H - Electricity – 01 – L
Patent
H - Electricity
01
L
H01L 23/32 (2006.01) H01L 23/12 (2006.01) H01L 23/34 (2006.01) H01L 23/473 (2006.01) H01L 23/50 (2006.01) H05K 7/10 (2006.01) H05K 7/20 (2006.01)
Patent
CA 2044747
-8- ABSTRACT OF THE DISCLOSURE In an electronic circuit module, an array of male connectors (41, 46) are arranged on a ceramic substrate (40) to establish contact with external female connectors (20) and an array of LSI packages (5) is provided. Conductive layers (43) of power distribution pattern are embedded in the substrate and are coupled to the male connectors (41). Each LSI package includes a conductive housing (52), an LSI chip (50) secured thereto in a thermally conductive relationship and a base plate (51) which establishes source/ground current conduction paths between the chip and the housing and drain/source current conduction paths between the chip and appropriate layers of the ceramic substrate. An array of conductive springs (68) are supported by a lattice structure (60, 64) to establish a pressure contact with the housings of successive LSI packages to allow power currents to be supplied from an external source voltage terminal to all LSI packages. An array of cooling surfaces (73) are in thermal contact with the respective package housings through the apertures (62) of the lattice structure.
Corporation Nec
Smart & Biggar
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