How Cohu evolved into its modern technology business

Cohu was founded in 1947 and over decades evolved from a diversified electronics business into a specialist supplier to the semiconductor manufacturing industry.

How Cohu developed

Through product development and acquisitions, it assembled technologies for chip testing, automated handling, inspection, metrology and interfaces used between devices and test equipment.

Cohu in 2026

By 2026, Cohu provided semiconductor test and inspection equipment, handlers, contactors and related services across global chip-manufacturing markets.

Why the history matters

Its portfolio covers the back end of semiconductor production, where chips must be tested and handled at high speed before they can be packaged into electronics.

This profile was checked against company disclosures, regulatory filings and reputable independent or industry sources where applicable. Information reflects public material available on 18 September 2026.