Charged Particle Beam Observation Condition Indicators
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Solution Overview
Problem
Novice users of scanning electron microscopes face difficulties in recognizing the differences between imaging results caused by varying observation conditions, leading to inefficient image acquisition and poor skill development due to the lack of clear indicators and time-consuming image capture processes.
Innovation Solution
A processing unit is configured to display observation condition characteristic indicators, such as high resolution, emphasis on surface structure, and material difference, along with highlighted images, on an image display device, allowing users to easily differentiate between observation conditions and adjust settings accordingly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If multiple simple observation images are captured and displayed in list form, then users can compare different observation conditions, but novice users cannot recognize which image is good and cannot see clear differences between images
Solution Approach 1:
The patent applies color mapping to visually represent different observation condition characteristics. Each observation condition is associated with specific color indicators that highlight the dominant characteristics (e.g., surface structure, material difference, resolution). This allows novice users to immediately recognize differences between images through color cues without needing to understand complex parameter settings.
Solution Approach 2:
The patent transforms one-dimensional parameter lists into two-dimensional visual representations by displaying observation condition characteristics as graphical indicators alongside images. This dimensional transformation makes abstract parameter differences concrete and visually perceivable, enabling users to quickly comprehend the effects of different observation conditions.
2Adaptability or versatility
If multiple simple observation images are captured before main capturing, then users can select desired observation conditions, but it takes time to obtain multiple images reducing efficiency
Solution Approach 1:
The patent pre-calculates and displays observation condition characteristic indicators for multiple preset observation conditions before actual image capture. This preliminary action allows users to preview and select desired observation conditions based on visual indicators without needing to capture multiple test images first, significantly reducing the time required for observation condition selection.
Solution Approach 2:
The patent creates visual copies or representations of what different observation conditions would produce, displayed as characteristic indicators alongside preset buttons. These visual copies allow users to evaluate observation conditions without performing actual capture operations, eliminating the time-consuming process of capturing multiple test images.
3Loss of information
If detailed parameter setting values are displayed, then users can understand observation conditions, but the interface becomes complex and difficult for novice users
Solution Approach 1:
The patent extracts only the most relevant and visually interpretable characteristics from complex parameter settings. Instead of displaying all parameter details, it selectively presents key observation condition characteristics (such as surface structure emphasis, material difference emphasis, resolution level) that are most useful for novice users to understand and compare observation conditions.
Solution Approach 2:
The patent segments complex observation condition parameters into distinct, manageable characteristic indicators. Each indicator represents a specific aspect of the observation condition (e.g., resolution, surface structure, material difference), allowing users to process information in small, understandable units rather than facing a wall of complex parameters.
Data Source
AI summary
For a novice user to easily recognize a difference between imaging results caused by a difference between observation conditions, a computer has an operation screen display observation target setting buttons for changing an observation condition for a specimen including a combination of parameter setting values of a charged particle beam apparatus. The processing unit has the operation screen display a radar chart including a characteristic, indicated by three or more incompatible items, of an observation condition for each of the observation target setting buttons. The radar chart indicates at least items of high resolution, emphasis on surface structure and emphasis on material difference.