Fiber Optic Oil Film Sensors
magneto-optic thin film
Magneto-Optic Thin Film Current Sensor
Nonlinear optic NLO film
automatic film processor for scanner film
film punched seeding and film mulching
heterogeneous film curl film
solid film-liquid film-substrate structure
fiber optic photo sensors， fiber optic photo switches
integrated-optic acousto-optic tunable filter
optic cup and optic vesicle
All-film double-furrow sowing technology