FOR IMMEDIATE RELEASE

NATICK, MA December 05, 2007

Cognex Offers Vision-Based Wafer Pre-Alignment

A must for high-speed handling and sorting equipment

Natick, MA, December 5, 2007—Cognex Corporation (NASDAQ - CGNX), the world's leading supplier of machine vision systems and wafer readers to the semiconductor industry, today announced at SEMICON Japan the In-Sight® 1820 vision-based wafer pre-aligner. Utilizing proprietary Cognex NotchMaxTM alignment technology, the 1820 vision system provides precise non-contact measurement of wafer position and orientation that is faster and more accurate than comparably priced mechanical systems.

The In-Sight 1820 determines wafer position and orientation in less than half a second while mechanical pre-aligners must typically spin wafers for several seconds. NotchMax, the newest member of Cognex industry-leading PatMax® family of geometric pattern finding technologies, aligns wafers with a center position accuracy of +/- 15μm and an orientation accuracy of +/- 0.05 degrees. More accurate pre-alignment saves fine alignment steps inside a process tool to boost throughput.

“Cognex is the world leader in semiconductor high-precision wafer alignment, and the In-Sight 1820 leverages that experience to bring world-class Cognex vision technology to the wafer pre-alignment process,” said Marilyn Matz, Cognex Senior VP, Vision Software. “In addition to throughput and accuracy gains, capital  equipment manufacturers will appreciate the system’s ability to handle changing wafer sizes and types with simple parameter changes, while semiconductor fabs will like the non-contact design that minimizes wafer handling and potential damage to the wafer.”

The In-Sight 1820 is available now. For more information visit www.cognex.com/.

CONTACT:
ohn Lewis
>Public Relations Manager
Cognex Corporation
(508) 650-3140
john.lewis@cognex.com

About Cognex Corporation

Cognex Corporation (“the Company” or “Cognex”) invents and commercializes technologies that address some of the most critical manufacturing and distribution challenges. We are a leading global provider of machine vision products and solutions that improve efficiency and quality in high-growth-potential businesses across attractive industrial end markets. Our solutions blend physical products and software to capture and analyze visual information, allowing for the automation of manufacturing and distribution tasks for customers worldwide. Machine vision products are used to automate the manufacturing or distribution and tracking of discrete items, such as mobile phones, electric vehicle batteries and e-commerce packages, by locating, identifying, inspecting, and measuring them. Machine vision is important for applications in which human vision is inadequate to meet requirements for size, accuracy, or speed, or in instances where substantial cost savings or quality improvements are maintained.

Cognex is the world's leader in the machine vision industry, having shipped more than 4 million image-based products, representing over $10 billion in cumulative revenue, since the company's founding in 1981. Headquartered in Natick, Massachusetts, USA, Cognex has offices and distributors located throughout the Americas, Europe, and Asia. For details, visit Cognex online at www.cognex.com.

Contact:
Nathan McCurren
Head of Investor Relations
Cognex Corporation
ir@cognex.com

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