Layer Thickness Measurement for Precision and Reliability
Eddy-Current Based Layer Thickness Measurement for Precision and Reliability
Our advanced layer thickness measurement technology utilizes an eddy-current-based, non-contact approach to provide highly accurate, non-destructive measurements. Designed for delicate and conductive layers, our layer thickness measurement system ensures precise readings without compromising material integrity. This innovative eddy-current-based layer thickness measurement solution is ideal for applications requiring fast, reliable results in quality control and manufacturing. Experience the advantages of non-contact layer thickness measurement for enhanced precision and efficiency across a variety of materials and layers.
Understanding Sheet Resistance and Thickness Relationship
Sheet resistance is defined as the resistivity (ρ) of the material divided by its thickness (t):
Rearranging this equation to solve for thickness:
This relationship allows for the determination of the layer thickness if the resistivity of the conductive material and its sheet resistance are known.
Example Calculation for a Copper Layer
Consider a thin copper layer with:
- Resistivity of copper:
- Measured sheet resistance:
Calculating the thickness t:
Key Applications:
- Thin-Film Technologies: Ideal for assessing thin-film materials after deposition processes like PVD, CVD, MBE and ALD.
- Semiconductor Applications: Suitable for a wide range of semiconductor materials, like Si, GaN and SiC, supporting both research and production needs.
- Solar and Photovoltaic Applications: Designed to measure and optimize materials used in solar cells and other photovoltaic technologies.
- Innovative Glass Technologies: Applicable to architectural glass such as Low-E (low emissivity) glass and smart glass technologies.
- Lighting and Display Technologies: Supports OLED and LED material testing and development.
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