Inspecting device for a thin film coating material with applicat

Details Inspecting device for a thin film coating material with applicat Inspecting device for a thin film coating material with applicat

1986-04-08

1987-11-17

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

356444, G01N 2188

Patent

active

047076135

ABSTRACT:
An inspecting device for inspecting a thin film coating material applied to a material being treated such as glass includes a projector and a photoreceptor disposed across the material being treated, a manipulator for enabling relative movement of these projector and photoreceptor along the coating material applied to the material being treated, and an electric circuit part for producing a control signal when output of the photoreceptor exceeds a specified value.

REFERENCES:
patent: 3614241 (1971-10-01), Sanford
patent: 3754146 (1973-08-01), Chow
patent: 3840302 (1974-10-01), Brunton et al.
patent: 4274747 (1981-06-01), Van Beeck et al.

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