Used Probers for sale
Probers, also known as wafer probers, are fundamental tools used in the semiconductor industry to test and evaluate the performance of integrated circuits (ICs) prior to their assembly onto a final product. These precision instruments allow for the accurate positioning and testing of individual chips or wafers, ensuring their functionality and quality. Probers consist of a mechanical stage, known as a chuck, which holds and positions the wafer under test. The chuck can move in multiple axes to align the probes with specific test points on the wafer. The probes are conductive pins that make contact with the circuits on the wafer, facilitating electrical measurements and functional testing. The main purpose of a prober is to establish an electrical connection between the test equipment and the circuits on the wafer. This enables various tests, such as voltage measurement, current measurement, signal integrity analysis, and device characterization. Probers need to exhibit high precision, stability, and repeatability to ensure accurate testing results. They often incorporate advanced features such as multiple probes, automatic alignment, and programmable movements. They are also equipped with advanced software interfaces that allow for easy integration with other testing equipment and data analysis systems. In addition to wafer testing, probers can also be used for a range of other applications, such as MEMS (Micro-Electro-Mechanical Systems) testing, LED wafer testing, and sensor testing. Overall, probers play a critical role in the semiconductor industry by enabling efficient and reliable testing of ICs and facilitating their quality and performance before being integrated into complex electronic devices.
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