Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
1989-07-31
1991-05-14
Nielsen, Earl
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
523466, 525481, 525482, 525485, 525506, 528 92, 528102, 357 72, C08G 5968, C08G 810, C08F 400, C08F 406
Patent
active
050156756
ABSTRACT:
A heat curable composition is provided which is useful for encapsulating microelectronic devices using a heat curable epoxy composition having a diaryliodonium hexafluoroantimonate salt as a catalyst in combination with an effective amount of a free radical generating aromatic compound as a cocatalyst.
REFERENCES:
patent: 4173551 (1979-11-01), Crivello
patent: 4845159 (1989-07-01), Chao
Crivello James V.
Lupinski John H.
Walles Erik W.
Davis Jr. James C.
General Electric Company
Krass Frederick
Nielsen Earl
Pittman William H.
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