JP2021508604A - 深溝エッチングに基づくキャビティ形成方法 - Google Patents
深溝エッチングに基づくキャビティ形成方法 Download PDFInfo
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- JP2021508604A JP2021508604A JP2020520014A JP2020520014A JP2021508604A JP 2021508604 A JP2021508604 A JP 2021508604A JP 2020520014 A JP2020520014 A JP 2020520014A JP 2020520014 A JP2020520014 A JP 2020520014A JP 2021508604 A JP2021508604 A JP 2021508604A
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- 238000000034 method Methods 0.000 title claims abstract description 67
- 238000005530 etching Methods 0.000 title claims abstract description 24
- 230000015572 biosynthetic process Effects 0.000 title description 8
- 239000004065 semiconductor Substances 0.000 claims abstract description 39
- 239000000758 substrate Substances 0.000 claims abstract description 32
- 238000000137 annealing Methods 0.000 claims abstract description 17
- 230000008569 process Effects 0.000 claims description 30
- 229910052710 silicon Inorganic materials 0.000 claims description 28
- 239000010703 silicon Substances 0.000 claims description 28
- 239000000463 material Substances 0.000 claims description 17
- 239000000470 constituent Substances 0.000 claims description 5
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 3
- 229910001882 dioxygen Inorganic materials 0.000 claims description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 2
- 229910001873 dinitrogen Inorganic materials 0.000 claims description 2
- 238000001312 dry etching Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 abstract description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 26
- 239000011295 pitch Substances 0.000 description 16
- 239000012535 impurity Substances 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000012212 insulator Substances 0.000 description 5
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 238000005468 ion implantation Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 4
- 229910021426 porous silicon Inorganic materials 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 3
- 238000005229 chemical vapour deposition Methods 0.000 description 3
- 229910021332 silicide Inorganic materials 0.000 description 3
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 description 3
- 229910000577 Silicon-germanium Inorganic materials 0.000 description 2
- LEVVHYCKPQWKOP-UHFFFAOYSA-N [Si].[Ge] Chemical compound [Si].[Ge] LEVVHYCKPQWKOP-UHFFFAOYSA-N 0.000 description 2
- 238000002513 implantation Methods 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- 150000004767 nitrides Chemical class 0.000 description 2
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 description 2
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 238000007740 vapor deposition Methods 0.000 description 2
- 229910008045 Si-Si Inorganic materials 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 229910006411 Si—Si Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 description 1
- UGACIEPFGXRWCH-UHFFFAOYSA-N [Si].[Ti] Chemical compound [Si].[Ti] UGACIEPFGXRWCH-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- HTXDPTMKBJXEOW-UHFFFAOYSA-N dioxoiridium Chemical group O=[Ir]=O HTXDPTMKBJXEOW-UHFFFAOYSA-N 0.000 description 1
- 229910000457 iridium oxide Inorganic materials 0.000 description 1
- 238000004518 low pressure chemical vapour deposition Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—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
- 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
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/302—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to change their surface-physical characteristics or shape, e.g. etching, polishing, cutting
- H01L21/306—Chemical or electrical treatment, e.g. electrolytic etching
- H01L21/3065—Plasma etching; Reactive-ion etching
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
- G01L9/0041—Transmitting or indicating the displacement of flexible diaphragms
- G01L9/0042—Constructional details associated with semiconductive diaphragm sensors, e.g. etching, or constructional details of non-semiconductive diaphragms
- G01L9/0045—Diaphragm associated with a buried cavity
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B81—MICROSTRUCTURAL TECHNOLOGY
- B81C—PROCESSES OR APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OR TREATMENT OF MICROSTRUCTURAL DEVICES OR SYSTEMS
- B81C1/00—Manufacture or treatment of devices or systems in or on a substrate
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B81—MICROSTRUCTURAL TECHNOLOGY
- B81C—PROCESSES OR APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OR TREATMENT OF MICROSTRUCTURAL DEVICES OR SYSTEMS
- B81C1/00—Manufacture or treatment of devices or systems in or on a substrate
- B81C1/00388—Etch mask forming
- B81C1/00404—Mask characterised by its size, orientation or shape
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02367—Substrates
- H01L21/0237—Materials
- H01L21/02373—Group 14 semiconducting materials
- H01L21/02381—Silicon, silicon germanium, germanium
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02518—Deposited layers
- H01L21/02521—Materials
- H01L21/02524—Group 14 semiconducting materials
- H01L21/02532—Silicon, silicon germanium, germanium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B81—MICROSTRUCTURAL TECHNOLOGY
- B81C—PROCESSES OR APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OR TREATMENT OF MICROSTRUCTURAL DEVICES OR SYSTEMS
- B81C2201/00—Manufacture or treatment of microstructural devices or systems
- B81C2201/01—Manufacture or treatment of microstructural devices or systems in or on a substrate
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Plasma & Fusion (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Analytical Chemistry (AREA)
- Element Separation (AREA)
- Micromachines (AREA)
- Pressure Sensors (AREA)
Abstract
【選択図】図5
Description
図2A〜図2Cに、本発明の例示的な実施例の方法において順に実施される工程のそれぞれによる部品の模式断面図が示されている。
Claims (20)
- 半導体下地を提供し、前記半導体下地において複数の溝から構成されるアレイを形成するとともに、前記アレイにおける最外周の溝同士の間のピッチを前記アレイにおける他の溝同士の間のピッチよりも大きくするように、前記半導体下地に対して前記深溝エッチングを行うことと、
前記半導体下地の中にキャビティを形成するように、前記半導体下地に対して焼鈍処理を行うことと、
を含むことを特徴とする深溝エッチングに基づくキャビティ形成方法。 - 前記キャビティを形成した後、前記半導体下地上にエピタキシャル材料層を形成することをさらに含むことを特徴とする、請求項1に記載の方法。
- エピタキシャル成長プロセスにより前記エピタキシャル材料層を形成することを特徴とする、請求項2に記載の方法。
- 前記エピタキシャル材料層の厚さは10.0ミクロン〜50.0ミクロンであることを特徴とする、請求項2又は請求項3に記載の方法。
- 前記エピタキシャル材料層は材料としてシリコンを含有することを特徴とする、請求項2又は請求項3に記載の方法。
- 前記溝の固有寸法は0.5ミクロン〜1.0ミクロンであることを特徴とする、請求項1に記載の方法。
- 前記溝のエッチング深さは1.0ミクロン〜20.0ミクロンであることを特徴とする、請求項1に記載の方法。
- 隣接する溝同士のピッチは0.5ミクロン〜1.0ミクロンであることを特徴とする、請求項1に記載の方法。
- 前記溝の形状は円形であることを特徴とする、請求項1に記載の方法。
- 前記溝の形状は四角形であることを特徴とする、請求項1に記載の方法。
- 非酸素ガス雰囲気で前記焼鈍を実施することを特徴とする、請求項1に記載の方法。
- 水素ガス雰囲気で前記焼鈍を実施することを特徴とする、請求項11に記載の方法。
- 窒素ガス雰囲気で前記焼鈍を実施することを特徴とする、請求項11に記載の方法。
- 前記焼鈍の温度は800℃よりも高いことを特徴とする、請求項1又は請求項11に記載の方法。
- 前記アレイを構成する溝同士の間のピッチの大きさを変更することで、前記焼鈍処理を実施した場合、異なる固有寸法を有する単一のキャビティが形成されることを特徴とする、請求項1に記載の方法。
- 前記溝同士の間の間隙が大きくなるほど、前記焼鈍処理の温度を高くすることを特徴とする、請求項15に記載の方法。
- 前記半導体下地は構成材料としてシリコンを含有することを特徴とする、請求項1に記載の方法。
- 前記深溝エッチングはドライエッチングであることを特徴とする、請求項1に記載の方法。
- 前記焼鈍処理の継続時間は20minを超えないことを特徴とする、請求項1に記載の方法。
- 前記半導体下地上にフロントエンド部品が形成され、前記フロントエンド部品はゲート構造を含むことを特徴とする、請求項1に記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710692827.7 | 2017-08-14 | ||
CN201710692827.7A CN109384195B (zh) | 2017-08-14 | 2017-08-14 | 一种基于深槽腐蚀的空腔形成方法 |
PCT/CN2018/100330 WO2019034028A1 (zh) | 2017-08-14 | 2018-08-14 | 一种基于深槽腐蚀的空腔形成方法 |
Publications (1)
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JP2021508604A true JP2021508604A (ja) | 2021-03-11 |
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JP2020520014A Pending JP2021508604A (ja) | 2017-08-14 | 2018-08-14 | 深溝エッチングに基づくキャビティ形成方法 |
Country Status (5)
Country | Link |
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US (1) | US20200243342A1 (ja) |
JP (1) | JP2021508604A (ja) |
KR (1) | KR20200051637A (ja) |
CN (1) | CN109384195B (ja) |
WO (1) | WO2019034028A1 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN111628748B (zh) * | 2019-02-28 | 2022-10-14 | 无锡华润上华科技有限公司 | 声表面波器件及其制备方法 |
CN111762752B (zh) * | 2020-05-25 | 2024-09-24 | 深迪半导体(绍兴)有限公司 | Mems器件及其制造方法 |
Citations (8)
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JP2001144276A (ja) * | 1999-08-31 | 2001-05-25 | Toshiba Corp | 半導体基板およびその製造方法 |
US20070126071A1 (en) * | 2005-09-28 | 2007-06-07 | Stmicroelectronics S.R.L. | Process for manufacturing thick suspended structures of semiconductor material |
JP2007266613A (ja) * | 1999-08-31 | 2007-10-11 | Toshiba Corp | 半導体基板および半導体装置 |
JP2007273993A (ja) * | 1999-08-31 | 2007-10-18 | Toshiba Corp | 半導体基板の製造方法 |
JP2012089540A (ja) * | 2010-10-15 | 2012-05-10 | Fuji Electric Co Ltd | 半導体装置の製造方法 |
JP2013062267A (ja) * | 2011-09-12 | 2013-04-04 | Fuji Electric Co Ltd | 半導体基板の製造方法および半導体装置の製造方法 |
US20130221495A1 (en) * | 2012-02-24 | 2013-08-29 | The Hong Kong University Of Science And Technology | Oxide microchannel with controllable diameter |
US20140097521A1 (en) * | 2012-10-09 | 2014-04-10 | Infineon Technologies Dresden Gmbh | Silicon on Nothing Devices and Methods of Formation Thereof |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5891597B2 (ja) * | 2011-04-07 | 2016-03-23 | 富士電機株式会社 | 半導体基板または半導体装置の製造方法 |
US9236241B2 (en) * | 2014-05-05 | 2016-01-12 | Infineon Technologies Dresden Gmbh | Wafer, a method for processing a wafer, and a method for processing a carrier |
CN105036059B (zh) * | 2015-06-24 | 2017-01-25 | 上海芯赫科技有限公司 | 一种电容式mems传感器的加工方法及传感器结构 |
CN105428218B (zh) * | 2015-12-10 | 2019-04-12 | 杭州士兰微电子股份有限公司 | 空腔形成方法以及半导体器件结构 |
CN106365106B (zh) * | 2016-09-23 | 2018-09-04 | 杭州士兰集成电路有限公司 | Mems器件及其制造方法 |
-
2017
- 2017-08-14 CN CN201710692827.7A patent/CN109384195B/zh active Active
-
2018
- 2018-08-14 US US16/646,946 patent/US20200243342A1/en not_active Abandoned
- 2018-08-14 WO PCT/CN2018/100330 patent/WO2019034028A1/zh active Application Filing
- 2018-08-14 JP JP2020520014A patent/JP2021508604A/ja active Pending
- 2018-08-14 KR KR1020207007253A patent/KR20200051637A/ko not_active Application Discontinuation
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001144276A (ja) * | 1999-08-31 | 2001-05-25 | Toshiba Corp | 半導体基板およびその製造方法 |
JP2007266613A (ja) * | 1999-08-31 | 2007-10-11 | Toshiba Corp | 半導体基板および半導体装置 |
JP2007273993A (ja) * | 1999-08-31 | 2007-10-18 | Toshiba Corp | 半導体基板の製造方法 |
US20070126071A1 (en) * | 2005-09-28 | 2007-06-07 | Stmicroelectronics S.R.L. | Process for manufacturing thick suspended structures of semiconductor material |
JP2012089540A (ja) * | 2010-10-15 | 2012-05-10 | Fuji Electric Co Ltd | 半導体装置の製造方法 |
JP2013062267A (ja) * | 2011-09-12 | 2013-04-04 | Fuji Electric Co Ltd | 半導体基板の製造方法および半導体装置の製造方法 |
US20130221495A1 (en) * | 2012-02-24 | 2013-08-29 | The Hong Kong University Of Science And Technology | Oxide microchannel with controllable diameter |
US20140097521A1 (en) * | 2012-10-09 | 2014-04-10 | Infineon Technologies Dresden Gmbh | Silicon on Nothing Devices and Methods of Formation Thereof |
Also Published As
Publication number | Publication date |
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CN109384195A (zh) | 2019-02-26 |
WO2019034028A1 (zh) | 2019-02-21 |
KR20200051637A (ko) | 2020-05-13 |
CN109384195B (zh) | 2020-08-14 |
US20200243342A1 (en) | 2020-07-30 |
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