The principle of microbolometer is introduced in this paper,as well as the simplified calculation and analysis.Schemes on the design of structure,material,capsulation,readout circuit are also given.

• 介绍了微测热辐射计的原理并对其作了简化的计算分析，给出了微测热辐射计的结构、材料、封装和读出电路等重要部分的一些设计方案。