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This is a charge coupled device (CCD), an electronic two-dimensional light detector and imager. These devices consist of two dimensional arrays of large numbers of tiny silicon diodes. Those diodes convert light photons directly to electical signals which are then processed digitally to produce images. The surface of CCD's typically contain arrays of thousands of pixels per side, each of which measures in the micron range, for totals of over one million elements. Because of their enhanced sensitivity and ruggedness, CCD's have become the most popular means of space imaging applications.

This silver hued front-illuminated example was manufactured by Scientific Imaging Technologies Inc. and donated by them to NASM in 2000.

 Display Status

This object is not on display at the National Air and Space Museum. It is either on loan or in storage.
Object Details
Country of Origin United States of America Type INSTRUMENTS-Scientific Manufacturer Scientific Imaging Technologies, Inc.
 Dimensions 3-D: 4.4 × 0.3 × 4.4cm (1 3/4 × 1/8 × 1 3/4 in.)
 Materials Silicon chip in gold frame
 Inventory Number A20000698000 Credit Line Gift of Scientific Imaging Technologies Inc. Data Source National Air and Space Museum Restrictions & Rights Usage conditions apply
For more information, visit the Smithsonians Terms of Use.