Ball grid array package construction with raised solder ball pads

The present invention provides for a BGA solder ball interconnection to an outer conductive layer of a laminated circuit assembly having an underlying circuit layer. The invention includes a raised BGA solder ball pad substantially co-planar with the outer conductive layer, the raised pad having a r...

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1. Verfasser: HARVEY PAUL MARLAN
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creator HARVEY PAUL MARLAN
description The present invention provides for a BGA solder ball interconnection to an outer conductive layer of a laminated circuit assembly having an underlying circuit layer. The invention includes a raised BGA solder ball pad substantially co-planar with the outer conductive layer, the raised pad having a raised face and a plurality of vertical conductive walls and a BGA solder ball having an average diameter of greater than the width of the raised face, the BGA solder ball being adhered to the raised face and to a substantial portion of the vertical conductive walls.
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subjects BASIC ELECTRIC ELEMENTS
CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
PRINTED CIRCUITS
SEMICONDUCTOR DEVICES
title Ball grid array package construction with raised solder ball pads
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