Sealed Charged-Particle Beam Module for Microscope Maintenance

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Solution Overview

Problem

Conventional charged-particle beam microscopes are cumbersome to maintain, difficult to operate, and expensive, with limited accessibility due to the need for specialized knowledge and a single user terminal for operation.

Innovation Solution

A sealed charged-particle beam microscope with a stage for sample holding, a charged-particle beam source, beam optics for focusing, and a detector for image generation, along with a controller for analyzing radiation, allowing for easy component replacement and remote operation.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If conventional charged-particle beam microscopes are used, then high-resolution imaging capability is achieved, but maintenance complexity and difficulty increase significantly

Engineering Contradiction:
Improveimaging resolutionVSAvoidmaintenance difficulty
Core Design Contradiction:
Measurement precisionVSEase of repair

Solution Approach 1:

The microscope is divided into separate modules: a sealed charged-particle beam module containing the beam source and optics, and a separate detector module. This segmentation allows the beam module to be replaced as a complete unit without requiring disassembly of the vacuum chamber or specialized contamination prevention procedures, significantly simplifying maintenance while preserving imaging resolution.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The charged-particle beam source and optics are extracted into a self-contained sealed module that can be removed and replaced independently from the rest of the microscope system. This extraction eliminates the need for technicians to work inside the vacuum chamber or handle sensitive internal components, reducing maintenance difficulty while maintaining imaging capability.

Inventive Principle:
Principle #2Taking out (Extraction)

2Measurement precision

If conventional charged-particle beam microscopes are used, then high-resolution imaging capability is achieved, but operational complexity increases requiring extensive training

Engineering Contradiction:
Improveimaging resolutionVSAvoidoperational complexity
Core Design Contradiction:
Measurement precisionVSEase of operation

Solution Approach 1:

The sealed charged-particle beam module is designed to be self-contained with integrated controls and automated functions. The module handles its own vacuum sealing, beam generation, and optics alignment automatically, reducing the need for operator intervention and extensive training while maintaining high-resolution imaging capability.

Inventive Principle:
Principle #25Self-service

3Measurement precision

If conventional charged-particle beam microscopes are used, then high-resolution imaging capability is achieved, but accessibility and cost-effectiveness decrease due to single user terminal requirement

Engineering Contradiction:
Improveimaging resolutionVSAvoiduser accessibility
Core Design Contradiction:
Measurement precisionVSAdaptability or versatility

Solution Approach 1:

The sealed charged-particle beam module with integrated detector and control systems can serve multiple users and multiple imaging functions through a single instrument. The modular design allows the system to be configured for different imaging applications while maintaining high resolution, increasing accessibility and reducing the need for multiple separate microscopes.

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

The solution enables easier maintenance, operation, and accessibility of charged-particle beam microscopy, reducing costs and increasing user access by creating a more user-friendly and reliable system.

Implementation Method 1

The sealed module comprises a charged-particle beam source to generate a charged-particle beam inside the volume

Methodology Applied
Scientific EffectCharged-particle beam generation: Electron Beam

Implementation Method 2

The sealed module also comprises beam optics within the volume to converge the charged-particle beam onto the sample

Methodology Applied
Scientific EffectBeam focusing: Focusing

Implementation Method 3

A detector is provided to detect radiation emanating from the sample to generate an image

Methodology Applied
Scientific EffectRadiation detection: Photoelectric Effect

Data Source

PatentUS9997331B1Charged-particle beam microscopy
Publication Date: 2018.06.12 MOCHII VOXA

AI summary

A charged-particle beam microscope includes a charged-particle beam source to generate a charged-particle beam. A stage is provided to hold a sample in the path of the charged-particle beam. Beam optics are provided to illuminate the sample with the charged-particle beam. One or more detectors are provided to detect radiation emanating from the sample as a result of the illumination. A controller may control one or more of the beam optics, stage, and detectors to generate an image of the sample based on the detected radiation.