V-Shaped Programmable Insulating Layer for Low-Voltage Programming

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Solution Overview

Problem

The scaling down of semiconductor devices poses challenges in achieving improved quality, yield, performance, and reliability while reducing complexity, particularly due to issues related to high programming voltages that can damage other elements.

Innovation Solution

The semiconductor device incorporates a programmable insulating layer with a V-shaped cross-sectional profile that can be blown out under a programming voltage, reducing the required voltage and minimizing potential damage.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If conventional programming voltage is applied, then programming function is achieved, but damage occurs to other elements of the semiconductor device

Engineering Contradiction:

Improvedevice reliabilityVSAvoiddamage from high programming voltage

Core Design Contradiction:

ReliabilityVSObject-affected harmful factors

Solution Approach 1:

The patent changes the geometric parameters of the insulating layer from a conventional shape to a V-shaped cross-sectional profile. This parameter change allows the programming voltage to be reduced while still achieving the desired programming function, thereby preventing damage to other device elements caused by high voltages.

Inventive Principle:

Principle #35Parameter changes

Solution Approach 2:

The patent employs a V-shaped (curved/angled) cross-sectional profile for the insulating layer instead of a conventional flat or rectangular shape. This geometric curvature/angle concentration at the bottom of the insulating layer enables field enhancement that reduces the required programming voltage, thus protecting other elements from voltage damage.

Inventive Principle:

Principle #14Spheroidality (Curvature)

2Productivity

If semiconductor device dimensions are scaled down, then computing ability is improved, but manufacturing complexity and reliability issues increase

Engineering Contradiction:

Improvecomputing abilityVSAvoidmanufacturing complexity

Core Design Contradiction:

ProductivityVSDevice complexity

Solution Approach 1:

The patent applies parameter changes by modifying the insulating layer geometry to a V-shaped profile, which simplifies the programming process and reduces voltage requirements. This approach enables continued scaling while maintaining manufacturing feasibility and device reliability, thus supporting improved computing ability without proportionally increasing complexity.

Inventive Principle:

Principle #35Parameter changes

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

The use of a programmable insulating layer with a V-shaped profile allows for a reduction in programming voltage, enhancing the reliability and performance of semiconductor devices by preventing damage from high voltages.

Implementation Method 1

The programmable insulating layer is configured to be blown out under a programming voltage

Methodology Applied

Scientific EffectElectrical breakdown:

Data Source

PatentUS20250031391A1Semiconductor device with programmable insulating layer and method for fabricating the same

Publication Date: 2025.01.23 NAN YA TECH

AI summary

The present application discloses a semiconductor device and a method for fabricating the semiconductor device. The semiconductor device includes a substrate; a valley inwardly positioned on a top surface of the substrate; a programmable insulating layer conformally positioned on the valley and including a V-shaped cross-sectional profile; and a top electrode positioned on the programmable insulating layer. The programmable insulating layer is configured to be blown out under a programming voltage.