Patent ID: 7933127
Filing Date: 2011-04-26
Classification: H01L,H05K,Y10T

Abstract:
1. A memory card comprising: a first circuit board; a first semiconductor chip mounted to a top face of the first circuit board such that a part of an under face of the first semiconductor chip confronts the first circuit board; a second circuit board on which an electrode protruding on a top face, and an electrode protruding on an under face of the first circuit board are bonded to each other by way of a solder; a second semiconductor chip mounted on the top face of the second circuit board such that at least a part of the second semiconductor chip confronts a part of another part other than the part of the under face of the first semiconductor chip; and a cover disposed over the top face of the second circuit board for covering the first semiconductor chip, the first circuit board, and the second semiconductor chip, wherein the first circuit board and the second circuit board are connected between the electrodes only, and are not contacting with each other in other parts.