PCB Design EMC Analysis Before Physical Prototyping

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Solution Overview

Problem

The traditional PCB development process is time-consuming and resource-intensive due to the need for multiple prototype iterations to address electromagnetic compatibility (EMC) issues, which are typically identified after prototype creation.

Innovation Solution

A method to analyze PCB designs using EMC information derived from design files, allowing for the identification and resolution of EMC issues before prototype creation, utilizing human experts, static algorithms, or machine learning algorithms to provide feedback for design improvements.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If multiple prototype PCBs are created and tested to identify EMC issues, then EMC compliance is achieved, but development time and cost increase significantly

Engineering Contradiction:
ImproveEMC complianceVSAvoiddevelopment time
Core Design Contradiction:
ReliabilityVSLoss of time

Solution Approach 1:

The patent applies preliminary action by performing EMC analysis on the PCB design file before any prototype is manufactured. The system extracts design parameters from the PCB design file, simulates electromagnetic fields, and identifies potential EMC issues in the virtual design stage, allowing corrections to be made before physical prototyping begins.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The patent uses copying by creating a virtual model of the PCB from its design file and performing EMC simulations on this digital copy. This virtual prototype allows comprehensive EMC testing and analysis without requiring multiple physical prototypes, thereby reducing development time and resource consumption.

Inventive Principle:
Principle #26Copying

2Reliability

If multiple prototype PCBs are created and tested to identify EMC issues, then EMC compliance is achieved, but resource consumption increases

Engineering Contradiction:
ImproveEMC complianceVSAvoidresource consumption
Core Design Contradiction:
ReliabilityVSLoss of substance

Solution Approach 1:

The system performs EMC analysis in advance during the design phase using computational simulations. By identifying and resolving EMC issues before manufacturing, the need for multiple prototype iterations is eliminated, thereby conserving materials, reducing waste, and lowering resource consumption associated with manufacturing and testing physical prototypes.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The patent replaces physical prototypes with a virtual digital model for EMC testing. This copying approach allows unlimited simulations and iterations on the digital model without consuming additional physical resources such as copper traces, substrates, or electronic components that would be required for each physical prototype.

Inventive Principle:
Principle #26Copying

3Reliability

If multiple prototype PCBs are created and tested to identify EMC issues, then EMC compliance is achieved, but development cost increases

Engineering Contradiction:
ImproveEMC complianceVSAvoiddevelopment cost
Core Design Contradiction:
ReliabilityVSLoss of energy

Solution Approach 1:

The patent performs EMC analysis during the design phase using computational simulations before any manufacturing occurs. This preliminary identification and resolution of EMC issues prevents costly rework, material waste, and repeated manufacturing cycles, thereby significantly reducing overall development costs while ensuring EMC compliance.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The system uses a virtual digital model of the PCB for EMC simulations, replacing the need for multiple expensive physical prototypes. This copying approach eliminates recurring manufacturing costs, testing facility expenses, and material costs associated with each prototype iteration, making the development process more cost-effective.

Inventive Principle:
Principle #26Copying

Data Source

PatentUS20250232102A1Method of analyzing a printed circuit board, system, computer program product, and computer-readable storage medium
Publication Date: 2025.07.17 DENPAFLUX GMBH
  • US20250232102A1 patent drawing
  • US20250232102A1 patent drawing
  • US20250232102A1 patent drawing

AI summary

In an embodiment a method for analyzing a printed circuit board (PCB) design includes obtaining a PCB design file from a user, wherein the PCB design file comprises a design of a PCB, determining electromagnetic compatibility (EMC) information of the PCB based on the design of the PCB of the obtained PCB design file, analyzing the EMC information to determine whether at least one EMC issue is detected in the EMC information, and determining feedback information based on a result of the analyzing of the EMC information.