4. Octupled size of IC

Further doubling jeopardizes jobs...
     8 ICs attempted
   - 4 defective ICS
    -- -------------
     4 good ICs -- a 50% yield

x$1382 per IC (Twice previous cost
 -----            PLUS 20% premium)
 $5528
-   40 (same labor/packaging costs
 -----                   at $10/IC)
 $5488 "profit"

 -- a $1352 loss 
     from Standard Process

"http://www.physics.udel.edu/~watson/scen103/wafer/wafer4.html"
Last updated Nov. 14, 1996.
Copyright George Watson, Univ. of Delaware, 1996.