KR101094375B1 - 탄소함유 전극을 갖는 반도체 장치 및 그 제조 방법 - Google Patents
탄소함유 전극을 갖는 반도체 장치 및 그 제조 방법 Download PDFInfo
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- KR101094375B1 KR101094375B1 KR1020090117394A KR20090117394A KR101094375B1 KR 101094375 B1 KR101094375 B1 KR 101094375B1 KR 1020090117394 A KR1020090117394 A KR 1020090117394A KR 20090117394 A KR20090117394 A KR 20090117394A KR 101094375 B1 KR101094375 B1 KR 101094375B1
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- Prior art keywords
- injection step
- titanium
- electrode
- carbon
- nitride film
- Prior art date
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- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 111
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 109
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 21
- 239000004065 semiconductor Substances 0.000 title claims abstract description 15
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 claims abstract description 86
- 238000000034 method Methods 0.000 claims abstract description 60
- 239000003990 capacitor Substances 0.000 claims abstract description 36
- 238000002347 injection Methods 0.000 claims description 78
- 239000007924 injection Substances 0.000 claims description 78
- 239000010936 titanium Substances 0.000 claims description 67
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 57
- 229910052719 titanium Inorganic materials 0.000 claims description 54
- 238000010926 purge Methods 0.000 claims description 49
- 238000000231 atomic layer deposition Methods 0.000 claims description 26
- 229910052782 aluminium Inorganic materials 0.000 claims description 14
- 229910052757 nitrogen Inorganic materials 0.000 claims description 13
- 229910052710 silicon Inorganic materials 0.000 claims description 12
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 11
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 9
- 239000010703 silicon Substances 0.000 claims description 9
- VXUYXOFXAQZZMF-UHFFFAOYSA-N titanium(IV) isopropoxide Chemical compound CC(C)O[Ti](OC(C)C)(OC(C)C)OC(C)C VXUYXOFXAQZZMF-UHFFFAOYSA-N 0.000 claims description 9
- 125000003253 isopropoxy group Chemical group [H]C([H])([H])C([H])(O*)C([H])([H])[H] 0.000 claims description 6
- MNWRORMXBIWXCI-UHFFFAOYSA-N tetrakis(dimethylamido)titanium Chemical compound CN(C)[Ti](N(C)C)(N(C)C)N(C)C MNWRORMXBIWXCI-UHFFFAOYSA-N 0.000 claims description 6
- SDTMFDGELKWGFT-UHFFFAOYSA-N 2-methylpropan-2-olate Chemical compound CC(C)(C)[O-] SDTMFDGELKWGFT-UHFFFAOYSA-N 0.000 claims description 3
- VJDVOZLYDLHLSM-UHFFFAOYSA-N diethylazanide;titanium(4+) Chemical compound [Ti+4].CC[N-]CC.CC[N-]CC.CC[N-]CC.CC[N-]CC VJDVOZLYDLHLSM-UHFFFAOYSA-N 0.000 claims description 3
- LNKYFCABELSPAN-UHFFFAOYSA-N ethyl(methyl)azanide;titanium(4+) Chemical compound [Ti+4].CC[N-]C.CC[N-]C.CC[N-]C.CC[N-]C LNKYFCABELSPAN-UHFFFAOYSA-N 0.000 claims description 3
- 125000004213 tert-butoxy group Chemical group [H]C([H])([H])C(O*)(C([H])([H])[H])C([H])([H])[H] 0.000 claims description 3
- XJDNKRIXUMDJCW-UHFFFAOYSA-J titanium tetrachloride Chemical compound Cl[Ti](Cl)(Cl)Cl XJDNKRIXUMDJCW-UHFFFAOYSA-J 0.000 claims description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 abstract description 9
- 239000010408 film Substances 0.000 description 105
- 238000009832 plasma treatment Methods 0.000 description 14
- 239000007789 gas Substances 0.000 description 11
- 239000000758 substrate Substances 0.000 description 10
- 238000006243 chemical reaction Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 8
- 239000000376 reactant Substances 0.000 description 8
- 239000010409 thin film Substances 0.000 description 8
- 239000011261 inert gas Substances 0.000 description 7
- 229910052751 metal Inorganic materials 0.000 description 7
- 239000002184 metal Substances 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 238000005229 chemical vapour deposition Methods 0.000 description 6
- 238000000151 deposition Methods 0.000 description 6
- -1 purge Substances 0.000 description 5
- 229910015801 BaSrTiO Inorganic materials 0.000 description 4
- 229910003855 HfAlO Inorganic materials 0.000 description 4
- 229910004129 HfSiO Inorganic materials 0.000 description 4
- 229910002367 SrTiO Inorganic materials 0.000 description 4
- 229910010413 TiO 2 Inorganic materials 0.000 description 4
- 229910007875 ZrAlO Inorganic materials 0.000 description 4
- 229910006501 ZrSiO Inorganic materials 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 229910010037 TiAlN Inorganic materials 0.000 description 3
- 229910008482 TiSiN Inorganic materials 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 230000008021 deposition Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- QRXWMOHMRWLFEY-UHFFFAOYSA-N isoniazide Chemical compound NNC(=O)C1=CC=NC=C1 QRXWMOHMRWLFEY-UHFFFAOYSA-N 0.000 description 3
- 239000006227 byproduct Substances 0.000 description 2
- 239000012159 carrier gas Substances 0.000 description 2
- ORVACBDINATSAR-UHFFFAOYSA-N dimethylaluminum Chemical compound C[Al]C ORVACBDINATSAR-UHFFFAOYSA-N 0.000 description 2
- 229910001873 dinitrogen Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- JMANVNJQNLATNU-UHFFFAOYSA-N oxalonitrile Chemical compound N#CC#N JMANVNJQNLATNU-UHFFFAOYSA-N 0.000 description 2
- 239000012495 reaction gas Substances 0.000 description 2
- 235000015067 sauces Nutrition 0.000 description 2
- 238000006557 surface reaction Methods 0.000 description 2
- CZDYPVPMEAXLPK-UHFFFAOYSA-N tetramethylsilane Chemical compound C[Si](C)(C)C CZDYPVPMEAXLPK-UHFFFAOYSA-N 0.000 description 2
- KWEKXPWNFQBJAY-UHFFFAOYSA-N (dimethyl-$l^{3}-silanyl)oxy-dimethylsilicon Chemical compound C[Si](C)O[Si](C)C KWEKXPWNFQBJAY-UHFFFAOYSA-N 0.000 description 1
- KOFZWWMCDUHEEM-UHFFFAOYSA-N 1-methylpyrrolidine Chemical compound [CH2]N1CCCC1 KOFZWWMCDUHEEM-UHFFFAOYSA-N 0.000 description 1
- UYTBCRVZSLSDFT-UHFFFAOYSA-N 1-methylpyrrolidine;trimethylalumane Chemical compound C[Al](C)C.CN1CCCC1 UYTBCRVZSLSDFT-UHFFFAOYSA-N 0.000 description 1
- AHVYPIQETPWLSZ-UHFFFAOYSA-N N-methyl-pyrrolidine Natural products CN1CC=CC1 AHVYPIQETPWLSZ-UHFFFAOYSA-N 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 description 1
- 239000007983 Tris buffer Substances 0.000 description 1
- OWIDZKFYDXDEBY-UHFFFAOYSA-N [ethyl(methyl)amino]silicon Chemical compound CCN(C)[Si] OWIDZKFYDXDEBY-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 229910000086 alane Inorganic materials 0.000 description 1
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical compound [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000005137 deposition process Methods 0.000 description 1
- PZPGRFITIJYNEJ-UHFFFAOYSA-N disilane Chemical compound [SiH3][SiH3] PZPGRFITIJYNEJ-UHFFFAOYSA-N 0.000 description 1
- 125000001301 ethoxy group Chemical group [H]C([H])([H])C([H])([H])O* 0.000 description 1
- 238000010574 gas phase reaction Methods 0.000 description 1
- 125000000250 methylamino group Chemical group [H]N(*)C([H])([H])[H] 0.000 description 1
- SSCVMVQLICADPI-UHFFFAOYSA-N n-methyl-n-[tris(dimethylamino)silyl]methanamine Chemical compound CN(C)[Si](N(C)C)(N(C)C)N(C)C SSCVMVQLICADPI-UHFFFAOYSA-N 0.000 description 1
- MJBZMPMVOIEPQI-UHFFFAOYSA-N n-methyl-n-tris[ethyl(methyl)amino]silylethanamine Chemical compound CCN(C)[Si](N(C)CC)(N(C)CC)N(C)CC MJBZMPMVOIEPQI-UHFFFAOYSA-N 0.000 description 1
- NFHFRUOZVGFOOS-UHFFFAOYSA-N palladium;triphenylphosphane Chemical compound [Pd].C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 NFHFRUOZVGFOOS-UHFFFAOYSA-N 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 229910000077 silane Inorganic materials 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- VZTGWJFIMGVKSN-UHFFFAOYSA-O trimethyl-[3-(2-methylprop-2-enoylamino)propyl]azanium Chemical compound CC(=C)C(=O)NCCC[N+](C)(C)C VZTGWJFIMGVKSN-UHFFFAOYSA-O 0.000 description 1
- LENZDBCJOHFCAS-UHFFFAOYSA-N tris Chemical compound OCC(N)(CO)CO LENZDBCJOHFCAS-UHFFFAOYSA-N 0.000 description 1
- GIRKRMUMWJFNRI-UHFFFAOYSA-N tris(dimethylamino)silicon Chemical compound CN(C)[Si](N(C)C)N(C)C GIRKRMUMWJFNRI-UHFFFAOYSA-N 0.000 description 1
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Abstract
Description
TiN | TiSiN | TiAlN | TiSiCN, TiAlCN | |
일함수(eV) | ~4.5 | ~4.7 | ~4.8 | ≥ 4.9 |
변수 | 증, 감 | 박막 내 탄소량 | 일함수(work function) |
소스 주입시간 | 증가 | 증가 | 증가 |
감소 | 감소 | 감소 | |
소스 주입량 | 증가 | 증가 | 증가 |
감소 | 감소 | 감소 | |
플라즈마 처리 시간 | 증가 | 감소 | 감소 |
감소 | 증가 | 증가 | |
플라즈마 처리 파워 | 증가 | 감소 | 감소 |
감소 | 증가 | 증가 |
Claims (35)
- TiAlCN 또는 TiSiAlCN 중에서 선택된 어느 하나를 포함하는반도체 장치의 전극.
- 제1항에 있어서,상기 TiAlCN 및 TiSiAlCN에서 탄소성분은 3%∼50%의 함량을 갖는 반도체 장치의 전극.
- 제1항에 있어서,상기 TiAlCN 및 TiSiAlCN에서 탄소성분은 20%∼50%의 함량을 갖는 반도체 장치의 전극.
- 삭제
- 제1항에 있어서,상기 TiAlCN 및 TiSiAlCN은 게이트전극, 비트라인 전극, 캐패시터의 하부전극 및 캐패시터의 상부전극으로 이루어진 그룹 중에서 선택된 적어도 어느 하나의 전극인 반도체 장치의 전극.
- 티타늄유기소스 주입 단계, 퍼지단계, 알루미늄 소스 주입단계, 퍼지단계, 플라즈마 주입단계 및 퍼지단계의 조합으로 이루어진 단위사이클을 반복하는 원자층증착법을 이용하여 TiAlCN막을 형성하는 단계를 포함하는 탄소함유티타늄질화막 형성 방법.
- 제6항에 있어서,상기 TiAlCN막에서 탄소성분은 3%∼50%의 함량을 갖는 탄소함유티타늄질화막 형성 방법.
- 제6항에 있어서,상기 TiAlCN막에서 탄소성분은 20%∼50%의 함량을 갖는 탄소함유티타늄질화막 형성 방법.
- 티타늄유기소스 주입 단계, 퍼지단계, 실리콘소스 및 알루미늄 소스 주입단계, 퍼지단계, 플라즈마 주입단계 및 퍼지단계의 조합으로 이루어진 단위사이클을 반복하는 원자층증착법을 이용하여 TiSiAlCN막을 형성하는 단계를 포함하는 탄소함유티타늄질화막 형성 방법.
- 삭제
- 삭제
- 제6항에 있어서,상기 원자층증착법은 상기 티타늄유기소스 주입단계 또는 상기 플라즈마 주입단계를 조절하여 탄소성분의 함유량을 조절하는 탄소함유티타늄질화막 형성방법.
- 제12항에 있어서,상기 티타늄유기소스 주입단계의 조절은,상기 티타늄유기소스의 주입시간을 조절하는 탄소함유티타늄질화막 형성방법.
- 제12항에 있어서,상기 티타늄유기소스 주입단계의 조절은,상기 티타늄유기소스의 주입량을 조절하는 탄소함유티타늄질화막 형성방법.
- 제12항에 있어서,상기 플라즈마 주입단계의 조절은,상기 플라즈마 주입단계의 처리시간을 조절하는 탄소함유티타늄질화막 형성방법.
- 제12항에 있어서,상기 플라즈마 주입단계의 조절은,상기 플라즈마 주입단계의 파워(Power)를 조절하는 탄소함유티타늄질화막 형성방법.
- 제6항에 있어서,상기 티타늄유기소스는,TDMAT[Tetrakis(dimethylamino) titanium], TEMAT [Tetrakis(ethylmethylamino) titanium], TDEAT[ Tetrakis[diethylamino]titanium], Ti(OiPr)2(tmhd)2[Bis(isopropoxy)Di(2,2,6,6-Tetramethyl-3,5-heptane dionato)TiTanium], Ti(OiBu)2(tmhd)2[Di(tert-butoxy)Bis(2,2,6,6-tetramethyl-3,5-heptane dionato) Titanium], Ti(OiBu)4[Titanium(VI) Tert-Butoxide] TTIP[Titanium(IV) Isopropoxide] 및 TiCl4[Titanium tetrachloride] 의 그룹 중에서 선택된 어느 하나인 탄소함유티타늄질화막 형성방법.
- 제6항에 있어서,상기 플라즈마 주입단계는,N2, Ar, H2 및 NH3로 이루어진 그룹 중에서 선택된 어느 하나의 처리가스를 이용하는 탄소함유티타늄질화막 형성방법.
- 제6항에 있어서,상기 TiAlCN막은,게이트전극, 비트라인 전극, 캐패시터의 하부전극 및 캐패시터의 상부전극으로 이루어진 그룹 중에서 선택된 적어도 어느 하나의 전극인 탄소함유티타늄질화막 형성방법.
- 제1전극;유전막; 및제2전극을 포함하고,상기 제1 및 제2전극 중 적어도 어느 하나의 전극은 TiAlCN 또는 TiSiAlCN 중에서 선택된 어느 하나를 포함하는캐패시터.
- 제20항에 있어서,상기 TiAlCN 및 TiSiAlCN에서 탄소성분은 3%∼50%의 함량을 갖는 캐패시터.
- 제20항에 있어서,상기 TiAlCN 및 TiSiAlCN에서 탄소성분은 20%∼50%의 함량을 갖는 캐패시터.
- 삭제
- 제1전극을 형성하는 단계;상기 제1전극 상에 유전막을 형성하는 단계; 및상기 유전막 상에 제2전극을 형성하는 단계를 포함하고,상기 제1 및 제2전극 중 적어도 어느 하나의 전극은 TiAlCN 또는 TiSiAlCN 중에서 선택된 어느 하나를 포함하는캐패시터의 제조 방법.
- 제24항에 있어서,상기 TiAlCN 및 TiSiAlCN에서 탄소성분은 3%∼50%의 함량을 갖는 캐패시터의 제조 방법.
- 제24항에 있어서,상기 TiAlCN 및 TiSiAlCN에서 탄소성분은 20%∼50%의 함량을 갖는 캐패시터의 제조 방법.
- 삭제
- 제24항에 있어서,상기 TiAlCN은,티타늄유기소스 주입 단계, 퍼지단계, 알루미늄 소스 주입단계, 퍼지단계, 플라즈마 주입단계 및 퍼지단계의 조합으로 이루어진 단위사이클을 반복하는 원자층증착법으로 형성하는 캐패시터의 제조 방법.
- 제24항에 있어서,상기 TiSiAlCN은 ,티타늄유기소스 주입 단계, 퍼지단계, 실리콘소스 및 알루미늄 소스 주입단계, 퍼지단계, 플라즈마 주입단계 및 퍼지단계의 조합으로 이루어진 단위사이클을 반복하는 원자층증착법으로 형성하는 캐패시터의 제조 방법.
- 제29항에 있어서,상기 원자층증착법은 상기 티타늄유기소스 주입단계 또는 상기 플라즈마 주입단계를 조절하여 탄소성분의 함유량을 조절하는 캐패시터의 제조 방법.
- 제30항에 있어서,상기 티타늄유기소스 주입단계의 조절은,상기 티타늄유기소스의 주입시간을 조절하는 캐패시터의 제조 방법.
- 제30항에 있어서,상기 티타늄유기소스 주입단계의 조절은,상기 티타늄유기소스의 주입량을 조절하는 캐패시터의 제조 방법.
- 제30항에 있어서,상기 플라즈마 주입단계의 조절은,상기 플라즈마 주입단계의 처리시간을 조절하는 캐패시터의 제조 방법.
- 제30항에 있어서,상기 플라즈마 주입단계의 조절은,상기 플라즈마 주입단계의 파워(Power)를 조절하는 캐패시터의 제조 방법.
- 제29항에 있어서,상기 플라즈마 주입단계는,N2, Ar, H2 및 NH3로 이루어진 그룹 중에서 선택된 어느 하나의 처리가스를 이용하는 캐패시터의 제조 방법.
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US12/648,337 US8319296B2 (en) | 2009-11-30 | 2009-12-29 | Semiconductor device including carbon-containing electrode and method for fabricating the same |
TW099103150A TWI488290B (zh) | 2009-11-30 | 2010-02-03 | 包括含碳電極之半導體元件及其製法 |
CN201010178457.3A CN102082087B (zh) | 2009-11-30 | 2010-05-13 | 包括含碳电极的半导体器件及其制造方法 |
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WO2019133509A3 (en) * | 2017-12-29 | 2020-06-25 | Applied Materials, Inc. | Method of reducing leakage current of storage capacitors for display applications |
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JP5375497B2 (ja) * | 2009-10-01 | 2013-12-25 | トヨタ自動車株式会社 | 半導体装置、及び、半導体装置の製造方法 |
KR101094386B1 (ko) * | 2009-11-30 | 2011-12-15 | 주식회사 하이닉스반도체 | 반도체 장치의 전극 및 캐패시터 제조 방법 |
KR101220387B1 (ko) | 2011-06-22 | 2013-01-09 | 현대자동차주식회사 | 차량용 자동변속기의 유성기어트레인 |
KR101970361B1 (ko) * | 2012-08-20 | 2019-04-19 | 삼성디스플레이 주식회사 | 유기 발광 표시 장치 및 이의 제조방법 |
CN103811319B (zh) * | 2012-11-08 | 2018-06-08 | 中芯国际集成电路制造(上海)有限公司 | 一种形成高k金属栅极的方法 |
JP6315699B2 (ja) * | 2014-03-17 | 2018-04-25 | 東京エレクトロン株式会社 | 炭窒化チタン膜を形成する方法 |
CN104630744B (zh) * | 2015-01-21 | 2017-06-16 | 江南大学 | 一种以氨基钛为钛源的Al/Ti薄膜原子层沉积方法 |
CN109494302B (zh) * | 2017-09-12 | 2024-04-05 | 松下知识产权经营株式会社 | 电容元件、图像传感器以及电容元件的制造方法 |
JP2020537336A (ja) * | 2017-10-09 | 2020-12-17 | アプライド マテリアルズ インコーポレイテッドApplied Materials,Incorporated | 無損傷基板処理のための静電チャック |
US11289487B2 (en) * | 2018-02-23 | 2022-03-29 | Micron Technology, Inc. | Doped titanium nitride materials for DRAM capacitors, and related semiconductor devices, systems, and methods |
CN109616525A (zh) * | 2018-11-28 | 2019-04-12 | 华南理工大学 | 一种溶液法制备锆铝氧化物绝缘层薄膜及叠层结构的方法 |
CN110349839B (zh) * | 2019-06-21 | 2021-03-12 | 全球能源互联网研究院有限公司 | 一种p/n型碳化硅欧姆接触的制备方法 |
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