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MAGNETIC PRINTER USING SUPERCONDUCTING INK

IP.com Disclosure Number: IPCOM000026230D
Original Publication Date: 1990-Dec-31
Included in the Prior Art Database: 2004-Apr-05
Document File: 2 page(s) / 118K

Publishing Venue

Xerox Disclosure Journal

Abstract

An electronic printer is described that puts dots of ink on paper using the magnetic properties of some superconducting materials. The property is that the superconductor will not tolerate a magnetic field. When subjected to a magnetic field, the superconductor will try to escape from the field. This effect is used to propel particles of superconducting ink towards the paper to be printed on. The superconducting ink is applied to a printhead that has an array of tiny solenoids. When a magnetic field is created by a current pulse applied to each solenoid, the superconducting ink will be expelled from the solenoid and land on the paper, strategically located in front .of the array. The printer will need a mechanism to control the current pulses, a way to supply ink to the printhead, and a paper motion system.

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XEROX DISCLOSURE JOURNAL

MAGNETIC PRINTER USING SUPERCONDUCTING INK
J.
F. Philippe Marchand

Proposed Classification
U.S. C1.346/140R Int. C1. Gold 15/18

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TO PULSE GENERATORS

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XEROX DISCLOSURE JOURNAL - Vol15 No 6 NovembedDecember 1990 423

[This page contains 1 picture or other non-text object]

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MAGNETIC PRINTER USING SUPERCONDUCTING INK(Cont'd)

An electronic printer is described that puts dots of ink on paper using the magnetic properties of some superconducting materials. The property is that the superconductor will not tolerate a magnetic field. When subjected to a magnetic field, the superconductor will try to escape from the field. This effect is used to propel particles of superconducting ink towards the paper to be printed on. The superconducting ink is applied to a printhead that has an array of tiny solenoids. When a magnetic field is created by a current pulse applied to each solenoid, the superconducting ink will be expelled from the solenoid and land on the paper, strategically located in front .of the array. The printer will need a mechanism to control the current pulses, a way to supply ink to the printhead, and a paper motion system.

This printer is made practical by the advent of high-temperature, super- conducting materials. Although these materials do not operate at room temperature yet, it is expected that real room temperature superconductors will be available soon. A printer could be fabricated today, using the newer materials and some cooling to the proper operating temperature.

Figure 1 shows a cross-section of the basic superconducting printer 10. An array of solenoids 12 or a moving singl...