International Business Machines Corporation

Raymond C Tompkins

Timothy Leroy Wells

Andrew Michael Seman

Michael James Cummings

Michael Vito Longo

Robert J Lerner

A wiring board for mounting an electrical device, which has an array of connectors thereon arranged in a grid pattern, wherein the connectors have at least two levels of criticality of connection to the substrate. The substrate has a plurality of mounting structure or features arranged in the same grid pattern to connect with the array of connectors on the electrical device. The mounting structures or features are divided into a plurality of at least two groups, with each group corresponding to a level of criticality of the connectors on the device. Each group of mounting structures has a discernible feature differing from each other group, to thereby permit different levels of inspection criteria for each group. The invention also contemplates a method of forming a substrate having the features for connecting the connectors on the device that have different levels of criticality

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Vestal, NY, United States of America

Raymond C Tompkins