Electrode Coating Control for Substrate Property Variations
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Solution Overview
Problem
Existing liquid discharge apparatuses struggle to accurately control the discharge of liquids to form resin or inorganic layers on electrode substrates due to variations in the properties of the discharge target, leading to potential defects such as short circuits and inefficient use of conductive areas.
Innovation Solution
An electrode manufacturing apparatus with a detector and controller system that outputs detection information in series, combining it to control the discharge conditions of a liquid discharger, ensuring precise alignment of resin or inorganic layers with the electrode substrate's varying properties.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If liquid discharge is performed without real-time detection and control adjustment, then the manufacturing process is simple, but the manufacturing precision deteriorates due to property variations on the electrode substrate
Solution Approach 1:
The detector is positioned upstream of the liquid discharger to detect property variations on the electrode substrate before the liquid is discharged. This preliminary detection allows the controller to pre-calculate and prepare discharge condition adjustments, ensuring that the liquid discharge is precisely controlled according to the actual substrate properties at each location, thereby improving manufacturing precision without requiring overly complex real-time adjustment mechanisms.
Solution Approach 2:
The system implements a feedback control loop where the detector continuously monitors property variations on the electrode substrate, and the controller adjusts the liquid discharge conditions based on this detection information. The discharge condition calculator computes the optimal discharge parameters by comparing the detected properties with target values, and the liquid discharger executes the adjusted discharge, forming a closed-loop feedback system that maintains high manufacturing precision while managing device complexity through systematic control architecture.
2Reliability
If liquid discharge conditions are not adjusted based on detection information, then the device operation is simple, but the reliability deteriorates due to potential defects such as short circuits
Solution Approach 1:
The system enables the liquid discharge process to self-adjust based on real-time detection of substrate properties. The detector automatically identifies property variations, the discharge condition calculator autonomously computes the appropriate discharge parameters, and the liquid discharger executes the adjusted discharge without manual intervention. This self-service mechanism ensures high reliability by preventing defects such as short circuits through automatic adaptation to substrate variations, while maintaining ease of operation as the entire process occurs automatically without requiring complex manual control procedures.
3Manufacturing precision
If property variations on the electrode substrate are not detected, then the measurement system is simple, but the manufacturing precision deteriorates leading to inefficient use of conductive areas
Solution Approach 1:
The detection process is segmented into discrete measurement points along the electrode substrate. The detector captures property variations at multiple locations, and the discharge condition calculator processes each detection point independently to determine the appropriate liquid discharge conditions for that specific location. This segmentation approach enables precise manufacturing by addressing each property variation locally, while keeping the detection and measurement system relatively simple through modular, point-by-point analysis rather than requiring complex continuous measurement of the entire substrate.
Data Source
AI summary
An electrode manufacturing apparatus according to one aspect of the present disclosure is configured to discharge a liquid to form a resin layer or an inorganic layer on an electrode substrate which is being conveyed in a predetermined direction. The electrode manufacturing apparatus includes a detector, a liquid discharger provided downstream of the detector in the predetermined direction and configured to discharge the liquid to form the resin layer or the inorganic layer, and a controller configured to control a discharge condition of the liquid discharger. Points where a property varies are present on the electrode substrate along a direction intersecting the predetermined direction. The detector outputs pieces of detection information obtained by detecting one of the points in time series, and the controller controls the discharge condition of the liquid discharger based on combined detection information obtained by combining the pieces of detection information.