A flash-memory device has a printed-circuit board assembly (PCBA) with a PCB with a flash-memory chip and a controller chip. The controller chip includes an external Secure-Digital (SD) interface, and a processing unit to read blocks of data from the flash-memory chip. The PCBA is encased inside an upper...http://www.google.de/patents/US20080003882?utm_source=gb-gplus-sharePatent US20080003882 - Super-Digital (SD) Flash Card with Asymmetric Circuit Board and Mechanical Switch