The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 31, 1993
Filed:
Jul. 23, 1990
Gregory J Kovacs, Mississauga, CA;
Brian D Lesser, Willowdale, CA;
Xerox Corporation, Stamford, CT (US);
Abstract
Disclosed is a migration imaging member comprising a first conductive layer, a layer of softenable material containing migration marking material, and a conductive overlayer on the surface of the imaging member spaced from the first conductive layer. The imaging member also contains a charge transport material either in the layer of softenable material or in a separate layer situated between the first conductive layer and the conductive overlayer. In a specific embodiment, the conductive overlayer is coated on the surface of the imaging member in separate, distinct frames separated from each other by uncoated areas of the imaging member. Also disclosed are apparatuses and processes for preparing the above imaging members and apparatuses and processes for exposing and developing the above imaging members.