Method for connecting an electrical device to a circuit substrate
1. Field of the Invention A method of making a circuitized substrate for use in an electronic package wherein the substrate, e.g., ceramic, includes more than one conductive layer, e.g., copper, thereon separated by a suitable dielectric material, e.g., polyimide. Each layer includes its own conduct...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | 1. Field of the Invention
A method of making a circuitized substrate for use in an electronic package wherein the substrate, e.g., ceramic, includes more than one conductive layer, e.g., copper, thereon separated by a suitable dielectric material, e.g., polyimide. Each layer includes its own conductive location(s) which are designed for being directly electrically connected, e.g. using solder, to respective contact sites on a semiconductor chip to form part of the final package. Significantly, the resulting package does not include interconnections between the conductive layers at the desired contact locations; these locations, as mentioned, instead being directly connected to the chip. |
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