Accession Number : AD0811603

Title :   BROADBAND OPTICAL DETECTORS (1.06-MICRON).

Descriptive Note : Semiannual rept. no. 1, 1 Jul-31 Dec 66,

Corporate Author : TEXAS INSTRUMENTS INC DALLAS SEMICONDUCTOR-COMPONENTS DIV

Personal Author(s) : Shaunfield, W. N. ; Boone, D. W. ; Sherer, Jim

Report Date : APR 1967

Pagination or Media Count : 26

Abstract : Results obtained during the first half of a program to develop a 1.06-micrometer optical detector are discussed. The detector will contain a germanium avalanche photodiode, thermoelectric cooler, biasing circuit, and preamplifier. Work during this half was concentrated on fabrication of both N(+)P and P(+)N photodiodes with a graded guardring to prevent edge breakdown. Diffusion masking problems prevented successful fabrication of the P(+)N structure; however, good N(+)P diodes were fabricated. Diodes with avalanche gains greater than 100 were obtained. Yields were greater than 25%. The design of the photodiode-cooler subassembly is discussed. This package will allow the diode to be cooled below 0 C to reduce the bulk leakage current. (Author)

Descriptors :   *PHOTODIODES), (*INFRARED DETECTORS, (*AVALANCHE DIODES, PHOTODIODES), BROADBAND, GERMANIUM, PHOTOELECTRIC CELLS(SEMICONDUCTOR), MANUFACTURING, DIFFUSION, MASKING, THERMOELECTRICITY, COOLING, AMPLIFIERS, PACKAGING, HIGH FREQUENCY, LASERS.

Subject Categories : Infrared Detection and Detectors

Distribution Statement : APPROVED FOR PUBLIC RELEASE