Contact imaging sensor head for computed radiography

US10876981B2 · kind B2 · utility

Assignee

• Leidos, Inc. · US

Inventors

• Rex David Richardson · Poway, US
• William L. Hicks · Escondido, US
• Mark Alan Peressini · San Diego, US

Key dates

• Filing date: Oct 29, 2019
• Grant date: Dec 29, 2020
• Expiry date: Oct 29, 2039

Classification

• Technology area (CPC G): Physics
• CPC primary: G01N2223/5015
• WIPO field: Measurement
• WIPO sector: Instruments

Abstract

A scan head design uses 1:1 (one-to-one) imaging micro-lens arrays to transfer the object plane X-ray image from a CR-plate onto a linear photosensor. The scan-head includes a housing having therein, an array of red light emitting diodes (LEDs), a red-absorbing filter, a microlens array, an infrared-filter, and a sensor. The housing faces the CR-plate and the scan-head is translated across the CR-plate to read out the X-ray image therein. The scan head is compact and provides for improved spatial resolution and reduced power requirements.