Wireless Pressure Sensor Matrix for Glass Cleaning Uniformity
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Solution Overview
Problem
There is a lack of effective equipment for objectively and quantitatively testing and evaluating the cleaning process in glass substrate manufacturing, leading to increased particle defects and non-uniformity in substrate quality due to human deviation.
Innovation Solution
A wireless pressure detector system with a support substrate and pressure sensors that transmit pressure data wirelessly, allowing for real-time measurement and analysis of pressure distribution on a two-dimensional plane, which can be applied to glass substrates during cleaning processes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional cleaning processes are used without objective testing equipment, then the manufacturing process is simple, but particle defects increase and substrate quality becomes non-uniform
Solution Approach 1:
The measurement area is divided into multiple discrete pressure sensing points arranged in a matrix pattern, allowing localized pressure measurement across the substrate surface. This segmentation enables identification of specific regions with quality issues while maintaining overall process simplicity
Solution Approach 2:
Traditional mechanical pressure measurement methods are replaced with wireless pressure sensors that convert pressure directly into wireless signals. This substitution eliminates complex mechanical linkages and data collection systems while providing real-time pressure distribution information
2Measurement precision
If manual cleaning evaluation is used, then equipment complexity is low, but measurement accuracy and objectivity decrease due to worker deviation
Solution Approach 1:
The pressure sensors autonomously measure and transmit pressure data without requiring manual intervention or subjective evaluation by workers. The system self-calibrates and continuously monitors pressure distribution, providing objective measurements that eliminate human deviation while keeping the system relatively simple
Solution Approach 2:
The wireless pressure sensors provide real-time feedback on pressure distribution during the cleaning process. This continuous feedback enables immediate detection of pressure anomalies and allows for real-time adjustments, significantly improving measurement accuracy and process control
3Productivity
If real-time pressure measurement is implemented, then substrate quality improves, but system complexity and power requirements increase
Solution Approach 1:
The wireless pressure sensors transmit data periodically rather than continuously, reducing power consumption while maintaining real-time monitoring capability. The system can adjust transmission frequency based on process conditions, providing real-time data when needed while conserving energy during stable operation
Solution Approach 2:
The pressure sensors are implemented as thin, flexible components that can be directly applied to the substrate or cleaning equipment surface. This flexible design reduces material usage and allows for efficient heat dissipation, indirectly helping to manage power consumption in the wireless transmission system
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
Enables accurate and efficient detection and reduction of particle defects by providing a real-time, objective assessment of pressure distribution, thereby improving substrate quality and consistency.
Implementation Method 1
a plurality of pressure sensors arranged on the support substrate, each of the plurality of pressure sensors being configured to output a signal in response to a pressure applied thereto
Data Source
AI summary
Provided is a wireless pressure detector. The wireless pressure detector includes: a support substrate; a plurality of pressure sensors arranged on the support substrate, each of the plurality of pressure sensors being configured to output a signal in response to a pressure applied thereto; and a transmitter configured to perform wireless transmission based on signals input from the plurality of pressure sensors.