JP6219674B2 - ブロック共重合体を使用したエッチング - Google Patents
ブロック共重合体を使用したエッチング Download PDFInfo
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- JP6219674B2 JP6219674B2 JP2013223393A JP2013223393A JP6219674B2 JP 6219674 B2 JP6219674 B2 JP 6219674B2 JP 2013223393 A JP2013223393 A JP 2013223393A JP 2013223393 A JP2013223393 A JP 2013223393A JP 6219674 B2 JP6219674 B2 JP 6219674B2
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- 229920001400 block copolymer Polymers 0.000 title claims description 74
- 238000005530 etching Methods 0.000 title claims description 50
- 229920000642 polymer Polymers 0.000 claims description 80
- 238000000034 method Methods 0.000 claims description 70
- 230000007935 neutral effect Effects 0.000 claims description 60
- 239000000758 substrate Substances 0.000 claims description 48
- 239000004793 Polystyrene Substances 0.000 claims description 32
- 239000007789 gas Substances 0.000 claims description 30
- 229920002223 polystyrene Polymers 0.000 claims description 23
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 20
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 20
- 230000008569 process Effects 0.000 claims description 18
- 229920001577 copolymer Polymers 0.000 claims description 15
- 239000000203 mixture Substances 0.000 claims description 15
- 238000001020 plasma etching Methods 0.000 claims description 14
- 239000011261 inert gas Substances 0.000 claims description 13
- 229920000359 diblock copolymer Polymers 0.000 claims description 9
- 238000001459 lithography Methods 0.000 claims description 9
- 238000000926 separation method Methods 0.000 claims description 7
- -1 polyethylene Polymers 0.000 claims description 5
- 239000004698 Polyethylene Substances 0.000 claims description 4
- 229920002367 Polyisobutene Polymers 0.000 claims description 4
- 229920000573 polyethylene Polymers 0.000 claims description 4
- 229920002717 polyvinylpyridine Polymers 0.000 claims description 4
- 238000009966 trimming Methods 0.000 claims description 4
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims description 2
- 229920002845 Poly(methacrylic acid) Polymers 0.000 claims description 2
- 229920001451 polypropylene glycol Polymers 0.000 claims description 2
- 239000000463 material Substances 0.000 description 15
- 238000000137 annealing Methods 0.000 description 10
- 239000000126 substance Substances 0.000 description 9
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 8
- 238000004380 ashing Methods 0.000 description 8
- 238000002408 directed self-assembly Methods 0.000 description 6
- 238000001338 self-assembly Methods 0.000 description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- 239000004065 semiconductor Substances 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 4
- 229910052786 argon Inorganic materials 0.000 description 4
- 239000000178 monomer Substances 0.000 description 4
- 238000006116 polymerization reaction Methods 0.000 description 4
- 229910052710 silicon Inorganic materials 0.000 description 4
- 239000010703 silicon Substances 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 238000000407 epitaxy Methods 0.000 description 3
- 238000005329 nanolithography Methods 0.000 description 3
- 229920005553 polystyrene-acrylate Polymers 0.000 description 3
- 229920005604 random copolymer Polymers 0.000 description 3
- 238000004528 spin coating Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 229920000390 Poly(styrene-block-methyl methacrylate) Polymers 0.000 description 2
- 229910052581 Si3N4 Inorganic materials 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000001312 dry etching Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000009477 glass transition Effects 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 230000002209 hydrophobic effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 239000002086 nanomaterial Substances 0.000 description 2
- 238000000059 patterning Methods 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 230000010076 replication Effects 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- 239000000377 silicon dioxide 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
- 239000002904 solvent Substances 0.000 description 2
- 238000004544 sputter deposition Methods 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 238000001015 X-ray lithography Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000002318 adhesion promoter Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- 238000010560 atom transfer radical polymerization reaction Methods 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000012711 chain transfer polymerization Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 239000011243 crosslinked material Substances 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000000609 electron-beam lithography Methods 0.000 description 1
- 238000001900 extreme ultraviolet lithography Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002366 halogen compounds Chemical class 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000007641 inkjet printing Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000002164 ion-beam lithography Methods 0.000 description 1
- 230000001404 mediated effect Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 238000012705 nitroxide-mediated radical polymerization Methods 0.000 description 1
- 229910052756 noble gas Inorganic materials 0.000 description 1
- 150000002835 noble gases Chemical class 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 238000002294 plasma sputter deposition Methods 0.000 description 1
- 238000007517 polishing process Methods 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000013557 residual solvent Substances 0.000 description 1
- 238000012712 reversible addition−fragmentation chain-transfer polymerization Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 229920000428 triblock copolymer Polymers 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
-
- 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
- H01L21/3083—Chemical or electrical treatment, e.g. electrolytic etching using masks characterised by their size, orientation, disposition, behaviour, shape, in horizontal or vertical plane
- H01L21/3086—Chemical or electrical treatment, e.g. electrolytic etching using masks characterised by their size, orientation, disposition, behaviour, shape, in horizontal or vertical plane characterised by the process involved to create the mask, e.g. lift-off masks, sidewalls, or to modify the mask, e.g. pre-treatment, post-treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y10/00—Nanotechnology for information processing, storage or transmission, e.g. quantum computing or single electron logic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y40/00—Manufacture or treatment of nanostructures
-
- 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
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/0002—Lithographic processes using patterning methods other than those involving the exposure to radiation, e.g. by stamping
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- 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
-
- 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
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- 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
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- 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
- H01L21/3083—Chemical or electrical treatment, e.g. electrolytic etching using masks characterised by their size, orientation, disposition, behaviour, shape, in horizontal or vertical plane
- H01L21/3088—Process specially adapted to improve the resolution of the mask
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- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
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- H01L27/04—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body
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- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
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- H10K71/20—Changing the shape of the active layer in the devices, e.g. patterning
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
- H10K71/20—Changing the shape of the active layer in the devices, e.g. patterning
- H10K71/231—Changing the shape of the active layer in the devices, e.g. patterning by etching of existing layers
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- Drying Of Semiconductors (AREA)
Description
ブロック共重合体のリソグラフィのための方法であって、
中立層の上で自己組織化ブロック共重合体層を得る工程、ここで中立層は、基板の上位にあり、自己組織化ブロック共重合体層は、互いに異なるエッチング耐性を有する少なくとも2つのポリマー成分を含み、自己組織化ブロック共重合体層は、該少なくとも2つのポリマー成分のミクロ相分離により形成された共重合体パターン構造をさらに有し、
自己組織化ブロック共重合体層の第1ポリマー成分を選択的にエッチングすることにより、第2ポリマー成分を残存させる工程、
第2ポリマー成分をマスクとして使用して、中立層に対してプラズマエッチングを適用する工程、ここでプラズマエッチングは、不活性ガスおよびH2を含み、
を含む方法に関する。
部分的に製造された集積回路であって、
中立層の上に設けられたポリマーパターン構造を備え、
中立層は、基板の上位にあり、
前記ポリマーパターン構造は、ブロック共重合体層であり、
少なくとも1つのポリマー成分は、エッチング除去されており、
前記ポリマーパターンは、50nm未満、有利には20nm未満、より有利には16nm未満のハーフピッチを有してもよく、
中立層は、基板の下部が露出するように、ポリマーパターンをマスクとして使用して中立層をエッチングする工程により得られるパターンを有する、
集積回路に関する。
ブロック共重合体のリソグラフィのための方法であって、
中立層の上で自己組織化ブロック共重合体層を得る工程、ここで中立層は、基板の上位にあり、自己組織化ブロック共重合体層は、互いに異なるエッチング耐性を有する少なくとも2つのポリマー成分を含み、自己組織化ブロック共重合体層は、該少なくとも2つのポリマー成分のミクロ相分離により形成された共重合体パターン構造をさらに有し、
自己組織化ブロック共重合体層の第1ポリマー成分を選択的にエッチングすることにより、第2ポリマー成分を残存させる工程、
第2ポリマー成分をマスクとして使用して、中立層に対してプラズマエッチングを適用する工程、ここで中立層に適用されるプラズマエッチングは、不活性ガスおよびH2、例えばAr/H2を含み、
を含む方法に関する。
Claims (14)
- ブロック共重合体のリソグラフィのための方法(10)であって、
基板(23)の上にプレマスクパターン(22’)を形成する工程(18)、ここでプレマスクパターン(22’)は複数の尾根と谷を有するものである、
プレマスクパターン(22’)の谷を充填するように基板(23)の上に中立層(22’’)を形成し、プレマスクパターン(22’)と中立層(22’’)の上面を平坦化する工程、
平坦化されたプレマスクパターン(22’)と中立層(22’’)の上で自己組織化ブロック共重合体層(21)を得る工程(12)、自己組織化ブロック共重合体層(21)は、互いに異なるエッチング耐性を有する少なくとも2つのポリマー成分(24,25)を含み、自己組織化ブロック共重合体層(21)は、該少なくとも2つのポリマー成分(24,25)のミクロ相分離により形成された共重合体パターン構造をさらに有し、
自己組織化ブロック共重合体層(21)の第1ポリマー成分(25)を選択的にエッチングすることにより、第2ポリマー成分を残存させる工程(14)、
第2ポリマー成分(24)をマスクとして使用して、中立層(22’’)に対してプラズマエッチングを適用する工程(16)、ここでプラズマエッチング(16)は、不活性ガスおよびH2を含み、
を含む方法(10)。 - 中立層(22’’)に対して適用されるプラズマエッチング(16)は、Ar/H2からなる、請求項1に記載の方法(10)。
- 中立層(22’’)に対して適用されるプラズマエッチング(16)は、C含有ガスをさらに含む、請求項1または2に記載の方法(10)。
- C含有ガスは、CH4、C2H4、C2H6、C3H8およびこれらの任意の混合物からなる群から選択される、請求項3に記載の方法(10)。
- 中立層(22’’)のプラズマエッチング(16)中のエッチングチャンバ内での全圧は、6.7Pa未満である、請求項1から4のいずれか1項に記載の方法(10)。
- プレマスクパターン(22’)は、前記共重合体パターン構造を整列させるための複数のガイドを含む、請求項1から5のいずれか1項に記載の方法(10)。
- 不活性ガス、H2およびC含有ガスを含むプラズマを用いたプラズマエッチングおよびトリミングプロセスを適用することにより、プレマスクパターン(22’)を形成する、請求項6に記載の方法(10)。
- Ar/H2およびCH4からなるプラズマを用いたプラズマエッチングおよびトリミングプロセスを適用することにより、プレマスクパターン(22’)を形成する、請求項6または7に記載の方法(10)。
- ブロック共重合体層(21)をアニールすることにより、共重合体パターン構造を形成する、請求項1から8のいずれか1項に記載の方法(10)。
- 前記第2ポリマー成分(24)は、ポリスチレンである、請求項1から9のいずれか1項に記載の方法(10)。
- ブロック共重合体は、互いに共有結合した2種類のポリマー鎖を有するジブロック共重合体を含む、請求項1から10のいずれか1項に記載の方法(10)。
- ジブロック共重合体は、ポリスチレン−ポリイソブテン、ポリスチレン−イソプレン、ポリジメチルシロキサン−ポリイソブテン、ポリスチレン−ポリエチレンオキシド、ポリスチレン−ポリプロピレンオキシド、ポリエチレンオキシド−ポリ(シアノビフェニルオキシ)ヘキシルメタクリレート、ポリスチレン−ポリメチルメタクリレート、ポリスチレン−ポリメタクリル酸、ポリエチレンオキシド−ポリビニルピリジン、ポリスチレン−ポリビニルピリジンまたはポリイソプレン−ポリヒドロキシスチレンを含む、請求項11に記載の方法(10)。
- ブロック共重合体層(21)から第1ポリマー成分(25)をエッチング除去する工程(14)の後の1つまたは複数の第2ポリマー成分(24)と、残存する中立層(22’’)とをレジストマスクとして使用して、基板(23)をエッチングする工程をさらに含む、請求項1から12のいずれかに記載の方法(10)。
- 基板(23)と中立層(22’’)との間にハードマスクが存在する、請求項1から13のいずれかに記載の方法(10)。
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JP5973763B2 (ja) * | 2012-03-28 | 2016-08-23 | 東京エレクトロン株式会社 | 自己組織化可能なブロック・コポリマーを用いて周期パターン形成する方法及び装置 |
JP6170378B2 (ja) * | 2013-08-29 | 2017-07-26 | 東京エレクトロン株式会社 | エッチング方法 |
US9666447B2 (en) | 2014-10-28 | 2017-05-30 | Tokyo Electron Limited | Method for selectivity enhancement during dry plasma etching |
FR3041119B1 (fr) | 2015-09-11 | 2017-09-29 | Commissariat Energie Atomique | Procede de gravure selective d’un copolymere a blocs |
FR3041120B1 (fr) * | 2015-09-11 | 2017-09-29 | Commissariat Energie Atomique | Procede de gravure selective d’un copolymere a blocs |
US9697990B2 (en) * | 2015-11-16 | 2017-07-04 | Tokyo Electron Limited | Etching method for a structure pattern layer having a first material and second material |
JP6643876B2 (ja) * | 2015-11-26 | 2020-02-12 | 東京エレクトロン株式会社 | エッチング方法 |
KR102637883B1 (ko) * | 2015-12-11 | 2024-02-19 | 아이엠이씨 브이제트더블유 | 기판 상의 패턴 형성 방법, 그 방법에 관련된 반도체 장치 및 이용 |
US9899220B2 (en) | 2015-12-15 | 2018-02-20 | Imec Vzw | Method for patterning a substrate involving directed self-assembly |
US9978563B2 (en) * | 2016-01-27 | 2018-05-22 | Tokyo Electron Limited | Plasma treatment method to meet line edge roughness and other integration objectives |
CN105565261B (zh) * | 2016-01-29 | 2018-02-16 | 中国科学院微电子研究所 | 定向自组装模板转移方法 |
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FR3066497A1 (fr) * | 2017-05-22 | 2018-11-23 | Arkema France | Procede pour l'assemblage de copolymeres a blocs par controle de l'energie de surface d'un materiau a l'aide d'un traitement reducteur |
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US11613068B2 (en) | 2017-09-13 | 2023-03-28 | Lg Chem, Ltd. | Preparation method of patterned substrate |
CN108231984A (zh) * | 2018-01-31 | 2018-06-29 | 华南理工大学 | 一种相分离手段实现的钙钛矿图案化膜片及其制作方法 |
FR3085389B1 (fr) * | 2018-09-03 | 2021-02-12 | Commissariat Energie Atomique | Procede de gravure d’un copolymere a blocs comprenant une etape de depot selectif |
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Family Cites Families (22)
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JP3940546B2 (ja) | 1999-06-07 | 2007-07-04 | 株式会社東芝 | パターン形成方法およびパターン形成材料 |
JP3403374B2 (ja) * | 2000-05-26 | 2003-05-06 | 松下電器産業株式会社 | 有機膜のエッチング方法、半導体装置の製造方法及びパターンの形成方法 |
US7045668B2 (en) * | 2001-08-06 | 2006-05-16 | Showa Denko K.K. | Production and use of hexafluoroethane |
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US7371684B2 (en) * | 2005-05-16 | 2008-05-13 | International Business Machines Corporation | Process for preparing electronics structures using a sacrificial multilayer hardmask scheme |
WO2007053579A2 (en) * | 2005-10-31 | 2007-05-10 | Kabushiki Kaisha Toshiba | Short-wavelength polarizing elements and the manufacture and use thereof |
US7723009B2 (en) * | 2006-06-02 | 2010-05-25 | Micron Technology, Inc. | Topography based patterning |
US7989026B2 (en) * | 2008-01-12 | 2011-08-02 | International Business Machines Corporation | Method of use of epoxy-containing cycloaliphatic acrylic polymers as orientation control layers for block copolymer thin films |
US8101261B2 (en) * | 2008-02-13 | 2012-01-24 | Micron Technology, Inc. | One-dimensional arrays of block copolymer cylinders and applications thereof |
JP4654279B2 (ja) * | 2008-08-28 | 2011-03-16 | 株式会社日立製作所 | 微細構造を有する高分子薄膜およびパターン基板の製造方法 |
WO2010096363A2 (en) | 2009-02-19 | 2010-08-26 | Arkema Inc. | Nanofabrication method |
US8828493B2 (en) * | 2009-12-18 | 2014-09-09 | International Business Machines Corporation | Methods of directed self-assembly and layered structures formed therefrom |
WO2011094204A2 (en) * | 2010-01-26 | 2011-08-04 | Wisconsin Alumni Research Foundation | Methods of fabricating large-area, semiconducting nanoperforated graphene materials |
JP2012033537A (ja) * | 2010-07-28 | 2012-02-16 | Toshiba Corp | 発光素子 |
JP5259661B2 (ja) * | 2010-09-07 | 2013-08-07 | 株式会社東芝 | パターン形成方法 |
JP5910500B2 (ja) * | 2010-09-29 | 2016-04-27 | Jsr株式会社 | パターン形成方法 |
JP5703896B2 (ja) * | 2011-03-29 | 2015-04-22 | 凸版印刷株式会社 | パターン形成方法およびパターン形成体 |
JP5846568B2 (ja) * | 2011-04-13 | 2016-01-20 | 東京応化工業株式会社 | 相分離構造を有する層を表面に備える基板の製造方法 |
US8691925B2 (en) * | 2011-09-23 | 2014-04-08 | Az Electronic Materials (Luxembourg) S.A.R.L. | Compositions of neutral layer for directed self assembly block copolymers and processes thereof |
NL2010402A (en) * | 2012-03-28 | 2013-10-01 | Asml Netherlands Bv | Methods of providing patterned templates for self-assemblable block copolymers for use in device lithography. |
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