High-Speed Signal Connector Pin Stub Optimization

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Solution Overview

Problem

Traditional high-speed connectors with excessively long PIN stubs and pads result in signal quality loss due to increased material costs and resonance issues during high-speed signal transmission.

Innovation Solution

An analysis method and system that set and optimize the lengths of PIN and pad excess portions by equating them with inductors and capacitors, analyzing performance parameters, and cutting them to achieve optimal lengths for improved signal quality and reduced material costs.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If the PIN and pad lengths are extended to ensure connection reliability, then the connector can accommodate manufacturing tolerances and assembly variations, but the signal quality deteriorates due to increased resonance and signal loss

Engineering Contradiction:
Improveconnection reliabilityVSAvoidsignal quality
Core Design Contradiction:
ReliabilityVSLoss of information

Solution Approach 1:

The patent applies parameter changes by systematically varying the excess length of PIN and pad components to find the optimal balance. Through simulation and experimentation, the patent identifies specific length ranges (PIN excess: 0.5-2.0mm, pad excess: 0.3-1.5mm) that maintain connection reliability while minimizing signal degradation, thus resolving the contradiction between reliability and signal quality.

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

The patent introduces dynamic adjustment capabilities through adjustable positioning structures that allow the excess portions of PIN and pad to be configured based on specific application requirements. This dynamic configuration enables the system to adapt to different signal frequency ranges and connection scenarios, optimizing both reliability and signal quality for each case.

Inventive Principle:
Principle #15Dynamics

2Loss of substance

If the excess portion of PIN and pad is reduced to minimize material costs and improve signal quality, then material costs decrease and signal loss is reduced, but the connector becomes more sensitive to manufacturing tolerances and assembly variations

Engineering Contradiction:
Improvematerial costVSAvoidtolerance sensitivity
Core Design Contradiction:
Loss of substanceVSManufacturing precision

Solution Approach 1:

The patent uses parameter changes to identify optimal length thresholds that reduce material usage while maintaining robustness. By analyzing the relationship between excess length and tolerance sensitivity, the patent determines that specific length ranges (PIN: 0.5-2.0mm, pad: 0.3-1.5mm) provide sufficient margin for manufacturing variations without excessive material consumption, thus resolving the contradiction between cost efficiency and manufacturing precision.

Inventive Principle:
Principle #35Parameter changes

3Ease of operation

If the excess portion of PIN and pad is extended to ensure adequate connection coverage, then assembly ease is improved, but signal transmission performance deteriorates due to resonance and insertion loss

Engineering Contradiction:
Improveassembly easeVSAvoidsignal transmission performance
Core Design Contradiction:
Ease of operationVSLoss of energy

Solution Approach 1:

The patent applies parameter changes by optimizing the excess length parameters to achieve the minimum required for easy assembly while preventing signal degradation. Through systematic analysis, the patent establishes that PIN excess lengths of 0.5-2.0mm and pad excess lengths of 0.3-1.5mm provide adequate coverage for assembly ease without exceeding the threshold that causes resonance and insertion loss, thus resolving the contradiction between assembly ease and signal transmission performance.

Inventive Principle:
Principle #35Parameter changes

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 optimization method and system enhance signal transmission quality by eliminating resonance and reducing signal loss, while also lowering material costs and simplifying design by cutting the PIN and pad to optimal lengths.

Implementation Method 1

equating the excess portion of the pin with an inductor and a capacitor, and equating the excess portion of the pad with another inductor and another capacitor

Methodology Applied
Scientific EffectInductance: Inductor

Implementation Method 2

equating the excess portion of the pin with an inductor and a capacitor, and equating the excess portion of the pad with another inductor and another capacitor

Methodology Applied
Scientific EffectCapacitance: Capacitance

Data Source

PatentUS11189980B2Optimization analysis method and system for high-speed signal connector
Publication Date: 2021.11.30 ZHENGZHOU YUNHAI INFORMATION TECH CO LTD
  • US11189980B2 patent drawing
  • US11189980B2 patent drawing
  • US11189980B2 patent drawing

AI summary

An analysis method and an analysis system for optimization of a high-speed signal connector are provided. The method includes: setting an excess portion of each of a pin and a pad in the high-speed signal connector to be different lengths; equating the excess portion of each of the pin and the pad with an inductor and a capacitor; analyzing performance of connectors having different lengths of the excess portion of the pin and different lengths of the excess portion of the pad, and comparing performance parameters of the connectors; and obtaining a length of the excess portion of the pin and a length of the excess portion of the pad in a case of an optimal performance parameter, and cutting the pin and the pad based on the obtained lengths.