JPS49112565A - - Google Patents

Info

Publication number
JPS49112565A
JPS49112565A JP48021287A JP2128773A JPS49112565A JP S49112565 A JPS49112565 A JP S49112565A JP 48021287 A JP48021287 A JP 48021287A JP 2128773 A JP2128773 A JP 2128773A JP S49112565 A JPS49112565 A JP S49112565A
Authority
JP
Japan
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
JP48021287A
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 filed Critical
Priority to JP48021287A priority Critical patent/JPS49112565A/ja
Priority to DE19732353872 priority patent/DE2353872A1/de
Priority to US410444A priority patent/US3925706A/en
Publication of JPS49112565A publication Critical patent/JPS49112565A/ja
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
    • H01J37/02—Details
    • H01J37/24—Circuit arrangements not adapted to a particular application of the tube and not otherwise provided for
    • H01J37/243—Beam current control or regulation circuits
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
    • H01J37/02—Details
    • H01J37/04—Arrangements of electrodes and associated parts for generating or controlling the discharge, e.g. electron-optical arrangement, ion-optical arrangement
    • H01J37/06—Electron sources; Electron guns
    • H01J37/073—Electron guns using field emission, photo emission, or secondary emission electron sources

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Electron Sources, Ion Sources (AREA)
JP48021287A 1973-02-23 1973-02-23 Pending JPS49112565A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP48021287A JPS49112565A (ja) 1973-02-23 1973-02-23
DE19732353872 DE2353872A1 (de) 1973-02-23 1973-10-26 Feldemissions-elektronenkanone
US410444A US3925706A (en) 1973-02-23 1973-10-29 Field emission electron gun device of the automatic control type

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP48021287A JPS49112565A (ja) 1973-02-23 1973-02-23

Publications (1)

Publication Number Publication Date
JPS49112565A true JPS49112565A (ja) 1974-10-26

Family

ID=12050904

Family Applications (1)

Application Number Title Priority Date Filing Date
JP48021287A Pending JPS49112565A (ja) 1973-02-23 1973-02-23

Country Status (3)

Country Link
US (1) US3925706A (ja)
JP (1) JPS49112565A (ja)
DE (1) DE2353872A1 (ja)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5025196A (en) * 1986-06-02 1991-06-18 Canon Kabushiki Kaisha Image forming device with beam current control
US4749911A (en) * 1987-03-30 1988-06-07 Rpc Industries Ion plasma electron gun with dose rate control via amplitude modulation of the plasma discharge
US4786844A (en) * 1987-03-30 1988-11-22 Rpc Industries Wire ion plasma gun
US8938333B2 (en) 2012-06-27 2015-01-20 Bose Corporation Active wheel damping
US9102209B2 (en) 2012-06-27 2015-08-11 Bose Corporation Anti-causal vehicle suspension

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE759247A (fr) * 1969-11-22 1971-05-21 Philips Nv Dispositif muni d'un tube electronique, et tube electronique destine a un tel dispositif
US3678333A (en) * 1970-06-15 1972-07-18 American Optical Corp Field emission electron gun utilizing means for protecting the field emission tip from high voltage discharges
US3760383A (en) * 1971-07-01 1973-09-18 Gen Electric Erration storage system with collimated electron beam for minimal spherical ab
US3786305A (en) * 1972-05-15 1974-01-15 Hitachi Ltd Field emission electron gun

Also Published As

Publication number Publication date
US3925706A (en) 1975-12-09
DE2353872A1 (de) 1974-08-29

Similar Documents

Publication Publication Date Title
AR201758A1 (ja)
AU476761B2 (ja)
AU465372B2 (ja)
AR201235Q (ja)
AR201231Q (ja)
AU474593B2 (ja)
AU474511B2 (ja)
AU474838B2 (ja)
AU465453B2 (ja)
AU465434B2 (ja)
AU471343B2 (ja)
AU450229B2 (ja)
AU476714B2 (ja)
AR201229Q (ja)
AU472848B2 (ja)
AU466283B2 (ja)
AU476696B2 (ja)
AR199451A1 (ja)
AU477823B2 (ja)
AR200885A1 (ja)
AR201432A1 (ja)
AU447540B2 (ja)
AU476873B1 (ja)
AR195311A1 (ja)
AR210729A1 (ja)