Thermal RC Network for Electronic Design Analysis
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Solution Overview
Problem
Conventional thermal analysis methods for electronic designs are inefficient and computationally intensive, particularly in addressing interconnect reliability and thermal behavior in advanced technology nodes, where electro-migration and electromagnetic interference pose significant challenges, and current approaches often require extensive computational resources and are performed after design completion.
Innovation Solution
A method for implementing electronic designs with thermal analyses that generates a thermal RC network for the electronic design and its surrounding medium, integrating equivalent thermal circuit elements to analyze thermal behaviors and interactions, allowing for efficient determination of thermal characteristics and heat transfer mechanisms without the need for full-fledged computational fluid dynamics analysis.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If conventional steady-state or transient thermal analyses using finite element methods or finite difference methods are performed, then thermal behavior can be analyzed, but the analysis is time consuming and computationally intensive
Solution Approach 1:
The patent creates an equivalent thermal circuit model that copies the essential thermal behavior of the electronic design without requiring full-fledged computational fluid dynamics analysis. This equivalent model uses thermal resistors and capacitors to represent thermal conduction and storage, providing accurate thermal analysis results with significantly reduced computational time and resources
Solution Approach 2:
The patent replaces the mechanical/numerical system of finite element methods and finite difference methods with an electrical circuit analog system. By substituting thermal conduction with electrical resistance and thermal storage with electrical capacitance, the analysis becomes computationally efficient while maintaining accuracy, allowing rapid thermal behavior prediction during design stages
2Measurement precision
If conventional conjugate thermal analysis approach iterating between heat transfer equation and computational fluid dynamics equations is used, then thermal interactions can be characterized, but large amounts of computational resources are consumed
Solution Approach 1:
The patent creates an equivalent thermal circuit model that copies the essential thermal behavior of the electronic design without requiring full-fledged computational fluid dynamics analysis. This equivalent model uses thermal resistors and capacitors to represent thermal conduction and storage, providing accurate thermal analysis results with significantly reduced computational time and resources
Solution Approach 2:
The patent extracts only the essential thermal characteristics from the complex conjugate heat transfer problem by identifying key thermal resistance and capacitance values. This extraction approach captures the dominant thermal behaviors while eliminating the need for computationally intensive full CFD analysis, reducing resource consumption while maintaining necessary accuracy
3Reliability
If thermal analyses are performed after electronic designs are completed, then thermal issues can be identified, but the design process is delayed and modifications become more difficult
Solution Approach 1:
The patent enables thermal analysis to be performed during the design stage by using equivalent thermal circuit models that can be integrated into the design flow. This preliminary thermal analysis identifies potential thermal issues early, allowing designers to make modifications before fabrication, thereby improving reliability without sacrificing design efficiency or productivity
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 computational resource utilization and allows for accurate thermal analysis during the design stage, improving interconnect reliability and thermal management by capturing thermal interactions between electronic designs and their surroundings, thus enhancing design efficiency and performance.
Implementation Method 1
thermal RC network may be performed for an electronic design. A thermal network may be generated for the electronic design and one or more surrounding media of the electronic design
Implementation Method 2
thermal behaviors of the electronic design and thermal interactions between the electronic design and the one or more surrounding media may be determined
Data Source
AI summary
The described techniques implement electronic designs with thermal analyses of the electronic design and its surrounding medium by performing thermal modeling that determines at least a thermal RC network for an electronic design. These techniques further generate a thermal network for the electronic design and one or more surrounding media of the electronic design and generate or modify the electronic design with an implementation process at least by guiding the implementation process based in part or in whole upon results of performing one or more thermal analysis on the thermal network.