Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1998-08-12
2000-05-02
Sellers, Robert E.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
523427, 523428, 523434, 525113, 525524, C08K 308, C08L 6300, C08I 7900
Patent
active
06057402&
ABSTRACT:
Compositions having high moisture resistance and flexibility comprise an organic component and a filler. The organic component comprises a long-chain cycloaliphatic epoxy resin, a short-chain cycloaliphatic epoxy resin, a cyanate ester, and a Lewis acid catalyst. Preferably the organic component further comprises a Bronsted acid co-catalyst and/or a flexibilizing modifier. The compositions are useful in various semiconductor applications, including as die attach adhesives, underfills, encapsulants, via fills, prepreg binders, polymer solder masks and polymer bumps on flip chip or BGA assemblies.
REFERENCES:
patent: 5250848 (1993-10-01), Christie et al.
patent: 5350815 (1994-09-01), Markovitz et al.
patent: 5571593 (1996-11-01), Arndt et al.
patent: 5863970 (1999-01-01), Ghoshal et al.
Chemical abstracts registry No. 25085-98-7 for UVACURE 1500, 1967.
Chemical abstracts registry No. 106-86-5 for 4-vinylcyclohexene oxide, 1967.
UVACURE products sheet for UVACURE 1500, 1999.
Grieve Alan
Iwamoto Nancy E.
Li Shao Wei
Wevick Henry
Zhou Xiao-Qi
Johnson Matthey Inc.
Sellers Robert E.
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