Patent ID: 6888259
Filing Date: 2005-05-03
Classification: H01L,H05K

Abstract:
1. A hybrid IC comprising: a ceramic circuit board; a wiring layer located on a surface of the circuit board, wherein the wiring layer includes an electrically connected portion; a microchip located on the surface; an electrically connecting member that connects the microchip and the electrically connected portion of the wiring layer; a potting material that covers, the microchip, the connecting member, and the connected portion; and a protective layer that covers the wiring layer except for the connected portion, wherein the protective layer includes an overlapping portion that overlaps the potting material and wherein the surface of the overlapping portion has been roughened to improve the adhesion between the protective layer and the potting material, wherein the protective layer includes insulating particles to roughen the surface of the overlapping portion, and the insulating particles in the protective layer have a weight percentage that is equal to or lower than 20 wt %.