X-ray coating weight controller and sensor
US5014288A · kind A · utility
10Cited by
9References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 20, 1989 |
| Grant date | May 7, 1991 |
| Priority date | — |
| Expiry date | Apr 20, 2009 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N23/083
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An x-ray sensor for determining the amount and composition of a multi-component material is disclosed. The sensor is particularly useful for determining the amount and chemical composition of a coating spread on a continuously moving paper sheet or filler material mixed into such a sheet.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.