CN101447421B - 一种制备金属栅电极的方法 - Google Patents
一种制备金属栅电极的方法 Download PDFInfo
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- CN101447421B CN101447421B CN200710178281XA CN200710178281A CN101447421B CN 101447421 B CN101447421 B CN 101447421B CN 200710178281X A CN200710178281X A CN 200710178281XA CN 200710178281 A CN200710178281 A CN 200710178281A CN 101447421 B CN101447421 B CN 101447421B
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- gate electrode
- metal gate
- polysilicon
- electrode according
- preparing metal
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- 239000002184 metal Substances 0.000 title claims abstract description 64
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 64
- 238000000034 method Methods 0.000 title claims abstract description 34
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 54
- 239000012535 impurity Substances 0.000 claims abstract description 36
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims abstract description 32
- 229920005591 polysilicon Polymers 0.000 claims abstract description 31
- 238000002347 injection Methods 0.000 claims abstract description 24
- 239000007924 injection Substances 0.000 claims abstract description 24
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 24
- 230000003647 oxidation Effects 0.000 claims abstract description 19
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 19
- 238000005530 etching Methods 0.000 claims abstract description 16
- 238000000151 deposition Methods 0.000 claims abstract description 15
- 238000001259 photo etching Methods 0.000 claims abstract description 13
- 238000002955 isolation Methods 0.000 claims abstract description 12
- 238000000137 annealing Methods 0.000 claims abstract description 10
- 229910021332 silicide Inorganic materials 0.000 claims abstract description 9
- 230000001590 oxidative effect Effects 0.000 claims abstract description 4
- KFZMGEQAYNKOFK-UHFFFAOYSA-N isopropyl alcohol Natural products CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 22
- 239000007788 liquid Substances 0.000 claims description 21
- 239000000243 solution Substances 0.000 claims description 18
- 238000002513 implantation Methods 0.000 claims description 15
- 230000004913 activation Effects 0.000 claims description 12
- 239000002019 doping agent Substances 0.000 claims description 12
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 9
- 229910052710 silicon Inorganic materials 0.000 claims description 9
- 239000010703 silicon Substances 0.000 claims description 9
- 238000006243 chemical reaction Methods 0.000 claims description 7
- 238000005229 chemical vapour deposition Methods 0.000 claims description 4
- 238000007598 dipping method Methods 0.000 claims description 4
- 239000003292 glue Substances 0.000 claims description 4
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 claims description 4
- 238000004518 low pressure chemical vapour deposition Methods 0.000 claims description 4
- 238000001020 plasma etching Methods 0.000 claims description 4
- 230000008021 deposition Effects 0.000 claims description 3
- 230000003628 erosive effect Effects 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 10
- 239000004065 semiconductor Substances 0.000 abstract description 6
- 230000000295 complement effect Effects 0.000 abstract description 5
- 229910044991 metal oxide Inorganic materials 0.000 abstract description 4
- 150000004706 metal oxides Chemical class 0.000 abstract description 4
- 239000007943 implant Substances 0.000 abstract 2
- 230000003213 activating effect Effects 0.000 abstract 1
- 238000002360 preparation method Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 description 3
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- 229910052796 boron Inorganic materials 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000004151 rapid thermal annealing Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 229910001423 beryllium ion Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004377 microelectronic Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- -1 silicide metals Chemical class 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
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Abstract
Description
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN200710178281XA CN101447421B (zh) | 2007-11-28 | 2007-11-28 | 一种制备金属栅电极的方法 |
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CN200710178281XA CN101447421B (zh) | 2007-11-28 | 2007-11-28 | 一种制备金属栅电极的方法 |
Publications (2)
Publication Number | Publication Date |
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CN101447421A CN101447421A (zh) | 2009-06-03 |
CN101447421B true CN101447421B (zh) | 2010-09-22 |
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CN200710178281XA Expired - Fee Related CN101447421B (zh) | 2007-11-28 | 2007-11-28 | 一种制备金属栅电极的方法 |
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Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102044422B (zh) * | 2009-10-19 | 2012-07-04 | 中芯国际集成电路制造(上海)有限公司 | 自对准金属硅化物的形成方法 |
CN102087969A (zh) * | 2009-12-02 | 2011-06-08 | 中国科学院微电子研究所 | 一种全硅化金属栅的制备方法 |
CN102110624B (zh) * | 2009-12-23 | 2012-05-30 | 中芯国际集成电路制造(上海)有限公司 | 检测镍铂去除装置的方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1213163A (zh) * | 1997-09-29 | 1999-04-07 | Lg半导体株式会社 | 半导体器件的制造方法 |
CN1551300A (zh) * | 2003-05-06 | 2004-12-01 | ض� | 一种用于制造具有金属栅电极的半导体器件的方法 |
CN1812054A (zh) * | 2004-12-01 | 2006-08-02 | 三星电子株式会社 | 双功函数金属栅极结构及其制造方法 |
CN1943027A (zh) * | 2004-02-25 | 2007-04-04 | 国际商业机器公司 | Cmos硅化物金属栅集成 |
-
2007
- 2007-11-28 CN CN200710178281XA patent/CN101447421B/zh not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1213163A (zh) * | 1997-09-29 | 1999-04-07 | Lg半导体株式会社 | 半导体器件的制造方法 |
CN1551300A (zh) * | 2003-05-06 | 2004-12-01 | ض� | 一种用于制造具有金属栅电极的半导体器件的方法 |
CN1943027A (zh) * | 2004-02-25 | 2007-04-04 | 国际商业机器公司 | Cmos硅化物金属栅集成 |
CN1812054A (zh) * | 2004-12-01 | 2006-08-02 | 三星电子株式会社 | 双功函数金属栅极结构及其制造方法 |
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CN101447421A (zh) | 2009-06-03 |
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