Provided are a storage device, controller, and method for using host transfer rates to select a recording medium transfer rate for transferring data to a recording medium. With such configuration, the inert gas can be introduced to both sides, the front side and the rear side, of the substrate, and oxygen is prevented from being forced to come around to the surface of the substrate from the rear side thereof. Holes are formed along a side wall of the implant capsule at an open end of the capsule. The septum is formed in such a manner that it provides a sealing effect to close an opening in the container. By placing the user account in escrow, both parties can be assured that they can access the content items in the user account, and that the other party cannot access the content without their knowledge. A second laser distance measuring module is provided, which transmits a second visible measurement laser beam and is mechanically and data-technically coupled with the first laser distance measuring module.