New Photoconductive Material Suitable for an Image Converting Panel

Autor:	Nobumasa Ohshima, Yoshio Enoki
Rok vydání:	1979
Předmět:	Brightness Materials science business.industry Mechanical Engineering Photoconductivity Metals and Alloys Sintering Industrial and Manufacturing Engineering Threshold voltage Photosensitivity Activator (phosphor) Materials Chemistry Optoelectronics Particle size business
Zdroj:	Journal of the Japan Society of Powder and Powder Metallurgy. 26:153-157
ISSN:	1880-9014 0532-8799
DOI:	10.2497/jjspm.26.153
Popis:	A new photoconductive material suitable for an EL-PC type X-ray image converting panel was developed. The material was obtained by activating a mixture of CdSe, ZnS and ZnO with Cu as an activator and chlorine and bromine as co-activators. In this method, an addition of ZnS, which makes a solid-solution with CdSe, was effective to increase the threshold voltage of the material, that of ZnO, which suppresses excessive sintering at the firing step, was effective to decrease the particle size, and the optimum amounts of ZnS and ZnO were effective to improve the photosensitivity of the material. The X-ray image converting panel for which the material was applied had improved characteristics in brightness, contrast, threshold sensitivity and resolution.
Databáze:	OpenAIRE
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