Semiconductor Material Cabinet Insulation Against Adjacent Heat Sources
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Solution Overview
Problem
Cabinets used in semiconductor fabrication processing face challenges in maintaining controlled temperatures due to external thermal influences from adjacent cabinets or reaction chambers, which affect the storage materials inside.
Innovation Solution
The implementation of thermal insulating materials on the surfaces of cabinets, including preformed sheets or coatings, and strategic air-insulation gaps between adjacent cabinets to mitigate external thermal energy transfer, ensuring materials are maintained at desired temperatures.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If cabinets are placed near adjacent cabinets or reaction chambers to optimize space utilization, then productivity is improved, but temperature control precision deteriorates due to external thermal influences
Solution Approach 1:
The patent introduces thermal insulating material as an intermediary substance between the cabinet interior and external thermal sources. This mediator blocks heat transfer from adjacent cabinets or reaction chambers, allowing cabinets to be placed close together for space efficiency while maintaining precise temperature control inside the cabinet.
Solution Approach 2:
The patent applies thermal insulating coatings or linings to the cabinet walls, creating a flexible thermal barrier that conforms to the cabinet structure. This thin film approach provides effective thermal isolation without adding significant bulk, enabling compact cabinet arrangements while preserving temperature stability.
2Manufacturing precision
If thermal insulating material is added to cabinet surfaces to block external thermal energy, then temperature control precision is improved, but device complexity increases
Solution Approach 1:
The patent modifies the thermal parameters of the cabinet by changing the surface properties through insulation materials. This parameter change approach (adding thermal resistance at the surface) achieves temperature control without fundamentally redesigning the cabinet structure, thereby minimizing complexity increases.
Solution Approach 2:
The patent uses composite thermal insulation structures combining multiple materials with different thermal properties. This allows optimization of both insulating performance and structural simplicity, as different layers can serve different functions (e.g., vapor barrier, thermal insulation, structural support) within a single integrated assembly.
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
Effectively reduces the impact of external thermal conditions on stored materials, maintaining precise temperature control and optimizing the use of materials in semiconductor fabrication processes.
Implementation Method 1
a thermal insulating material is disposed on a surface of one or more of the housing panels. The thermal insulating material is positioned to reduce transfer of thermal energy from a source external from and adjacent the cabinet into the cabinet internal storage space and to the storage vessel
Data Source
AI summary
Cabinets used in semiconductor fabrication processes comprise a housing with an internal space having a storage vessel disposed therein that contains material used for semiconductor fabrication processing that is maintained at a set temperature. Thermal management systems and devices disclosed herein comprise a thermal insulating material that is disposed on the housing and that is positioned at one or more locations on the cabinet to reduce thermal transfer from an external thermal energy source external from and adjacent the cabinet to the internal space and the storage vessel. Use of the thermal insulating material functions to mitigate or eliminate the unwanted transfer of thermal energy from the external thermal energy source to the storage vessel inside of the cabinet to thereby not influence the set temperature of the storage vessel and its contents to thereby promote the effective and efficient use of the stored material during semiconductor fabrication.