KR100887444B1 - 플라즈마 스퍼터링에 의한 성막방법 및 성막장치 - Google Patents
플라즈마 스퍼터링에 의한 성막방법 및 성막장치 Download PDFInfo
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- KR100887444B1 KR100887444B1 KR1020077008713A KR20077008713A KR100887444B1 KR 100887444 B1 KR100887444 B1 KR 100887444B1 KR 1020077008713 A KR1020077008713 A KR 1020077008713A KR 20077008713 A KR20077008713 A KR 20077008713A KR 100887444 B1 KR100887444 B1 KR 100887444B1
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- 238000000151 deposition Methods 0.000 title claims description 26
- 229910052751 metal Inorganic materials 0.000 claims abstract description 119
- 239000002184 metal Substances 0.000 claims abstract description 119
- 238000000034 method Methods 0.000 claims abstract description 66
- 238000012545 processing Methods 0.000 claims abstract description 49
- 229910021645 metal ion Inorganic materials 0.000 claims abstract description 45
- 238000000992 sputter etching Methods 0.000 claims abstract description 21
- 239000010949 copper Substances 0.000 claims description 32
- 230000015572 biosynthetic process Effects 0.000 claims description 24
- 238000005530 etching Methods 0.000 claims description 22
- 230000008021 deposition Effects 0.000 claims description 19
- 239000000463 material Substances 0.000 claims description 11
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 claims description 10
- 238000002360 preparation method Methods 0.000 claims description 9
- 229910052715 tantalum Inorganic materials 0.000 claims description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- MZLGASXMSKOWSE-UHFFFAOYSA-N tantalum nitride Chemical group [Ta]#N MZLGASXMSKOWSE-UHFFFAOYSA-N 0.000 claims description 4
- 239000010408 film Substances 0.000 abstract description 171
- 239000004065 semiconductor Substances 0.000 abstract description 16
- 238000002294 plasma sputter deposition Methods 0.000 abstract description 15
- 239000010409 thin film Substances 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 58
- 150000002500 ions Chemical class 0.000 description 10
- 238000007747 plating Methods 0.000 description 8
- 230000004888 barrier function Effects 0.000 description 6
- 230000006698 induction Effects 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 4
- 238000009616 inductively coupled plasma Methods 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- 230000007935 neutral effect Effects 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 239000011800 void material Substances 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000004544 sputter deposition Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 238000005121 nitriding Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
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- H01L21/28—Manufacture of electrodes on semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/268
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- H01L21/28512—Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation of conductive layers on semiconductor bodies comprising elements of Group IV of the Periodic Table
- H01L21/2855—Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation of conductive layers on semiconductor bodies comprising elements of Group IV of the Periodic Table by physical means, e.g. sputtering, evaporation
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Abstract
Description
Claims (13)
- 성막 방법에 있어서,상면과, 이 상면에 개구된 오목부를 갖는 피처리체를 진공처리용기내의 탑재대상에 탑재하는 준비공정과,상기 처리용기 내에서 방전가스의 플라즈마에 의해 금속타겟을 스퍼터하여 금속이온을 발생시킴과 동시에, 상기 피처리체의 상면에 있어서 상기 금속이온의 인입에 의한 금속막의 퇴적과 상기 방전가스의 플라즈마에 의한 스퍼터 에칭이 동시에 생기도록 바이어스 전력을 상기 탑재대에 가해서, 상기 오목부의 측벽에 상기 금속막을 퇴적시키는 성막공정을 구비하되,상기 성막공정에 있어서의 바이어스 전력은 상기 피처리체의 상면에 있어서, 상기 금속이온의 인입에 의한 금속막의 성막 레이트와, 상기 방전가스의 플라즈마에 의한 스퍼터 에칭의 에칭 레이트가 균형을 이루는 바와 같은 크기로 설정되는 것을 특징으로 하는 성막 방법.
- 삭제
- 제 1 항에 있어서,상기 준비공정과 상기 성막공정의 사이에, 상기 피처리체의 상면 및 오목부 표면에 상기 금속막과는 다른 물질로 이루어지는 하지층을 형성하는 공정을 더 구비하는 것을 특징으로 하는 성막 방법.
- 제 3 항에 있어서,상기 성막공정에 있어서의 바이어스 전력은 상기 하지층을 스퍼터 에칭하지 않는 크기로 설정되는 것을 특징으로 하는 성막 방법.
- 제 1 항에 있어서,상기 준비공정과 상기 성막공정의 사이에, 상기 피처리체의 상면 및 오목부 표면에 상기 금속막과 동일한 금속으로 이루어지는 초기 금속막을 형성하는 공정을 더 구비하는 것을 특징으로 하는 성막 방법.
- 제 1 항에 있어서,상기 성막공정은상기 피처리체의 상면 및 오목부 표면에 제1 금속막을 형성하는 제1부공정과,상기 제1 금속막의 위에 상기 제1 금속막과는 다른 금속으로 이루어지는 제2 금속막을 형성하는 제2 부공정을 갖는 것을 특징으로 하는 성막 방법.
- 제 6 항에 있어서,상기 준비공정과 상기 성막공정의 사이에, 상기 피처리체의 상면 및 오목부 표면에 상기 금속막과는 다른 물질로 이루어지는 하지층을 형성하는 공정을 더 구비하고,상기 성막공정은 상기 제1 부공정과 상기 제2 부공정의 사이에, 상기 오목부의 바닥부에 위치하는 하지층을 에칭에 의해 깎아내는 제3 부공정을 더 갖는 것을 특징으로 하는 성막 방법.
- 제 1 항에 있어서,상기 금속막은 탄탈막인 것을 특징으로 하는 성막 방법.
- 제 6 항에 있어서,상기 제1 금속막은 탄탈막이고, 상기 제2 금속막은 동막인 것을 특징으로 하는 성막 방법.
- 제 7 항에 있어서,상기 제1 금속막은 탄탈막이고, 상기 제2 금속막은 동막인 것을 특징으로 하는 성막 방법.
- 제 10 항에 있어서,상기 하지층은 질화 탄탈막인 것을 특징으로 하는 성막 방법.
- 성막 장치에 있어서,진공처리용기와,상기 처리용기내에 마련되고, 상면과, 이 상면에 개구된 오목부를 갖는 피처리체를 탑재하기 위한 탑재대와,상기 처리용기내로 방전가스를 포함하는 처리가스를 공급하는 가스공급 시스템과,상기 처리용기내에서 상기 방전가스의 플라즈마를 발생시키는 플라즈마 발생 시스템과,상기 처리용기내에 마련되고, 상기 플라즈마에 의해 스퍼터되어 금속이온을 발생시키는 금속타겟과,상기 탑재대에 바이어스 전력을 가하는 바이어스 전원과,상기 피처리체의 상면에 있어서 상기 금속이온의 인입에 의한 금속막의 퇴적과 상기 방전가스의 플라즈마에 의한 스퍼터 에칭이 동시에 생기도록 바이어스 전력을 상기 탑재대에 가해서, 상기 오목부의 측벽에 상기 금속막을 퇴적시키도록 상기 바이어스 전원을 제어하는 바이어스 전원 제어기를 구비한 것을 특징으로 하는 성막장치.
- 제 12 항에 있어서,상기 바이어스 전원 제어기는 상기 성막공정에 있어서의 바이어스 전력이, 상기 피처리체의 상면에 있어서 상기 금속이온의 인입에 의한 금속막의 성막 레이트와, 상기 방전가스의 플라즈마에 의한 스퍼터 에칭의 에칭 레이트가 균형을 이루는 바와 같은 크기로 되도록, 상기 바이어스 전원을 제어하는 것을 특징으로 하는 성막 장치.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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JPJP-P-2004-00304921 | 2004-10-19 | ||
JP2004304921 | 2004-10-19 | ||
PCT/JP2005/019124 WO2006043554A1 (ja) | 2004-10-19 | 2005-10-18 | プラズマスパッタリングによる成膜方法および成膜装置 |
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KR20070055603A KR20070055603A (ko) | 2007-05-30 |
KR100887444B1 true KR100887444B1 (ko) | 2009-03-10 |
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KR1020077008713A KR100887444B1 (ko) | 2004-10-19 | 2005-10-18 | 플라즈마 스퍼터링에 의한 성막방법 및 성막장치 |
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US (1) | US7790626B2 (ko) |
JP (1) | JP2006148074A (ko) |
KR (1) | KR100887444B1 (ko) |
CN (1) | CN101044258B (ko) |
TW (1) | TW200625455A (ko) |
WO (1) | WO2006043554A1 (ko) |
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US7790626B2 (en) | 2010-09-07 |
US20080038919A1 (en) | 2008-02-14 |
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TW200625455A (en) | 2006-07-16 |
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