A micro-camera which is the size of a large grain of salt
has been developed by The Fraunhofer Institute for Reliability and Micro
integration (IZM) in Berlin, Germany for use in disposable endoscopes.
By reworking the electrical wiring to the individual parts of the sensor to go through the back of the wafer rather than the side researchers minimized the image sensor's size. Usually the location of the sensor is at the base of the endoscope. The sensor's size has been reduced to such an amount that it can be mounted on the endoscope's tip.
The resolution of the camera is 25,000 pixels and measures 0.7x0.7x1.0 mm. The micro-camera is expected to be manufactured by 2012 only for few euros.