NL300312A - - Google Patents

Info

Publication number: NL300312A
Authority: NL; Netherlands

Application number

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.)

1963-09-24

Publication of NL300312A publication Critical patent/NL300312A/xx

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/24—After-treatment of workpieces or articles
- B22F3/26—Impregnating
- 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
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K3/00—Apparatus or processes adapted to the manufacture, installing, removal, or maintenance of incandescent lamps or parts thereof
- H01K3/02—Manufacture of incandescent bodies

Landscapes

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

NL300312D 1963-09-24 NL300312A (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US311174A US3320091A (en)	1963-09-24	1963-09-24	Method for impregnating tungsten dispenser cathodes

Publications (1)

Publication Number	Publication Date
NL300312A true NL300312A (de)

Family

ID=23205735

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
NL133280D NL133280C (de)	1963-09-24
NL300312D NL300312A (de)	1963-09-24

Family Applications Before (1)

Application Number	Title	Priority Date	Filing Date
NL133280D NL133280C (de)	1963-09-24

Country Status (3)

Country	Link
US (1)	US3320091A (de)
DE (1)	DE1234860B (de)
NL (2)	NL300312A (de)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US944139A (en) *	1909-10-11	1909-12-21	Adrian Denman Jones	Electrode for electric-arc lamps.
US1993187A (en) *	1929-05-04	1935-03-05	Electrons Inc	Cold cathode discharge tube
BE515834A (de) *	1951-11-29
US3118080A (en) *	1959-12-10	1964-01-14	Semicon Associates Inc	Tungsten dispenser cathodes and impregnants therefor
DE1120605B (de) *	1960-09-21	1961-12-28	Siemens Ag	Oxydkathode

0
- NL NL133280D patent/NL133280C/xx active
- NL NL300312D patent/NL300312A/xx unknown
1963
- 1963-09-24 US US311174A patent/US3320091A/en not_active Expired - Lifetime
1964
- 1964-01-10 DE DES89008A patent/DE1234860B/de active Pending

Also Published As

Publication number	Publication date
DE1234860B (de)	1967-02-23
US3320091A (en)	1967-05-16
NL133280C (de)

Publication	Publication Date	Title
AR142945A1 (de)	1965-02-11
AT260747B (de)	1968-03-25
BE627012A (de)
BE642213A (de)	1964-07-08
BE626826A (de)
BE645269A (de)	1964-07-16
BE645204A (de)	1964-07-01
BE645060A (de)	1964-07-01
BE645820A (de)	1964-07-16
BE644979A (de)	1964-07-01
BE644638A (de)	1964-07-01
NL133280C (de)
BE644114A (de)
BE643944A (de)
BE643848A (de)	1964-05-29
BE643805A (de)	1964-08-14
BE643711A (de)	1964-06-01
BE643592A (de)	1964-05-29
BE643555A (de)	1964-05-29
BE643423A (de)	1964-08-05
BE643192A (de)	1964-05-15
BE642700A (de)	1964-05-15
BE507458A (de)
BE637417A (de)
BE625880A (de)