Title: caixiao@csc.com.cn
1?????????????????
? ? caixiao_at_csc.com.cn
(010)65183888-84051
2????????????????
- ???????????,??????????????,???????????????,???????
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3????????????
?? ? ? ? ? ?
2 ?B ?C
3 ?Al ?Si ?P ?S
4 ?Zn ?Ga ?Ge ?As ?Se
5 ?Cd ?In ?Te
4GaAs?????????????
- ?????????????,???????????????,??????,?????,?????
,???????,?????,????,????????,??????????? - ????????,????????????????????,????????????????
?,??????????????????,?????????????????,???????????
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???????????????,????????????200oC,????????????????
????
5???????????
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?????? 2300GHz lt1GHz
?????? 200oC 120oC
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????? ??? ???,????
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6GaAs??????????
???? ????
?????? 900MHz(cellular) 1.82.2GHz(PCS) 2.22.4GHz(3G wireless)
???? 501000MHz
GPS 1.6GHz
???? 1113GHz
Wireless LAN 900MHz 2.4?5.8?60GHz
Point-to-point Radio 6?8?11?15?18?23?38?60GHz
VSAT(???????) 6?14?28GHz
?????? 1.6?2.5GHz(subscriber) 20?23?29GHz(up/down/crosslink)
?????? 28GHz
???????? 7677GHz
?????? 5.8GHz
7????IC????????
??IC (Radio Frequency)
????/??????
??IC (Intermediate Frequency IC)
?????/?????/??
??IC (Baseband IC)
??A/D?D/A???????CPU
8GaAs???????????
- ???????????,???????????????,??????????????,???????
??????????,????????????CMOS????? - ???????????????(Power Amplifier,PA),????????????,?
???GaAs?????????GaAs??????????????????????????????
?????????????,????????????????,????????????????
9?????GaAs IC?????????
- ??Strategy Analytics???,??????????(GaAs)IC????????
? - 2004?GaAs????29???,2008???37???
- GaAs???????????????,???????????,2003??????GaAs????
???41??,??????????????????,?2008????????GaAs???33
- ????????,????????PA??????????,?????????,2008?GaAs?
????30??
10???????
2004? ?????7.1?? ?????PA2.4? ??GaAs??70 ??PA?
?1?? GaAs???? 7.12.4701/4129??? 2005? ???
??11?? ?????PA2.7? ??GaAs??60 ??PA??0.7?? GaA
s???? 112.7600.7/3338???
11???????
- ??????????????????????????????????????????????????
?,?????????????????????????????????????? - ?????????????????,????????????????????CATV????????
??,?????????
12GaAs?????????
- ???????????????????,????????????,??2.5G??/??????
???,??????????GaAs???????? - ??????????????,??????LED??????????????????????????
?????????????????????????????,??GaAs??????????????
?,??????GaAs???????????????????LED??,?????????????
??????????????????,??????????GaAs??,??LED?????????
????????????????????????,?????????????????
13????????????????
- 2004???????????"?????????"
- ????????????
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- ??????????????
- ???????????????
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14??????
- ?????????,?????????????????,??????,???????????????
???????,?????????,????????????????????????????????
?????????? - ????????,???????????LEC??VGF/VB???????????,???????
?????????????????,????????????????????????????????
???????? - ??????????2???6?????????????????,??????????????,??
??2???4??????????????????
15????????GaN
- ????Eglt2eV????????,??(Ge)??(Si)????(GaAs)????(InP)
????Eg?2.06.0eV??????????,????(SiC)????(GaN)????(
AlN)??????(AlCaN) - ?????????????????????????????????????????????????,
?????????? - ?????????????????????????,?????????????????????
- ???????????????????????????
16??????????????
?? ?? ????? ????? ????? ????? ?????
?? ?? ? ??? ??? ??? ???
??? eV 1.1 1.42 1.35 2.3 3.44
300K???? Cm2/vs 1500 8500 5400 700 1000 2000
???? 107cm/s 1.0 1.3 1.0 2.0 1.3
?????? MV/cm 0.3 0.4 0.5 3.0 3.0
??? V/cmk 1.5 0.5 0.7 4.5 gt1.5
???? e 11.8 12.8 12.5 10.0 9.0
17GaN????
- (1)??GaN??????????????????????????????????????????
?? - (2)??GaN????????????????????????????
- GaN??????????????????????????????,??????????????
18??????
- ?????????????????????????????????????,????????????
???,???21?????????,?GaN???????????????????????????
?????? - ????????DVD????????????????????????????,??DVD??Ga
N??????????,?????????????GaAs??????????????4-5?,??
,???????????????????????? - ???????????????????????????????????????????,?????
????????????????????,?????????????300?,?????????(?
???????)?????????????????????????,????????????????
????????????????
19???LED?????????
1995-2003????LED??
2003????LED????????47,??27???
?????LED??????30???????
2004-2008????LED??
2003????LED??????
????Strategies Unlimited
20??????
2003???GaN?LED????
- ???LED????,?????????????????????????,?????????????
?60???
- ???????,??,???LED??????????????(????PDA)???(?????)
????????????????????????
21????????
- ??????????????
- ?????????,???????????
- ??????,????????
- ??????????????????????
- ??????????,?????????,??????
22??LED??????????
- ??????????????
- ????????10???(??10?)
- ?????
- ????
- ????LED,?????????,????
- ?????????LED?????
- ?????LED,??????,?????
23?????????
??21??????
- ????50???
- ?2007? 30??????????????
- ?2000??????5???
- ?2010? 55???????????????
- ?????350???
- 2015?????500?????????????
??????
????????
- 2004?-2008?????????1???,????30????,??????,??2008?
LED???????80lm/W
- ?????????
- ??
- ??
- ??????????
- ?????
24???????
- ????????(????)????????,??????5??,????????????,?5-
10???????,1/3?????????,?????????1000??,???????????
??(800??) - ?????????????
25????LED????
(??)???
(??)??
(??)??
??-gt??-gt????
??-gt??-gt??-gt??
??-gt??
??? ???? ????
???? ??LED??????? ?????LED????,????,??????????????????????????????
???? ??LED?? ?????????????,?????????,???????
????? ??LED???? ????,????
???? ??LED???? ????,????
??????? ??LED??? ?????MOCVD,??????,????,??????GaN???????????????????????GaN?????????
26GaN????
??? ?????(MBE) ??????????(MOCVD)
???? ? ?
???? ? ?
???? ? ?
???? ??? ?
???? ? ?
????? ? ?
?? ?????????,?????????,????????,?????MOCVD??1.6? ??????,???????????,??????????????
- ????GaN??
- ?????????SiC?????GaN??,???????
- ???????Si?????GaN???LED,??????
27????????
?? 2001 2002 2003 2004 2005 2006E 2007E 2008E 2009E
???? 6976 9128 10733 14157 16618 19942 23930 28716 34459
??? 30.85 17.58 31.90 17.38 20 20 20 20
???? 25548 22771 30272 42953 43731 56850 90960 136440 191016
??? -10.87 32.94 41.89 1.8 30 60 50 40
??? 23721 29424 33930 46592 48819 58583 70300 84360 101232
??? 24.04 15.31 37.32 4.78 20 20 20 20
?? 6990 13213 11575 11057 13215 14536 15990 17589 19348
??? 89.03 -12.40 -4.48 19.51 10 10 10 10
?????? 63234 74535 86511 114759 122382 149911 201180 267105 346055
??? 17.87 16.07 32.65 6.64 22.49 34.20 32.77 30.56
???? 0.12 0.18 0.19 0.155 0.13 0.20 0.24 0.29 0.33
???? 6.008.00
28? ? caixiao_at_csc.com.cn
(010)65183888-84051
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