KR100832177B1 - 반도체 집적회로장치 및 그 제조방법 - Google Patents
반도체 집적회로장치 및 그 제조방법 Download PDFInfo
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- KR100832177B1 KR100832177B1 KR1020070077476A KR20070077476A KR100832177B1 KR 100832177 B1 KR100832177 B1 KR 100832177B1 KR 1020070077476 A KR1020070077476 A KR 1020070077476A KR 20070077476 A KR20070077476 A KR 20070077476A KR 100832177 B1 KR100832177 B1 KR 100832177B1
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- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
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Abstract
Description
Claims (22)
- (a) 반도체기판상에 형성된 제1 절연막 중에 제1 배선홈을 형성하는 공정,(b) 상기 (a)공정 후에, 상기 제1 배선홈 내부를 포함하는 상기 제1 절연막 상에, 제1 배리어층을 형성하는 공정,(c) 상기 (b)공정 후에, 상기 제1 배리어층상에, 동막으로 이루어진 제1도전성막을 형성하는 공정,(d) 상기 (c)공정 후에, CMP법에 의해 상기 제1 배선홈 외부의 상기 제1 배리어층 및 상기 제1 도전성막을 제거하는 공정,(e) 상기 (d)공정 후에, 상기 제1 도전성막상에 캡 도전성막을 형성하는 공정과,(f) 상기 (e)공정 후에, 상기 캡 도전성막 및 상기 제1 절연막상에 제2 절연막을 형성하는 공정,(g) 상기 (f)공정 후에, 상기 제2 절연막 및 상기 캡 도전성막을 에칭함으로써, 상기 제1 도전성막과 접속하는 콘택트홀을 형성하는 공정,(h) 상기 (g)공정 후에, 상기 콘택트홀 내부를 포함하는 상기 제2 절연막상에, 제2 배리어층을 형성하는 공정,(i) 상기 (h)공정 후에, 상기 제2 배리어층상에, 동막으로 이루어진 제2 도전성막을 형성하는 공정,을 포함하며,상기 (d)공정과 상기 (e)공정과의 사이에, 상기 제1 도전성막 및 상기 제1 절연막의 표면에, 암모니아 플라즈마 처리를 행하는 공정을 더 포함하는 것을 특징으로 하는 반도체집적회로장치의 제조방법.
- 제 1 항에 있어서,상기 (e)공정에서, 상기 캡 도전성막은, 선택 성장 또는 우선 성장에 의해 형성되는 것을 특징으로 하는 반도체집적회로장치의 제조방법.
- 삭제
- 제 1 항에 있어서,상기 (d)공정과 상기 (e)공정과의 사이에, 상기 제1 도전성막 및 상기 제1 절연막의 표면에, 수소처리를 행하는 공정을 더 포함하는 것을 특징으로 하는 반도체집적회로장치의 제조방법.
- 제 1 항에 있어서,상기 (e)공정 전에, 상기 제1 도전성막 및 상기 제1 절연막의 표면을 세정하는 공정을 더 포함하고,상기 세정 공정은, 불화수소(HF), 구연산(citric acid), 수산(oxalic acid), 과산화수소(H2O2), 염산(HCl), 황산(H2SO4), 암모니아(NH3) 또는 아미노에타놀 (aminoethanol)을 포함하는 용액을 이용해서 행해지는 것을 특징으로 하는 반도체집적회로장치의 제조방법.
- 제 1 항에 있어서,상기 (e)공정 후에, 상기 제1 도전성막 및 상기 제1 절연막의 표면을 세정하는 공정을 더 포함하고,상기 세정 공정은, 불화수소(HF), 과산화수소(H2O2) 또는 구연산(citric acid)을 포함하는 용액을 이용해서 행해지는 것을 특징으로 하는 반도체집적회로장치의 제조방법.
- 제 1 항에 있어서,상기 캡 도전성막은, W, WN, TIN, Ta, TaN 혹은 Ni로 이루어진 막인 것을 특징으로 하는 반도체집적회로장치의 제조방법.
- 제 1 항에 있어서,상기 (f)공정에서, 상기 제2 절연막을 형성하는 공정은,(f 1) 상기 캡 도전성막상에, 확산방지 절연막을 형성하는 공정,(f 2) 상기 확산방지 절연막상에, 상기 확산방지 절연막보다도 유전율 이 낮은 저유전 절연막을 형성하는 공정,에 의해서 형성되는 것을 특징으로 하는 반도체집적회로장치의 제조방법.
- 제 8 항에 있어서,상기 확산방지 절연막은, SiN, SiC 또는 SiCO로 이루어진 막인 것을 특징으로 하는 반도체집적회로장치의 제조방법.
- 제 8 항에 있어서,상기 저유전 절연막은, TEOS막, SiOF막, SiCO막, 유기절연막, 또는, 포러스 실리카(porous silica)막인 것을 특징으로 하는 반도체집적회로장치의 제조방법.
- (a) 반도체기판상에 형성된 제1 절연막중에 제1 배선홈를 형성하는 공정,(b) 상기 (a)공정 후에, 상기 제1 배선홈 내부를 포함하는 상기 제1 절연막상에, 제1 배리어층을 형성하는 공정,(c) 상기 (b)공정 후에, 상기 제1 배리어층상에, 동막으로 이루어진 제1 도전성막을 형성하는 공정,(d) 상기 (c)공정 후에, CMP법에 의해 상기 제1 배선홈 외부의 상기 제1 배리어층 및 상기 제1 도전성막을 제거하는 공정,(e) 상기 (d)공정 후에, 상기 제1 도전성막상에 캡 도전성막을 형성하는 공정,(f) 상기 (e)공정 후에, 상기 캡 도전성막 및 상기 제1 절연막상에, 제2 절연막 및 제3 절연막을 순서대로 형성하는 공정,(g) 상기 (f)공정 후에, 상기 제2 절연막, 상기 제3 절연막 및 상기 캡 도전성막을 에칭함으로써, 상기 제1 도전성막과 접속하는 콘택트홀을 형성하는 공정,(h) 상기 (f)공정 후에, 상기 제3 절연막을 에칭함으로써, 제2 배선홈를 형성하는 공정,(i) 상기 (g)공정 및 상기(h)공정 후에, 상기 제2 배선홈 내부 및 상기 콘택트홀 내부를 포함하는 상기 제2 절연막상에, 제2 배리어층을 형성하는 공정,(j) 상기 (i)공정 후에, 상기 제2 배리어층상에, 동막으로 이루어진 제2 도전성막을 형성하는 공정,을 포함하며,상기 (d)공정과 상기 (e)공정과의 사이에, 상기 제1 도전성막 및 상기 제1 절연막의 표면에, 암모니아 플라즈마 처리를 행하는 공정을 더 포함하는 것을 특징으로 하는 반도체집적회로장치의 제조방법.
- 제 11 항에 있어서,상기 (e)공정에서, 상기 캡 도전성막은, 선택 성장 또는 우선 성장에 의해 형성되는 것을 특징으로 하는 반도체집적회로장치의 제조방법.
- 삭제
- 제 11 항에 있어서,상기 (d)공정과 상기 (e)공정과의 사이에, 상기 제1 도전성막 및 상기 제1 절연막의 표면에, 수소처리를 행하는 공정을 더 포함하는 것을 특징으로 하는 반도체집적회로장치의 제조방법.
- 제 11 항에 있어서,상기 (e)공정 전에, 상기 제1 도전성막 및 상기 제1 절연막의 표면을 세정하는 공정을 더 포함하고,상기 세정 공정은, 불화수소(HF), 구연산(citric acid), 수산(oxalic acid), 과산화수소(H2O2), 염산(HCl), 황산(H2SO4), 암모니아(NH3) 또는 아미노에타놀 (aminoethanol)을 포함하는 용액을 이용해서 행해지는 것을 특징으로 하는 반도체집적회로장치의 제조방법.
- 제 11 항에 있어서,상기 (e)공정 후에, 상기 제1 도전성막 및 상기 제1 절연막의 표면을 세정하는 공정을 더 포함하고,상기 세정 공정은, 불화수소(HF), 과산화수소(H2O2) 또는 구연산(citric acid)을 포함하는 용액을 이용해서 행해지는 것을 특징으로 하는 반도체집적회로장 치의 제조방법.
- 제 11 항에 있어서,상기 캡 도전성막은, W, WN, TIN, Ta, TaN 혹은 Ni로 이루어진 막인 것을 특징으로 하는 반도체집적회로장치의 제조방법.
- 제 11 항에 있어서,상기 (f)공정에서, 상기 제2 절연막을 형성하는 공정은,(f 1) 상기 캡 도전성막상에, 확산방지 절연막을 형성하는 공정,(f 2) 상기 확산방지 절연막상에, 상기 확산방지 절연막보다도 유전율이 낮은 저유전 절연막을 형성하는 공정,에 의해서 형성되는 것을 특징으로 하는 반도체집적회로장치의 제조방법.
- 제 18 항에 있어서,상기 확산방지 절연막은, SiN, SiC 또는 SiCO로 이루어진 막인 것을 특징으로 하는 반도체집적회로장치의 제조방법.
- 제 18 항에 있어서,상기 저유전 절연막은, TEOS막, SiOF막, SiCO막, 유기절연막, 또는, 포러스 실리카(porous silica)막인 것을 특징으로 하는 반도체집적회로장치의 제조방법.
- 제 11 항에 있어서,상기 (g)공정은, 상기 (h)공정 전에 행해지는 것을 특징으로 하는 반도체집적회로장치의 제조방법.
- 제 11 항에 있어서,상기 (g)공정은, 상기 (h)공정 후에 행해지는 것을 특징으로 하는 반도체집적회로장치의 제조방법.
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US10636701B2 (en) * | 2017-09-29 | 2020-04-28 | Taiwan Semiconductor Manufacturing Company, Ltd. | Methods of forming semiconductor devices using multiple planarization processes |
CN110571187B (zh) * | 2018-06-05 | 2022-03-18 | 中芯国际集成电路制造(上海)有限公司 | 半导体器件的制造方法 |
CN112582276A (zh) | 2019-09-28 | 2021-03-30 | 台湾积体电路制造股份有限公司 | 半导体结构及其制造方法 |
US11581276B2 (en) | 2019-09-28 | 2023-02-14 | Taiwan Semiconductor Manufacturing Co., Ltd. | Redistribution layers and methods of fabricating the same in semiconductor devices |
US11424187B2 (en) * | 2020-08-04 | 2022-08-23 | Nanya Technology Corporation | Semiconductor device with porous insulating layers and method for fabricating the same |
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US20050095844A1 (en) | 2005-05-05 |
US20010045651A1 (en) | 2001-11-29 |
KR20070083230A (ko) | 2007-08-23 |
KR20010105158A (ko) | 2001-11-28 |
US7642652B2 (en) | 2010-01-05 |
TW483105B (en) | 2002-04-11 |
US7321171B2 (en) | 2008-01-22 |
JP2001319928A (ja) | 2001-11-16 |
US6818546B2 (en) | 2004-11-16 |
US20080042282A1 (en) | 2008-02-21 |
KR100779295B1 (ko) | 2007-11-23 |
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