Graded bandgap xerographic plate

Details Graded bandgap xerographic plate Graded bandgap xerographic plate

1975-10-21

1978-05-09

Martin, Jr., Roland E.

Gas separation: apparatus

Magnetic separating means

252501, 338 15, G03G 5082

Patent

active

040884856

ABSTRACT:
A xerographic plate and photoreceptor having improved speed and image resolution capability comprising a charge generating photoconductor layer, a trapping layer and a profile layer interposed between the trapping and charge generating layers; a suitable profile layer being obtained for xerographic purposes by utilizing materials from the charge generating and trapping layers having different band gaps but applied so as to obtain a gradation or gradient rather than a sharp interface.

REFERENCES:
patent: 3350595 (1967-10-01), Kramer
patent: 3647427 (1972-03-01), Hanada et al.
patent: 3696262 (1972-10-01), Antypas
patent: 3708291 (1973-01-01), Kinoshita et al.
patent: 3795513 (1974-03-01), Ciuffini
patent: 3816787 (1974-06-01), Shimizu et al.
patent: 3861913 (1975-01-01), Chiou
patent: 3894870 (1975-07-01), Kinoshita et al.
patent: 3904408 (1975-09-01), Hanada et al.

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