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Browse Prior Art Database

Electrochemical Memory

IP.com Disclosure Number: IPCOM000094246D
Original Publication Date: 1966-Aug-01
Included in the Prior Art Database: 2005-Mar-06
Document File: 2 page(s) / 24K

Publishing Venue

IBM

Related People

Gaudet, FC: AUTHOR [+3]

Abstract

Known electrochemical memory arrangements have the disadvantage of requiring switching off of the applied voltage. Typical plating cell 13 has platinum anode 15, platinum cathode 17 and copper sulfate electrolyte 19. The electrodes are connected to DC source 21 so that plating and deplating can be done to give a 1 or 0 readout based on the different potentials between electrodes which is dependent on the copper deposition. It has been necessary to switch off the applied voltage in order to facilitate sensing the electrode-to-electrode potential. The switching devices complicate the arrangement. This disadvantage is overcome by using a third electrode 25 and wire 27. These are connected to a high-impedance measuring device. This gives a readout of the binary information without opening the applied voltage circuit.

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Electrochemical Memory

Known electrochemical memory arrangements have the disadvantage of requiring switching off of the applied voltage. Typical plating cell 13 has platinum anode 15, platinum cathode 17 and copper sulfate electrolyte 19. The electrodes are connected to DC source 21 so that plating and deplating can be done to give a 1 or 0 readout based on the different potentials between electrodes which is dependent on the copper deposition. It has been necessary to switch off the applied voltage in order to facilitate sensing the electrode-to-electrode potential. The switching devices complicate the arrangement. This disadvantage is overcome by using a third electrode 25 and wire 27. These are connected to a high-impedance measuring device. This gives a readout of the binary information without opening the applied voltage circuit.

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