JP2021503715A - 半導体デバイス内のアモルファス・シリコン・ハードマスク上のレジスト層をパターニングするための方法、アモルファス・シリコン・ハードマスクのレジスト付着を増大させるための方法、および構造 - Google Patents
半導体デバイス内のアモルファス・シリコン・ハードマスク上のレジスト層をパターニングするための方法、アモルファス・シリコン・ハードマスクのレジスト付着を増大させるための方法、および構造 Download PDFInfo
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- 229910021417 amorphous silicon Inorganic materials 0.000 title claims abstract description 105
- 230000001965 increasing effect Effects 0.000 title claims abstract description 9
- 238000000034 method Methods 0.000 title claims description 48
- 238000000059 patterning Methods 0.000 title claims description 35
- 239000004065 semiconductor Substances 0.000 title claims description 12
- 230000002209 hydrophobic effect Effects 0.000 claims abstract description 43
- 238000002347 injection Methods 0.000 claims abstract description 19
- 239000007924 injection Substances 0.000 claims abstract description 19
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims abstract description 18
- 229910052796 boron Inorganic materials 0.000 claims abstract description 18
- 239000000203 mixture Substances 0.000 claims abstract description 14
- 238000005530 etching Methods 0.000 claims abstract description 11
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 claims abstract description 9
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229910052731 fluorine Inorganic materials 0.000 claims abstract description 9
- 239000011737 fluorine Substances 0.000 claims abstract description 9
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 9
- 239000011574 phosphorus Substances 0.000 claims abstract description 9
- 229910052724 xenon Inorganic materials 0.000 claims abstract description 9
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 claims abstract description 9
- 238000009832 plasma treatment Methods 0.000 claims abstract description 7
- 229920002120 photoresistant polymer Polymers 0.000 claims description 10
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims description 4
- 230000000717 retained effect Effects 0.000 claims description 2
- 238000004140 cleaning Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 72
- 239000012044 organic layer Substances 0.000 description 24
- 239000011295 pitch Substances 0.000 description 9
- 239000000463 material Substances 0.000 description 8
- 239000000758 substrate Substances 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- 238000013459 approach Methods 0.000 description 3
- 230000008021 deposition Effects 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 229910052581 Si3N4 Inorganic materials 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical group [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 description 2
- 238000011960 computer-aided design Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- XPDWGBQVDMORPB-UHFFFAOYSA-N Fluoroform Chemical compound FC(F)F XPDWGBQVDMORPB-UHFFFAOYSA-N 0.000 description 1
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 description 1
- 229910003481 amorphous carbon Inorganic materials 0.000 description 1
- ISQINHMJILFLAQ-UHFFFAOYSA-N argon hydrofluoride Chemical compound F.[Ar] ISQINHMJILFLAQ-UHFFFAOYSA-N 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 238000010336 energy treatment Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000005865 ionizing radiation Effects 0.000 description 1
- 238000001459 lithography Methods 0.000 description 1
- 238000007521 mechanical polishing technique Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000010076 replication Effects 0.000 description 1
- 230000003362 replicative effect Effects 0.000 description 1
- 238000005389 semiconductor device fabrication Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000001029 thermal curing Methods 0.000 description 1
Classifications
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- 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
- H01L21/027—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34
- H01L21/0271—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34 comprising organic layers
- H01L21/0273—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34 comprising organic layers characterised by the treatment of photoresist layers
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- 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
- H01L21/027—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34
- H01L21/033—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34 comprising inorganic layers
- H01L21/0332—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34 comprising inorganic layers characterised by their composition, e.g. multilayer masks, materials
-
- 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
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02296—Forming insulating materials on a substrate characterised by the treatment performed before or after the formation of the layer
- H01L21/02318—Forming insulating materials on a substrate characterised by the treatment performed before or after the formation of the layer post-treatment
- H01L21/02337—Forming insulating materials on a substrate characterised by the treatment performed before or after the formation of the layer post-treatment treatment by exposure to a gas or vapour
- H01L21/0234—Forming insulating materials on a substrate characterised by the treatment performed before or after the formation of the layer post-treatment treatment by exposure to a gas or vapour treatment by exposure to a plasma
-
- 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
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02296—Forming insulating materials on a substrate characterised by the treatment performed before or after the formation of the layer
- H01L21/02318—Forming insulating materials on a substrate characterised by the treatment performed before or after the formation of the layer post-treatment
- H01L21/02356—Forming insulating materials on a substrate characterised by the treatment performed before or after the formation of the layer post-treatment treatment to change the morphology of the insulating layer, e.g. transformation of an amorphous layer into a crystalline layer
-
- 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
- H01L21/02587—Structure
- H01L21/0259—Microstructure
- H01L21/02592—Microstructure amorphous
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- 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
- H01L21/31—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to form insulating layers thereon, e.g. for masking or by using photolithographic techniques; After treatment of these layers; Selection of materials for these layers
- H01L21/3205—Deposition of non-insulating-, e.g. conductive- or resistive-, layers on insulating layers; After-treatment of these layers
- H01L21/32055—Deposition of semiconductive layers, e.g. poly - or amorphous silicon layers
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- 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
- H01L21/31—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to form insulating layers thereon, e.g. for masking or by using photolithographic techniques; After treatment of these layers; Selection of materials for these layers
- H01L21/3205—Deposition of non-insulating-, e.g. conductive- or resistive-, layers on insulating layers; After-treatment of these layers
- H01L21/321—After treatment
- H01L21/3215—Doping the layers
- H01L21/32155—Doping polycristalline - or amorphous silicon layers
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- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- 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
- H01L21/76822—Modification of the material of dielectric layers, e.g. grading, after-treatment to improve the stability of the layers, to increase their density etc.
- H01L21/76826—Modification of the material of dielectric layers, e.g. grading, after-treatment to improve the stability of the layers, to increase their density etc. by contacting the layer with gases, liquids or plasmas
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- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Plasma & Fusion (AREA)
- Photosensitive Polymer And Photoresist Processing (AREA)
- Materials For Photolithography (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
- Drying Of Semiconductors (AREA)
- Exposure And Positioning Against Photoresist Photosensitive Materials (AREA)
- Exposure Of Semiconductors, Excluding Electron Or Ion Beam Exposure (AREA)
Abstract
Description
Claims (20)
- 半導体デバイス内のアモルファス・シリコン・ハードマスク上のレジスト層をパターニングするための方法であって、前記方法が、
アモルファス・シリコン・ハードマスク層を下層スタック上に形成することと、
前記アモルファス・シリコン・ハードマスク層の表面に1種または複数種の疎水性元素を注入することと、
レジスト層を前記アモルファス・シリコン・ハードマスク層の前記表面上に直接形成することと、
を含む方法。 - 前記アモルファス・シリコン・ハードマスク層の前記表面に前記1種または複数種の疎水性元素を注入することが、低エネルギー注入を介して遂行される、請求項1に記載の方法。
- 前記アモルファス・シリコン・ハードマスク層の前記表面に前記1種または複数種の疎水性元素を注入することが、プラズマ処理を介して遂行される、請求項1に記載の方法。
- 前記アモルファス・シリコン・ハードマスク層の前記表面に1種または複数種の疎水性元素を注入することが、前記アモルファス・シリコン・ハードマスク層の前記表面の組成を、10〜15%の前記1種または複数種の疎水性元素を含むように変更する、請求項1に記載の方法。
- 前記アモルファス・シリコン・ハードマスク層の前記表面に前記1種または複数種の疎水性元素を注入する前および後において、前記アモルファス・シリコン・ハードマスク層が同じバルク・エッチング選択性を維持する、請求項1に記載の方法。
- 前記1種または複数種の疎水性元素がホウ素を含む、請求項1に記載の方法。
- 前記1種または複数種の疎水性元素がキセノンを含む、請求項1に記載の方法。
- 前記1種または複数種の疎水性元素がフッ素を含む、請求項1に記載の方法。
- 前記1種または複数種の疎水性元素がリンを含む、請求項1に記載の方法。
- 前記レジスト層がフォトレジストである、請求項1に記載の方法。
- 前記アモルファス・シリコン・ハードマスク層の前記表面の自然酸化物層が希フッ酸系湿式洗浄を通じて除去される、請求項1に記載の方法。
- 前記アモルファス・シリコン・ハードマスク層の前記表面の自然酸化物層が保持される、請求項1に記載の方法。
- アモルファス・シリコン・ハードマスクのレジスト付着を増大させるための方法であって、前記方法が、
アモルファス・シリコン・ハードマスク層の表面に1種または複数種の疎水性元素を注入することを含む、方法。 - 前記アモルファス・シリコン・ハードマスク層の前記表面に前記1種または複数種の疎水性元素を注入することが、低エネルギー注入を介して遂行される、請求項13に記載の方法。
- 前記アモルファス・シリコン・ハードマスク層の前記表面に前記1種または複数種の疎水性元素を注入することが、プラズマ処理を介して遂行される、請求項13に記載の方法。
- 前記1種または複数種の疎水性元素が、ホウ素、キセノン、フッ素、およびリンを含む群から選択される少なくとも1種の元素を含む、請求項13に記載の方法。
- 1種または複数種の疎水性元素を含む上面組成を有するアモルファス・シリコン・ハードマスク層と、
前記アモルファス・シリコン・ハードマスク層の前記上面上のレジスト層と、
を備える構造。 - 前記アモルファス・シリコン・ハードマスク層の前記上面組成が10〜15%の前記1種または複数種の疎水性元素を含む、請求項17に記載の構造。
- 前記1種または複数種の疎水性元素が、ホウ素、キセノン、フッ素、およびリンを含む群から選択される少なくとも1種の元素を含む、請求項17に記載の構造。
- 前記アモルファス・シリコン・ハードマスク層が、アモルファス・シリコンと一致したエッチング選択性を維持する、請求項17に記載の構造。
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US15/817,407 | 2017-11-20 | ||
US15/817,407 US10755926B2 (en) | 2017-11-20 | 2017-11-20 | Patterning directly on an amorphous silicon hardmask |
PCT/IB2018/058996 WO2019097444A1 (en) | 2017-11-20 | 2018-11-15 | Patterning directly on an amorphous silicon hardmask |
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JP7268946B2 JP7268946B2 (ja) | 2023-05-08 |
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DE (1) | DE112018004654T5 (ja) |
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US10755926B2 (en) | 2017-11-20 | 2020-08-25 | International Business Machines Corporation | Patterning directly on an amorphous silicon hardmask |
US10796943B2 (en) * | 2018-11-06 | 2020-10-06 | United Microelectronics Corp. | Manufacturing method of semiconductor structure |
US11543751B2 (en) | 2020-04-16 | 2023-01-03 | International Business Machines Corporation | Organic photoresist adhesion to metal oxide hardmasks |
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US10755926B2 (en) | 2020-08-25 |
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GB2580279B (en) | 2020-12-16 |
CN111316398A (zh) | 2020-06-19 |
WO2019097444A1 (en) | 2019-05-23 |
US20200090928A1 (en) | 2020-03-19 |
US20190157072A1 (en) | 2019-05-23 |
US10950440B2 (en) | 2021-03-16 |
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