Apparatus and methods for contact-printing using electrostatic nanoporous stamps
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United States of America Patent
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Jul 26, 2022
Grant Date -
Nov 5, 2020
app pub date -
Jan 5, 2018
filing date -
Jan 5, 2018
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Abstract
Methods and apparatus for contacting printing via electrostatic force. In one example, an apparatus for contact printing using an ink includes a substrate, a conductive layer disposed on the substrate, and a group of microstructures disposed on the conductive layer. Each microstructure includes a group of conductive porous medium extending from the conductive layer. The apparatus also includes a dielectric layer conformally disposed on the microstructures and configured to electrically insulate the microstructures from the ink during use. The conductive layer is configured to apply a voltage on the group of microstructures to facilitate the loading and dispensing of ink.
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