DUAL CURE B-STAGEABLE UNDERFILL FOR WAFER LEVEL

A silicon wafer has a B-stageable underfill material deposited on the active face of the wafer. The B-stageable underfill comprises a first composition with a lower curing temperature and a second composition with a higher curing temperature, characterized in that the first composition has been full...

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Hauptverfasser: LEHMANN, SUN-HEE, TONG, QUINN, K, MA, BODAN
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Sprache:eng ; fre ; ger
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creator LEHMANN, SUN-HEE
TONG, QUINN, K
MA, BODAN
description A silicon wafer has a B-stageable underfill material deposited on the active face of the wafer. The B-stageable underfill comprises a first composition with a lower curing temperature and a second composition with a higher curing temperature, characterized in that the first composition has been fully cured.
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subjects BASIC ELECTRIC ELEMENTS
CHEMISTRY
COMPOSITIONS BASED THEREON
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
SEMICONDUCTOR DEVICES
THEIR PREPARATION OR CHEMICAL WORKING-UP
title DUAL CURE B-STAGEABLE UNDERFILL FOR WAFER LEVEL
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