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What is the working principle of an electron beam lithography machine?

Electron beam lithography (EBL) is a micro-nano fabrication device based on electron beam exposure. Its core principle is to draw nano-scale patterns on a resist (such as PMMA, HSQ) using a high-energy electron beam. Finally, the pattern is transferred to the substrate material through processes such as development and fixing.

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2025

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What is maskless lithography? How does it work?

Maskless lithography is an advanced lithography equipment that does not require a physical mask. It uses a digital micromirror device (DMD) to dynamically generate lithographic patterns, enabling flexible and efficient micro-scale structure processing. Its core function is utilizing the spatial light modulation capability of the DMD to directly project computer-designed patterns onto the substrate surface. This eliminates the cumbersome steps of mask making and alignment in traditional lithography, significantly shortening the R&D cycle and reducing production costs.

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2025

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What is a step gauge? What is the working principle of a step gauge?

A profilometer is a precision instrument used for high-precision measurement of the microscopic topography of material surfaces (such as step height, roughness, flatness, and warp). It is widely used in semiconductor manufacturing, materials science research, MEMS (Microelectromechanical Systems) processing, and optical component testing. Its core function is to obtain quantitative data on surface height changes through minute contact between the probe and the sample surface, providing key data for material performance analysis and process optimization.

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2025

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The Essential Guide to TEM Holders: Enhancing Your Instrumentation Experience

Transmission Electron Microscopy (TEM) is a powerful technique used to observe the fine structure of materials at a nanometer scale. One of the essential components that significantly influence the performance of TEM is the TEM holder. Understanding the various types and functions of TEM holders can be crucial for professionals who rely on precise imaging and analysis in their work. A TEM holder,

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2025

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Understanding In Situ TEM Holders: A Key Component in Advanced Microscopy

--- In situ TEM holders are essential tools in the realm of transmission electron microscopy (TEM), particularly for researchers looking to observe dynamic processes at the nanoscale. These holders allow for real-time examination of materials under varying environmental conditions, making them invaluable for a wide array of scientific investigations. So, what exactly is an in situ TEM holder? Esse

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2025

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Unveiling the Power of Desktop Scanning Electron Microscopes: A Comprehensive Overview

Desktop scanning electron microscopes (DSEM) represent a significant advancement in microscopy technology, offering researchers and professionals the ability to observe materials at incredibly high resolutions. Unlike traditional optical microscopes, which are limited by the wavelength of light, DSEM utilizes electrons to achieve magnifications of up to several hundred thousand times. This allows

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2025

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