BE549199A - - Google Patents

Info

Publication number
BE549199A
BE549199A BE549199DA BE549199A BE 549199 A BE549199 A BE 549199A BE 549199D A BE549199D A BE 549199DA BE 549199 A BE549199 A BE 549199A
Authority
BE
Belgium
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.)
Publication of BE549199A publication Critical patent/BE549199A/xx

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
    • H01J1/30—Cold cathodes, e.g. field-emissive cathode
    • H01J1/308—Semiconductor cathodes, e.g. cathodes with PN junction layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D28/00—Shaping by press-cutting; Perforating
    • B21D28/24—Perforating, i.e. punching holes
    • B21D28/243—Perforating, i.e. punching holes in profiles

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cold Cathode And The Manufacture (AREA)
BE549199D 1955-09-01 BE549199A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US532043A US2960659A (en) 1955-09-01 1955-09-01 Semiconductive electron source

Publications (1)

Publication Number Publication Date
BE549199A true BE549199A (de)

Family

ID=24120153

Family Applications (1)

Application Number Title Priority Date Filing Date
BE549199D BE549199A (de) 1955-09-01

Country Status (7)

Country Link
US (1) US2960659A (de)
BE (1) BE549199A (de)
CH (1) CH337957A (de)
DE (1) DE1037026B (de)
FR (1) FR1154041A (de)
GB (1) GB830086A (de)
NL (1) NL107624C (de)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB853352A (en) * 1957-12-16 1960-11-02 Vickers Electrical Co Ltd Improvements relating to electron emitters
FR1204367A (fr) * 1958-03-24 1960-01-26 Csf Cathode thermoélectronique froide à semi-conducteur
US3105166A (en) * 1959-01-15 1963-09-24 Westinghouse Electric Corp Electron tube with a cold emissive cathode
US3036234A (en) * 1959-09-28 1962-05-22 Bell Telephone Labor Inc Electron discharge devices employing secondary electron emission
US3119947A (en) * 1961-02-20 1964-01-28 Clevite Corp Semiconductive electron emissive device
US3242374A (en) * 1961-04-21 1966-03-22 Tung Sol Electric Inc Cold cathode with nickel base, calcium oxide interface and magnesium oxide layer
US3184636A (en) * 1961-06-15 1965-05-18 Sylvania Electric Prod Cold cathode
US3275844A (en) * 1962-11-16 1966-09-27 Burroughs Corp Active thin film quantum mechanical tunneling apparatus
FR1359344A (fr) * 1963-03-15 1964-04-24 Csf Perfectionnements aux cathodes froides à couche diélectrique
US3277313A (en) * 1963-07-05 1966-10-04 Burroughs Corp Solid state quantum mechanical tunneling apparatus
US3330991A (en) * 1963-07-12 1967-07-11 Raytheon Co Non-thermionic electron emission devices
US3364367A (en) * 1963-12-12 1968-01-16 Westinghouse Electric Corp Solid state electron multiplier including reverse-biased, dissimilar semiconductor layers
US3349297A (en) * 1964-06-23 1967-10-24 Bell Telephone Labor Inc Surface barrier semiconductor translating device
US3521073A (en) * 1965-11-26 1970-07-21 Gen Dynamics Corp Light emitting semiconductor diode using the field emission effect
US3581151A (en) * 1968-09-16 1971-05-25 Bell Telephone Labor Inc Cold cathode structure comprising semiconductor whisker elements
US3699404A (en) * 1971-02-24 1972-10-17 Rca Corp Negative effective electron affinity emitters with drift fields using deep acceptor doping
US3882355A (en) * 1972-12-29 1975-05-06 Ibm Flat screen display device using controlled cold cathodes
US3872489A (en) * 1973-02-22 1975-03-18 Gte Laboratories Inc Electron emission from a cold cathode
NL184549C (nl) * 1978-01-27 1989-08-16 Philips Nv Halfgeleiderinrichting voor het opwekken van een elektronenstroom en weergeefinrichting voorzien van een dergelijke halfgeleiderinrichting.
US4683399A (en) * 1981-06-29 1987-07-28 Rockwell International Corporation Silicon vacuum electron devices
NL8104893A (nl) * 1981-10-29 1983-05-16 Philips Nv Kathodestraalbuis en halfgeleiderinrichting voor toepassing in een dergelijke kathodestraalbuis.
GB2109160B (en) * 1981-11-06 1985-05-30 Philips Electronic Associated Semiconductor electron source for display tubes and other equipment
GB2109159B (en) * 1981-11-06 1985-05-30 Philips Electronic Associated Semiconductor electron source for display tubes and other equipment
NL8200875A (nl) * 1982-03-04 1983-10-03 Philips Nv Inrichting voor het opnemen of weergeven van beelden en halfgeleiderinrichting voor toepassing in een dergelijke inrichting.
US4513308A (en) * 1982-09-23 1985-04-23 The United States Of America As Represented By The Secretary Of The Navy p-n Junction controlled field emitter array cathode
NL8500413A (nl) * 1985-02-14 1986-09-01 Philips Nv Electronenbundelapparaat met een halfgeleider electronenemitter.
FR2634060B1 (fr) * 1988-07-05 1996-02-09 Thomson Csf Structure de source d'electrons et application aux tubes d'emission d'ondes electromagnetiques
US5359257A (en) * 1990-12-03 1994-10-25 Bunch Kyle J Ballistic electron, solid state cathode
US5410158A (en) * 1993-01-22 1995-04-25 Motorola, Inc. Bipolar transistor apparatus with iso-terminals
EP0959485A1 (de) * 1998-05-18 1999-11-24 Barco N.V. Elektronenemittierende Vorrichtung mit Kaltkathode

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2735049A (en) * 1956-02-14 De forest

Also Published As

Publication number Publication date
CH337957A (fr) 1959-04-30
FR1154041A (fr) 1958-04-01
US2960659A (en) 1960-11-15
NL107624C (de)
DE1037026B (de) 1958-08-21
GB830086A (en) 1960-03-09

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