Patent ID: 8845835
Filing Date: 2014-09-30
Classification: H01L

Abstract:
1. A carrier structure, comprising: a substrate, having a plurality of adhesive regions; an adhesive layer, disposed on the adhesive regions, wherein a thermal expansion coefficient of one of the adhesive regions corresponding to the adhesive layer is greater than that of another of the adhesive regions, and the adhesive layer comprises: a thermosetting adhesive material; and a thermal expansion material, doped in the thermosetting adhesive material, and distributed to all of the adhesive regions, wherein a doping concentration of the thermal expansion material at one of the adhesive regions is greater than that of the thermal expansion material at another of the adhesive regions, and a thermal expansion coefficient of the thermal expansion material is greater than that of the thermosetting adhesive material; and a circuit board, disposed on the adhesive layer.