Semiconductor Seed Substrate Carrier Element Bonding
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Solution Overview
Problem
Existing methods for producing semiconductor wafers involve high costs and defects due to the use of multiple support elements for seed substrates during the deposition and detachment process, leading to damage and breakage.
Innovation Solution
A method where semiconductor seed substrates are permanently fixed to a carrier element using a material connection, formed from semiconductor material, allowing for stable attachment and reduced risk of breakage, enabling cost-effective and efficient production of semiconductor layers.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If different support elements are used for different process steps and seed substrates are placed and removed between steps, then the deposition and detachment processes can be performed, but the costs increase and the risk of damage or breakage of seed substrates and semiconductor layers increases
Solution Approach 1:
The patent applies a single carrier element that serves multiple functions throughout the entire process sequence: holding seed substrates during deposition, supporting them during detachment, and enabling their replacement. This universal carrier element eliminates the need for different support elements for different process steps, thereby reducing device complexity while maintaining reliability.
Solution Approach 2:
The patent combines the functions of multiple support elements into a single integrated carrier element. By merging the holding, supporting, and positioning functions into one component, the system reduces the number of parts, simplifies the process, and eliminates the risks associated with transferring seed substrates between multiple support elements.
2Ease of manufacture
If seed substrates are permanently fixed to the carrier element during process steps, then the risk of damage is reduced and costs are lowered, but the ability to replace seed substrates must be maintained
Solution Approach 1:
The patent implements a dynamic fixation system where the carrier element can transition between different states: firmly holding seed substrates during deposition and detachment processes, and enabling their replacement when needed. This dynamic capability allows the system to optimize for both manufacturing efficiency and adaptability throughout the process cycle.
Solution Approach 2:
The patent applies a material connection formed from semiconductor material that creates a stable bond between the carrier element and seed substrates before the deposition process begins. This preliminary fixation ensures that substrates are securely held during critical processes, while the connection can be controlled to allow replacement when necessary.
3Strength
If thicker seed substrates are used, then mechanical stability is ensured during handling, but the yield per carrier element area is reduced
Solution Approach 1:
The patent forms a material connection between the carrier element and seed substrates before the deposition process, creating a reinforced composite structure. This preliminary action provides the mechanical stability needed for handling thinner substrates, enabling the use of thinner seed substrates without compromising strength, thereby increasing the number of substrates that can be accommodated on each carrier element.
Solution Approach 2:
The patent creates a composite structure consisting of the carrier element, the material connection layer, and the seed substrate. This composite construction distributes mechanical stresses across all components, providing enhanced strength and stability that allows the use of thinner seed substrates while maintaining adequate mechanical stability during handling and processing.
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 reduces production costs, increases the number of usable cycles for seed substrates, and allows for thinner substrates, enhancing mechanical stability and yield while maintaining high-quality semiconductor layer deposition.
Implementation Method 1
the material connection being formed to include the semiconductor material used to form the semiconductor layer on the seed substrates
Data Source
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AI summary
The invention relates to a method for arranging a plurality of semiconductor seed substrates on a carrier element, for applying a semiconductor layer to the seed substrates, the seed substrates being arranged on the carrier element by means of integral bonding. The invention further relates to a carrier element having seed substrates for coating with a semiconductor layer.