According to the invention, a multilayered image sensor is back mounted to a plate, and the plate in turn, is installed in a holding pocket of a device. In that the scheme takes advantage of a high controllability of a mounting plate's thickness, the mounting scheme provides a tight control of holding...http://www.google.co.uk/patents/US6550679?utm_source=gb-gplus-sharePatent US6550679 - Image sensor mounting system