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
DE2165703A1 (en) * 1971-12-30 1973-07-12 Hitachi Ltd PUNCHED MASKS FOR COLOR TUBES
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
BE565080A (en)
FR1200214A (en) 1959-12-18
GB841405A (en) 1960-07-13
DE1091674B (en) 1960-10-27
NL225220A (en)
US2908838A (en) 1959-10-13

Similar Documents

Publication Publication Date Title
CH347225A (en) A method of treating a cathode ray tube shadow mask to prevent poisoning of the cathode
FR1189217A (en) Chi ray microscope
FR1201432A (en) Pressed cathode and its manufacturing process
BE586842A (en) Impregnated cathode for discharge tube and method of manufacture thereof.
CH360442A (en) Electron-optical system for cathode ray tubes
FR1185028A (en) Reserve cathode and its manufacturing process
FR1183341A (en) Corrosion resistant composite pipe
CH349006A (en) Deflection coil system for cathode ray tubes
FR1204546A (en) Sheath for pipeline, and its manufacturing process
FR1163323A (en) Dehydrohalogenation process
FR1168207A (en) Tube taper machine
FR1167867A (en) Metallic uranium manufacturing process
FR1187473A (en) Converter funds, and their manufacturing process
FR1177296A (en) Chi ray generator tube
FR1183091A (en) Etching process
FR1168148A (en) Floor and its manufacturing process
FR1256393A (en) Cathode ray tube manufacturing process
FR1150533A (en) Corrosion resistant tubes
FR1371496A (en) Manufacturing process of cathode ray tubes
AT197449B (en) cathode ray tube
FR1282835A (en) Process for manufacturing grids for electron tubes, machine for this purpose and grids thus obtained
FR1173755A (en) Stainless steel and its manufacturing process
BE600247A (en) Process for manufacturing grids for electron tubes, machine for this purpose and grids thus obtained
FR1166323A (en) Improvements to circuits comprising a cathode ray tube
FR1272053A (en) Improvements to cathode ray tubes