| 摘要 |
An comprises an external storage device and an external storage device unit, wherein an external storage device main includes, a thin type external storage device module formed into a one-side sealed package from a storage medium series 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 medium series element and led and exposed to a backside of the external storage device module, and an external storage device unit includes, an external storage device main detachable section for engaging, insertedly attaching and detaching the external storage device main, an resilient contact electrically connecting to the external connection terminal of the external storage device main to be mounted, and at least a part of circuit function for driving and controlling the storage medium series element.
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