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 (enrdf_load_html_response)

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 (enrdf_load_html_response)

Family

ID=24120153

Family Applications (1)

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

Country Status (7)

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

Families Citing this family (32)

* 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
DE1242899B (de) 1961-02-10 1967-06-22 Westinghouse Electric Corp Hochvakuum-Ionisationsmanometer
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.
NL184589C (nl) * 1979-07-13 1989-09-01 Philips Nv Halfgeleiderinrichting voor het opwekken van een elektronenbundel en werkwijze voor het vervaardigen 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 (en) * 1998-05-18 1999-11-24 Barco N.V. Cold cathode electron-emitting device

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

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