Susceptor Leveling With Flexible Shaft Adjustment and Automation
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Solution Overview
Problem
Conventional methods for leveling susceptor heaters in semiconductor manufacturing are manual, tedious, and difficult due to tight and crowded spaces, making them inefficient and challenging to access.
Innovation Solution
A susceptor with adjustment mechanisms coupled to its shaft, featuring a flexible rotary shaft and motors to rotate adjustment mechanisms for horizontal and vertical movement, along with a controller and sensing system for automated leveling.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If manual leveling methods are used, then operators can adjust each leveler individually, but the process becomes tedious and time-consuming due to tight and crowded spaces making them difficult to access
Solution Approach 1:
The patent replaces manual mechanical adjustment with an automated control system that uses sensors to detect susceptor position and automatically actuates the adjustment mechanisms, eliminating the need for operators to manually access and adjust each leveler in the crowded space
Solution Approach 2:
The system enables self-leveling through automated sensors and actuators that detect and correct susceptor positioning without human intervention, allowing the equipment to service itself by automatically adjusting the levelers based on real-time position feedback
2Manufacturing precision
If manual adjustment methods are used, then operators can take measurements after each adjustment, but the tight and crowded spaces make the adjustment mechanisms difficult to access
Solution Approach 1:
The patent replaces manual mechanical operation with automated actuators controlled by a control system, allowing precise adjustment of the levelers without requiring operators to physically access the difficult-to-reach adjustment mechanisms in the crowded space
Solution Approach 2:
The patent introduces automated actuators as intermediaries between the control system and the adjustment mechanisms, enabling precise control of the levelers without requiring direct manual access to the adjustment mechanisms located in tight and crowded spaces
3Productivity
If automated leveling is implemented, then efficiency and accuracy are improved, but the device complexity increases with motors, flexible shafts, and controllers
Solution Approach 1:
The patent employs a control system that integrates multiple functions including position detection, calculation of required adjustments, and coordinated actuation of multiple levelers, allowing a single automated system to perform what previously required multiple manual operations
Solution Approach 2:
The patent combines the detection, calculation, and actuation functions into an integrated automated leveling system, merging multiple separate operations into a coordinated automated process that improves efficiency despite increased device complexity
Data Source
AI summary
Various embodiments of the present technology may provide a susceptor with adjustment mechanisms coupled to the shaft of the susceptor. A flexible rotary shaft may be coupled to the adjustment mechanism, and a motor may be connected to the flexible rotary shaft to rotate the adjustment mechanism. The adjustment mechanism may be one that moves susceptor in a horizontal direction or one that moves the susceptor in a vertical direction.