Parallel Processing Station Linear Conveyor Substrate Handling
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing processing stations for planar substrates, such as solar cell wafers, face challenges in achieving high precision and throughput due to complex construction and the need for multiple transfer points, which can lead to defects in multi-layer printing processes.
Innovation Solution
A processing station with two processing units and four linear conveyor units arranged in a parallel configuration, allowing for high-precision positioning and simplified construction, where each conveyor unit moves substrates between conveyor lines and processing units, reducing the need for multiple transfer points and enabling simultaneous conveying movements to minimize cycle time and maintain operation even during unit malfunctions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple transfer points are used to move substrates between conveyor lines and processing units, then the processing station can handle substrates through multiple stages, but the complexity of construction increases and the risk of substrate defects increases
Solution Approach 1:
The patent combines multiple transfer operations into a single linear conveyor unit that moves substrate supports sequentially between conveyor lines and processing units. This merging of transfer functions reduces the number of separate transfer points from multiple to just one linear path, thereby reducing construction complexity while maintaining multi-stage processing capability.
Solution Approach 2:
The patent transitions from a two-dimensional arrangement with multiple transfer points at different locations to a one-dimensional linear conveyor path. By organizing all transfers along a single linear trajectory, the system simplifies the spatial configuration and reduces construction complexity while preserving the ability to perform multiple processing stages.
2Productivity
If multiple transfer points are used for substrate handling, then substrates can be moved through processing units, but the precision of positioning deteriorates due to multiple transfer operations
Solution Approach 1:
The patent merges multiple discrete transfer operations into a single continuous linear conveyor unit. This consolidation reduces the number of transfer interfaces from multiple to one, thereby minimizing cumulative positioning errors and improving manufacturing precision while maintaining substrate throughput through continuous linear motion.
Solution Approach 2:
The linear conveyor unit provides continuous motion of substrate supports along a single trajectory, eliminating the start-stop and re-positioning operations associated with multiple transfer points. This continuous action maintains positioning precision while ensuring uninterrupted substrate flow through all processing stages.
3Adaptability or versatility
If a complex construction with multiple transfer points is used, then substrate handling is possible, but the cycle time increases due to multiple transfer operations
Solution Approach 1:
The patent combines multiple sequential transfer operations into a single linear conveyor unit, reducing the total number of transfer actions from multiple to one continuous motion. This merging eliminates redundant acceleration and deceleration cycles, thereby reducing processing cycle time while maintaining full substrate handling capability across all processing stages.
Solution Approach 2:
The linear conveyor enables continuous substrate support movement through all processing units without interruption for re-positioning or transfer between separate mechanisms. This continuous action eliminates idle time and reduces processing cycle time while preserving the ability to handle substrates through multiple processing stages.
Data Source
AI summary
A processing station for two-dimensional substrates including at least two processing units and at least two conveyor lines for substrates arranged in parallel to another, wherein both the processing units are placed between the two conveyor lines, and an arrangement for moving the substrates from the conveyor lines to the processing units and back is provided. The arrangement includes four linear conveyor units each having at least one substrate support, wherein a first linear conveyor unit leads from the second conveyor line to the first processing unit, a second linear conveyor unit leads from the first conveyor line to the first processing unit, a third linear conveyor unit leads from the first conveyor line to the second processing unit, and a fourth linear conveyor unit leads from the second conveyor line to the second processing unit.