GB1323797A - Cathodes - Google Patents

Cathodes

Info

Publication number
GB1323797A
GB1323797A GB2656971A GB2656971A GB1323797A GB 1323797 A GB1323797 A GB 1323797A GB 2656971 A GB2656971 A GB 2656971A GB 2656971 A GB2656971 A GB 2656971A GB 1323797 A GB1323797 A GB 1323797A
Authority
GB
United Kingdom
Prior art keywords
substrate
layer
type
contact
monocrystalline
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
GB2656971A
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
Publication of GB1323797A publication Critical patent/GB1323797A/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

Landscapes

  • Cold Cathode And The Manufacture (AREA)
  • Electrodes Of Semiconductors (AREA)

Abstract

1323797 Cathode materials and processing HEWLETT-PACKARD CO 19 April 1971 [8 June 1970] 26569/70 Heading H1D A cold cathode comprises a monocrystalline semi-conductor having p- and n-type regions 12, 10, a rnetal layer 14 in contact with the p-type region, and a coating 16 on the metal layer to lower to work function. The p-type layer 12 is formed by diffusing Zn into monocrystalline ntype GaAs 0.7 P 0.3 substrate 10 through a SiN x mask 32. An Au contact 34 is formed over the p-type layer and Ag or Au and Cs or BaO layers 14, 16 subsequently vacuum deposited. A Au- Sb film 30 is formed on the other face of the substrate 10. Several cathodes may be formed in a substrate and used in a C.R.T.
GB2656971A 1970-06-08 1971-04-19 Cathodes Expired GB1323797A (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
GB1323797A true GB1323797A (en) 1973-07-18

Family

ID=21932180

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2656971A Expired GB1323797A (en) 1970-06-08 1971-04-19 Cathodes

Country Status (5)

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

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL184549C (en) * 1978-01-27 1989-08-16 Philips Nv SEMICONDUCTOR DEVICE FOR GENERATING AN ELECTRON POWER AND DISPLAY DEVICE EQUIPPED WITH SUCH A SEMICONDUCTOR DEVICE.
NL184589C (en) * 1979-07-13 1989-09-01 Philips Nv Semiconductor device for generating an electron beam and method of manufacturing such a semiconductor device.
NL8200875A (en) * 1982-03-04 1983-10-03 Philips Nv DEVICE FOR RECORDING OR PLAYING IMAGES AND SEMICONDUCTOR DEVICE FOR USE IN SUCH A DEVICE.
DE3538175C2 (en) * 1984-11-21 1996-06-05 Philips Electronics Nv Semiconductor device for generating an electron current and its use

Also Published As

Publication number Publication date
DE2120579C3 (en) 1975-10-30
DE2120579A1 (en) 1973-01-04
FR2096067A5 (en) 1972-02-11
CH527495A (en) 1972-08-31
DE2120579B2 (en) 1975-03-13
CA942824A (en) 1974-02-26

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees