Miniature x-ray source

Patent · Sat Jan 01 04:00:00 EST 2000

OSTI ID:873324

Trebes, James E ^[1]; Bell, Perry M ^[2]; Robinson, Ronald B ^[3]

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1. Livermore, CA
2. Tracy, CA
3. Modesto, CA

A miniature x-ray source utilizing a hot filament cathode. The source has a millimeter scale size and is capable of producing broad spectrum x-ray emission over a wide range of x-ray energies. The miniature source consists of a compact vacuum tube assembly containing the hot filament cathode, an anode, a high voltage feedthru for delivering high voltage to the cathode, a getter for maintaining high vacuum, a connector for initial vacuum pump down and crimp-off, and a high voltage connection for attaching a compact high voltage cable to the high voltage feedthru. At least a portion of the vacuum tube wall is fabricated from highly x-ray transparent materials, such as sapphire, diamond, or boron nitride.

• Research Organization: Lawrence Livermore National Laboratory (LLNL), Livermore, CA
• DOE Contract Number: W-7405-ENG-48
• Assignee: Regents of University of California (Oakland, CA)
• Patent Number(s): US 6134300
• OSTI ID: 873324
• Country of Publication: United States
• Language: English

Related Subjects

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anode
assembly
assembly containing
attaching
boron
boron nitride
broad
broad spectrum
cable
capable
cathode
compact
compact vacuum
connection
connector
consists
containing
crimp-off
delivering
diamond
emission
energies
fabricated
feedthru
filament
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getter
highly
hot
hot filament
initial
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materials
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miniature
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nitride
parent material
portion
producing
pump
range
sapphire
scale
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source
source utilizing
spectrum
spectrum x-ray
transparent
transparent material
transparent materials
tube
tube assembly
tube wall
utilizing
vacuum
vacuum pump
vacuum tube
voltage
voltage cable
wall
wide
wide range
x-ray
x-ray emission
x-ray source