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Plasma Reactive Ion Etching (RIE) Selectivity & Anisotropy Calculator

Easily calculate and compute plasma reactive ion etching (rie) selectivity & anisotropy calculator with accurate equations, live formulas, and expert guidance.

Calculated Result
0.93 ratio

Etch Anisotropy Factor A

Etch Anisotropy Factor A

0.93 ratio

Anisotropy Factor A

0.929

Etch Selectivity Ratio

10

Profile Quality

Highly Anisotropic (Near-Vertical Sidewalls)

Vertical Etch Rate Nm Per Min

350

0.93 — ratio

Calculation Breakdown

  1. Applied FormulaCalculates the etch profile anisotropy factor A (A=1 for perfectly vertical directional walls) and etch selectivity ratio S over photoresist mask in plasma reactive ion etching.A = 1 - \frac{R_L}{R_V}, \quad S = \frac{R_{\text{film}}}{R_{\text{mask}}}

RIE Etch Selectivity & Anisotropy Metric Output

Interactive visualization based on your current inputs

Calculated Value
0.00.30.50.81.0Etch Anisotropy Factor A

What Is the Plasma Reactive Ion Etching (RIE) Selectivity & Anisotropy Calculator?

This tool computes plasma reactive ion etching (rie) selectivity & anisotropy calculator with high precision arithmetic.

How Does the Plasma Reactive Ion Etching (RIE) Selectivity & Anisotropy Calculator Work?

Calculates the etch profile anisotropy factor A (A=1 for perfectly vertical directional walls) and etch selectivity ratio S over photoresist mask in plasma reactive ion etching.

Plasma Reactive Ion Etching (RIE) Selectivity & Anisotropy Calculator Formula & Variables

The core mathematical equation utilized by this calculator is expressed as:

A=1−RLRV,S=RfilmRmaskA = 1 - \frac{R_L}{R_V}, \quad S = \frac{R_{\text{film}}}{R_{\text{mask}}}

Calculates the etch profile anisotropy factor A (A=1 for perfectly vertical directional walls) and etch selectivity ratio S over photoresist mask in plasma reactive ion etching.

How to Use the Plasma Reactive Ion Etching (RIE) Selectivity & Anisotropy Calculator

  1. Enter your parameters into the designated input fields to calculate the result immediately.

Step-by-Step Example Calculation

Plasma Reactive Ion Etching (RIE) Selectivity & Anisotropy Calculator Example

Input Values:

verticalEtchRateNmPerMin:350
lateralEtchRateNmPerMin:25
maskEtchRateNmPerMin:35
Worked Steps: Sample evaluation based on standard reference conditions.

Understanding Your Result

The calculated primary figure indicates the optimal or required ratio.

Factors That Affect the Result

  • Measurement tolerances, operational variance, and real-world conditions.

When Should You Use This Calculator?

  • Everyday budgeting, technical homework, professional estimation, and household projects.

Assumptions & Limitations

  • Assumes standard atmospheric or environmental parameters unless specified.

Frequently Asked Questions

Calculation Accuracy & Reference Note

Double-precision IEEE 754 arithmetic with validated empirical constants.

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