Used ASML AT 850T #9293665 for sale
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ID: 9293665
Wafer Size: 12"
Vintage: 2001
KrF Lithography scanner, 12"
2001 vintage.
ASML AT 850T is a wafer stepper that is used in the manufacturing of semiconductor integrated circuits. It is a device that exposures a desired pattern onto a wafer coated with a photoresist material. This allows for the fabrication of the integrated circuits with precision and accuracy. AT 850T is an advanced stepper that operates using a projection type of imaging equipment. It initiates exposure from a master photomask and produces the necessary images on the substrate. It uses an optical projection system to create an image of the desired pattern onto the substrate. The stepper has a resolution of 0.33 micrometer and can be used for the production of advanced and very complex integrated circuits. The unit is also designed to produce very large wafers with an exposure area of up to 8 inches. ASML AT 850T comes with a variety of features and options that make it easy to customize the exposure process. For example, it has a substrate bias settings option that allows users to adjust the voltage settings to ensure that the desired pattern is imprinted on the substrate. The stepper also contains an alignment machine to perfectly align the masking process with the desired pattern to ensure accurate results. The stepper also has a feature that programs optimal exposure dose for each layer. The stepper is also equipped with a Laser Interferometer tool which allows for precise optics alignment between the original and the projected images and reduces the likelihood of errors and aberrations. The stepper also contains a self diagnostic asset which automatically checks the functioning of the stepper to ensure smooth operation. Overall, AT 850T is a highly advanced wafer stepper that provides excellent results for production of integrated circuits. Its wide range of features and options make the stepper ideal for both small businesses and large scale production. It is an industry standard for the production of semiconductor integrated circuits and is used in high volume production in the industry.
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