Probe Apparatus Insulative Member Wire Contact Prevention
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Solution Overview
Problem
Existing probe apparatuses face challenges in resisting external forces while being miniaturized, as the closer spacing of electrically conductive wires increases the risk of unintended contact.
Innovation Solution
The probe apparatus incorporates a sensor with electrically conductive wires that have a connection portion for signal flow, and an insulative member covers parts of the wires closer to the tip than the connection portion, preventing contact between adjacent wires.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If the probe apparatus is miniaturized with smaller diameter wires and narrower spacing, then the device size is reduced, but the resistance to external force deteriorates due to increased risk of wire contact
Solution Approach 1:
An insulative member is introduced as an intermediary element between adjacent electrically conductive wires. This insulative member physically separates the wires and prevents direct contact, thereby maintaining reliability even when wires are closely spaced in a miniaturized probe apparatus.
Solution Approach 2:
The insulative coating is applied selectively to specific regions of the electrically conductive wires, particularly at portions where wires are in close proximity or where contact risk is highest. This localized application of insulative material provides targeted protection without requiring complete coating of all wire surfaces, enabling miniaturization while maintaining reliability.
2Reliability
If insulative members are added to prevent wire contact, then resistance to external force is improved, but device complexity increases
Solution Approach 1:
The insulative member is integrated with the electrically conductive wire structure, forming a unified component rather than a separate attachment. The insulative coating becomes part of the wire assembly itself, reducing the number of discrete parts and simplifying the overall device structure while maintaining reliability.
Solution Approach 2:
The insulative member serves multiple functions simultaneously: it provides electrical insulation to prevent wire contact, mechanically protects the conductive wire from damage, and maintains the structural integrity of the probe apparatus. This multi-functionality reduces the need for additional separate components, thereby reducing device complexity.
Data Source
AI summary
A probe apparatus includes a sensor including at least one element, a plurality of electrically conductive wires each of which has a connection portion at which electrical connection is made between the electrically conductive wire and the sensor so that a signal used in the sensor can flow through the electrically conductive wire, and an insulative member configured to cover at least one of the electrically conductive wires at a place nearer to a tip than the connection portion in the at least one electrically conductive wire. The insulative member having an electrical insulating property.