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Process for Fabricating Reproducible Photoconductors

IP.com Disclosure Number: IPCOM000095975D
Original Publication Date: 1964-Nov-01
Included in the Prior Art Database: 2005-Mar-07
Document File: 1 page(s) / 11K

Publishing Venue

IBM

Related People

Berkenbilt, M: AUTHOR [+4]

Abstract

This is a process step in the fabrication of either single or multielement sintered layer Cd Se photoconductors. It produces devices of greatly enhanced reproducibility of current-voltage characteristics and greater light sensitivity than are obtained in an identical process in which this process step is not included. This step is employed in either post treatment of electroded photoconductors or as a final step simultaneously with the affixing of thermal setting electrodes.

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Process for Fabricating Reproducible Photoconductors

This is a process step in the fabrication of either single or multielement sintered layer Cd Se photoconductors. It produces devices of greatly enhanced reproducibility of current-voltage characteristics and greater light sensitivity than are obtained in an identical process in which this process step is not included. This step is employed in either post treatment of electroded photoconductors or as a final step simultaneously with the affixing of thermal setting electrodes.

The process step comprises subjecting photoconductor elements having silver paste attached electrodes to a temperature of 150 degrees - 190 degrees C in an H(2) atmosphere or an O(2)-H(2) gas mixture, containing 0. 5 to 7% O(2) by volume, at a flow rate of 0. 5 to 1. 5 cu ft/hr for 12 - 18 hours and then cooling.

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