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

Patent ·
OSTI ID:872152
 [1];  [2];  [3];  [4];  [5];  [6]
  1. Opelika, AL
  2. Portland, OR
  3. McMinnville, OR
  4. Thousand Oaks, CA
  5. Saugus, CA
  6. Los Alamos, NM
+ Show Author Affiliations

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.

Research Organization:
Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
DOE Contract Number:
W-7405-ENG-36
Assignee:
Oregon Graduate Institute of Science & Technology (Portland, OR)
Patent Number(s):
US 5871848
OSTI ID:
872152
Country of Publication:
United States
Language:
English

References (6)

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

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Related Subjects

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/