Novel High Resolution, Lowdose Flat Panel Mammography Detector Technology
Abstract
This annual report covers the period from June 1997 through September 1998. The Field Emission X-ray Sensor (FEXIS) is a novel flat panel combination of the X-ray photoconductor thallium bromide and a field emitter array readout. The objective of this program was to develop and implement proof-of-concept FEXIS design of a mammography sensor. The second objective was to investigate structure modifications that would lead to a viable production mammography sensor. The FEXIS concept was analyzed in detail and a prototype design was developed. A prototype FEXIS was built, but tests were incomplete. The field emitter panel supplier, FED, Inc., was unable to panels on time so the experimental program is behind schedule. The analytical program was carried out to the extent possible in the absence of experimental results. The results so far indicate that the FEXIS mammography sensor is feasible, but that the enabling field emitter array technology is not yet well enough advanced to be applicable. However, small proof-of-concept FEXIS devices meeting the program objectives can be made and tested. Due to continued array delivery problems, an alternative flat panel imaging concept that will allow all of the program objectives to be met may be proposed.
Document Details
- Document Type
- Technical Report
- Publication Date
- Oct 01, 1998
- Accession Number
- ADA368397
Entities
People
- Richard S. Aikens