A camera system primarily for infrared radiation having a focal plane array of microbolometer elements in a vacuum package with inexpensive thermoelectric temperature stabilization is shown. The stabilization temperature may be selected by a designer or a user over a wide range of temperatures, but room...http://www.google.com/patents/US5420419?utm_source=gb-gplus-sharePatent US5420419 - Camera for producing video output signal, infrared focal plane array package for such camera, and method and apparatus for generating video signals from passive focal plane array of elements on a semiconductor substrate