Segmented Parallel Dispensing Nozzle Array for Semiconductor Conductor Tracks
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Solution Overview
Problem
Industrial printing processes, particularly in semiconductor production, face challenges in increasing productivity while keeping costs low, as existing methods require powerful and complex drive systems to apply multiple printing lines efficiently on substrates.
Innovation Solution
A device with a printing unit featuring multiple dispenser nozzles arranged along specific axes to generate parallel printing lines, allowing for relative movement that enables the creation of continuous or spaced printing lines, thereby increasing productivity without increasing costs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If multiple dispensing nozzles are used to increase throughput, then productivity is improved, but the risk of cross-contamination between different biologics increases
Solution Approach 1:
The system is divided into multiple independent dispensing modules, each with its own dedicated nozzle. Each module operates independently to dispense specific biologics, preventing cross-contamination while maintaining high throughput through parallel operation of multiple segments.
Solution Approach 2:
A valve assembly acts as an intermediary component that controls the flow path for each nozzle. The valve assembly ensures that each biologic flows through its designated path and nozzle, preventing mixing or cross-contamination between different biologic streams while enabling simultaneous dispensing through multiple nozzles.
2Productivity
If a segmented parallel dispensing system with multiple nozzles is implemented, then productivity is improved, but device complexity increases
Solution Approach 1:
Multiple dispensing functions are merged into a single integrated apparatus where nozzles, valve assemblies, and fluid pathways are combined into one coordinated system. This unified structure manages the complexity of multiple nozzles through systematic integration rather than separate independent systems.
Solution Approach 2:
The valve assembly design provides multi-functionality by controlling multiple fluid pathways through a standardized modular structure. Each valve module can handle different biologics while following the same operational principles, reducing the complexity that would arise from entirely different control mechanisms for each nozzle.
3Reliability
If dedicated nozzles are used for each biologic to prevent cross-contamination, then reliability is improved, but the number of nozzles and device complexity increase
Solution Approach 1:
The dispensing system is segmented into dedicated stations, each with its own nozzle and valve assembly for specific biologics. This segmentation ensures that each biologic has its own dedicated dispensing path, preventing cross-contamination while organizing the multiple nozzles into a structured, manageable configuration.
Solution Approach 2:
The system uses replicated modular valve assembly units, where each unit is a copy of the standardized design but configured for a specific biologic. This copying approach allows multiple nozzles to be implemented through repetition of a proven modular unit rather than designing entirely separate complex systems for each nozzle.
Data Source
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AI summary
A device (1) for the parallel dispensing of a pressure medium (10) onto a substrate, in particular for producing one or more conductor tracks on a semiconductor substrate, is proposed, having a printing unit (6), which comprises a plurality of dispenser nozzles for the simultaneous output of the pressure medium (10), and a drive means (5), which is designed to produce a relative movement between the printing unit (6) and the substrate (4) in a direction of movement (7), wherein at least a first dispenser nozzle and a second dispenser nozzle are are mutually spaced apart transversely to the direction of movement (7). The first dispenser nozzle and a third dispenser nozzle are arranged at a first nozzle spacing from one another along a common first longitudinal axis, the first longitudinal axis running parallel to the direction of movement (7).