Electricity: conductors and insulators – Boxes and housings – Hermetic sealed envelope type
Patent
1990-05-14
1991-07-23
Picard, Leo P.
Electricity: conductors and insulators
Boxes and housings
Hermetic sealed envelope type
174 523, 357 74, H01L 2302, H05K 506
Patent
active
050345680
ABSTRACT:
A package for enclosing and mounting a multichip module in which separate mechanisms are provided for mechanically attaching the package to a circuit board and for electrically connecting the package to the circuit board to which it is attached. The package includes a ceramic base on which the multichip module is supported, a frame-like retaining ring which enables the attachment of the package to the circuit board and a lid for covering the top of the package and sealing it off from environmental influences. The package also includes a set of electrical leads extending from the interior to the exterior of the package for providing multiple separate connections between the multichip module and the circuit board on which it is mounted.
REFERENCES:
patent: 4355463 (1982-10-01), Burns
patent: 4688075 (1987-08-01), Phy
patent: 4744009 (1988-05-01), Grabbe et al.
Hamann H. Fredrick
Horn John J.
Ledynh Bot L.
Murrah M. Lee
Picard Leo P.
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