[go: up one dir, main page]

Alton et al., 1986 - Google Patents

A radial geometry cesium plasma source with improved mechanical features

Alton et al., 1986

View PDF
Document ID
7093848790793358017
Author
Alton G
Beckers R
Johnson J
Publication year
Publication venue
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment

External Links

Snippet

An improved version of the radial geometry cesium plasma negative ion source, described by Alton and Blazey, has been designed, evaluated and employed for use during routine operation of the Holifield Heavy Ion Research Facility (HHIRF) tandem accelerator. The …
Continue reading at www.osti.gov (PDF) (other versions)

Classifications

    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J27/00Ion beam tubes
    • H01J27/02Ion sources; Ion guns
    • H01J27/08Ion sources; Ion guns using arc discharge
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J37/00Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
    • H01J37/02Details
    • H01J37/04Arrangements of electrodes and associated parts for generating or controlling the discharge, e.g. electron-optical arrangement, ion-optical arrangement
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2237/00Discharge tubes exposing object to beam, e.g. for analysis treatment, etching, imaging
    • H01J2237/06Sources
    • H01J2237/08Ion sources
    • H01J2237/0802Field ionization sources
    • H01J2237/0807Gas field ion sources [GFIS]
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J37/00Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
    • H01J37/30Electron-beam or ion-beam tubes for localised treatment of objects
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J37/00Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
    • H01J37/32Gas-filled discharge tubes, e.g. for surface treatment of objects such as coating, plating, etching, sterilising or bringing about chemical reactions
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J35/00X-ray tubes
    • H01J35/02Details
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2237/00Discharge tubes exposing object to beam, e.g. for analysis treatment, etching, imaging
    • H01J2237/30Electron or ion beam tubes for processing objects
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J45/00Discharge tubes functioning as thermionic generators
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J41/00Discharge tubes for measuring pressure of introduced gas or for detecting presence of gas; Discharge tubes for evacuation by diffusion of ions
    • H01J41/02Discharge tubes for measuring pressure of introduced gas or for detecting presence of gas
    • H01J41/06Discharge tubes for measuring pressure of introduced gas or for detecting presence of gas with ionisation by means of cold cathodes

Similar Documents

Publication Publication Date Title
US4800281A (en) Compact penning-discharge plasma source
US4714860A (en) Ion beam generating apparatus
Heinicke et al. A universal ion source for tandem accelerators
JPS63276858A (en) Ion beam generator
US4298804A (en) Neutron generator having a target
Alton An axial geometry cesium sputter negative ion source with continuous tungsten surface ionizer
US4661710A (en) Negative ion source
JPS62235485A (en) ion source device
Caskey et al. A simple negative-ion sputter source
Heinicke et al. Penning ion source for MP accelerator
US4123686A (en) Ion generating source
Weinman et al. Negative hydrogen ion source
GB1101293A (en) High output duoplasmatron-type ion source
Alton et al. A radial geometry cesium plasma source with improved mechanical features
US3629588A (en) Neutron generator
Gill et al. A new FEBIAD-type ion source for use at the reactor-based ISOL facility TRISTAN
Ehlers Design and development of the ion source for the Berkeley 88-inch cyclotron
US4218633A (en) Hydrogen hollow cathode ion source
US2677771A (en) Ion source
US3452249A (en) Method and apparatus for containing a plasma produced by opposed electrodes
Rose et al. Modified He Ion Source Using Cs Vapor Charge Exchange
Dawton Negative Ion Sources for Various Elements
US2677060A (en) Ion source
Dagenhart et al. Modified calutron negative ion source operation and future plans
JPS5740845A (en) Ion beam generator