MULTI-LAYER ADHESIVE FILM FOR DIE STACKING

An adhesive film for die stacking at least two neighboring semiconductor dies containing metal wire bonds, comprises (a) Layer-1 adhesive, which comes in contact with the first semiconductor die and is capable of flowing around the metal wire bonds of that first semiconductor die at die attach tempe...

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creator JIN HWAIL
description An adhesive film for die stacking at least two neighboring semiconductor dies containing metal wire bonds, comprises (a) Layer-1 adhesive, which comes in contact with the first semiconductor die and is capable of flowing around the metal wire bonds of that first semiconductor die at die attach temperatures, and (b) Layer-2 adhesive, which comes in contact with the second semiconductor die, in which Layer-2 adhesive comprises 30-85 weight % thermoplastic rubber with a glass transition temperature of less than 25° C. and a weight average molecular weight of greater than 100,000.
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subjects ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE
ADHESIVES
CHEMISTRY
DYES
LAYERED PRODUCTS
LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
NATURAL RESINS
NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL
PAINTS
PERFORMING OPERATIONS
POLISHES
TRANSPORTING
USE OF MATERIALS AS ADHESIVES
title MULTI-LAYER ADHESIVE FILM FOR DIE STACKING
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