Accession Number : AD0640177

Title :   RUBIES FOR REFERENCE TEMPERATURE STANDARDS.

Descriptive Note : Final rept., 7 Apr 65-6 Apr 66,

Corporate Author : LEXINGTON LABS INC CAMBRIDGE MASS

Personal Author(s) : Schaffer,Philip S.

Report Date : SEP 1966

Pagination or Media Count : 53

Abstract : The vapor-phase growth technique was further developed for the growth of sapphire and ruby single crystals. Impurity content below 3 ppm was attained. Electron-microprobe technique was improved and used to demonstrate chromium doping uniformity of plus or minus 5ppm. (Author)

Descriptors :   (*CRYSTAL GROWTH, SINGLE CRYSTALS), (*RUBY, CRYSTAL GROWTH), (*SAPPHIRE, CRYSTAL GROWTH), IMPURITIES, CHROMIUM, CORUNDUM, DOPING, CRYSTAL DEFECTS, TEMPERATURE, STANDARDS

Subject Categories : Test Facilities, Equipment and Methods
      Crystallography

Distribution Statement : APPROVED FOR PUBLIC RELEASE