Cooling flow in substrate processing according to predicted cooling parameters

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Solution Overview

Problem

Conventional substrate processing systems expend excess energy due to unregulated coolant flow, leading to inefficient heat removal and potential component damage from excessive cooling.

Innovation Solution

Implement a system that predicts coolant flow parameters using a digital twin and machine learning models to regulate coolant flow based on process recipes, optimizing energy consumption and component temperature management.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Loss of energy

If unregulated coolant flow is used to remove heat from the processing chamber, then heat removal is achieved, but excess energy is consumed

Engineering Contradiction:
Improveenergy consumptionVSAvoidcomponent protection
Core Design Contradiction:
Loss of energyVSReliability

Solution Approach 1:

The coolant flow rate is made dynamic and adjustable based on real-time thermal conditions. The system continuously monitors temperature sensors and adjusts the coolant flow rate accordingly, transitioning from a static fixed flow rate to a dynamic adaptive flow rate that matches the actual cooling requirements of the processing chamber.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The system implements a feedback control mechanism where temperature sensors monitor the thermal state of the processing chamber and feed this information back to the control system. The control system then adjusts the coolant flow rate based on this feedback, creating a closed-loop control system that optimizes energy consumption while ensuring adequate cooling.

Inventive Principle:
Principle #23Feedback

2Reliability

If high coolant flow rate is used to ensure adequate cooling, then component protection is improved, but energy waste increases

Engineering Contradiction:
Improvecomponent protectionVSAvoidenergy waste
Core Design Contradiction:
ReliabilityVSLoss of energy

Solution Approach 1:

The system changes the operating parameters of the coolant flow based on thermal conditions. By adjusting the flow rate parameter dynamically according to temperature readings and process requirements, the system optimizes the balance between adequate cooling and energy consumption, avoiding both over-cooling and under-cooling scenarios.

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

The control system proactively adjusts coolant flow rates based on predicted thermal conditions and process requirements. By anticipating cooling needs before they become critical, the system can optimize energy consumption while ensuring components remain within safe temperature ranges, rather than reacting to overheating conditions.

Inventive Principle:
Principle #10Preliminary action

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 system conserves energy by adjusting coolant flow rates and temperatures according to predicted parameters, maintaining optimal processing chamber temperatures, reducing energy waste, and preventing component failure.

Implementation Method 1

The model includes a digital twin configured to represent thermal characteristics of the processing chamber

Methodology Applied
Scientific EffectThermal modeling:

Implementation Method 2

The processing chamber includes a cooling loop for coolant flow to remove heat

Methodology Applied
Scientific EffectHeat removal: Convection

Data Source

PatentUS20250354735A1Cooling flow in substrate processing according to predicted cooling parameters
Publication Date: 2025.11.20 APPLIED MATERIALS INC
  • US20250354735A1 patent drawing
  • US20250354735A1 patent drawing
  • US20250354735A1 patent drawing

AI summary

A method includes inputting data associated with a process recipe into a model representative of thermal characteristics of a processing chamber. The method further includes receiving, via the model, predicted data associated with a flow of coolant for cooling the processing chamber. The method further includes causing cooling of the processing chamber based on the predicted data.