Coaxial line assembly of a package for a high frequency element

Details Coaxial line assembly of a package for a high frequency element Coaxial line assembly of a package for a high frequency element

1994-12-08

1996-09-17

Kincaid, Kristine L.

Electricity: conductors and insulators

Insulators

Through wall or plate

H01B 1726

Patent

active

055570747

ABSTRACT:
A coaxial line assembly in a package which houses a high frequency element. The assembly includes a metal wall having a hole extending through the metal wall. The metal wall has a step at substantially an intermediate portion of the hole to define a smaller diameter, inner hole portion opened to the inside of the package and a larger diameter, outer hole portion opened to the outside of the package. A lead for transmitting a high frequency signal passes through the hole and is hermetically sealed in the outer hole portion by glass filled in the outer hole portion. A sealing plate closes an opening of the inner hole portion at the step, the lead extending through the sealing plate. The sealing plate is made of a dielectric material having a dielectric constant near to that of the glass and a melting point higher than that of the glass.

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Patent Abstracts of Japan, vol. 15, No. 417 (E-1125) Oct. 23, 1991 & JP-A-3 172009 (NEC Kansai Ltd) Jul. 25, 1991.

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