Transfer of liquid developed electrographic images
Abstract
Abstract A METHOD OF TRANSFERRING A LIQUID-DELOPED ELECTROSTATIC CHARGE IMAGE FROM A WET, HYDROPHOBIC IMAGE-BEARING SURFACE OF A CHARGE-IMAGE-BEARING MEMBER TO A HYDROPHILIC, SWELLABLE RECEIVING SURFACE CARRIED ON AN ELECTRICALLY INSULATING SUPPORT WHICH COMPRISED MOISTENING THE RECEIVING SURFACE PRIOR TO TRANSFER WITH A HYDROPHILIC LIQUID OF WATER-CONTAINING COMPOSITIONS OR ALCOHO-CONTAINING COMPOSITIONS, IN AN AMOUNT EFFECTIVE TO INCREASE THE ELECTRICAL CONDUCTIVITY OF SAID RECEIVING SURFACE TO A VALUE LESS T HAN ABOUT 106 OHM/SQ., ELECTRICALLY BIASING THE MOIST RECEIVING SURFACE UTILIZING AN APPLIED POTENTIAL GREATER THAN ABOUT 50 VOLTS TO A LEVEL SUFFICIENT TO E FFECT MIGRATION OF THE LIQUID-DEVELOPED IMAGED TO THE RECEIVING SURFACE DURING CONTACT OF THE RECEIVING SURFACE WITH T HE IMAGE-BEARING SURFACE, AND CONTACTING TOGETHER THE MOIST RECEIVING SURFACE AND THE IMAGE-BEARING SURFACE, SAID TRANSFER OCCURRING DURING CONTACT.
Inventors
- 👤 W York
- 👤 O Rodenberg
Bibliographic Details
Claims Analysis
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