JP2019528566A - 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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- 238000000034 method Methods 0.000 title claims abstract description 86
- 239000004065 semiconductor Substances 0.000 title claims abstract description 60
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims abstract description 139
- 229910052581 Si3N4 Inorganic materials 0.000 claims abstract description 138
- 239000000758 substrate Substances 0.000 claims abstract description 26
- 238000012546 transfer Methods 0.000 claims description 26
- 239000002002 slurry Substances 0.000 claims description 22
- 238000004140 cleaning Methods 0.000 claims description 15
- 238000000151 deposition Methods 0.000 claims description 15
- 239000000203 mixture Substances 0.000 claims description 15
- 238000005229 chemical vapour deposition Methods 0.000 claims description 12
- SIOXPEMLGUPBBT-UHFFFAOYSA-N picolinic acid Chemical compound OC(=O)C1=CC=CC=N1 SIOXPEMLGUPBBT-UHFFFAOYSA-N 0.000 claims description 10
- 229910052710 silicon Inorganic materials 0.000 claims description 10
- 239000010703 silicon Substances 0.000 claims description 10
- 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
- 230000003647 oxidation Effects 0.000 claims description 6
- 238000007254 oxidation reaction Methods 0.000 claims description 6
- 239000011347 resin Substances 0.000 claims description 6
- 229920005989 resin Polymers 0.000 claims description 6
- 229940081066 picolinic acid Drugs 0.000 claims description 5
- 239000000126 substance Substances 0.000 claims description 5
- 239000004094 surface-active agent Substances 0.000 claims description 5
- 238000000059 patterning Methods 0.000 claims description 3
- 238000010405 reoxidation reaction Methods 0.000 claims description 2
- 238000002425 crystallisation Methods 0.000 claims 1
- 230000008025 crystallization Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 239000010410 layer Substances 0.000 description 251
- 229910004298 SiO 2 Inorganic materials 0.000 description 36
- 235000012431 wafers Nutrition 0.000 description 20
- 230000008569 process Effects 0.000 description 12
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 9
- 230000008021 deposition Effects 0.000 description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 150000004767 nitrides Chemical class 0.000 description 6
- 238000005498 polishing Methods 0.000 description 5
- 230000003746 surface roughness Effects 0.000 description 5
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 238000000227 grinding Methods 0.000 description 4
- 230000006872 improvement Effects 0.000 description 4
- 230000010354 integration Effects 0.000 description 4
- 238000000137 annealing Methods 0.000 description 3
- 238000005530 etching Methods 0.000 description 3
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 3
- 239000000377 silicon dioxide Substances 0.000 description 3
- 235000012239 silicon dioxide Nutrition 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 238000005468 ion implantation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000012545 processing Methods 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
- 238000010438 heat treatment Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
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- G02B6/13—Integrated optical circuits characterised by the manufacturing method
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Abstract
Description
Claims (15)
- 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であって、特に、前記窒化ケイ素パターン化層が受動デバイスを形成する、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、特に、前記窒化ケイ素パターン化層直上に設けて、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、特に、化学気相成長(CVD)によって、さらに特に、高密度プラズマ化学気相成長(HDP CVD)によって、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、特に、前記窒化ケイ素パターン化層(102)の上で停止する、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、特に、約0.5重量%のCeO2、約0.5重量%のCeO2及び約0.1重量%のピコリン酸、CeO2及び界面活性剤、或いはCeO2及び樹脂研磨剤のうちの1つを含む組成を有する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)、特に、請求項8との組み合わせにおいては、共形酸化物の最後の層の前記厚さが、約50nm未満、特に、約20nm未満、さらに特に、約5nm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、
特に、共形酸化物の前記第2の層(104)を設ける前記ステップの後に、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、特に、共形酸化物の層を前記ドナー基板(201)の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)、特に、請求項8との組み合わせにおいては、共形酸化物の前記最後の層と、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。
- 請求項1〜14のいずれか一項に記載の方法を用いて製作されたフォトニックデバイス。
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FR1657575A FR3054927B1 (fr) | 2016-08-04 | 2016-08-04 | Procede de fabrication d'une structure de semi-conducteur |
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PCT/EP2017/068979 WO2018024595A1 (en) | 2016-08-04 | 2017-07-27 | Method for manufacturing a semiconductor structure |
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JP2010074192A (ja) * | 2006-03-08 | 2010-04-02 | Sharp Corp | 半導体装置 |
EP2648025A1 (en) * | 2012-04-02 | 2013-10-09 | Caliopa NV | A process for manufacturing a photonic circuit |
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- 2017-07-27 KR KR1020197004687A patent/KR102152705B1/ko active IP Right Grant
- 2017-07-27 CN CN201780056607.3A patent/CN109716185B/zh active Active
- 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 |
JP6759520B2 (ja) | 2020-09-23 |
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 |
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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