Dual-energy ray scanning system, scanning method and inspecting system
US10285252B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 28, 2016 |
| Grant date | May 7, 2019 |
| Priority date | — |
| Expiry date | May 27, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2223/423
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Provided is a dual-energy ray scanning system, which includes a ray source for alternately emitting a high energy ray and a low energy ray; a filter includes a low energy filtering element and a low energy transmitting element; a control device for synchronously controlling the ray source and the filter, and the low energy filtering element includes a plurality of filter sheets, the low energy transmitting element comprises a plurality of transmission sheets, the filter sheets and the transmission sheets are arranged alternately and surround the ray source to form a cavity, and the ray source is located on a central axis of the cavity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.