GB1417452A - Image tube employing high field electron emission suppression - Google Patents

Image tube employing high field electron emission suppression

Info

Publication number
GB1417452A
GB1417452A GB293773A GB293773A GB1417452A GB 1417452 A GB1417452 A GB 1417452A GB 293773 A GB293773 A GB 293773A GB 293773 A GB293773 A GB 293773A GB 1417452 A GB1417452 A GB 1417452A
Authority
GB
United Kingdom
Prior art keywords
electrode
focus
coating
high field
photocathode
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
GB293773A
Other languages
English (en)
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.)
Varian Medical Systems Inc
Original Assignee
Varian Associates Inc
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 Varian Associates Inc filed Critical Varian Associates Inc
Publication of GB1417452A publication Critical patent/GB1417452A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J31/00—Cathode ray tubes; Electron beam tubes
    • H01J31/08—Cathode ray tubes; Electron beam tubes having a screen on or from which an image or pattern is formed, picked up, converted, or stored
    • H01J31/50—Image-conversion or image-amplification tubes, i.e. having optical, X-ray, or analogous input, and optical output
    • H01J31/501—Image-conversion or image-amplification tubes, i.e. having optical, X-ray, or analogous input, and optical output with an electrostatic electron optic system

Landscapes

  • Image-Pickup Tubes, Image-Amplification Tubes, And Storage Tubes (AREA)
GB293773A 1972-01-21 1973-01-19 Image tube employing high field electron emission suppression Expired GB1417452A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US21972972A 1972-01-21 1972-01-21

Publications (1)

Publication Number Publication Date
GB1417452A true GB1417452A (en) 1975-12-10

Family

ID=22820538

Family Applications (1)

Application Number Title Priority Date Filing Date
GB293773A Expired GB1417452A (en) 1972-01-21 1973-01-19 Image tube employing high field electron emission suppression

Country Status (6)

Country Link
JP (1) JPS4884567A (enrdf_load_stackoverflow)
DE (1) DE2302377A1 (enrdf_load_stackoverflow)
FR (1) FR2168553B3 (enrdf_load_stackoverflow)
GB (1) GB1417452A (enrdf_load_stackoverflow)
IL (1) IL41312A (enrdf_load_stackoverflow)
NL (1) NL7300854A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023247835A1 (en) * 2022-06-23 2023-12-28 Lumineq Oy Phosphor screen, imaging device, and method

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5181556A (ja) * 1975-01-14 1976-07-16 Tokyo Shibaura Electric Co Imeejikan
JPS586260B2 (ja) * 1976-08-30 1983-02-03 株式会社東芝 Ｘ線螢光増倍管およびその製造方法
NL178286C (nl) * 1977-03-03 1986-02-17 Philips Nv Beeldversterkerbuis in een omhulling met verend materiaal.
JPS5755734Y2 (enrdf_load_stackoverflow) * 1977-08-31 1982-12-01
JPS5826452Y2 (ja) * 1982-01-26 1983-06-08 エヌ・ベ−・フイリツプス・フル−イランペンフアブリケン 像増強管
FR2600177B1 (fr) * 1986-06-13 1988-08-19 Thomson Csf Procede de fabrication d'un intensificateur d'images radiologiques et intensificateur d'images radiologiques ainsi obtenu
NL8900038A (nl) * 1989-01-09 1990-08-01 Philips Nv Beeldversterkerbuis met bedekte elektroden.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023247835A1 (en) * 2022-06-23 2023-12-28 Lumineq Oy Phosphor screen, imaging device, and method

Also Published As

Publication number Publication date
NL7300854A (enrdf_load_stackoverflow) 1973-07-24
IL41312A (en) 1975-06-25
FR2168553A3 (enrdf_load_stackoverflow) 1973-08-31
DE2302377A1 (de) 1973-07-26
IL41312A0 (en) 1973-03-30
JPS4884567A (enrdf_load_stackoverflow) 1973-11-09
FR2168553B3 (enrdf_load_stackoverflow) 1974-03-08

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLE Entries relating assignments, transmissions, licences in the register of patents
PCNP Patent ceased through non-payment of renewal fee