The optical line width of DDR reflective glass plate and rotating grating used in non-standard processing is 0.02 and 0.04mm

Our code plate has high flatness, high hardness, long life, not easy to deformation, tolerance controllable in plus or minus 1.5 micron, pulse 10-300000p /R.Material: optical K9, float, super white;High precision, stable quality, smooth products without burr, you can save money!