When the film thickness of A substance increases, and 220 nm will be 140,180 spectral lines Chong% R minimal increase in wavelength is 571,754 and 917 NM, respectively.
A substance when the film thickness was increased to 140 180 and 220 nm spectral line Cheong% R is the smallest wavelength of 917 nm and up to 571 754 respectively.
When the thickness of the film of A increased, and 140 180 220 nanometers to spectral line is%R minimal wavelength increases. A 571 754 917, and nm, respectively.