Silicon Wafer Degumming and Insertion With Automated Separation
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Solution Overview
Problem
Manual transportation of silicon wafers in the silicon wafer manufacturing process is hazardous and prone to defects due to the handling of acid-containing water and the fragility of the wafers, leading to chipping, cracking, and inefficiencies in degumming and inserting operations.
Innovation Solution
A device comprising a material frame, grabbing mechanism, degumming mechanism, unlocking mechanism, and inserting mechanism, which automates the degumming and inserting process, including a conveying component with clamping and spraying components to handle and separate silicon wafers without manual handling, reducing the risk of damage and improving efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If manual transportation of silicon wafers is used, then flexibility and simplicity are maintained, but safety hazards increase due to exposure to acid-containing water and wafer damage occurs
Solution Approach 1:
An automated handling system serves as an intermediary between the degumming process and wafer insertion, eliminating direct human contact with hazardous acid-containing water while maintaining operational control. The system includes automated transport mechanisms and robotic handlers that safely manage wafer movement through the processing line.
Solution Approach 2:
Manual mechanical handling is replaced with automated mechanical systems including robotic grippers, automated transport conveyors, and programmable positioning mechanisms. This substitution eliminates human exposure to hazards while providing precise, controlled wafer handling that reduces damage risk.
2Ease of operation
If manual transportation of silicon wafers is used, then operational flexibility is maintained, but manufacturing precision deteriorates due to chipping and cracking
Solution Approach 1:
Manual handling operations are replaced with automated robotic systems that provide consistent, precise control over wafer movement. These systems use specialized grippers and transport mechanisms designed to handle fragile wafers without causing mechanical damage, ensuring high manufacturing precision throughout the process.
Solution Approach 2:
The system controls critical parameters such as handling force, transport speed, and positioning accuracy to optimize wafer integrity. By precisely controlling these parameters, the automated system prevents chipping and cracking while maintaining operational flexibility through programmable adjustments.
3Device complexity
If manual transportation and separate degumming process are used, then process simplicity is maintained, but productivity decreases due to long transportation time and gaps between wafers
Solution Approach 1:
The degumming process and wafer insertion operations are merged into an integrated automated system. The system combines degumming tanks, transport mechanisms, and insertion stations into a coordinated workflow that eliminates separate manual handling steps, reducing cycle time and improving productivity while maintaining manageable system complexity through modular design.
Solution Approach 2:
The automated system enables continuous processing by eliminating idle transportation time and maintaining constant workflow between degumming and insertion operations. Wafers are continuously transported and processed without gaps, maximizing equipment utilization and production efficiency.
4Reliability
If manual handling with elastic clips is used, then wafer containment is achieved, but device complexity increases and productivity decreases due to multiple transfer steps
Solution Approach 1:
The intermediate elastic clip transfer mechanism is extracted and replaced with a direct automated handling system. The system uses specialized robotic grippers and conveyors that can directly transport wafers from degumming to insertion without requiring intermediate containment devices, reducing device complexity while maintaining reliable wafer containment through controlled gripping and positioning.
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 device automates the degumming and inserting of silicon wafers, reducing human exposure to hazardous materials, minimizing defects, and enhancing operational efficiency by eliminating manual handling and ensuring precise separation and processing of fragile wafers.
Implementation Method 1
the spraying component is capable of spraying water on the plurality of silicon wafers to separate adjacent two of the plurality of silicon wafers
Data Source
AI summary
The present disclosure provides a device (300) for degumming and inserting silicon wafers and method for processing silicon wafers. The device (300) for degumming and inserting silicon wafers includes a material frame (1), a grabbing mechanism (2), a degumming mechanism (3), an unlocking mechanism (8) and an inserting mechanism (4). The material frame (1) is configured for placing and clamping a plurality of silicon wafers (100) bonded with a support (200), the grabbing mechanism (2) is configured for grabbing and transferring the material frame (1) or the support (200), the degumming mechanism (3) is configured for degumming the plurality of silicon wafers (100) from the support (200), the unlocking mechanism (8) is configured for releasing clamping and fixing of the material frame (1) on the plurality of silicon wafers (100), and the inserting mechanism (4) is configured for splitting the degummed plurality of silicon wafers (100).