CA1030852A - Directional etching of cathode ray tube masks - Google Patents

Directional etching of cathode ray tube masks

Info

Publication number
CA1030852A
CA1030852A CA197,243A CA197243A CA1030852A CA 1030852 A CA1030852 A CA 1030852A CA 197243 A CA197243 A CA 197243A CA 1030852 A CA1030852 A CA 1030852A
Authority
CA
Canada
Prior art keywords
ray tube
cathode ray
directional etching
masks
tube masks
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
CA197,243A
Other languages
French (fr)
Other versions
CA197243S (en
Inventor
Raymond M. Stachniak
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.)
Zenith Electronics LLC
Original Assignee
Zenith Radio 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 Zenith Radio Corp filed Critical Zenith Radio Corp
Application granted granted Critical
Publication of CA1030852A publication Critical patent/CA1030852A/en
Expired legal-status Critical Current

Links

CA197,243A 1973-08-02 1974-04-10 Directional etching of cathode ray tube masks Expired CA1030852A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US38487473A 1973-08-02 1973-08-02

Publications (1)

Publication Number Publication Date
CA1030852A true CA1030852A (en) 1978-05-09

Family

ID=23519113

Family Applications (1)

Application Number Title Priority Date Filing Date
CA197,243A Expired CA1030852A (en) 1973-08-02 1974-04-10 Directional etching of cathode ray tube masks

Country Status (1)

Country Link
CA (1) CA1030852A (en)

Similar Documents

Publication Publication Date Title
AU8547475A (en) Colour cathode ray tube
CA997821A (en) Shadow mask for color cathode ray tube and method of manufacture thereof
CA1022599A (en) Suspension of shadow mask in colour cathode ray tube
CA1006217A (en) Frameless shadow mask for color cathode ray tube
AU504894B2 (en) Cathode ray tube
AU500139B2 (en) Cathode ray tube
AU467425B2 (en) Multibeam cathode ray tube construction
AU500926B2 (en) Cathode-ray tube
AU5991973A (en) Manufacture of a cathode ray tube
CA987383A (en) Cathode ray tube
AU502932B2 (en) Cathode ray tube having improved shadow mask
CA1030852A (en) Directional etching of cathode ray tube masks
CA1001706A (en) Cathode ray tubes and their manufacture
CA1002367A (en) Method of fabricating a color cathode ray tube
CA1011386A (en) Electrodes of cathode ray tube electron gun
AU477865B2 (en) Multi-beam cathode ray tube construction
CA912420A (en) Etching of shadow mask electrodes
CA1010490A (en) Frameless shadow mask for color cathode ray tube
AU490891B2 (en) Cathode ray tube
AU5040979A (en) Cathode ray tube
AU472493B2 (en) Deflection circuit fora cathode ray tube
CA808867A (en) Method of making a shadow mask electrode for a cathode ray tube
AU492066B2 (en) Cathode ray tube having improved line-screen structure
AU477710B2 (en) Cathode-ray tube having an apertured mask
AU4752672A (en) Shadow mask colour picture cathode ray tube