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Technoprobe S.p.A.
Technoprobe makes the tiny probe cards that test semiconductor chips before they are shipped to customers.
Technoprobe makes probe cards — the delicate interface that connects a tester to a silicon chip so the chip can be checked before it ships. Every chipmaker needs to know whether each chip works before it gets packaged and sold, and that is done by pressing a card full of microscopic needles against the chip's pads and running electrical signals through it. Technoprobe designs and builds those cards and the related test interfaces, and sells them to chipmakers around the world.
The business sits in a peculiar spot in the chip supply chain. Technoprobe does not make chips and does not make the testers; it makes the consumable that sits between them. Probe cards wear out, so they are ordered again and again, which gives the company a recurring stream of demand tied to how many chips the world produces. Its customers are the big chipmakers — TSMC and Intel among them — and the cards must be custom-designed for each chip, which makes the work engineering-heavy and sticky once a chipmaker has qualified a supplier. A probe card is a small engineering marvel. As chips have shrunk, the pads on them have become tinier and more numerous, and a single card may need thousands of fine contacts that line up perfectly. That is why probe cards are often among the last things to be ready for a new chip, and why the supplier relationship matters. Technoprobe is one of the largest players in this niche, competing with firms like FormFactor (FORM) and MJC, and it has been investing in advanced probe technologies for high-performance chips used in AI and data centers.
The company is based near Milan and listed on the Milan exchange. It is still run with a strong founder influence, and its economics are attractive when chip volumes are strong: high margins, specialized know-how, and a customer base that rarely switches. The catch is cyclicality — when chip demand cools, probe card orders cool with it, and the stock can swing hard. It is a small, focused supplier whose fortunes rise and fall with the health of the semiconductor industry.
Saved answer · last researched 12 Nov 2026