[TheForge] Re: Air Hammers Paul

Mon Apr 7 10:57:01 2003

> The silicon wafers your computer are made from, are cut using a wire
> saw, the wire saw has 4 drums and 360 miles of wire wrapped on the
> drums an spools in grooves, to cut wafers .040 thick it cuts up to 700
> wafers from a single ingot.

Very interesting.  I didn't know that.

Lessee, 360 miles, 2 runs for each cut... mutter mumble...
That would be 1300 feet between capstans.  So I guess that means the
wire is fed onto the drums, makes 700 or so turns and then passes off
to be discarded.  Is that right?

- Mike

-- 
Michael Spencer                  Nova Scotia, Canada 

[email protected]            
http://home.tallships.ca/mspencer/