JP2013145874A - Euvフォトレジスト封入 - Google Patents
Euvフォトレジスト封入 Download PDFInfo
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- JP2013145874A JP2013145874A JP2012267237A JP2012267237A JP2013145874A JP 2013145874 A JP2013145874 A JP 2013145874A JP 2012267237 A JP2012267237 A JP 2012267237A JP 2012267237 A JP2012267237 A JP 2012267237A JP 2013145874 A JP2013145874 A JP 2013145874A
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- 229920002120 photoresistant polymer Polymers 0.000 title claims abstract description 128
- 238000005538 encapsulation Methods 0.000 title claims description 53
- 238000000034 method Methods 0.000 claims abstract description 102
- 239000000758 substrate Substances 0.000 claims abstract description 38
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 34
- 239000010703 silicon Substances 0.000 claims abstract description 34
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 33
- 238000005530 etching Methods 0.000 claims abstract description 26
- 238000001312 dry etching Methods 0.000 claims abstract description 22
- 229910000577 Silicon-germanium Inorganic materials 0.000 claims abstract description 19
- LEVVHYCKPQWKOP-UHFFFAOYSA-N [Si].[Ge] Chemical compound [Si].[Ge] LEVVHYCKPQWKOP-UHFFFAOYSA-N 0.000 claims abstract description 17
- 229910052732 germanium Inorganic materials 0.000 claims abstract description 17
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 claims abstract description 17
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910052814 silicon oxide Inorganic materials 0.000 claims abstract description 13
- 229910052581 Si3N4 Inorganic materials 0.000 claims abstract description 9
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims abstract description 9
- OQNXPQOQCWVVHP-UHFFFAOYSA-N [Si].O=[Ge] Chemical compound [Si].O=[Ge] OQNXPQOQCWVVHP-UHFFFAOYSA-N 0.000 claims abstract description 6
- BIXHRBFZLLFBFL-UHFFFAOYSA-N germanium nitride Chemical compound N#[Ge]N([Ge]#N)[Ge]#N BIXHRBFZLLFBFL-UHFFFAOYSA-N 0.000 claims abstract description 6
- YBMRDBCBODYGJE-UHFFFAOYSA-N germanium oxide Inorganic materials O=[Ge]=O YBMRDBCBODYGJE-UHFFFAOYSA-N 0.000 claims abstract description 6
- PVADDRMAFCOOPC-UHFFFAOYSA-N oxogermanium Chemical compound [Ge]=O PVADDRMAFCOOPC-UHFFFAOYSA-N 0.000 claims abstract description 6
- 230000008569 process Effects 0.000 claims description 49
- 239000000463 material Substances 0.000 claims description 26
- 238000001900 extreme ultraviolet lithography Methods 0.000 claims description 18
- 239000002243 precursor Substances 0.000 claims description 17
- 229910052739 hydrogen Inorganic materials 0.000 claims description 12
- 239000001257 hydrogen Substances 0.000 claims description 12
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 9
- 239000004065 semiconductor Substances 0.000 claims description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 7
- 229910052760 oxygen Inorganic materials 0.000 claims description 7
- 239000001301 oxygen Substances 0.000 claims description 7
- QYKABQMBXCBINA-UHFFFAOYSA-N 4-(oxan-2-yloxy)benzaldehyde Chemical compound C1=CC(C=O)=CC=C1OC1OCCCC1 QYKABQMBXCBINA-UHFFFAOYSA-N 0.000 claims description 6
- FCDCNUKQQLSMMN-UHFFFAOYSA-N [GeH4].[Si] Chemical compound [GeH4].[Si] FCDCNUKQQLSMMN-UHFFFAOYSA-N 0.000 claims description 6
- QUZPNFFHZPRKJD-UHFFFAOYSA-N germane Chemical compound [GeH4] QUZPNFFHZPRKJD-UHFFFAOYSA-N 0.000 claims description 5
- 229910052986 germanium hydride Inorganic materials 0.000 claims description 5
- 230000007246 mechanism Effects 0.000 claims description 5
- 238000000206 photolithography Methods 0.000 claims description 5
- 238000012545 processing Methods 0.000 claims description 5
- 230000003313 weakening effect Effects 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 238000000059 patterning Methods 0.000 abstract description 16
- 230000008901 benefit Effects 0.000 description 17
- 238000000151 deposition Methods 0.000 description 13
- 239000011295 pitch Substances 0.000 description 9
- 230000008021 deposition Effects 0.000 description 8
- 239000012212 insulator Substances 0.000 description 6
- 230000015556 catabolic process Effects 0.000 description 5
- 229910021419 crystalline silicon Inorganic materials 0.000 description 5
- 238000006731 degradation reaction Methods 0.000 description 5
- 238000001459 lithography Methods 0.000 description 5
- 238000005229 chemical vapour deposition Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 4
- 238000009616 inductively coupled plasma Methods 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- 230000003595 spectral effect Effects 0.000 description 4
- 229910004298 SiO 2 Inorganic materials 0.000 description 3
- 239000003575 carbonaceous material Substances 0.000 description 3
- 230000001419 dependent effect Effects 0.000 description 3
- 150000002431 hydrogen Chemical class 0.000 description 3
- 238000000671 immersion lithography Methods 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 238000004528 spin coating Methods 0.000 description 3
- JBRZTFJDHDCESZ-UHFFFAOYSA-N AsGa Chemical compound [As]#[Ga] JBRZTFJDHDCESZ-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 229910018503 SF6 Inorganic materials 0.000 description 2
- 229910003902 SiCl 4 Inorganic materials 0.000 description 2
- 229910003481 amorphous carbon Inorganic materials 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 238000010924 continuous production Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- RWRIWBAIICGTTQ-UHFFFAOYSA-N difluoromethane Chemical compound FCF RWRIWBAIICGTTQ-UHFFFAOYSA-N 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000001878 scanning electron micrograph Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 description 2
- 229960000909 sulfur hexafluoride Drugs 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 101100215341 Arabidopsis thaliana ACT12 gene Proteins 0.000 description 1
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 1
- GPXJNWSHGFTCBW-UHFFFAOYSA-N Indium phosphide Chemical compound [In]#P GPXJNWSHGFTCBW-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 238000003917 TEM image Methods 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 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
- 238000001015 X-ray lithography Methods 0.000 description 1
- 239000006117 anti-reflective coating Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000009477 glass transition Effects 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000010849 ion bombardment Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 229910052594 sapphire Inorganic materials 0.000 description 1
- 239000010980 sapphire Substances 0.000 description 1
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Chemical compound [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 238000012876 topography Methods 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
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F1/00—Originals for photomechanical production of textured or patterned surfaces, e.g., masks, photo-masks, reticles; Mask blanks or pellicles therefor; Containers specially adapted therefor; Preparation thereof
- G03F1/20—Masks or mask blanks for imaging by charged particle beam [CPB] radiation, e.g. by electron beam; Preparation thereof
-
- 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
-
- 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
- H01L21/308—Chemical or electrical treatment, e.g. electrolytic etching using masks
- H01L21/3081—Chemical or electrical treatment, e.g. electrolytic etching using masks 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
- H01L21/04—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
- H01L21/3105—After-treatment
- H01L21/311—Etching the insulating layers by chemical or physical means
- H01L21/31144—Etching the insulating layers by chemical or physical means using masks
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Exposure Of Semiconductors, Excluding Electron Or Ion Beam Exposure (AREA)
- Exposure And Positioning Against Photoresist Photosensitive Materials (AREA)
- Drying Of Semiconductors (AREA)
Abstract
【解決手段】ハードマスクと、そのハードマスク上方に形成されたEUVフォトレジストとを備えた基板を得る工程と、シリコン酸化物、シリコン窒化物、シリコン酸窒化物、ゲルマニウム酸化物、ゲルマニウム窒化物、ゲルマニウム酸窒化物、シリコンゲルマニウム酸化物、シリコンゲルマニウム窒化物、シリコンゲルマニウム酸窒化物のうちの1つである封入層をフォトレジスト上で形成することにより、EUVフォトレジストのパターン層を封入する工程と、ハードマスクをパターニングするために基板をドライエッチングする工程とを含む。
【選択図】図3
Description
本発明に係る実施形態の利点は、低温、即ちEUVフォトレジストの弱化温度より低い温度で封入層を形成することができ、これにより堆積時にそれの機械的安定性を維持できることである。
Claims (11)
- 極端紫外線フォトリソグラフィプロセスを実施するための方法(300)であって、
ハードマスクと、該ハードマスク上方に形成されたフォトレジスト突起部を有する極端紫外線(EUV)フォトレジスト層とを備えた基板を得る工程(310)と、
シリコン酸化物、シリコン窒化物、シリコン酸窒化物、ゲルマニウム酸化物、ゲルマニウム窒化物、ゲルマニウム酸窒化物、シリコンゲルマニウム酸化物、シリコンゲルマニウム窒化物、シリコンゲルマニウム酸窒化物層のうちの1つである封入層をフォトレジスト上で形成することにより、EUVフォトレジストのパターン層を封入する工程(320)であって、封入層は、四ハロゲン化ケイ素、四水素化ケイ素、四ハロゲン化ゲルマニウム、四水素化ゲルマニウム、四ハロゲン化シリコンゲルマニウム又は四水素化シリコンゲルマニウムの前駆体からなる群の1つである第1前駆体及び酸素前駆体を使用したEUVフォトレジストの弱化温度Tg未満の温度で形成する工程と、
その後、ハードマスクをパターニングするために基板をドライエッチングする工程(330)とを含む方法(300)。 - 封入する工程(320)は、ドライエッチングと同じセットアップで実施する、請求項1に記載の方法(300)。
- 前記封入する工程を実施することにより、フォトレジスト突起部上で、フォトレジスト層(430)の他の位置での封入層(440)の厚さより充分大きい厚さを有する封入層(440)を形成する、請求項1又は2に記載の方法(300)。
- 基板を得る工程は、基板の水素プラズマ前処理を実施する工程を含む、請求項1〜3のいずれか1項に記載の方法(300)。
- 水素プラズマ前処理を実施する工程は、前記ドライエッチングのために使用したチャンバと同じチャンバ内で水素プラズマ前処理を実施することを含む、請求項4に記載の方法(300)。
- EUVフォトレジストのパターン層を封入する工程(320)は、シリコン酸化物層である封入層を形成する工程を含む、請求項1〜5のいずれか1項に記載の方法(300)。
- 四ハロゲン化ケイ素、四水素化ケイ素、四ハロゲン化ゲルマニウム、四水素化ゲルマニウム、四ハロゲン化シリコンゲルマニウム又は四水素化シリコンゲルマニウムの前駆体からなる群の1つである第1前駆体及び酸素前駆体を使用して封入層を形成する工程は、プラズマ加工を実施することを含む、請求項1〜6のいずれか1項に記載の方法(300)。
- 前記ドライエッチングする工程は、フォトレジスト突起部が生じる位置ではハードマスク材料を実質的に維持しつつ、フォトレジスト突起部が生じない位置でハードマスク材料をエッチングすることを含む、請求項1〜7のいずれか1項に記載の方法(300)。
- ハードマスクを準備するための中間的構造(400)であって、
少なくとも1つのハードマスク層(410)と、
フォトレジスト機構を有するEUVフォトレジストのレジスト層(430)と、
該EUVフォトレジスト層(430)及びその突起部を封入するための封入層(440)とを備え、
フォトレジスト突起部上での封入層(440)の厚さは、フォトレジスト層(430)上の他の位置での封入層(440)の厚さより大きい、例えば充分に大きい中間的構造(400)。 - 請求項1〜8のいずれか1項に記載の方法を用いたEUVリソグラフィを使用して得られるパターン層を備えた半導体デバイス。
- パターン層を備えた半導体デバイスの製造についての、請求項1〜8のいずれか1項に記載の方法(300)の使用。
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP11194789 | 2011-12-21 | ||
EP11194789.1 | 2011-12-21 | ||
EP12150658.8 | 2012-01-10 | ||
EP20120150658 EP2608247A1 (en) | 2011-12-21 | 2012-01-10 | EUV photoresist encapsulation |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2013145874A true JP2013145874A (ja) | 2013-07-25 |
JP6133585B2 JP6133585B2 (ja) | 2017-05-24 |
Family
ID=45463476
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012267237A Active JP6133585B2 (ja) | 2011-12-21 | 2012-12-06 | Euvフォトレジスト封入 |
Country Status (3)
Country | Link |
---|---|
US (1) | US8883374B2 (ja) |
EP (1) | EP2608247A1 (ja) |
JP (1) | JP6133585B2 (ja) |
Cited By (12)
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WO2015041043A1 (ja) * | 2013-09-19 | 2015-03-26 | 東京エレクトロン株式会社 | エッチング方法 |
JP2015065412A (ja) * | 2013-08-27 | 2015-04-09 | アイメック・ヴェーゼットウェーImec Vzw | Finfet構造のドーパント注入方法 |
JP2017045869A (ja) * | 2015-08-27 | 2017-03-02 | 東京エレクトロン株式会社 | プラズマ処理方法 |
JP2017520912A (ja) * | 2014-05-21 | 2017-07-27 | ソニー株式会社 | メモリセルおよびソース線を酸化させずにマスキング層のドライエッチングを行う方法 |
CN110892509A (zh) * | 2017-05-16 | 2020-03-17 | 朗姆研究公司 | 消除光刻中随机数的收率影响 |
JP2020140209A (ja) * | 2019-02-26 | 2020-09-03 | 東京エレクトロン株式会社 | プラズマ選択的堆積によるライン粗さ改善の方法 |
US11721558B2 (en) | 2016-12-19 | 2023-08-08 | Lam Research Corporation | Designer atomic layer etching |
US11921427B2 (en) | 2018-11-14 | 2024-03-05 | Lam Research Corporation | Methods for making hard masks useful in next-generation lithography |
US11988965B2 (en) | 2020-01-15 | 2024-05-21 | Lam Research Corporation | Underlayer for photoresist adhesion and dose reduction |
US12062538B2 (en) | 2019-04-30 | 2024-08-13 | Lam Research Corporation | Atomic layer etch and selective deposition process for extreme ultraviolet lithography resist improvement |
US12105422B2 (en) | 2019-06-26 | 2024-10-01 | Lam Research Corporation | Photoresist development with halide chemistries |
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KR102233577B1 (ko) | 2014-02-25 | 2021-03-30 | 삼성전자주식회사 | 반도체 소자의 패턴 형성 방법 |
US10032633B1 (en) * | 2017-01-17 | 2018-07-24 | International Business Machines Corporation | Image transfer using EUV lithographic structure and double patterning process |
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US10656527B2 (en) * | 2017-12-21 | 2020-05-19 | International Business Machines Corporation | Patterning material film stack with hard mask layer configured to support selective deposition on patterned resist layer |
US10658190B2 (en) | 2018-09-24 | 2020-05-19 | International Business Machines Corporation | Extreme ultraviolet lithography patterning with directional deposition |
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US20130164657A1 (en) | 2013-06-27 |
JP6133585B2 (ja) | 2017-05-24 |
EP2608247A1 (en) | 2013-06-26 |
US8883374B2 (en) | 2014-11-11 |
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