CA942824A - Cold cathode - Google Patents

Cold cathode

Info

Publication number
CA942824A
CA942824A CA109,329A CA109329A CA942824A CA 942824 A CA942824 A CA 942824A CA 109329 A CA109329 A CA 109329A CA 942824 A CA942824 A CA 942824A
Authority
CA
Canada
Prior art keywords
cold cathode
cathode
cold
Prior art date
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
CA109,329A
Other languages
English (en)
Other versions
CA109329S (en
Inventor
Robert J. Archer
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.)
HP Inc
Original Assignee
Hewlett Packard 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.)
Filing date
Publication date
Application filed by Hewlett Packard Co filed Critical Hewlett Packard Co
Application granted granted Critical
Publication of CA942824A publication Critical patent/CA942824A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
    • H01J29/48—Electron guns
    • H01J29/481—Electron guns using field-emission, photo-emission, or secondary-emission electron source
    • 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
CA109,329A 1970-06-08 1971-04-01 Cold cathode Expired CA942824A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US4440070A 1970-06-08 1970-06-08

Publications (1)

Publication Number Publication Date
CA942824A true CA942824A (en) 1974-02-26

Family

ID=21932180

Family Applications (1)

Application Number Title Priority Date Filing Date
CA109,329A Expired CA942824A (en) 1970-06-08 1971-04-01 Cold cathode

Country Status (5)

Country Link
CA (1) CA942824A (fr)
CH (1) CH527495A (fr)
DE (1) DE2120579C3 (fr)
FR (1) FR2096067A5 (fr)
GB (1) GB1323797A (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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.
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.
DE3538175C2 (de) * 1984-11-21 1996-06-05 Philips Electronics Nv Halbleiteranordnung zum Erzeugen eines Elektronenstromes und ihre Verwendung

Also Published As

Publication number Publication date
DE2120579C3 (de) 1975-10-30
CH527495A (fr) 1972-08-31
FR2096067A5 (fr) 1972-02-11
DE2120579B2 (de) 1975-03-13
DE2120579A1 (de) 1973-01-04
GB1323797A (en) 1973-07-18

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