Patent ID: 6784554
Filing Date: 2004-08-31
Classification: H01L,H05K

Abstract:
A semiconductor device comprising;a multi-layered wiring substrate at least partially made of an organic material; a semiconductor chip formed with an electronic circuit; and an organic resin for filling a portion between the semiconductor chip and the multi-layered wiring substrate; wherein at least a portion of a constituent member on the multi-layered wiring substrate below a chip connection terminal comprises an organic material having a glass transition temperature of 150Â° C. or lower, a minimum pitch of the chip connection terminals is 100 &mgr;m or less, a surface metal for the chip connection terminal comprises an Ni-P/Au or Ni-P/Pd/Au plating layer, the total thickness of a noble metal portion of Au or Pd/Au is 0.005 to 0.3 &mgr;m, an Au bump is formed on an electrode terminal of the semiconductor chip, and the Au connection terminal on the substrate is connected to the Au bump of the semiconductor chip by metal bonding.