31a-P20-10 - PowerPoint PPT Presentation

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31a-P20-10

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Title: Author: Baba Lab. Last modified by: Baba Lab. Created Date: 3/30/2004 9:47:25 AM – PowerPoint PPT presentation

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Title: 31a-P20-10


1
????????????????????
31a-P20-10
  • ???????
  • ??????? ?

2
??(1)
  • ??????????????????????????????????????
  • ????????????????eV????????????
  • ?????????????????????????????????????????????????
  • ??????????????????????????????

3
??(2)
  • ??????????????????????????????????????????????????
    ?
  • e.g. Throwing Distance (??????)
  • Al 5.9 Pa cm
  • Cu 8.3 Pa cm
  • Mo 11.7 Pa cm
  • ?????????????????????????????????????????????????

4
????
  • ????? ?????? (Inficon ??)
  • Center ????
  • Edge, Back ????28mm
  • ?????? 50mm
  • ?????????? f1028mm (??? f22mm)
  • ??????? 210mm

5
??????
  • ????? Al(27), Cu(63.5), Mo(96)
  • ???? Ar(40) ()????????
  • ???? Ar 10 sccm
  • ???? 0.416 Pa
  • DC ?? 50 W

6
??????????????
  • ???????
  • ????
  • ????? (400K)??????
  • ????????? 1
  • ???????
  • ?? ????????????????
  • Energy,?? Thompson ???cosine ??
  • ??????
  • ?????? Maxwell ??
  • ?? Born-Mayer??????? ( U(r)Aexp(-br) )
    ???????
  • ????
  • Poisson ?????????????
  • ????? ?? 45 (2002) 699.

7
??
  • ?? ???????????
  • ? ???? (T-S 40 mm)
  • ? ? (T-S 60 mm)
  • ?? MC ???? (T-S 40 mm)
  • ?? ? (T-S 60 mm)
  • ??
  • MC????????????????????????????????????????????????
    ??? (Cu)?

8
??????(Cu,T-S 40mm)
9
Back/Center ?
10
Edge/Center ?
11
Back/Edge ?
12
??????(Cu,T-S 60mm)
13
??(1)
  • ????????????????
  • ?? ?????????????????????????
  • ?? ????????????????????????????????????????????
  • ?? ?????????????????????????????????????????????
    ??????????????????
  • ?????????????????????????? pumping out ??????

14
??(2)
  • ???????
  • ???? Al, Cu, Mo ???????????????????????????????Th
    rowing Distance ???????
  • ?????????????????????????(??????????1???)?
  • ?????-????????
  • T-S???????????????????????????????????????????????
    ???B/C??E/C????????

15
????(???)
16
???
  • ??????????????????????????????????????????????????
  • ???????????????????????????????????????
  • ??????????????????????????????????????????????????
    ?????????????
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