Image Number 7 for United States Patent #7608787.
A USB terminal having a conductor layer to be an input/output terminal of a USB connector is formed on a first principle surface of a circuit board. A memory element is mounted on a second principle surface at an opposite side of a terminal forming surface of the circuit board, and the memory element is sealed with a sealing resin. A semiconductor memory device as a USB memory main body is constituted by them. A USB memory is constituted by housing the USB memory main body inside of a USB connector case.