Silicon-Based Multimaterial Technology
OFFICE OF THE UNDER SECRETARY OF DEFENSE (ACQUISITION) WASHINGTON DC
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Although bulk silicon continues to be the preponderant semiconductor material used in electronic devices and systems for both commercial and military applications, there are many applications for which it is inadequate. Among these are light emitting devices both coherent and incoherent, long wavelength detectors and arrays, high temperature applications, extremely high frequency digital and analog applications, and use in the most demanding radiation environments. To meet these needs, other materials must he used either alone or in combination with silicon. Although the use of other materials with silicon is usually easiest to implement in a hybrid configuration interconnecting separate devices, optimal performance, reliability, and costbenefit are usually achieved only in fully integrated configurations including silicon-based multimedia technology involving single or multiple epitaxial depositions. These heteroepitaxially integrated configurations typically require extensive processing and fabrication research and development RD efforts. Thus, military system needs must he considered a strong driver for integrated multimedia technology RD, to the extent that those needs can he met only in this way.
- Electrical and Electronic Equipment