Invention Grant
US07438969B2 Filling material, multilayer wiring board, and process of producing multilayer wiring board 有权
填充材料,多层布线板以及多层布线板的制造工序

Filling material, multilayer wiring board, and process of producing multilayer wiring board
Abstract:
A solvent-free filling material comprising a filler, a thermosetting resin, a curing agent, and a curing catalyst, wherein the thermosetting resin is an epoxy resin, and the curing agent is a dicyandiamide curing agent; a multilayer printed wiring board comprising a substrate, a through-hole, the filling material filling the through-hole, and a conductor layer formed on an exposed surface of the filling material in the through-hole; and a process for producing the multilayer printed wiring board.
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