Archived posting to the Leica Users Group, 1999/01/10
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Very good post Alexey... Thanks, Jim >>From: William Davis >> >>Yet Nikon and Canon still manufacture machines called steppers that >>feature a lens that can focus down to a micron. They are used to etch >>microchips. >>Whenever you see news footage of people in bunny suits making> >>microchips at Intel, they are usually working near a machine with a >>Canon or Nikon logo. I have heard these machines described as some of >>the most precise pieces of equipment made by mankind. At 03:06 PM 1/10/99 +0000, Alexey wrote: >Not true, as we'll see... > >Zeiss, too. But the winner in the mechanical motion control >is a company here in the Pacific Northwest. > >Applied Precision Instruments in Seattle makes steppers with >a repeatable absolute accuracy of 10 nm over a greater than 20 mm >range of movement. > >... > >* Atomic Force Microscope >.......................................................................... >Alexey Merz | URL: http://www.webcom.com/alexey | email: alexey@webcom.com >