Inspecting device for a thin film coating material with applicator-following detector
US4707613A · kind A · utility
1Cited by
4References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 8, 1986 |
| Grant date | Nov 17, 1987 |
| Priority date | — |
| Expiry date | Apr 8, 2006 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2021/8427
- WIPO fieldMeasurement
- WIPO sectorInstruments
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.