Enhanced-wetting, boron-based liquid-metal ion source and method

Bozack, Michael J; Swanson, Lynwood W; Bell, Anthony E; Clark, William M; Utlaut, Mark W; Storms, Edmund K

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Title: Enhanced-wetting, boron-based liquid-metal ion source and method

Abstract

A binary, boron-based alloy as a source for field-emission-type, ion-beam generating devices, wherein boron predominates in the alloy, preferably with a presence of about 60 atomic percent. The other constituent in the alloy is selected from the group of elements consisting of nickel, palladium and platinum. Predominance of boron in these alloys, during operation, promotes combining of boron with trace impurities of carbon in the alloys to form B.sub.4 C and thus to promote wetting of an associated carbon support substrate.

Inventors:

Bozack, Michael J ^[1]; Swanson, Lynwood W ^[2]; Bell, Anthony E ^[3]; Clark, Jr, William M ^[4]; Utlaut, Mark W ^[5]; Storms, Edmund K ^[6]

Opelika, AL
Portland, OR
McMinnville, OR
Thousand Oaks, CA
Saugus, CA
Los Alamos, NM

Issue Date:: Fri Jan 01 00:00:00 EST 1999

Research Org.:: Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)

OSTI Identifier:: 872152

Patent Number(s):: 5871848

Assignee:: Oregon Graduate Institute of Science & Technology (Portland, OR)

Patent Classifications (CPCs):: H - ELECTRICITY H01 - BASIC ELECTRIC ELEMENTS H01J - ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS

Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC Y10T - TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION

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H - ELECTRICITY H01 - BASIC ELECTRIC ELEMENTS H01J - ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
H01J27/22 - Metal ion sources

Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC Y10T - TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
Y10T428/30 - Self-sustaining carbon mass or layer with impregnant or other layer

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DOE Contract Number:: W-7405-ENG-36

Resource Type:: Patent

Country of Publication:: United States

Language:: English

Subject:: enhanced-wetting; boron-based; liquid-metal; source; method; binary; alloy; field-emission-type; ion-beam; generating; devices; boron; predominates; preferably; presence; 60; atomic; percent; constituent; selected; elements; consisting; nickel; palladium; platinum; predominance; alloys; operation; promotes; combining; trace; impurities; carbon; form; promote; wetting; associated; support; substrate; beam generating; support substrate; atomic percent; trace impurities; based alloy; carbon support; generating device; generating devices; /428/313/315/427/

Citation Formats


                    Bozack, Michael J, Swanson, Lynwood W, Bell, Anthony E, Clark, Jr, William M, Utlaut, Mark W, and Storms, Edmund K. Enhanced-wetting, boron-based liquid-metal ion source and method.  United States: N. p., 1999. 
        Web.

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                    Bozack, Michael J, Swanson, Lynwood W, Bell, Anthony E, Clark, Jr, William M, Utlaut, Mark W, & Storms, Edmund K. Enhanced-wetting, boron-based liquid-metal ion source and method.  United States.

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                    Bozack, Michael J, Swanson, Lynwood W, Bell, Anthony E, Clark, Jr, William M, Utlaut, Mark W, and Storms, Edmund K. Fri .  
        "Enhanced-wetting, boron-based liquid-metal ion source and method".  United States.  https://www.osti.gov/servlets/purl/872152.

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@article{osti_872152,

  title        = {Enhanced-wetting, boron-based liquid-metal ion source and method},

  author       = {Bozack, Michael J and Swanson, Lynwood W and Bell, Anthony E and Clark, Jr, William M and Utlaut, Mark W and Storms, Edmund K},

  abstractNote = {A binary, boron-based alloy as a source for field-emission-type, ion-beam generating devices, wherein boron predominates in the alloy, preferably with a presence of about 60 atomic percent. The other constituent in the alloy is selected from the group of elements consisting of nickel, palladium and platinum. Predominance of boron in these alloys, during operation, promotes combining of boron with trace impurities of carbon in the alloys to form B.sub.4 C and thus to promote wetting of an associated carbon support substrate.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {Fri Jan 01 00:00:00 EST 1999},

  month        = {Fri Jan 01 00:00:00 EST 1999}

}

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Works referenced in this record:

Constitution of Binary Alloys
journal, January 1958

Hansen, Max; Anderko, Kurt; Salzberg, H. W.
Journal of The Electrochemical Society, Vol. 105, Issue 12
https://doi.org/10.1149/1.2428700

Wettability of transition metal boride eutectic alloys to graphite
journal, July 1987

Bozack, M. J.; Swanson, L. W.; Bell, A. E.
Journal of Materials Science, Vol. 22, Issue 7
https://doi.org/10.1007/BF01082126

Borides and Silicides of the Platinum Metals
journal, March 1951

Buddery, J. H.; Welch, A. J. E.
Nature, Vol. 167, Issue 4244
https://doi.org/10.1038/167362a0

Carbon Needle Emitter for Boron and Aluminum Ion Liquid-Metal-Ion Sources
journal, May 1982

Ishitani, Tohru; Shimase, Akira; Tamura, Hifumi
Japanese Journal of Applied Physics, Vol. 21, Issue Part 2, No. 5
https://doi.org/10.1143/JJAP.21.L277

Materials Considerations in Liquid Metal ion Source Development
journal, March 1986

Bozack, M. J.; Swanson, L. W.; Bell, A. E.
Le Journal de Physique Colloques, Vol. 47, Issue C2
https://doi.org/10.1051/jphyscol:1986214

Mesure de la photoconduction stationnaire dans le sélénium liquide
journal, January 1982

Rabit, J.; Perron, J. C.
Revue de Physique Appliquée, Vol. 17, Issue 5
https://doi.org/10.1051/rphysap:01982001705027700

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Title: Enhanced-wetting, boron-based liquid-metal ion source and method

Abstract

Citation Formats

Constitution of Binary Alloys journal, January 1958

Wettability of transition metal boride eutectic alloys to graphite journal, July 1987

Borides and Silicides of the Platinum Metals journal, March 1951

Carbon Needle Emitter for Boron and Aluminum Ion Liquid-Metal-Ion Sources journal, May 1982

Materials Considerations in Liquid Metal ion Source Development journal, March 1986

Mesure de la photoconduction stationnaire dans le sélénium liquide journal, January 1982

Constitution of Binary Alloys
journal, January 1958

Wettability of transition metal boride eutectic alloys to graphite
journal, July 1987

Borides and Silicides of the Platinum Metals
journal, March 1951

Carbon Needle Emitter for Boron and Aluminum Ion Liquid-Metal-Ion Sources
journal, May 1982

Materials Considerations in Liquid Metal ion Source Development
journal, March 1986

Mesure de la photoconduction stationnaire dans le sélénium liquide
journal, January 1982