Methods and systems are described that enable protection of digital content, such as movies and the like, by making pirated copies traceable back to a unique decryption key that was utilized to decrypt the originally encrypted content. The device has an upper and a lower plate, the connecting mechanism being disposed in the lower plate. The different memory blocks of each die can be assigned a different memory density by the end user, depending on the desired memory performance andor memory density. In addition, the method may include determining relative or absolute locations of the measurement spots on the specimen. Respective terminations are also provided. The optical element may be a lens for a passive infrared detector assembly, for example.