Browse Prior Art Database

Three Dimensional Memory

IP.com Disclosure Number: IPCOM000094860D
Original Publication Date: 1965-Jun-01
Included in the Prior Art Database: 2005-Mar-06
Document File: 2 page(s) / 54K

Publishing Venue

IBM

Related People

Brosseau, EF: AUTHOR [+2]

Abstract

This system, employing magnetic flute elements T of the type described in U. S) Patent 3, 134, 096, is a three-dimensionally organized memory. It has two insulated conductors X and Y) These are disposed along the longitudinal axis of each of a plurality of flute tubes T. There is one additional insulated conductor Z. This passes through a wall of tubes T to provide a magnetic field in the T's orthogonal to the magnetic field produced by current in X and Y conductors.

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Three Dimensional Memory

This system, employing magnetic flute elements T of the type described in
U. S) Patent 3, 134, 096, is a three-dimensionally organized memory. It has two insulated conductors X and Y) These are disposed along the longitudinal axis of each of a plurality of flute tubes T. There is one additional insulated conductor Z. This passes through a wall of tubes T to provide a magnetic field in the T's orthogonal to the magnetic field produced by current in X and Y conductors.

In the operation, the combination of X and Y conductors in a given T can be used as a word line carrying a total current Iw. A Z conductor associated with the given T can be used as a bit line carrying a current Ib. The Z conductor is not used as an inhibit line. To write a 1 into an information cell of tube T defined by the intersection of conductors X1, Y1 and Z1, a current 1w is passed through the X1 and Y1. Preferably, X1 carries 1/2 Iw and Y1 carries 1/2 Iw. A current 1b is passed through the conductor Z1. To write a 0 into the cell, a current 1/2 Iw is passed through each conductor X1 and Y1 with no current flowing through conductor Z1. Alternatively, a 1 can be written into the cell by passing a current 1/2 Iw through each conductor X1 and Y1 and a current +Ib through the conductor Z1. A 0 can be written into and a current -Ib through the conductor Z1.

With the coincidence of an Iw current through the word line X and Y, and of an Ib current in the bit line Z, the latte...