IP Library Granted Patent US 8,653,497
Granted Patent B2
US 8,653,497 · App. 13/773,551 · Granted Feb 18, 2014

Resistive memory

Inventor: Bao Tran (Saratoga, CA)
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Quick Facts
Patent No.
US 8,653,497
App. No.
13/773,551
Granted
Feb 18, 2014
Kind
B2
Abstract

A memory device includes an upper conductive layer, a lower conductive layer, and a resistive, optical or magnetic matrix positioned between the upper and lower conductive layers.

Claims (31)

1. A memory device, comprising:

an upper conductive layer,

a lower conductive layer, and

a memory resistive (memristive) matrix positioned between the upper and lower conductive layers to form a low-resistance conduction path for one condition and a high-resistance conduction path for another condition and wherein at least one conductive layer comprises a bimetallic electrode.

2. The memory device of claim 1 , comprising a second array of memory structures disposed in rows and columns and constructed either above or below the memristive matrix.

3. The memory device of claim 1 , further comprising a driver circuit for selectively controlling first signal electrodes or second signal electrodes.

4. The memory device of claim 3 , wherein the circuit includes one or more of a sense amplifier, an input-output buffer, an X address decoder, a Y address decoder, and an address buffer.

5. The memory device of claim 1 , wherein the substrate includes a silicon-on-insulator wafer.

6. The memory device of claim 1 , wherein the memory resistive layer is spin-coated over the substrate.

7. The memory device of claim 1 , wherein the resistive layer form memory circuits, analog circuits, hybrid circuits, or logic circuits.

8. The memory device of claim 1 , wherein the resistive layer forms one or more fuzzy logic circuits.

9. The memory device of claim 1 , wherein the memory device comprises a solid state storage device.

10. The memory device of claim 1 , further comprising an array of redundant memory elements.

11. The memory device of claim 10 , wherein the redundant array is a row or a column of redundant resistive-elements.

12. The memory device of claim 1 , further comprising memory devices forming a plurality of memory hierarchy to optimize data access speed.

13. A memory device, comprising:

an upper conductive layer,

a lower conductive layer, and

a resistive matrix positioned between the upper and lower conductive layers, wherein the resistive matrix forms a low-resistance conduction path for one condition and a high-resistance conduction path for another condition and wherein at least one conductive layer comprises a bimetallic electrode.

14. A memory electronic device, comprising:

a substrate;

a first layer fabricated in silicon using semiconductor fabrication techniques;

a lower conductive layer formed above the first layer;

a second layer formed above the lower conductive layer, the second layer having a matrix of resistive memory elements; and

an upper conductive layer formed above the matrix, wherein at least one of the lower and upper conductive layers is bimetallic with a conducting portion and a metallic portion.

15. The device of claim 14 , comprising a third layer formed above the second layer, the third layer having one or more resistive-bonding areas and one or more resistive memory elements bonded to the third layer resistive bonding areas.

16. The device of claim 14 , wherein the resistive-elements are spin-coated on the second layer.

17. The device of claim 14 , wherein the resistive layer comprises a combination of two resistive elements that in combination have a zero temperature coefficient.

18. The device of claim 14 , comprising a plurality of resistive memory elements with zero temperature coefficient.

19. The device of claim 18 , comprising a first resistive element with a positive temperature coefficient and the second resistive element with a negative temperature coefficient.

20. The device of claim 18 , wherein the temperature coefficient is selected such that a series or parallel combination of two elements results in a resistive element having zero temperature coefficient.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 24, 2020
From: RONDEVOO TECHNOLOGIES LLC
To: TRAN, BAO
Reel/Frame 053871/0047 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 22, 2019
From: TRAN, BAO
To: RONDEVOO TECHNOLOGIES, LLC
Reel/Frame 048678/0392 →
Continuity (7)
Continuation 12905069 · Oct 14, 2010
Continuation 12617198 · Nov 12, 2009
Continuation 12348904 · Jan 5, 2009
Continuation 11867566 · Oct 4, 2007
Continuation 11064364 · Feb 23, 2005
Provisional Application 60560053 · Apr 6, 2004
Related Publication 20130163310A1 · Jun 27, 2013