CH347225A - A method of treating a cathode ray tube shadow mask to prevent poisoning of the cathode - Google Patents

A method of treating a cathode ray tube shadow mask to prevent poisoning of the cathode

Info

Publication number
CH347225A
CH347225A CH347225DA CH347225A CH 347225 A CH347225 A CH 347225A CH 347225D A CH347225D A CH 347225DA CH 347225 A CH347225 A CH 347225A
Authority
CH
Switzerland
Prior art keywords
cathode
treating
ray tube
shadow mask
prevent poisoning
Prior art date
Application number
Other languages
French (fr)
Inventor
Emery Nordberg Martin
Original Assignee
Corning Glass Works
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 Corning Glass Works filed Critical Corning Glass Works
Publication of CH347225A publication Critical patent/CH347225A/en

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
    • H01J29/02—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
    • H01J29/06—Screens for shielding; Masks interposed in the electron stream
    • H01J29/07—Shadow masks for colour television tubes
CH347225D 1957-02-25 1958-02-24 A method of treating a cathode ray tube shadow mask to prevent poisoning of the cathode CH347225A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US642073A US2908838A (en) 1957-02-25 1957-02-25 Aperture mask treatment to prevent cathode poisoning

Publications (1)

Publication Number Publication Date
CH347225A true CH347225A (en) 1960-06-30

Family

ID=24575074

Family Applications (1)

Application Number Title Priority Date Filing Date
CH347225D CH347225A (en) 1957-02-25 1958-02-24 A method of treating a cathode ray tube shadow mask to prevent poisoning of the cathode

Country Status (7)

Country Link
US (1) US2908838A (en)
BE (1) BE565080A (en)
CH (1) CH347225A (en)
DE (1) DE1091674B (en)
FR (1) FR1200214A (en)
GB (1) GB841405A (en)
NL (1) NL225220A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2166562A5 (en) * 1971-12-30 1973-08-17 Hitachi Ltd
US4621214A (en) * 1984-04-19 1986-11-04 Rca Corporation Color selection means having a charged insulator portion for a cathode-ray tube
US4622084A (en) * 1985-01-29 1986-11-11 Chang Kern K N Method of sealing a mount in a cathode-ray tube

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2279168A (en) * 1940-02-29 1942-04-07 Westinghouse Electric & Mfg Co Process for kovar-glass seals
BE479146A (en) * 1941-12-31
US2392099A (en) * 1943-07-29 1946-01-01 Bell Telephone Labor Inc Manufacture of glass sealed contact units
US2777084A (en) * 1952-04-12 1957-01-08 Gen Electric Plastic electrode structure for electron tubes
US2805360A (en) * 1954-10-08 1957-09-03 Gen Dynamics Corp Image storage apparatus

Also Published As

Publication number Publication date
NL225220A (en)
GB841405A (en) 1960-07-13
BE565080A (en)
FR1200214A (en) 1959-12-18
US2908838A (en) 1959-10-13
DE1091674B (en) 1960-10-27

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