Radio frequency coaxial feedthrough

Patent · Tue Jan 17 04:00:00 EST 1989

OSTI ID:866822

Owens, Thomas L ^[1]

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1. Kingston, TN

An improved radio frequency coaxial transmission line vacuum feed-through provided based on the use of a half-wavelength annular dielectric pressure barrier disk, or multiple disks comprising an effective half wavelength structure to eliminate reflections from the barrier surfaces. Gas-tight seals are formed about the outer and inner diameter surfaces of the barrier disk using a sealing technique which generates radial forces sufficient to form seals by forcing the conductor walls against the surfaces of the barrier disks in a manner which does not deform the radii of the inner and outer conductors, thereby preventing enhancement of the electric field at the barrier faces which limits voltage and power handling capabilities of a feedthrough.

• Assignee: United States of America as represented by Department of Energy (Washington, DC)
• Patent Number(s): US 4799036
• Application Number: 07/129,209
• OSTI ID: 866822
• Country of Publication: United States
• Language: English

Related Subjects

/333/174/
annular
barrier
based
capabilities
coaxial
coaxial feed
coaxial feedthrough
coaxial transmission
comprising
conductor
conductors
deform
diameter
dielectric
disk
disks
effective
electric
electric field
eliminate
enhancement
feed-through
feedthrough
field
forces
forcing
form
formed
frequency
frequency coaxial
gas-tight
gas-tight seal
generates
half
half wavelength
half-wavelength
handling
improved
improved radio
inner
inner diameter
limits
line
line vacuum
manner
multiple
outer
outer conductor
power
pressure
pressure barrier
preventing
provided
provided based
radial
radii
radio
radio frequency
reflections
sealing
sealing technique
seals
structure
sufficient
surfaces
technique
tight seal
transmission
transmission line
vacuum
voltage
walls
wavelength