Consumable Ring Transfer Layout for Plasma Module Misalignment
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Solution Overview
Problem
Existing cluster tools face challenges in properly transferring consumable components to plasma processing modules due to docking errors between the plasma processing module and the mobile replacement apparatus, leading to misalignment issues.
Innovation Solution
A cluster tool design incorporating a mobile replacement apparatus with a ring storage portion, a ring replacement robot, and a slide mechanism that allows for orthogonal transfer of consumable components, enabling correction of rotational misalignment without returning the component to storage, thereby ensuring accurate placement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a mobile replacement apparatus is used to transfer consumable components, then operational flexibility and reduced downtime are improved, but docking errors cause misalignment between the plasma processing module and the replacement apparatus
Solution Approach 1:
The replacement apparatus is designed with movable and adjustable components, including the slide mechanism that can dynamically adjust the position of the consumable component holder. This dynamic adjustment capability allows the system to compensate for docking errors while maintaining high operational efficiency, as the apparatus can adapt its configuration during the replacement process rather than requiring fixed, pre-aligned positions
Solution Approach 2:
The system incorporates alignment detection and correction mechanisms that provide feedback during the docking process. Sensors and detection means identify misalignment between the plasma processing module and the replacement apparatus, then the slide mechanism and positioning systems adjust the component holder's position accordingly, ensuring precise placement despite initial docking errors
2Manufacturing precision
If traditional fixed replacement systems are used, then alignment precision is maintained, but operational flexibility and response time are reduced
Solution Approach 1:
The system transitions from fixed positioning to dynamic adjustment mechanisms. The slide mechanism and movable component holder allow the replacement apparatus to adapt its position and orientation during operation, providing both the precision of fixed systems and the flexibility of movable systems by combining structured guidance with adjustable positioning capabilities
Solution Approach 2:
The system enables changes in positional parameters during the replacement process. The slide mechanism alters the horizontal position of the consumable component holder, while the movable apparatus can adjust vertical and angular parameters, allowing the system to maintain precision across varying operational conditions and configurations
3Manufacturing precision
If misalignment occurs during docking, then additional alignment steps are required, but this increases downtime and reduces productivity
Solution Approach 1:
The system performs preliminary alignment adjustments automatically during the docking process itself. The detection means identify misalignment early, and the slide mechanism begins correction actions before the replacement is complete, so that alignment is achieved as part of the replacement sequence rather than as a separate subsequent step
Solution Approach 2:
The replacement apparatus is designed to self-correct alignment issues through integrated detection and adjustment mechanisms. The system automatically detects misalignment and performs corrections using its own slide mechanism and positioning systems, eliminating the need for external intervention or additional manual alignment steps that would extend downtime
Data Source
AI summary
A cluster tool includes a plasma processing apparatus and a mobile replacement apparatus. The plasma processing apparatus includes a plasma processing module having a first surface and a second surface, and a vacuum transferer connected to the plasma processing module via the first surface. The plasma processing module includes a support member and a consumable ring. The mobile replacement apparatus includes a ring storage portion and a ring replacement robot configured to transfer the consumable ring between the ring storage portion and the plasma processing module, the ring replacement robot transferring the consumable ring along a first direction orthogonal to the second surface, and a slide mechanism that slides the ring replacement robot along a second direction orthogonal to the first direction.