Patent ID: 6846086
Filing Date: 2005-01-25
Classification: G02B,G03F

Abstract:
1. A compensation system, comprising: a mirror having a reflecting surface and an exterior rear surface which faces away from the reflecting surface and is opposite said reflecting surface, said rear surface having a plurality of holes therein; an array of temperature detecting parts, each part in the array of temperature detecting parts formed in one of said holes, to be close to but not on, said reflecting surface at a measuring area of said mirror and detecting a temperature at said area close to said reflecting surface; and an array of temperature adjusting parts, each part in the array of temperature adjusting parts being at a heating/cooling area close to a respective measuring area of one of said temperature detecting parts but adjacent to said exterior rear surface, and each part in said array of temperature adjusting parts operative to adjust a temperature of said heating/cooling area.