Infrared bolometer e.g. sensor, for e.g. military field, has signal bridge placed between lower and upper substrates to transmit signal from resistor, whose ohmic value varies with infrared heat, of upper substrate to lower substrate

摘要

The bolometer has a lower substrate (110), and an upper substrate (120) with an absorbing layer and a resistor whose ohmic value varies with infrared heat absorbed by the layer. The substrates are separated by a predetermined distance and are connected by a spacer (210) to support the upper substrate. A signal bridge (200) is arranged between the substrates for transmitting a signal from the resistor to the lower substrate.