The present invention provides a septal defect closure device having a first occluding disk having a first flexible membrane attached to a first frame and a second occluding disk having a second flexible membrane attached to a separate second frame. The stainless steel component can be a baseplate, load beam, hinge, motor plate, add-on feature or flexure. Blank tapes in the secondary cache are prepared for storing the user data and the log data, based on priorities.