JPS5560244A - Electric field emission type electron gun - Google Patents

Electric field emission type electron gun

Info

Publication number
JPS5560244A
JPS5560244A JP13392678A JP13392678A JPS5560244A JP S5560244 A JPS5560244 A JP S5560244A JP 13392678 A JP13392678 A JP 13392678A JP 13392678 A JP13392678 A JP 13392678A JP S5560244 A JPS5560244 A JP S5560244A
Authority
JP
Japan
Prior art keywords
voltage
stage
anode
circuit
output
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.)
Granted
Application number
JP13392678A
Other languages
Japanese (ja)
Other versions
JPS5856953B2 (en
Inventor
Ryuzo Aihara
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.)
Jeol Ltd
Original Assignee
Jeol Ltd
Nihon Denshi KK
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 Jeol Ltd, Nihon Denshi KK filed Critical Jeol Ltd
Priority to JP13392678A priority Critical patent/JPS5856953B2/en
Publication of JPS5560244A publication Critical patent/JPS5560244A/en
Publication of JPS5856953B2 publication Critical patent/JPS5856953B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Particle Accelerators (AREA)
  • Electron Sources, Ion Sources (AREA)

Abstract

PURPOSE: To make the supply of out going voltage and initial stage acceleration voltage operable from a single power source, by applying a middle stage output of the multi-stage Cockcroft-Walton's circuit to the first anode, and by applying the final stage output of the second anode through a constant voltage circuit.
CONSTITUTION: A high frequency voltage fed from an oscillator 3, through insulating transformers 4, is inputted to the multi-stage Cockcroft-Walton's circuit 7, with an output voltage of its middle stage applied to between an emitter E and a first anode P1, and an output voltage of its final stage applied to between the emitter E and a second anode P2 through the constant voltage circuit consisting of a drop resistor 8 and a constant voltage element 9. In this way, the both of a variable outgoing voltage and a constant initial stage acceleration voltage can be fed from a single power source.
COPYRIGHT: (C)1980,JPO&Japio
JP13392678A 1978-10-31 1978-10-31 field emission electron gun Expired JPS5856953B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13392678A JPS5856953B2 (en) 1978-10-31 1978-10-31 field emission electron gun

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13392678A JPS5856953B2 (en) 1978-10-31 1978-10-31 field emission electron gun

Publications (2)

Publication Number Publication Date
JPS5560244A true JPS5560244A (en) 1980-05-07
JPS5856953B2 JPS5856953B2 (en) 1983-12-17

Family

ID=15116306

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13392678A Expired JPS5856953B2 (en) 1978-10-31 1978-10-31 field emission electron gun

Country Status (1)

Country Link
JP (1) JPS5856953B2 (en)

Also Published As

Publication number Publication date
JPS5856953B2 (en) 1983-12-17

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