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GB627063A - Improvements in or relating to cathode-ray tubes - Google Patents

Improvements in or relating to cathode-ray tubes

Info

Publication number
GB627063A
GB627063A GB162/47A GB16247A GB627063A GB 627063 A GB627063 A GB 627063A GB 162/47 A GB162/47 A GB 162/47A GB 16247 A GB16247 A GB 16247A GB 627063 A GB627063 A GB 627063A
Authority
GB
United Kingdom
Prior art keywords
cathode
ion filter
electrons
tube
ion
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
GB162/47A
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.)
Rauland Borg Corp
Original Assignee
Rauland Borg Corp
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 Rauland Borg Corp filed Critical Rauland Borg Corp
Publication of GB627063A publication Critical patent/GB627063A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J5/00—Details relating to vessels or to leading-in conductors common to two or more basic types of discharge tubes or lamps
    • H01J5/02—Vessels; Containers; Shields associated therewith; Vacuum locks
    • H01J5/18—Windows permeable to X-rays, gamma-rays, or particles
    • 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
    • H01J29/84—Traps for removing or diverting unwanted particles, e.g. negative ions, fringing electrons; Arrangements for velocity or mass selection
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/30—Foil or other thin sheet-metal making or treating
    • Y10T29/301—Method
    • Y10T29/308—Using transitory material

Landscapes

  • Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)

Abstract

627,063. Cathode-ray tubes. RAULAND CORPORATION. Jan. 2, 1947, No. 162. Convention date, July 23, 1946. [Class 39 (i)] A cathode-ray tube with an ion filtering screen is provided with additional means foi collecting fringing electrons of low velocity which result from the presence of the ion filter. A diaphragm with a central aperture will remove the low velocity electrons when the ion filter 7, e.g. of aluminium is placed well inside the anode tube of the electron gun, or, alternatively, as shown in Fig. 3a, a series of fine-mesh electrodes are placed closely adjacent the ion filter 6, 7, the first and third 13, 16 being connected to the anode and the middle one, 14, connected to a source of low potential, e.g. the second grid or cathode of the tube. The mesh electrodes may be replaced by perforated diaphragms. The ion filter may be made by evaporating the metal, e.g. aluminium, on to a mould or thin plastic membrane which is later dissolved away. In a modification, the ion filter is located between the gun and the fluorescent screen, a screen grid collecting the fringing electrons.
GB162/47A 1946-07-23 1947-01-02 Improvements in or relating to cathode-ray tubes Expired GB627063A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US685617A US2431113A (en) 1946-07-23 1946-07-23 Ion filter

Publications (1)

Publication Number Publication Date
GB627063A true GB627063A (en) 1949-07-27

Family

ID=24752970

Family Applications (1)

Application Number Title Priority Date Filing Date
GB162/47A Expired GB627063A (en) 1946-07-23 1947-01-02 Improvements in or relating to cathode-ray tubes

Country Status (2)

Country Link
US (1) US2431113A (en)
GB (1) GB627063A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2722620A (en) * 1952-09-11 1955-11-01 High Voltage Engineering Corp Electron window and method of increasing the mechanical strength thereof

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2545595A (en) * 1947-05-26 1951-03-20 Luis W Alvarez Linear accelerator
US2575067A (en) * 1948-05-13 1951-11-13 Clarostat Mfg Co Inc Ion trap
US2622220A (en) * 1949-03-22 1952-12-16 Technicolor Motion Picture Television color screen
US2617953A (en) * 1949-06-28 1952-11-11 Electronized Chem Corp Window structure for cathode-ray tubes
US2569517A (en) * 1949-09-09 1951-10-02 Du Mont Allen B Lab Inc Magnet for cathode-ray tube ion traps
US2734145A (en) * 1949-10-27 1956-02-07 William
US2746129A (en) * 1949-11-16 1956-05-22 Bell Telephone Labor Inc Method of producing a taut thin member
NL157537B (en) * 1949-11-25 Calsilox Sa METHOD AND DEVICE FOR FIXING REINFORCEMENT IN A FORM.
US2584814A (en) * 1950-06-16 1952-02-05 Rca Corp Color television picture tube
US2740919A (en) * 1953-06-25 1956-04-03 Farrand Optical Co Inc Electron lens
US2986668A (en) * 1957-12-23 1961-05-30 Gen Dynamics Corp Cathode ray tube optical system
US3421048A (en) * 1967-08-18 1969-01-07 Rauland Corp Color-selection mask and post-deflection focus assembly for a color tube
FR2800512B1 (en) * 1999-10-28 2002-03-01 Pixtech Sa FLAT VISUALIZATION SCREEN WITH PROTECTION GRID
FR2800511A1 (en) * 1999-10-28 2001-05-04 Pixtech Sa Flat screen display with cathode field effect transmission and anode/extraction grid together with electronic bombardment permeable ion parasitic reduction filter.
CN113564673A (en) * 2021-08-06 2021-10-29 新疆德丰亿升石油防腐工程有限公司 Sucker rod electroplating device and method

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2004177A (en) * 1931-01-20 1935-06-11 Telefunken Gmbh Light amplifier
US2030492A (en) * 1931-12-14 1936-02-11 Applebaum David Glow tube control system
GB480948A (en) * 1936-07-25 1938-02-25 Frederick Hermes Nicoll Improvements in or relating to cathode ray tubes
US2274586A (en) * 1939-02-25 1942-02-24 Philco Radio & Television Corp Cathode ray tube
CH202093A (en) * 1937-04-20 1938-12-31 Siemens Ag Albis Process for the production of anode material for electrothermally modulable emitters.
GB519015A (en) * 1937-07-10 1940-03-14 British Thomson Houston Co Ltd Improvements in and relating to electron tubes
US2187126A (en) * 1937-11-26 1940-01-16 Kolorama Lab Inc Lenard ray tube head
US2285424A (en) * 1938-12-14 1942-06-09 Suddeutsche App Fabrik G M B H Method of manufacturing foillike layers

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2722620A (en) * 1952-09-11 1955-11-01 High Voltage Engineering Corp Electron window and method of increasing the mechanical strength thereof

Also Published As

Publication number Publication date
US2431113A (en) 1947-11-18

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