Terms for subject Technology containing perfectly diffusing surface

English	Japanese
light source of perfectly diffusing surface	完全拡散面光源 (かんぜんかくさんめんこうげん)
perfectly diffusing surface	完全拡散面 (kanzen-kakusanmen)
uniform brightness perfectly diffusing surface	等輝度完全拡散面 (とうきどかんぜんかくさんめん)