KR100591222B1 - 기공율 변동 다공질 실리콘 절연 - Google Patents
기공율 변동 다공질 실리콘 절연 Download PDFInfo
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- KR100591222B1 KR100591222B1 KR1019990030731A KR19990030731A KR100591222B1 KR 100591222 B1 KR100591222 B1 KR 100591222B1 KR 1019990030731 A KR1019990030731 A KR 1019990030731A KR 19990030731 A KR19990030731 A KR 19990030731A KR 100591222 B1 KR100591222 B1 KR 100591222B1
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- 229910021426 porous silicon Inorganic materials 0.000 title claims abstract description 54
- 238000002955 isolation Methods 0.000 title claims description 9
- 239000000758 substrate Substances 0.000 claims abstract description 22
- 238000000034 method Methods 0.000 claims description 23
- 239000010410 layer Substances 0.000 abstract description 49
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract description 15
- 239000010703 silicon Substances 0.000 abstract description 14
- 229910052710 silicon Inorganic materials 0.000 abstract description 13
- 230000003647 oxidation Effects 0.000 abstract description 10
- 238000007254 oxidation reaction Methods 0.000 abstract description 10
- 238000009413 insulation Methods 0.000 abstract description 9
- 239000002344 surface layer Substances 0.000 abstract 1
- 230000015572 biosynthetic process Effects 0.000 description 10
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 9
- 239000011148 porous material Substances 0.000 description 7
- 239000003792 electrolyte Substances 0.000 description 6
- QPJSUIGXIBEQAC-UHFFFAOYSA-N n-(2,4-dichloro-5-propan-2-yloxyphenyl)acetamide Chemical compound CC(C)OC1=CC(NC(C)=O)=C(Cl)C=C1Cl QPJSUIGXIBEQAC-UHFFFAOYSA-N 0.000 description 5
- 239000000243 solution Substances 0.000 description 4
- 239000004094 surface-active agent Substances 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 239000012212 insulator Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 150000004767 nitrides Chemical class 0.000 description 3
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 3
- 229910010271 silicon carbide Inorganic materials 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000000137 annealing Methods 0.000 description 2
- 238000002048 anodisation reaction Methods 0.000 description 2
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000000080 wetting agent Substances 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 239000013504 Triton X-100 Substances 0.000 description 1
- 229920004890 Triton X-100 Polymers 0.000 description 1
- 238000004380 ashing Methods 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- -1 for example Substances 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 1
- 238000001020 plasma etching Methods 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 229910021332 silicide Inorganic materials 0.000 description 1
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
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Abstract
Description
본 발명의 많은 형식적인 교시들이 바람직한 실시예를 참조하여 기술될 것이다. 그러나, 본 실시예는 혁신적인 교시들의 많은 유용한 사용들 중 몇가지 실시예만을 제공하고 있다는 것을 이해하여야 할 것이다. 일반적으로, 본 출원의 명세서에서 행해진 설명은 다양한 청구된 발명의 어느 것도 한정할 필요가 없다. 게다가, 일부 설명은 몇몇 발명의 특징에 대하여 적용될 수 있지만, 다른 것에는 적용하지 않은 수 있다.
Claims (13)
- 집적 회로 구조체에 있어서,비공질 부분을 포함하며 평면 크기를 정의하는 기판과,기공율이 예측 가능한 방식으로 변화하는 다공질 실리콘 영역을 포함하며,상기 다공질 실리콘 영역은상기 평면 크기를 따라 정렬되고 상기 비공질 부분으로부터 간격을 두고 형성된 상면을 갖는, 제1 기공율의 제1 영역과,상기 평면 크기를 따라 정렬되고 상기 제1 영역 및 상기 비공질 영역 사이에 배치된, 제2 기공율의 제2 영역을 포함하며,상기 제2 기공율은 상기 제1 기공율보다 큰 집적 회로 구조체.
- 제1항에 있어서,상기 다공질 실리콘 영역의 상기 상면 상에 에피텍셜층을 더 포함하는 것을 특징으로 하는 집적 회로 구조체.
- 제1항에 있어서,상기 다공질 실리콘 영역은 회로 소자들에 대해 측방향 절연(lateral isolation)을 제공하는 집적 회로 구조체.
- 제1항에 있어서,상기 다공질 실리콘 영역은 회로 소자들에 대해 수직 절연(vertical isolation)을 제공하는 집적 회로 구조체.
- 제1항에 있어서,상기 기판에 대하여 고정 관계로 형성된 복수의 회로 소자를 더 포함하고,상기 다공질 실리콘 영역은 상기 복수의 회로 소자에 대해 측방향 절연을 제공하는 집적 회로 구조체.
- 제1항에 있어서,상기 기판에 대하여 고정 관계로 형성된 복수의 회로 소자를 더 포함하고,상기 다공질 실리콘 영역은 상기 복수의 회로 소자에 대해 수직 절연을 제공하는 집적 회로 구조체.
- 제1항에 있어서,상기 제1 기공율은 15-35 퍼센트이며,상기 제2 기공율은 30-70 퍼센트인 집적 회로 구조체.
- 제1항에 있어서,상기 다공질 실리콘 영역은 상기 비공질 부분에 인접한 위치에 제3 기공율을 갖는 제3 영역을 포함하며,상기 제3 기공율은 상기 제2 기공율보다 높은 집적 회로 구조체.
- 제8항에 있어서,상기 제1 기공율은 15-35 퍼센트이며,상기 제2 기공율은 30-70 퍼센트이며,상기 제3 기공율은 60-80 퍼센트인 집적 회로 구조체.
- 제8항에 있어서,상기 다공질 실리콘 영역의 상기 상면 상에 에피텍셜층을 더 포함하는 것을 특징으로 하는 집적 회로 구조체.
- 제8항에 있어서,상기 다공질 실리콘 영역은 상기 상면 하부 위치와 상기 비공질 부분에 인접한 위치 사이에 제4 기공율을 갖는 제4 영역을 포함하며,상기 제3 기공율은 상기 제4 기공율보다 높은 집적 회로 구조체.
- 제11항에 있어서,상기 제1 기공율은 25-50 퍼센트이며,상기 제2 기공율은 60-80 퍼센트이며,상기 제3 기공율은 60-80 퍼센트이며,상기 제4 기공율은 25-50 퍼센트인 집적 회로 구조체.
- 제11항에 있어서,상기 기판에 대하여 고정 관계로 형성된 복수의 회로 소자를 더 포함하고,상기 다공질 실리콘 영역은 상기 복수의 회로 소자에 대해 수직 절연을 제공하는 집적 회로 구조체.
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US9450398P | 1998-07-29 | 1998-07-29 | |
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US6489217B1 (en) * | 2001-07-03 | 2002-12-03 | Maxim Integrated Products, Inc. | Method of forming an integrated circuit on a low loss substrate |
JP2005504433A (ja) * | 2001-07-18 | 2005-02-10 | トリコン ホールディングス リミティド | 低誘電率層 |
US6791155B1 (en) | 2002-09-20 | 2004-09-14 | Integrated Device Technology, Inc. | Stress-relieved shallow trench isolation (STI) structure and method for forming the same |
DE10320201A1 (de) * | 2003-05-07 | 2004-12-02 | Robert Bosch Gmbh | Vorrichtung mit einer Halbleiterschaltung |
FR2857155B1 (fr) * | 2003-07-01 | 2005-10-21 | St Microelectronics Sa | Procede de fabrication de couches contraintes de silicium ou d'un alliage de silicium-germanium |
US7125458B2 (en) * | 2003-09-12 | 2006-10-24 | International Business Machines Corporation | Formation of a silicon germanium-on-insulator structure by oxidation of a buried porous silicon layer |
US7566482B2 (en) | 2003-09-30 | 2009-07-28 | International Business Machines Corporation | SOI by oxidation of porous silicon |
US20050181572A1 (en) * | 2004-02-13 | 2005-08-18 | Verhoeven Tracy B. | Method for acoustically isolating an acoustic resonator from a substrate |
US7172930B2 (en) * | 2004-07-02 | 2007-02-06 | International Business Machines Corporation | Strained silicon-on-insulator by anodization of a buried p+ silicon germanium layer |
CN1315160C (zh) * | 2004-09-30 | 2007-05-09 | 北京大学 | Soc硅衬底的加工方法 |
WO2006131177A2 (de) * | 2005-06-06 | 2006-12-14 | Universität Stuttgart | Verfahren zur herstellung von saatschichten zur abscheidung von halbleitermaterial |
JP2009508323A (ja) * | 2005-06-27 | 2009-02-26 | ザ リージェンツ オブ ザ ユニバーシティ オブ カリフォルニア | 浅溝を形成するための方法 |
JP2007127734A (ja) * | 2005-11-02 | 2007-05-24 | Fujifilm Corp | 放射線画像情報検出パネルおよび放射線画像情報読取装置 |
EP1959490A1 (fr) * | 2007-02-15 | 2008-08-20 | Stmicroelectronics SA | Procédé de fabrication d'une structure de type semiconducteur sur isolant |
US8568877B2 (en) * | 2010-03-09 | 2013-10-29 | Board Of Regents Of The University Of Texas System | Porous and non-porous nanostructures |
US8415555B2 (en) * | 2010-08-24 | 2013-04-09 | Corning Incorporated | Dimensional silica-based porous silicon structures and methods of fabrication |
CN102064186A (zh) * | 2010-11-15 | 2011-05-18 | 王楚雯 | 半导体结构及其形成方法 |
CN102104060B (zh) * | 2010-11-15 | 2013-03-20 | 王楚雯 | 一种半导体结构及其形成方法 |
JP5531973B2 (ja) * | 2011-01-20 | 2014-06-25 | 信越半導体株式会社 | 貼り合わせ基板及びその製造方法 |
FR2994489B1 (fr) * | 2012-08-08 | 2015-07-31 | Commissariat Energie Atomique | Substrat pour lithographie electronique a haute resolution et procede de lithographie correspondant |
KR102061563B1 (ko) * | 2013-08-06 | 2020-01-02 | 삼성전자주식회사 | 반도체 발광소자 |
RU2554298C1 (ru) * | 2013-12-05 | 2015-06-27 | Федеральное государственное бюджетное учреждение науки Омский научный центр Сибирского отделения Российской академии наук (ОНЦ СО РАН) | Способ получения многослойной структуры пористый кремний на изоляторе |
US10833175B2 (en) * | 2015-06-04 | 2020-11-10 | International Business Machines Corporation | Formation of dislocation-free SiGe finFET using porous silicon |
US10008382B2 (en) * | 2015-07-30 | 2018-06-26 | Taiwan Semiconductor Manufacturing Company, Ltd. | Semiconductor device having a porous low-k structure |
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