Volumetric data storage apparatus

Details Volumetric data storage apparatus Volumetric data storage apparatus

2005-10-04

2005-10-04

Nguyen, Van Thu (Department: 2824)

Static information storage and retrieval

Systems using particular element

Ferroelectric

C365S171000

Reexamination Certificate

active

06952361

ABSTRACT:
In a volumetric data storage apparatus comprising a plurality of stacked matrix-addressable memory devices electrode means are provided so as to form alternating word and bit line means for the memory devices, whereby the number of the electrode means is only one more than the number of memory devices. Moreover adjoining electrode means are arranged in such a manner as to furnish a high proportion of memory cells which can be switched in two or more directions, thus yielding a much higher output when addressed and having an improved signal-to-noise ratio. Each memory device can, due to having a dense electrode arrangement, be provided with an attainable memory cell fill factor approaching unity and half the memory cells can in case be provided switchable in two or more directions, such that the fill factor of these in any case shall approach 0.5. A volumetric data storage apparatus with a very high storage density can hence be obtained, while several of the problems encountered with stacked memory devices are obviated.

REFERENCES:
patent: 6775173 (2004-08-01), Gudesen
patent: 2003/0001151 (2003-01-01), Li et al.
patent: 2003/0056078 (2003-03-01), Johansson et al.

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