JP6759520B2 - 半導体構造を製作する方法 - Google Patents
半導体構造を製作する方法 Download PDFInfo
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- JP6759520B2 JP6759520B2 JP2019504704A JP2019504704A JP6759520B2 JP 6759520 B2 JP6759520 B2 JP 6759520B2 JP 2019504704 A JP2019504704 A JP 2019504704A JP 2019504704 A JP2019504704 A JP 2019504704A JP 6759520 B2 JP6759520 B2 JP 6759520B2
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- 239000004065 semiconductor Substances 0.000 title claims description 58
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 130
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 129
- 238000000034 method Methods 0.000 claims description 81
- 238000000059 patterning Methods 0.000 claims description 25
- 239000000758 substrate Substances 0.000 claims description 24
- 239000002002 slurry Substances 0.000 claims description 21
- 238000000151 deposition Methods 0.000 claims description 13
- 238000004140 cleaning Methods 0.000 claims description 12
- 229910052710 silicon Inorganic materials 0.000 claims description 12
- 239000010703 silicon Substances 0.000 claims description 12
- 238000004519 manufacturing process Methods 0.000 claims description 11
- CETPSERCERDGAM-UHFFFAOYSA-N ceric oxide Chemical compound O=[Ce]=O CETPSERCERDGAM-UHFFFAOYSA-N 0.000 claims description 8
- 229910000422 cerium(IV) oxide Inorganic materials 0.000 claims description 8
- 230000005496 eutectics Effects 0.000 claims description 8
- 230000003647 oxidation Effects 0.000 claims description 8
- 238000007254 oxidation reaction Methods 0.000 claims description 8
- 239000000126 substance Substances 0.000 claims description 6
- 239000010410 layer Substances 0.000 description 248
- 229910004298 SiO 2 Inorganic materials 0.000 description 30
- 235000012431 wafers Nutrition 0.000 description 20
- 230000004048 modification Effects 0.000 description 19
- 238000012986 modification Methods 0.000 description 19
- 239000000203 mixture Substances 0.000 description 13
- 230000008569 process Effects 0.000 description 12
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 11
- 230000008021 deposition Effects 0.000 description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 8
- 238000005229 chemical vapour deposition Methods 0.000 description 8
- SIOXPEMLGUPBBT-UHFFFAOYSA-N picolinic acid Chemical compound OC(=O)C1=CC=CC=N1 SIOXPEMLGUPBBT-UHFFFAOYSA-N 0.000 description 8
- 239000000463 material Substances 0.000 description 7
- 150000004767 nitrides Chemical class 0.000 description 7
- 238000005498 polishing Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 239000011347 resin Substances 0.000 description 5
- 229920005989 resin Polymers 0.000 description 5
- 230000003746 surface roughness Effects 0.000 description 5
- 238000000227 grinding Methods 0.000 description 4
- 230000010354 integration Effects 0.000 description 4
- 229940081066 picolinic acid Drugs 0.000 description 4
- 239000000377 silicon dioxide Substances 0.000 description 4
- 235000012239 silicon dioxide Nutrition 0.000 description 4
- 239000004094 surface-active agent Substances 0.000 description 4
- 238000000137 annealing Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000005530 etching Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 3
- 206010015535 Euphoric mood Diseases 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002743 euphoric effect Effects 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 238000005468 ion implantation Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 239000002210 silicon-based material Substances 0.000 description 2
- 238000004381 surface treatment Methods 0.000 description 2
- BSKHPKMHTQYZBB-UHFFFAOYSA-N 2-methylpyridine Chemical compound CC1=CC=CC=N1 BSKHPKMHTQYZBB-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
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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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- H01L21/31105—Etching inorganic layers
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- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
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- G02B6/12—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind
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- G02B6/132—Integrated optical circuits characterised by the manufacturing method by deposition of thin films
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- G02B6/12—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind
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- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/76—Making of isolation regions between components
- H01L21/762—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers
- H01L21/7624—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using semiconductor on insulator [SOI] technology
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- H01L21/762—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers
- H01L21/7624—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using semiconductor on insulator [SOI] technology
- H01L21/76251—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using semiconductor on insulator [SOI] technology using bonding techniques
- H01L21/76254—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using semiconductor on insulator [SOI] technology using bonding techniques with separation/delamination along an ion implanted layer, e.g. Smart-cut, Unibond
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- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/768—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics
- H01L21/76801—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the dielectrics, e.g. smoothing
- H01L21/76802—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the dielectrics, e.g. smoothing by forming openings in dielectrics
- H01L21/76816—Aspects relating to the layout of the pattern or to the size of vias or trenches
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Description
Claims (14)
- 窒化ケイ素パターン化層(102)をキャリア基板(101)上に設けるステップと、
共形酸化物の第1の層(103)を、前記窒化ケイ素パターン化層(102)上に設けて、前記第1の層が前記窒化ケイ素パターン化層を完全に覆うようにする、ステップと、
共形酸化物の前記第1の層(103)を前記窒化ケイ素パターン化層(102)の上方で所定の厚さに平坦化して、平坦化酸化物層(103’)を形成するステップと、
を含む半導体構造を製作する方法において、
共形酸化物の前記第1の層(103)を平坦化する前記ステップの後に、前記方法が、
前記窒化ケイ素パターン化層(102)を清浄化し、ディッシング高さを有するディッシングの生じた窒化ケイ素パターン化層(102’)を形成するステップと、
その後、共形酸化物の第2の層(104)を前記ディッシングの生じた窒化ケイ素パターン化層(102’)の上又は上方に設けるステップと、
をさらに含むことを特徴とする、方法。 - 共形酸化物の前記第1の層(103)を設ける前記ステップが、共形酸化物の前記第1の層(103)を堆積させることを含む、請求項1に記載の方法。
- 共形酸化物の前記第1の層(103)を設ける前記ステップが、前記窒化ケイ素パターン化層(102)の厚さの約1.5倍の厚さにおいて停止される、請求項1又は2に記載の方法。
- 共形酸化物の前記第1の層(103)を平坦化する前記ステップにおいて、前記所定の厚さが前記窒化ケイ素パターン化層(102)の上方で約100nmである、請求項1〜3のいずれか一項に記載の方法。
- 前記窒化ケイ素パターン化層(102)を清浄化する前記ステップが、前記平坦化酸化物層(103’)の選択的化学機械平坦化(CMP)を実行することを含む、請求項1〜4のいずれか一項に記載の方法。
- 前記選択的CMPが、セリアベースのスラリーを用いて実施される、請求項5に記載の方法。
- 共形酸化物の前記第2の層(104)が、共形酸化物の前記第2の層(104)を堆積させることによって、又は前記ディッシングの生じた窒化ケイ素パターン化層(102’)を再酸化させることによって設けられる、請求項1〜6のいずれか一項に記載の方法。
- 前記窒化ケイ素パターン化層を清浄化する前記ステップ、及びその後、共形酸化物の第2の層を設ける前記ステップを繰り返すステップをさらに含み、共形酸化物の前記第2の層が、以前に得られた前記ディッシングの生じた窒化ケイ素パターン化層の前記ディッシング高さの約1.5倍の厚さを有する、請求項1〜7のいずれか一項に記載の方法。
- 前記ディッシングの生じた窒化ケイ素パターン化層(102’)の上方における、共形酸化物の前記第2の層(104)の厚さが、約50nm未満であり、前記厚さが、約20%よりも高い均一性を有する、請求項1〜8のいずれか一項に記載の方法。
- 分離可能な半導体層(202)を備えるドナー基板(201)を準備するステップと、
前記分離可能な半導体層(202)をディッシングの生じた前記窒化ケイ素パターン化層(102’)上に転写するステップと、
をさらに含む、請求項1〜9のいずれか一項に記載の方法。 - 前記転写ステップの前及び/又は後に、前記分離可能な半導体層(202)をパターニングして、能動デバイスを形成するステップをさらに含む、請求項10に記載の方法。
- 前記転写ステップの前に、接合層を前記分離可能な半導体層(202)上に設けるステップをさらに含む、請求項10又は11に記載の方法。
- 前記分離可能な半導体層(202)がシリコンからなり、前記接合層が前記分離可能な半導体層(202)の熱酸化によって得られる、請求項12に記載の方法。
- 前記ディッシングの生じた窒化ケイ素パターン化層(102)の上方における、共形酸化物の前記第2の層(104)と、前記接合層とを合わせた厚さが、約50nm〜約300nmの範囲内である、請求項12又は13に記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1657575A FR3054927B1 (fr) | 2016-08-04 | 2016-08-04 | Procede de fabrication d'une structure de semi-conducteur |
FR1657575 | 2016-08-04 | ||
PCT/EP2017/068979 WO2018024595A1 (en) | 2016-08-04 | 2017-07-27 | Method for manufacturing a semiconductor structure |
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JP2019528566A JP2019528566A (ja) | 2019-10-10 |
JP6759520B2 true JP6759520B2 (ja) | 2020-09-23 |
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US (1) | US11156778B2 (ja) |
EP (1) | EP3494425B1 (ja) |
JP (1) | JP6759520B2 (ja) |
KR (1) | KR102152705B1 (ja) |
CN (1) | CN109716185B (ja) |
FR (1) | FR3054927B1 (ja) |
SG (1) | SG11201900829YA (ja) |
TW (1) | TWI775763B (ja) |
WO (1) | WO2018024595A1 (ja) |
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FR3054927B1 (fr) | 2016-08-04 | 2018-07-13 | Soitec | Procede de fabrication d'une structure de semi-conducteur |
KR102684977B1 (ko) | 2019-07-08 | 2024-07-17 | 삼성전자주식회사 | 반도체 발광소자 제조방법 |
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US5968239A (en) | 1996-11-12 | 1999-10-19 | Kabushiki Kaisha Toshiba | Polishing slurry |
US6057210A (en) * | 1998-04-21 | 2000-05-02 | Vanguard International Semiconductor Corporation | Method of making a shallow trench isolation for ULSI formation via in-direct CMP process |
US6048775A (en) * | 1999-05-24 | 2000-04-11 | Vanguard International Semiconductor Corporation | Method to make shallow trench isolation structure by HDP-CVD and chemical mechanical polish processes |
TW429514B (en) * | 1999-10-06 | 2001-04-11 | Mosel Vitelic Inc | Planarization method for polysilicon layer deposited on the trench |
US6500729B1 (en) * | 2000-06-02 | 2002-12-31 | Agere Systems Guardian Corp. | Method for reducing dishing related issues during the formation of shallow trench isolation structures |
US6645867B2 (en) | 2001-05-24 | 2003-11-11 | International Business Machines Corporation | Structure and method to preserve STI during etching |
WO2007102248A1 (ja) | 2006-03-08 | 2007-09-13 | Sharp Kabushiki Kaisha | 半導体装置及びその製造方法 |
US7364975B2 (en) * | 2006-07-20 | 2008-04-29 | Infineon Technologies Ag | Semiconductor device fabrication methods |
FR2906078B1 (fr) | 2006-09-19 | 2009-02-13 | Commissariat Energie Atomique | Procede de fabrication d'une structure micro-technologique mixte et une structure ainsi obtenue |
WO2009051903A1 (en) * | 2007-10-18 | 2009-04-23 | Bae Systems Information And Electronic Systems Integration Inc. | Method for manufacturing multiple layers of waveguides |
EP2648025A1 (en) * | 2012-04-02 | 2013-10-09 | Caliopa NV | A process for manufacturing a photonic circuit |
EP2685297B1 (en) * | 2012-07-13 | 2017-12-06 | Huawei Technologies Co., Ltd. | A process for manufacturing a photonic circuit with active and passive structures |
FR3054927B1 (fr) | 2016-08-04 | 2018-07-13 | Soitec | Procede de fabrication d'une structure de semi-conducteur |
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- 2016-08-04 FR FR1657575A patent/FR3054927B1/fr active Active
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- 2017-07-24 TW TW106124683A patent/TWI775763B/zh active
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- 2017-07-27 KR KR1020197004687A patent/KR102152705B1/ko active IP Right Grant
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- 2017-07-27 EP EP17752037.6A patent/EP3494425B1/en active Active
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KR20190028532A (ko) | 2019-03-18 |
WO2018024595A1 (en) | 2018-02-08 |
US11156778B2 (en) | 2021-10-26 |
TWI775763B (zh) | 2022-09-01 |
US20190187376A1 (en) | 2019-06-20 |
FR3054927A1 (ja) | 2018-02-09 |
SG11201900829YA (en) | 2019-02-27 |
CN109716185A (zh) | 2019-05-03 |
CN109716185B (zh) | 2023-03-31 |
JP2019528566A (ja) | 2019-10-10 |
KR102152705B1 (ko) | 2020-09-07 |
EP3494425B1 (en) | 2022-02-16 |
TW201816443A (zh) | 2018-05-01 |
FR3054927B1 (fr) | 2018-07-13 |
EP3494425A1 (en) | 2019-06-12 |
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