| abstract |
An external storage device includes an external storage device main includes a thin type external storage device module formed into a package sealed on one side from a storage element containing at least one non-volatile semiconductor memory device, and a flat type external connection terminal connected to an input/output terminal of the storage element and led and exposed to a backside of the module, and an external storage device unit that includes an external storage device main detachable section for engaging, insertedly attaching, and detaching the external storage device main, a resilient contact electrically connecting to the external connection terminal of the external storage device main, and at least a part of a circuit for driving and controlling the storage element. |