Question

thickness of surface film is order of ​

Answer 1

Answer:

Film thickness can be measured using a variety of non-contact methods, e.g. lasers, X-rays, beta, gamma or infrared, to measure the overall film thickness and also to measure the layer thickness in multi-layer films. It is also possible to use mass measurement as an indicator of film thickness

Answer 2

Answer:

hey mate here is your answer....

It is generally used for the in situ determination and control of the film thickness and deposition rate in case of PVD methods .In commercially available designs ,film thickness in the range from 0.1nm-100um and deposition rates in the range from 0.01-100nm s-1 are permanently displayed

hope this answer helps you

please mark me as a brainlist