Correlated Electron Switch Digital-to-Analog Conversion

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Solution Overview

Problem

Current digital-to-analog conversion technologies face challenges in achieving lower power consumption, higher performance, and reduced manufacturing variations, particularly in integrated circuit devices such as electronic switching devices used in memory, logic, and analog circuits.

Innovation Solution

The use of correlated electron switch (CES) devices, which exhibit rapid conductor-to-insulator transitions due to quantum mechanical phenomena, allowing for programmable impedance states and efficient digital-to-analog conversion by transitioning between conductive and insulative states, thereby enabling flexible operation modes and reduced power consumption.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Use of energy by moving object

If traditional n-well resistor devices are used for digital-to-analog conversion, then manufacturing process is simple, but power consumption is high and manufacturing variations are large

Engineering Contradiction:
Improvepower consumptionVSAvoidmanufacturing variations
Core Design Contradiction:
Use of energy by moving objectVSManufacturing precision

Solution Approach 1:

The patent applies parameter changes by transitioning from traditional resistor-based impedance elements to correlated electron switch (CES) devices that can dynamically change their impedance states. The CES devices utilize quantum mechanical phenomena to achieve discrete impedance states (conductive and insulative) that can be programmably controlled, thereby reducing manufacturing variations while maintaining low power consumption in integrated circuit devices.

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

The patent employs composite materials by integrating correlated electron materials into switch device structures. These materials exhibit unique quantum mechanical properties that enable rapid transitions between conductive and insulative states, providing both low power consumption and reduced manufacturing variations compared to traditional semiconductor materials.

Inventive Principle:
Principle #40Composite materials

2Manufacturing precision

If correlated electron switch devices are used, then power consumption is reduced and manufacturing variations are minimized, but device complexity increases

Engineering Contradiction:
Improvemanufacturing variationsVSAvoiddevice complexity
Core Design Contradiction:
Manufacturing precisionVSDevice complexity

Solution Approach 1:

The patent extracts the impedance control function from traditional multi-component resistor networks and concentrates it into single correlated electron switch devices. By taking out the complex resistor ladder structures and replacing them with programmable CES devices, the patent reduces manufacturing variations while the quantum mechanical nature of CES provides inherent stability that offsets the increased device complexity.

Inventive Principle:
Principle #2Taking out (Extraction)

3Area of stationary object

If correlated electron switch devices are used, then die area is reduced and performance is increased, but manufacturing process complexity increases

Engineering Contradiction:
Improvedie areaVSAvoidmanufacturing process complexity
Core Design Contradiction:
Area of stationary objectVSEase of manufacture

Solution Approach 1:

The patent applies universality by designing correlated electron switch devices that can serve multiple functions: they act as both switches and impedance elements, and can be programmably configured for different digital-to-analog conversion requirements. This multi-functionality reduces die area by eliminating separate components while the standardized CES device structure facilitates integration despite increased manufacturing process complexity.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

CES devices provide efficient digital-to-analog conversion with lower power consumption, reduced manufacturing variations, and increased performance by utilizing programmable impedance characteristics, offering advantages over traditional n-well resistor devices in terms of die area, process variation, and temperature stability.

Implementation Method 1

exhibit rapid conductor-to-insulator transitions due to quantum mechanical phenomena

Methodology Applied
Scientific EffectQuantum mechanical phenomena:

Data Source

PatentUS10148279B2Digital to analog conversion with correlated electron switch devices
Publication Date: 2018.12.04 ARM LTD
  • US10148279B2 patent drawing
  • US10148279B2 patent drawing
  • US10148279B2 patent drawing

AI summary

Subject matter disclosed herein may relate to correlated electron switch devices, and may relate more particularly to digital to analog conversion using correlated electron switch devices ces.