JPH0747781Y2 - 熱陰極保持装置 - Google Patents

熱陰極保持装置

Info

Publication number
JPH0747781Y2
JPH0747781Y2 JP1989039654U JP3965489U JPH0747781Y2 JP H0747781 Y2 JPH0747781 Y2 JP H0747781Y2 JP 1989039654 U JP1989039654 U JP 1989039654U JP 3965489 U JP3965489 U JP 3965489U JP H0747781 Y2 JPH0747781 Y2 JP H0747781Y2
Authority
JP
Japan
Prior art keywords
heater
holding device
cathode
column
hot cathode
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 - Lifetime
Application number
JP1989039654U
Other languages
English (en)
Japanese (ja)
Other versions
JPH02131243U (en]
Inventor
誠之助 松尾
嘉明 田中
Original Assignee
株式会社日本イーテック・システムズ
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 株式会社日本イーテック・システムズ filed Critical 株式会社日本イーテック・システムズ
Priority to JP1989039654U priority Critical patent/JPH0747781Y2/ja
Publication of JPH02131243U publication Critical patent/JPH02131243U/ja
Application granted granted Critical
Publication of JPH0747781Y2 publication Critical patent/JPH0747781Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Electron Sources, Ion Sources (AREA)
  • Electrodes For Cathode-Ray Tubes (AREA)
JP1989039654U 1989-04-05 1989-04-05 熱陰極保持装置 Expired - Lifetime JPH0747781Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989039654U JPH0747781Y2 (ja) 1989-04-05 1989-04-05 熱陰極保持装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989039654U JPH0747781Y2 (ja) 1989-04-05 1989-04-05 熱陰極保持装置

Publications (2)

Publication Number Publication Date
JPH02131243U JPH02131243U (en]) 1990-10-31
JPH0747781Y2 true JPH0747781Y2 (ja) 1995-11-01

Family

ID=31548759

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989039654U Expired - Lifetime JPH0747781Y2 (ja) 1989-04-05 1989-04-05 熱陰極保持装置

Country Status (1)

Country Link
JP (1) JPH0747781Y2 (en])

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5697936A (en) * 1980-01-09 1981-08-07 Toshiba Corp Cathode structure of electron gun

Also Published As

Publication number Publication date
JPH02131243U (en]) 1990-10-31

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term