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Cohu's Delta Design Unit Announces Its New ETC2000 Engineering Thermal Control System

POWAY, Calif., March 29, 2002 -- Cohu, Inc. (NASDAQ:COHU) through its Delta Design unit announced today its new ETC2000 Engineering Thermal Control system for high performance logic ICs. The ETC2000 is based upon Delta Designs proprietary Active Temperature Control technology and replaces Deltas existing ETC1000 thermal control system for engineering applications. "The ETC2000 handles the thermal management needs of advanced microprocessors and other high-performance logic devices", stated Kevin McFadden, Marketing Manager for Thermal Products. "It delivers significant performance improvements while at the same time contributing to lower cost of test".

Precise thermal control is essential for manufacturers of high-performance ICs to determine the true performance of their devices. The ETC2000 is PC-based and incorporates the proprietary thermal technologies that have made Delta a leader in active temperature control systems. Powerful data acquisition and real-time display tools enable product and test engineers to visualize power and temperature conditions during test, helping to reduce the characterization cycle for new devices. The system operates in a setpoint range from -40 to +150°C and can handle device power densities exceeding 100 watts per square centimeter.

"With the introduction of the ETC2000, Delta now offers turnkey thermal solutions for both engineering and production environments," said Colin Scholefield, Senior Vice President. "Delta is able to provide a single source for IC thermal management requirements during characterization and production testing."

Certain matters discussed in this release concerning the Companys new product development are forward-looking statements that are subject to risks and uncertainties that could cause actual results to differ materially from those projected or forecasted. Such risks and uncertainties include, but are not limited to, the Companys ability to convert new products under development into production on a timely basis, support product development and meet customer delivery and acceptance requirements for next generation equipment; the effect of competitive products; the concentration of revenues in a limited number of customers; and other risks addressed in the Companys filings with the Securities and Exchange Commission including the most recently filed Form 10-K and Form 10-Q. The Company assumes no obligation to update the information in this report.

Cohu, through its Delta Design subsidiary, is a leading supplier of test handling solutions used by the global semiconductor industry, as well as a supplier of closed circuit television, metal detection and microwave communications equipment.

For press releases and other information of interest to investors, please visit Cohus website at www.cohu.com. Contact: John Allen - Investor Relations (858) 848-8106.