JPS52120676A - Cathode ray tube - Google Patents

Cathode ray tube

Info

Publication number
JPS52120676A
JPS52120676A JP3712476A JP3712476A JPS52120676A JP S52120676 A JPS52120676 A JP S52120676A JP 3712476 A JP3712476 A JP 3712476A JP 3712476 A JP3712476 A JP 3712476A JP S52120676 A JPS52120676 A JP S52120676A
Authority
JP
Japan
Prior art keywords
ray tube
cathode ray
screen
metal
magnetisum
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.)
Pending
Application number
JP3712476A
Other languages
Japanese (ja)
Inventor
Hiromichi Matsudo
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP3712476A priority Critical patent/JPS52120676A/en
Publication of JPS52120676A publication Critical patent/JPS52120676A/en
Pending legal-status Critical Current

Links

Landscapes

  • Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)
  • Common Detailed Techniques For Electron Tubes Or Discharge Tubes (AREA)

Abstract

PURPOSE: To obtain the cathode ray tube which gives little emission of X ray, forming the getter metal film of the cathode ray tube, by covering same by use of the calcium metal or the magnetisum metal to the screen and the electrode face neighbouring to the screen.
COPYRIGHT: (C)1977,JPO&Japio
JP3712476A 1976-04-05 1976-04-05 Cathode ray tube Pending JPS52120676A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3712476A JPS52120676A (en) 1976-04-05 1976-04-05 Cathode ray tube

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3712476A JPS52120676A (en) 1976-04-05 1976-04-05 Cathode ray tube

Publications (1)

Publication Number Publication Date
JPS52120676A true JPS52120676A (en) 1977-10-11

Family

ID=12488844

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3712476A Pending JPS52120676A (en) 1976-04-05 1976-04-05 Cathode ray tube

Country Status (1)

Country Link
JP (1) JPS52120676A (en)

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