US 8,703,386 B2  Sheet 4 of 15  Apr. 22, 2014  U.S. Patent  300  250  <C  200  Cl)  (/)  PAB Temp  (!)  C  .:::,t.  .S2  150  ..c  ---- 121°c  I- 12s 0 c  --+- 100  _._  140°c  -.- 150°C  -T-- 1s9°c  50  0  0  20  40  60  80  100  120  140  Dose, mJ/cm2  FIG. 3 