Hermetic feedthrough using three-via transmission lines

Details Hermetic feedthrough using three-via transmission lines Hermetic feedthrough using three-via transmission lines

1997-10-27

1999-07-13

Pascal, Robert

Wave transmission lines and networks

Long lines

Strip type

333246, 174262, 174 524, 257698, 361752, 361796, H01P 308, H01L 2302, H05K 506

Patent

active

059232340

ABSTRACT:
A hermetically sealed housing (10) includes a dielectric end portion (118) which provides a transmission-line feedthrough between a printed-circuit such as HDI and exterior connections. A first transmission line (1) on the PC board (30) transitions to a 3-via transmission line (4), which transitions to a third coplanar, microstrip, or stripline transmission line (3). The third transmission line (3) transitions to a second 3-via transmission line (5), which ends at a coplanar transmission line (2) which is outside the housing.

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