JPS5317263A - Direct headted cathode for electron tube - Google Patents

Direct headted cathode for electron tube

Info

Publication number
JPS5317263A
JPS5317263A JP9135876A JP9135876A JPS5317263A JP S5317263 A JPS5317263 A JP S5317263A JP 9135876 A JP9135876 A JP 9135876A JP 9135876 A JP9135876 A JP 9135876A JP S5317263 A JPS5317263 A JP S5317263A
Authority
JP
Japan
Prior art keywords
cathode
headted
direct
electron tube
cathode substance
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
JP9135876A
Other languages
Japanese (ja)
Inventor
Toshiyuki Aida
Isamu Yuhito
Sanehiro Kudo
Hiroshi Okano
Akira Misumi
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 JP9135876A priority Critical patent/JPS5317263A/en
Publication of JPS5317263A publication Critical patent/JPS5317263A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: Distortion and curvature of a cathode substance are prevented by providing a sintered metallic layer and an electron radiant material on the front and back faces of the cathode substance, so that efficiency can be improved.
COPYRIGHT: (C)1978,JPO&Japio
JP9135876A 1976-08-02 1976-08-02 Direct headted cathode for electron tube Pending JPS5317263A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9135876A JPS5317263A (en) 1976-08-02 1976-08-02 Direct headted cathode for electron tube

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9135876A JPS5317263A (en) 1976-08-02 1976-08-02 Direct headted cathode for electron tube

Publications (1)

Publication Number Publication Date
JPS5317263A true JPS5317263A (en) 1978-02-17

Family

ID=14024152

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9135876A Pending JPS5317263A (en) 1976-08-02 1976-08-02 Direct headted cathode for electron tube

Country Status (1)

Country Link
JP (1) JPS5317263A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55155201U (en) * 1979-04-21 1980-11-08
JPS55144631A (en) * 1979-04-28 1980-11-11 Hitachi Ltd Directly-heated cathode for electronic tube

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55155201U (en) * 1979-04-21 1980-11-08
JPS623795Y2 (en) * 1979-04-21 1987-01-28
JPS55144631A (en) * 1979-04-28 1980-11-11 Hitachi Ltd Directly-heated cathode for electronic tube

Similar Documents

Publication Publication Date Title
JPS536560A (en) Manufacture of cathode for direct heating type cathode ray tube
JPS5451459A (en) Cathode of electron tube
JPS5317263A (en) Direct headted cathode for electron tube
JPS5339054A (en) Basement metal plate material for direct heated oxide cathode
JPS53135564A (en) Thermal cathode and its manufacture
JPS526076A (en) Manufacturing process of cathode ray tube
JPS5362454A (en) Direct heating type cathode construction
JPS5226150A (en) Secondary electron multiplier
JPS5370756A (en) Electronic gun for microwave tube
JPS52115161A (en) Electron gun for electron beam exposing device
JPS52127151A (en) Electron ray indicator tube
JPS5339055A (en) Basement metal plate material for direct heated oxide cathode
JPS5277662A (en) Anode material
JPS5230150A (en) Manufacturing system of electron radiation cathode rod
JPS5224069A (en) Cathode-ray tube electron gun use cathode
JPS51144569A (en) Microwave tube
JPS51139765A (en) Method of manufacturing secondary electron multiplication channel plate
JPS5362978A (en) Electron microscope
JPS52115684A (en) X-ray tube
JPS5330862A (en) Production of cathode of directly-heated cathode-ray tube
JPS5354999A (en) Target for x-ray tube
JPS5291356A (en) Direct heating cathode structure
JPS5390858A (en) Magnetron
JPS53120364A (en) Production apparatus and method of electron emissive film
JPS51148351A (en) Fluorescent amplifier tube