Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1995-07-18
1997-07-01
Marquis, Melvyn I.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
525481, 525485, 525523, 525534, 525935, 528 93, 528 96, 523440, 428361, 428413, 4284744, 428901, C08F28304, C08L 6300
Patent
active
056440030
ABSTRACT:
An epoxy resin composition which comprises: (a) an epoxy resin having at least two epoxy groups in the molecule, (b) an epoxy resin curing agent, (c) a cure accelerator, (d) an aromatic polyamide pulp and (e) an inorganic filler as the essential components, the aromatic polyamide pulp (d) being contained in an amount of 0.5 to 10% by weight based on the total weight of the component (a), the component (b) and the component (d), and the inorganic filler (e) being contained in an amount of 75 to 94% by weight based on the total weight of the component (a), the component (b), the component (c) and the component (e), and a semiconductor device sealed with the above epoxy resin composition. The cured product of the epoxy resin composition is good in balance of hot impact strength and hot flexural strength and hence, the semiconductor device sealed with the epoxy resin composition is excellent in soldering resistance.
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Arai Noriyuki
Nakamura Hiroshi
Saito Noriaki
Shiomi Yutaka
Gulakowski R.
Marquis Melvyn I.
Sumitomo Chemical Company Ltd.
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