Wave transmission lines and networks – Long line elements and components – Strip type
Patent
1982-09-24
1985-07-09
LaRoche, Eugene R.
Wave transmission lines and networks
Long line elements and components
Strip type
333 99S, 333260, 339 17LM, 339 17M, 361413, H01P 500
Patent
active
045285306
ABSTRACT:
The low temperature electronic package is a right angle connection utilizing an interposer rod between horizontal and vertical substrates. The interposer rod of insulating crystalline substrate material, has a superconducting metal ground plane on its surface, which ground plane is covered by an insulating film. Over the insulating film, the interposer has a number of arcuate conductors to which respective conductors of both the horizontal and vertical substrates are connected at controlled collapse pads for good electrical and mechanical connection. All circuits are effectively transmission lines because the underlying ground plane is continuous.
The interposer rod provides a robust, low inductance connector mechanism with a strain minimizing configuration, which permits both horizontal and vertical substrates to interconnect with great connection versatility. It provides for convenient removal and has great resistance to failure related to repeated temperature cycling. The interposer provides space for an array of connectors which permits the right angle connections to be closely spaced, at lithographic tolerances.
Connections between circuits on the vertical substrate and circuits on the horizontal substrate are made by connecting first to a circuit on the interposer and then to the circuit on the other substrate. The equivalent circuit model is transmission line, small inductance at the first controlled collapse connection, transmission line on the interposer, small inductance at the second controlled collapse connection, transmission line.
REFERENCES:
patent: 2832942 (1958-04-01), French
patent: 3164750 (1965-01-01), Miller
patent: 3425021 (1969-01-01), Fow et al.
patent: 3529213 (1970-09-01), Farrand et al.
patent: 3769614 (1973-10-01), Bernstein
patent: 3795884 (1974-03-01), Kotaka
patent: 3858958 (1975-01-01), Davies
patent: 3924915 (1975-12-01), Conrad
patent: 3949274 (1976-04-01), Anacker
patent: 3951493 (1976-04-01), Kozel et al.
patent: 3985413 (1976-10-01), Evans
patent: 4012117 (1977-03-01), Lazzery
International Business Machines - Corporation
Kling Carl C.
LaRoche Eugene R.
Lee Benny T.
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