Large Plate CdTe Synthesis by Sealed Vessel Transport

Abstract

A crucial problem in the volume production of U.S. Government FLIR (forward loading infrared systems) systems is the availability of mercury- cadmium-telluride (HgCdTe) detector arrays. Certainly fabrication of the arrays is difficult but the major problem is the availability of high quality detector material. The production of bulk HgCdTe layers epitaxially on a high quality cadimum telluride (CdTe) substrate. However, the availability of high quality Cd Te is also limited. Part of the reason for the shortage is that the conventional method for preparing CdTe crystals is to slowly (0.1 in/hour) zone refine small diameter (1 in) crystals using the Stockbarger technique. The purpose of this program will be to develop an alternative approach.

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Document Details

Document Type
Technical Report
Publication Date
May 01, 1982
Accession Number
ADA116691

Entities

People

  • A. R. Hilton

Tags

Communities of Interest

  • Advanced Electronics
  • Ground and Sea Platforms

DTIC Thesaurus Topics

  • Amorphous Materials
  • Boiling Point
  • Coatings
  • Crystals
  • Detectors
  • Glass
  • Heat Energy
  • High Temperature
  • Low Temperature
  • Materials
  • Measurement
  • Melting Point
  • Optical Materials
  • Phase Diagrams
  • Physical Vapor Deposition
  • Thermodynamic Properties
  • Vapor Pressure

Readers

  • Semiconductor Device Technology
  • Systems Analysis and Design