Inventor

ARIKI MASAYUKI

JP3 patents

Patents

3 patents

US4810894AMar 7, 1989

Method and apparatus for measuring film thickness using a second sheet of known thickness

MITSUBISHI ELECTRIC CORP10 citations70

US4748331AMay 31, 1988

Film thickness measuring device with signal averaging to compensate for roller eccentricity

MITSUBISHI ELECTRIC CORP12 citations70

US4991969AFeb 12, 1991

Method for measuring film thickness

MITSUBISHI ELECTRIC CORP2 citations59