Interposer with electrical contact button and method

An interposer having one or more hollow electrical contact buttons disposed in a carrier. The interposer is formed by disposing sacrificial posts in vias of the carrier. The electrical contact buttons are formed on the sacrificial posts by a metallizing process in desired pattern using a mask. The s...

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Bibliographic Details
Main Authors Hougham, Gareth G, Fogel, Keith E, Rosner, Joanna, Lauro, Paul A, Goma, Sherif, Zinter, Jr, Joseph
Format Patent
LanguageEnglish
Published 19.01.2010
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Summary:An interposer having one or more hollow electrical contact buttons disposed in a carrier. The interposer is formed by disposing sacrificial posts in vias of the carrier. The electrical contact buttons are formed on the sacrificial posts by a metallizing process in desired pattern using a mask. The sacrificial posts are made of a material that thermally decomposes upon application of heat without altering the carrier or the electrical contact buttons.