David W. Mann Company
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The David W. Mann Company was a company that produced photolithographic technology for the semiconductor industry. It was sold to GCA in about 1959.[1]
It introduced the first photorepeater in the year +1961.[2]
In the 1970s, the Mann Company in cooperation with IBM developed the first "Direct Step on Wafer" or DSW system. It used a reduction lens that had a mount for a reticle. It used Köhler illumination.[3]
Products[edit]
References[edit]
- ↑ "David W. Mann and GCA". 2006-06-28. https://lithoguru.com/life/?p=38.
- ↑ "The Davistown Museum". https://davistownmuseum.org/bioMann.html.
- ↑ "Error: no
|title=specified when using {{Cite web}}". https://www.cnfusers.cornell.edu/sites/default/files/Equipment-Resources/Stepper%20Training%20Manual20.pdf. - ↑ "Micro-filming process". 1966-01-10. https://patents.google.com/patent/US3433565A/en.