Accurate automatic exposure controller for mammography: design and performance.

E E Frederick; M R Squillante; L J Cirignano; R W Hahn; G Entine

doi:10.1148/radiology.178.2.1987599

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PubMed · 1987599

Accurate automatic exposure controller for mammography: design and performance.

E E Frederick·M R Squillante·L J Cirignano·R W Hahn·G Entine

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Abstract

An automatic exposure controller has been designed that controls the optical film density for film, screen, and radiographic techniques typically used in mammography to within 0.05 over a range of 1.3-6.7-cm thickness of Lucite. This degree of accuracy is better than that reported for presently available controllers. The detector system consists of four cadmium telluride detectors and involves the use of a control algorithm to read the detectors and turn off the mammography unit at the correct time. This algorithm is implemented by a microprocessor, which also provides the means for a convenient calibration.

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Female Humans Mammography Technology, Radiologic Journal Article Research Support, U.S. Gov't, P.H.S.

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E E Frederick, M R Squillante, L J Cirignano, R W Hahn, G Entine. 1991. Accurate automatic exposure controller for mammography: design and performance.. https://doi.org/10.1148/radiology.178.2.1987599

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