Muncy, Geissler, Olds & Lowe, P.C.
Multi-layer printed circuit boards with dimensional stability
A multi-layer printed circuit board comprises: a core comprising a core insulation layer and traces formed on two sides of the core insulation layer; a plurality of insulation layers sequentially formed at two sides of the core; and a plurality of trace layers respectively formed between two insulation layers and on the outmost insulation layers; wherein the core insulation layer contains a resin material different from that of the insulation layers, such that the core insulation layer has a dimensional stability superior to that of the insulation layers.
ELITE MATERIAL CO., LTD.
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Li-Chih Ching-Hsin Ya-Wen
Yu Ho Kuo