Open-Face Liquid Stream Channels for Precise Pattern Control
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Solution Overview
Problem
Existing systems for applying liquid streams to substrates face challenges in achieving precise pattern definition while ensuring sufficient liquid delivery and efficient collection, with complexity in setup and residue buildup.
Innovation Solution
The system incorporates open face flow channels and a self-aligning modular assembly for liquid stream delivery, using impingement jet directional passages to divert liquid streams into a collection path, minimizing residue buildup and enhancing pattern precision.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If multiple liquid streams are expelled under pressure from orifice openings surrounded by walls, then liquid delivery is sufficient, but pattern definition is poor and residue buildup occurs
Solution Approach 1:
The liquid conveyance system is segmented into enclosed first segments and open-faced second segments. This segmentation allows the liquid stream to be contained during transport (preventing premature dispersion) and then freely discharged in the open-faced segment (improving pattern definition and reducing residue buildup from wall contact).
Solution Approach 2:
The walls surrounding the orifice openings are extracted/removed in the open-faced second segment of the liquid conveyance channel. This extraction eliminates the harmful interaction between liquid and walls that causes residue buildup, while still maintaining sufficient liquid delivery through the enclosed first segment.
2Manufacturing precision
If complex system setup is used to achieve fine scale treatment patterns, then pattern definition improves, but device complexity increases
Solution Approach 1:
The system uses dynamically controllable gas jets to deflect liquid streams on-demand. This dynamic control mechanism allows for fine scale treatment patterns without requiring complex static mechanical structures, thereby reducing overall device complexity while maintaining precision.
Solution Approach 2:
The invention employs gas jets (pneumatic system) to control liquid stream deflection. This pneumatic control mechanism provides a simpler alternative to complex mechanical or electrical systems, achieving fine scale patterning with reduced device complexity.
3Measurement precision
If liquid streams are interrupted by transverse gas jets, then pattern precision improves, but liquid collection efficiency decreases due to residue buildup
Solution Approach 1:
The walls that cause residue buildup are extracted in the open-faced second segment, allowing liquid to be deflected by gas jets without contacting surrounding surfaces. This eliminates residue accumulation and improves liquid collection efficiency while maintaining pattern precision through gas jet control.
Solution Approach 2:
The system is designed to efficiently recover and reuse liquid that is diverted by gas jets. By eliminating residue buildup through the open-faced design, the system maximizes liquid recovery and minimizes waste, improving overall productivity and collection efficiency.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This approach allows for precise and instantaneous control of liquid stream application and diversion, improving pattern definition, reducing system complexity, and facilitating efficient liquid collection without residue accumulation.
Implementation Method 1
interrupted by application of a transverse gas jet which redirects the liquid stream away from the target substrate
Data Source
AI summary
An improved system for application of liquid streams to a substrate. The system incorporates open face flow channels for carrying the liquid away from fully enclosed flow segments prior to discharge along an unconstrained flow path. The present invention further provides an improved, self-aligning modular assembly for delivery of impingement jet to the liquid streams for diverting the direction of the liquid streams. The present invention further provides an improved arrangement for collection of the deflected liquid in response to application of the impingement jet without excess residue build-up.