Deposition Module Close Contact Mechanism for Leakage Prevention
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing deposition systems face challenges with deposition material leakage through gaps between the crucible and nozzle portions during the deposition process, and the crucible and nozzle portions are difficult to separate after the process is completed.
Innovation Solution
A deposition module with a close contact portion that brings the crucible and nozzle portions into close contact, using a heater that can switch between two states to control the heating value, and incorporating a close contact frame with pressing portions to ensure proper contact and prevent leakage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the crucible portion and nozzle portion are separated to enable easy separation after deposition, then the ease of operation is improved, but deposition material may leak through the gap between them during the deposition process
Solution Approach 1:
The close contact portion is designed to be movable between a first position (spaced apart from the spraying portion) and a second position (pressing the spraying portion). This dynamic positioning allows the system to transition between a sealed state during deposition to prevent leakage and an open state after deposition to enable easy separation of the crucible and nozzle portions.
Solution Approach 2:
The close contact portion acts as an intermediary component between the crucible portion and nozzle portion. It provides a pressing surface that can be positioned to either seal the gap between the crucible and nozzle (preventing material leakage) or be retracted to allow easy separation, thus mediating between the conflicting requirements of sealing and separability.
2Reliability
If the heater is always in the second state (high heating value) to ensure proper heating, then the reliability is improved, but energy consumption increases
Solution Approach 1:
The heater operates in periodic cycles, switching between the first state (low heating value) and the second state (high heating value). The heater is activated in the second state only when needed for specific heating tasks, such as melting deposition material or maintaining temperature during deposition, and switches to the first state during idle periods or when lower temperature is sufficient, thereby reducing overall energy consumption while maintaining reliability when required.
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
The solution effectively prevents deposition material leakage and simplifies the separation of the crucible and nozzle portions after the deposition process, enhancing the durability and efficiency of the deposition module.
Implementation Method 1
The heater is accommodated in the internal space so as to heat the nozzle portion and is configured to be switchable between a first state and a second state, the second state having a heating value higher than a heating value of the first state
Implementation Method 2
The close contact portion is accommodated in the internal space so as to bring the crucible portion and the nozzle portion into close contact with each other, and the close contact portion includes a pressing surface spaced apart from the spraying portion in the first state and configured to press on the spraying portion in the second state
Implementation Method 3
The nozzle portion connected to the crucible portion and configured to spray the deposition material stored in the storage space
Data Source
AI summary
A display device manufacturing apparatus includes a mask assembly, and a deposition module configured to supply a deposition material toward the mask assembly. The deposition module includes a deposition frame, a spraying portion, a heater, and a close contact portion. The deposition frame has an internal space. The spraying portion includes a crucible portion and a nozzle portion. The heater heats the nozzle portion and is configured to be switchable between a first state and a second state with a higher heating value than the first state. The close contact portion brings the crucible portion and the nozzle portion into close contact with each other, and the close contact portion includes a pressing surface spaced apart from the spraying portion in the first state and configured to press on the spraying portion in the second state.