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What is probePROBE

When manufacturing an IC (semiconductor integrated circuit), the Test fixture called a probe card is used to electrically test the IC. This IC is formed on a silicon wafer in a wafer testing process. The wire probe is a needle shaped part built into this Test fixture, which acts like a connector that connects the electrode of the IC chip to the measuring instrument.

Wire probe

Wire probe

It is a probe using a vertical contact deflection of ultra fine tungsten wire, as contact force.It is used for narrow pitch fixtures.

Double-side probe

Double-side probe

The double-side probe was developed instead of the conventional separated type spring probe. It also corresponds to IC socket and probe card for TAB inspection, which reduces cost of PCB test fixture.

Spring probe

Spring probe

This type's probe and socket are separated. A spring is incorporated in the probe, and spring pressure is used for contact force. It is used for fixtures with relatively wide pitch.

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