Reinforced Probe Tip Structure to Prevent Detachment Under Abrasion
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Solution Overview
Problem
Existing probes used for inspecting electrical characteristics of semiconductor integrated circuits face issues with detachment of the tip member from the main body due to abrasion during contact with the inspection object or land.
Innovation Solution
A probe design featuring a tip member with a higher hardness than the main body, embedded in the end portion, and reinforced by a reinforcing member on the side surface of the main body to prevent detachment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If a tip member made of hard material is embedded in the end portion of the main body to suppress abrasion, then abrasion resistance is improved, but the tip member may detach from the main body
Solution Approach 1:
The probe is divided into distinct functional segments: a hard tip member for abrasion resistance, a main body for structural support, and a reinforcing member specifically positioned at the interface region. This segmentation allows each component to optimize its function while the reinforcing member prevents detachment by providing additional mechanical interlocking or bonding support at the critical junction between tip member and main body.
Solution Approach 2:
The probe employs a composite structure combining materials with different properties: a hard material for the tip member to resist abrasion, and a reinforcing member made of a different material that provides enhanced mechanical strength and bonding at the interface. This composite approach allows the system to simultaneously achieve both abrasion resistance and attachment reliability by leveraging the complementary strengths of different materials.
2Object-affected harmful factors
If the tip member is embedded in the end portion of the main body, then abrasion at the contact portion is reduced, but the structural stability of the embedded region may be compromised
Solution Approach 1:
The reinforcing member is pre-installed or pre-positioned at the embedded region before the tip member is subjected to operational stresses. This preliminary reinforcement ensures that the structural stability is established in advance, preventing potential detachment or structural failure that could occur during normal use when the tip member experiences abrasion and mechanical loading.
Solution Approach 2:
The reinforcing member is specifically positioned only at the embedded region where structural stability is most critical, rather than uniformly throughout the entire main body. This localized reinforcement provides enhanced structural support precisely where the tip member interfaces with the main body, maintaining structural stability without unnecessarily increasing the overall complexity or weight of the probe.
Data Source
AI summary
A probe includes: a tip member including a contact portion and a base end portion connected to the contact portion; a main body in which the base end portion is embedded in an end portion; and a first reinforcing member arranged on a side surface of the main body so as to overlap with at least a part of the base end portion. The base end portion is embedded in the end portion of the main body so as to expose the contact portion. The first reinforcing member is continuously arranged on a side surface of the main body from an embedded region in which the base end portion is embedded to a region around the embedded region.