Pogo Pin Attaching Device With Spiral Spring Loop For Testing System Expansion

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Solution Overview

Problem

Automatic testing systems face limitations in supporting future upgrades and signal acquisition due to hardware constraints and lack of expansion slots, leading to inefficient debugging and maintenance processes.

Innovation Solution

A pogo pin attaching device with a spiral spring loop and fastening member, which provides secure and reversible attachment for expansion instruments without modifying the original system design, allowing for flexible expansion and real-time signal acquisition.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If expansion instruments are directly connected to probe cards, then functional expansion is achieved, but wiring becomes messy and maintenance complexity increases

Engineering Contradiction:
Improvefunctional expansionVSAvoidwiring complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent introduces a probe card extension board as an intermediary device between the probe card and expansion instruments. This extension board provides standardized connection interfaces and organized wiring paths, eliminating the messiness of direct connections while maintaining functional expansion capabilities. The extension board acts as a mediator that simplifies the overall system architecture.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Adaptability or versatility

If probe cards are modified for expansion, then integration capability is improved, but manufacturing cost increases and original design is compromised

Engineering Contradiction:
Improveintegration capabilityVSAvoidmanufacturing cost
Core Design Contradiction:
Adaptability or versatilityVSEase of manufacture

Solution Approach 1:

The patent segments the expansion functionality into a separate probe card extension board rather than modifying the original probe card. This segmentation allows the original probe card to remain unchanged for mass production, while the extension board can be separately manufactured and attached only when expansion is needed. This reduces manufacturing costs and preserves the original design integrity.

Inventive Principle:
Principle #1Segmentation

3Ease of operation

If pogo pin interface is used for attachment, then ease of connection is improved, but contact reliability may deteriorate due to disengagement

Engineering Contradiction:
Improveconnection easeVSAvoidcontact reliability
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

The patent employs spiral spring loops with curved geometry to attach to the pogo pin interface. The spiral shape provides continuous contact through elastic deformation, ensuring reliable electrical connection while maintaining ease of attachment. The curved structure allows the spring loop to flex and conform to the pogo pin, preventing disengagement while preserving simple connection operations.

Inventive Principle:
Principle #14Spheroidality (Curvature)

4Adaptability or versatility

If multiple expansion slots are provided in original design, then adaptability is improved, but manufacturing cost increases

Engineering Contradiction:
ImproveexpandabilityVSAvoidmanufacturing cost
Core Design Contradiction:
Adaptability or versatilityVSEase of manufacture

Solution Approach 1:

Instead of providing multiple expansion slots in the original probe card design, the patent implements a modular approach where a single extension board can be attached as needed. This partial action approach provides expandability only when required, avoiding the unnecessary cost of incorporating multiple unused expansion slots in the base design. The system achieves full expandability potential through optional attachment of extension boards.

Inventive Principle:
Principle #16Partial or excessive 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

Ensures reliable and reversible attachment with low risk of damage, reduces contact resistance, and enables maximum expandability without requiring additional ports, facilitating efficient debugging and system upgrades.

Implementation Method 1

The spiral spring loop is elastic in nature. The spiral spring loop may be elastically deformed in response to force exerted upon the auxiliary device.

Methodology Applied
Scientific EffectElasticity: Elasticity

Implementation Method 2

a pogo pin attaching device including at least one spiral spring loop

Methodology Applied
Scientific EffectSpring: Spring

Data Source

PatentUS11567102B2Auxiliary device for functional expansion and signal acquisition of testing system
Publication Date: 2023.01.31 CHANG CHIEN WEN
  • US11567102B2 patent drawing
  • US11567102B2 patent drawing
  • US11567102B2 patent drawing

AI summary

An auxiliary device for functional expansion and signal acquisition of a testing system is provided with a pogo pin attaching device including at least one spiral spring loop, at least one fastening member, and at least one cable. The fastening member includes at least one limiting hole and at least one fastening hole. The spiral spring loop is disposed in the limiting hole. The cable passes through the fastening hole to electrically connect to the spiral spring loop.