1987-07-06 1987-07-06 Scandaatkathode. NL8701583A (nl)

Priority Applications (6)

Application Number	Priority Date	Filing Date	Title
NL8701583A NL8701583A (nl)	1987-07-06	1987-07-06	Scandaatkathode.
EP88201392A EP0298558B1 (de)	1987-07-06	1988-07-04	Verfahren zur Herstellung einer Scandat-Kathode
JP63165191A JP2685232B2 (ja)	1987-07-06	1988-07-04	スカンジウム系陰極の製造方法
DE3889696T DE3889696T2 (de)	1987-07-06	1988-07-04	Verfahren zur Herstellung einer Scandat-Kathode.
KR1019880008245A KR890002949A (ko)	1987-07-06	1988-07-04	디스펜서 캐소드 제조방법
US07/738,061 US5261845A (en)	1987-07-06	1991-07-30	Scandate cathode

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
NL8701583A NL8701583A (nl)	1987-07-06	1987-07-06	Scandaatkathode.
NL8701583		1987-07-06

Publications (1)

Publication Number	Publication Date
NL8701583A true NL8701583A (nl)	1989-02-01

Family

ID=19850259

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL8701583A NL8701583A (nl)	1987-07-06	1987-07-06	Scandaatkathode.

Country Status (5)

Country	Link
EP (1)	EP0298558B1 (de)
JP (1)	JP2685232B2 (de)
KR (1)	KR890002949A (de)
DE (1)	DE3889696T2 (de)
NL (1)	NL8701583A (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NL8902793A (nl) *	1989-11-13	1991-06-03	Philips Nv	Scandaatkathode.
EP0651419B1 (de) *	1993-10-28	1998-06-24	Koninklijke Philips Electronics N.V.	Vorratskathode und Herstellungsverfahren
BE1007676A3 (nl) *	1993-10-28	1995-09-12	Philips Electronics Nv	Werkwijze voor het vervaardigen van een naleveringskathode.
BE1007677A3 (nl) *	1993-10-28	1995-09-12	Philips Electronics Nv	Werkwijze voor het vervaardigen van een naleveringskathode.
US5407633A (en) *	1994-03-15	1995-04-18	U.S. Philips Corporation	Method of manufacturing a dispenser cathode
US6281626B1 (en) *	1998-03-24	2001-08-28	Casio Computer Co., Ltd.	Cold emission electrode method of manufacturing the same and display device using the same

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NL165880C (nl) *	1975-02-21	1981-05-15	Philips Nv	Naleveringskathode.
JPS58154131A (ja) *	1982-03-10	1983-09-13	Hitachi Ltd	含浸形陰極
NL8201371A (nl) *	1982-04-01	1983-11-01	Philips Nv	Werkwijzen voor het vervaardigen van een naleveringskathode en naleveringskathode vervaardigd volgens deze werkwijzen.
NL8403032A (nl) *	1984-10-05	1986-05-01	Philips Nv	Werkwijze voor het vervaardigen van een scandaatnaleveringskathode, naleveringskathode vervaardigd met deze werkwijze.
NL8403031A (nl) *	1984-10-05	1986-05-01	Philips Nv	Werkwijze voor het vervaardigen van een scandaatnaleveringskathode en scandaatnaleveringskathode vervaardigd volgens deze werkwijze.
JPS63254636A (ja) *	1987-04-10	1988-10-21	Hitachi Ltd	含浸形陰極

1987
- 1987-07-06 NL NL8701583A patent/NL8701583A/nl not_active Application Discontinuation
1988
- 1988-07-04 KR KR1019880008245A patent/KR890002949A/ko not_active Abandoned
- 1988-07-04 DE DE3889696T patent/DE3889696T2/de not_active Expired - Fee Related
- 1988-07-04 EP EP88201392A patent/EP0298558B1/de not_active Expired - Lifetime
- 1988-07-04 JP JP63165191A patent/JP2685232B2/ja not_active Expired - Lifetime

Also Published As

Publication number	Publication date
EP0298558B1 (de)	1994-05-25
DE3889696D1 (de)	1994-06-30
EP0298558A1 (de)	1989-01-11
JPH01163941A (ja)	1989-06-28
KR890002949A (ko)	1989-04-12
DE3889696T2 (de)	1994-12-08
JP2685232B2 (ja)	1997-12-03

Legal Events

Date	Code	Title	Description
1989-02-01	A1B	A search report has been drawn up
1990-03-01	BV	The patent application has lapsed

Publication	Publication Date	Title
US4625142A (en)	1986-11-25	Methods of manufacturing a dispenser cathode and dispenser cathode manufactured according to the method
US4594220A (en)	1986-06-10	Method of manufacturing a scandate dispenser cathode and dispenser cathode manufactured by means of the method
US4823044A (en)	1989-04-18	Dispenser cathode and method of manufacture therefor
NL8702727A (nl)	1989-06-16	Scandaatkathode.
EP0200276B1 (de)	1990-02-28	Verfahren zur Herstellung einer Vorratskathode und Verwendung dieses Verfahrens
US4873052A (en)	1989-10-10	Method of manufacturing a scandate dispenser cathode and scandate dispenser cathode manufactured according to the method
NL8701583A (nl)	1989-02-01	Scandaatkathode.
EP0390269B1 (de)	1994-06-29	Scandatkathode
EP0428206A1 (de)	1991-05-22	Scandatkathode
HK34097A (en)	1997-03-27	Impregnated cathode manufacturing procedure and cathode obtained therewith
US4837480A (en)	1989-06-06	Simplified process for fabricating dispenser cathodes
US5261845A (en)	1993-11-16	Scandate cathode
NL8701584A (nl)	1989-02-01	Werkwijze voor de vervaardiging van een naleveringskathode; naleveringskathode vervaardigd volgens de werkwijze; lopende golfbuis, klystron en zendbuis bevattende een kathode vervaardigd volgens de werkwijze.
US2995674A (en)	1961-08-08	Impregnated cathodes
KR920004552B1 (ko)	1992-06-08	디스펜서 음극
US2420014A (en)	1947-05-06	Cathode
KR100225134B1 (ko)	1999-10-15	음극선관용 음극구조체
JP4300042B2 (ja)	2009-07-22	放電ランプ用陰極の製造方法
JPH07296716A (ja)	1995-11-10	陰極構造体の含浸形ペレット及びその製造方法
JP2001006607A (ja)	2001-01-12	放電管および放電管用陰極の製造方法
JPS63116330A (ja)	1988-05-20	含浸型陰極
JP2004241249A (ja)	2004-08-26	含浸型陰極およびその製造方法
NL8601374A (nl)	1987-12-16	Werkwijze voor het vervaardigen van een naleveringskathode.