photoresist optics exposure
光电导曝光

• pentoxide
• penumbra
• penumbra cone
• penumbra region
• perambulator
• percent
• percentage
• percentage error
• percentage of articulation
• percentage of modulation depth
• per cent weight
• perception
• perception of brightness
• percieved modulation
• percolation
• percussion
• perfect blackbody
• perfect comparator
• perfect crystal
• perfect detector
• perfect diffuser
• perfect lens
• perfect light source
• perfect optical system
• perfect radiator