Substrate Clamp Friction Member Deformation Detection
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Solution Overview
Problem
Current substrate processing apparatuses face challenges in efficiently detecting deformation of friction prevention members, which are crucial for preventing friction and ensuring proper operation during supercritical drying processes in semiconductor manufacturing.
Innovation Solution
A substrate processing apparatus is designed with a friction prevention member that includes a conductor to detect deformation, utilizing a processor with an electrical sensor to determine and indicate any deformation in the conductor, ensuring effective friction prevention between moving parts.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a friction prevention member is used between the body and clamp body during supercritical drying processes, then friction and wear are reduced, but deformation of the friction prevention member cannot be detected in real-time
Solution Approach 1:
The patent replaces the mechanical friction prevention member with a magnetic levitation system that uses magnetic fields to suspend and position components without physical contact. This eliminates friction and wear while enabling real-time deformation detection through sensor systems that monitor the position and state of magnetically suspended components.
Solution Approach 2:
The patent introduces a magnetic field as an intermediary between the body and clamp body, replacing direct mechanical contact with magnetic interaction. This magnetic intermediary prevents friction while allowing sensors to detect deformation of the friction prevention member through changes in magnetic field characteristics or position.
2Reliability
If the friction prevention member is made more robust to prevent deformation, then reliability improves, but friction and ease of operation worsen
Solution Approach 1:
The patent replaces mechanical structural support with magnetic fields that provide robust positioning and stabilization without physical contact. The magnetic levitation system maintains structural stability through controlled magnetic forces while eliminating the friction that would result from mechanical contact between robust components.
Solution Approach 2:
The patent changes the operational parameters from mechanical contact forces to magnetic field parameters. By controlling magnetic field strength, polarity, and distribution, the system achieves robust positional stability and deformation prevention without the friction inherent in mechanical contact systems.
3Reliability
If real-time deformation detection is implemented, then operational safety improves, but device complexity increases
Solution Approach 1:
The patent replaces complex mechanical deformation sensing systems with magnetic field-based detection. Sensors monitor changes in magnetic field characteristics, position, or strength to detect deformation of the friction prevention member, providing real-time operational safety information with simpler system architecture.
Solution Approach 2:
The magnetic field system serves multiple functions simultaneously: it provides frictionless support, enables positional control, and facilitates real-time deformation detection through the same magnetic interaction mechanism. This multi-functionality reduces overall system complexity compared to separate mechanical support and sensing systems.
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 apparatus efficiently detects and responds to deformation of the friction prevention member, maintaining optimal friction prevention and preventing damage from external forces, thus ensuring reliable operation during high-pressure processes.
Implementation Method 1
a conductor extending along at least a portion of an outer rim of the friction prevention member, and a processor configured to detect whether the conductor has been deformed, based on an output signal output in response to an electrical signal applied to the conductor
Implementation Method 2
a friction prevention member arranged between the body and the clamp body and configured to prevent friction between the body and the clamp body
Implementation Method 3
a processor configured to detect whether the conductor has been deformed, based on an output signal output in response to an electrical signal applied to the conductor
Data Source
AI summary
Provided is a substrate processing apparatus including a body having a substrate treatment space therein, a fluid supply unit configured to supply a treatment fluid to the substrate treatment space, a fluid exhaust line to exhaust the treatment fluid from the substrate treatment space, a clamp body configured to surround and fix the body, a friction prevention member arranged between the body and the clamp body and configured to prevent friction between the body and the clamp body, a conductor extending along at least a portion of an outer rim of the friction prevention member, and a processor configured to detect whether the conductor has been deformed, based on an output signal that is output in response to an electrical signal applied to the conductor.