Floating Terminal Assembly With Interdigital Capacitance for Low Reactance

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Solution Overview

Problem

Conventional floating connector devices for high-frequency signal transmission suffer from high inductive reactance due to floating terminals in air, which compromises their floating performance and signal reliability.

Innovation Solution

A floating terminal assembly with a design featuring a fixing portion, floating bending portion, and electrically abutting portion, incorporating protruding fingers that form interdigital structures to create inter-capacitance zones, neutralizing inductive reactance and enhancing floating performance while maintaining signal reliability.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If floating terminals are used in conventional floating connector devices, then floating performance between connectors is ensured, but inductive reactance generated by the terminal in signal transmission process becomes high

Engineering Contradiction:

Improvefloating performanceVSAvoidinductive reactance

Core Design Contradiction:

ReliabilityVSObject-generated harmful factors

Solution Approach 1:

The patent changes the physical parameters of the terminal by adding protruding fingers that form interdigital structures. This structural modification creates inter-capacitance zones that alter the electrical characteristics, specifically reducing inductive reactance while preserving floating performance through controlled parameter changes in the terminal geometry

Inventive Principle:

Principle #35Parameter changes

Solution Approach 2:

The patent converts the harmful inductive reactance into a beneficial effect by creating inter-capacitance zones through interdigital structures. The protruding fingers form capacitive coupling that counteracts the inductive effects, transforming the harmful inductance into useful capacitance for high-frequency signal transmission

Inventive Principle:

Principle #22Blessing in disguise (Convert harm into benefit)

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 interdigital structure in the floating terminal assembly reduces inductive reactance to a preset target value, improving floating performance and ensuring reliable signal transmission.

Implementation Method 1

an inter-capacitance zone is formed between the first protruding finger and the second protruding finger

Methodology Applied

Scientific EffectCapacitance: Capacitance

Implementation Method 2

the interdigital structure in the floating terminal assembly reduces inductive reactance to a preset target value

Methodology Applied

Scientific EffectInductive reactance neutralization: Electromagnetic Induction

Data Source

PatentUS20260011956A1Floating Terminal Assembly, Female Connector, and Floating Connection Device

Publication Date: 2026.01.08 RESERCH ON ELECTRICAL APPLIANCES OF SHANGHAI ASTRONAUTICS CO LTD

AI summary

In one aspect, a floating terminal assembly includes a floating terminal, a first protruding finger, and a second protruding finger. The floating terminal includes a fixing portion, a floating bending portion, and an electrically abutting portion that are sequentially connected. The fixing portion and the floating bending portion cooperatively enclose a first floating opening region. The floating bending portion includes a plurality of bending corner structures. The first protruding finger is positioned in the first floating opening region, one end of the first protruding finger is connected to the fixing portion, and another end of the first protruding finger is suspended in the first floating opening region. An inter-capacitance zone is formed between the first protruding finger and the second protruding finger.