Reticle calibrated diameter gauge

Rewritable display having a dielectric spacing layer

RF switch

Ring laser having elastic wave bias

Rotating support table and drive for an Echelle grating

Rotating-compensator ellipsometer

Rotational motion transducer

Sample point interferometric system for optical figure monitorin

Scaling apparatus with linearization compensation

Scanning color densitometer

Scanning monochromator and concave reflecting grating employed t

Scanning photoelectric autocollimator

Self-induced rotation ellipsometer

Semiconductor color detector

Semiconductor integrated circuit

Semiconductor radiation wavelength detector

Sensing head assembly for multi-color printing press on-line den

Simultaneous interferometric transmission of periodic spectral c

Single beam photometer for investigating a specimen

Solution monitoring procedure