Transfer Mechanism Sensor Display for Substrate Processing Error Diagnosis
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Solution Overview
Problem
Conventional substrate processing apparatuses face difficulties in determining the state and cause of abnormal pauses in transfer mechanisms, making error diagnosis challenging.
Innovation Solution
Incorporating sensors in the transfer mechanism, a transfer control module, and a manipulation unit with a display unit to transmit and display sensed data when errors occur, allowing for easy state checking and cause determination.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a transfer mechanism is equipped with sensors and a display system to show sensed data during errors, then the ease of diagnosing errors is improved, but the device complexity increases
Solution Approach 1:
The system segments the error diagnosis function by separating the sensing components (sensors in transfer mechanism), data collection (transfer control module), and display (manipulation unit with display unit). This modular segmentation allows each component to perform its specific function independently, improving diagnostic capability while managing complexity through functional division.
Solution Approach 2:
The transfer control module acts as an intermediary that collects sensed data from sensors and transmits it to the manipulation unit for display. This intermediary component bridges the gap between the transfer mechanism and the user interface, enabling error state visualization without requiring direct complex integration between all components.
2Loss of time
If sensed data is displayed on the manipulation unit when an error occurs, then the time required to determine error cause is reduced, but the loss of information increases due to selective data display
Solution Approach 1:
The system performs preliminary data collection by continuously gathering sensed data from sensors during normal operation and storing it in the transfer control module. When an error occurs, this pre-collected data is immediately available for display, eliminating the need for post-error data collection and reducing diagnostic time while maintaining information availability.
Solution Approach 2:
The system implements feedback by displaying sensed data on the manipulation unit's display unit when errors occur. This feedback mechanism provides real-time information about the error state, allowing operators to quickly understand what happened without manually checking multiple components, thus reducing diagnostic time while preserving relevant information.
Data Source
AI summary
A substrate processing apparatus capable of easily checking a state of a transfer mechanism when an error occurs and readily determining a cause of the error is provided. The substrate processing apparatus includes at least one sensor provided in a transfer mechanism for transferring a substrate, a transfer control module for receiving sensing data transmitted by the at least one sensor, a transfer system controller for controlling the transfer control module, and a manipulation unit at least including a display unit for displaying a state of the transfer mechanism based on the sensed data. Therefore, when an error occurs, at least the sensed data transmitted by the at least one sensor is displayed on the display unit.