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Ultratech Stepper, Inc., was founded in 1979 by Leo de Bos, located in Santa Clara, California. The product line consisted of 1x microlithography steppers, using a unique catadioptric lens design. Until 1992, Ultratech Stepper, Inc., was a subsidiary of General Signal. Previous presidents included Leo de Bos and George Rutland.
Stepper is short for step-and-repeat camera. The stepper emerged in the late 1970s but did not become widespread until the 1980s. This was because it was replacing an earlier technology, the mask aligner. Aligners imaged the entire surface of a wafer at the same time, producing many chips in a single operation.
The 10-second takeaway For the quarter ended June 29 (Q2), Ultratech missed estimates on revenues and missed estimates on earnings per share. Compared to Ultratech Misses on the Top and Bottom Lines
Expert Review of Medical Devices is a monthly peer-reviewed medical journal covering research on the clinical use of devices. It was established in 2004 and is published by Informa . According to the Journal Citation Reports , the journal has a 2013 impact factor of 1.784.
Immersion lithography scanners use a layer of Ultrapure water between the lens and the wafer to increase resolution. An alternative to photolithography is nanoimprint lithography. The maximum size of the image that can be projected onto a wafer is known as the reticle limit.
President Donald Trump signed an executive order on Monday to create the nation's first sovereign wealth fund, which could be used to purchase TikTok.. Joining Trump in the Oval Office, Secretary ...