Insulating material and a circuit substrate in use thereof

Details Insulating material and a circuit substrate in use thereof Insulating material and a circuit substrate in use thereof

1993-04-20

1996-11-19

Bleutoe, John C.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

523457, 428416, 428901, 525523, 528 93, 528480, 528481, 528501, 549541, 549542, C08L 6300

Patent

active

055763626

ABSTRACT:
An insulating material characterized by that said insulating material is made by curing a mixture composed of a bisphenol A type epoxy resin having purity which is equal to or more than 90% and an organic filler, the thermal conductivity thereof is in a range of 5.0.times.10.sup.-3 to 18.0.times.10.sup.-3 (cal/.degree.C..multidot.cm.multidot.sec) and the glass transition temperature thereof is in a range of 164.degree. to 240.degree. C.

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