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All Information is subject to change without notice.
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4D Technology Corporation (4D),  a subsidiary of Onto Innovation,  makes the material on this website available on an “as is” basis. 4D makes no representations or warranties of any kind, express or implied, as to the operation of the site, the content, specifications, materials, or products presented on this site. 4D will not be liable for any damages of any kind arising from the use of this site, including but not limited to direct, indirect, incidental punitive, and consequential damages. The information and data contained in this website are subject to change without notice.

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4D Technology Corporation strives to present accurate, reliable information; however, all technical and performance specifications are presented on this site on an “as is” basis and are subject to change without notice.

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(520) 294-5600


3280 E Hemisphere Loop, Ste 146
Tucson, AZ 85706


Office Hours (Arizona Time)

Mon: 8am - 5pm
Tue: 8am - 5pm
Wed: 8am - 5pm
Thur: 8am - 5pm
Fri: 8am - 5pm
Sat: Closed
Sun: Closed

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