EP3248062A1 - Procédé de réduction des défauts dans un film ordonné de copolymère a blocs - Google Patents
Procédé de réduction des défauts dans un film ordonné de copolymère a blocsInfo
- Publication number
- EP3248062A1 EP3248062A1 EP16703349.7A EP16703349A EP3248062A1 EP 3248062 A1 EP3248062 A1 EP 3248062A1 EP 16703349 A EP16703349 A EP 16703349A EP 3248062 A1 EP3248062 A1 EP 3248062A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- todt
- block copolymer
- block
- mixture
- copolymer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
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
- 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
- G03F7/004—Photosensitive materials
-
- 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
- G03F1/68—Preparation processes not covered by groups G03F1/20 - G03F1/50
- G03F1/72—Repair or correction of mask defects
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G81/00—Macromolecular compounds obtained by interreacting polymers in the absence of monomers, e.g. block polymers
- C08G81/02—Macromolecular compounds obtained by interreacting polymers in the absence of monomers, e.g. block polymers at least one of the polymers being obtained by reactions involving only carbon-to-carbon unsaturated bonds
- C08G81/021—Block or graft polymers containing only sequences of polymers of C08C or C08F
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L53/00—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
-
- 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
Definitions
- the present invention relates to a method of reducing the number of defects in an ordered film comprising a block copolymer (BCP).
- BCP block copolymer
- the invention also relates to the compositions used to obtain these ordered films and the ordered films thus obtained which can be used in particular as masks in the field of lithography.
- the method which is the subject of the invention is particularly useful when it is a question of obtaining large-area ordered films having a reduction in the number of defects compared to what is observed when only one block copolymer is used at a given period. equivalent.
- the preferred form of nanostructuring is of the hexagonal cylindrical type.
- the method for self-assembly of block copolymers on a treated surface according to the invention is governed by thermodynamic laws.
- each cylinder is surrounded by 6 equidistant neighboring cylinders if there is no defect.
- Several types of defects can thus be identified. The first type is based on the evaluation of the number of neighbors around a cylinder constituted by the arrangement of the block copolymer, also called coordination defects. If five or seven cylinders surround the cylinder considered, it will be considered that there is a lack of coordination.
- the second type of defect considers the average distance between the cylinders surrounding the cylinder considered. [W.Li, F.Qiu, Y.Yang, and A.C.Shi,
- the method of the invention makes it possible to obtain nanostructured assemblies in the form of ordered films with a reduction in the number of orientation defects, of coordination or of distances on large monocrystalline surfaces.
- US Pat. No. 5,513,356 discloses a composition comprising at least one ordered polystyrene-poly (methyl methacrylate) diblock having a PS volume fraction of between 0.65 and 0.87, satisfying an arrangement equation at 225 ° C. and a polystyrene diblock.
- the compositions show an improvement in the degree of perpendicularity of the rolls. There is no mention of the possibility of reducing, for example, coordination or distance defects.
- Mixtures comprising at least one BCP are a solution to this problem, and it is shown in the present invention that in the case where it is sought to reduce the number of defects for PCOs having ordered morphologies, the mixtures comprising at least one BCP having an order-disorder temperature (TODT) associated with at least one compound having no TODT are a solution, when the order-disorder transition temperature (TODT) of the mixture is lower than the TODT of the BCP alone. In the case of these mixtures, there is a decrease in defects on the ordered films obtained with these mixtures compared to ordered films obtained with a block copolymer alone.
- TODT order-disorder transition temperature
- the invention relates to a method for reducing the number of defects of an ordered film of block copolymer, said ordered film comprising a mixture of at least one block copolymer having an order - disorder transition temperature (TODT) and at least one minus a Tg with at least one compound having no TODT, this mixture having a TODT lower than the TODT of the block copolymer alone, the process comprising the following steps: -Mixing at least one block copolymer having a TODT and at least a compound having no TODT in a solvent,
- TODT order - disorder transition temperature
- any copolymer with blocks may be used in the context of the invention, be it diblock copolymer, linear or star triblock, linear multiblock, comb or star .
- the order-disorder transition temperature TODT which corresponds to a phase separation of the constituent blocks of the block copolymer can be measured in different ways, such as DSC (differential scanning calorimetry, differential thermal analysis), SAXS (small angle X ray scattering, small angle X-ray scattering), static birefringence, dynamic mechanical analysis, DMA or any other method to visualize the temperature at which a phase separation occurs (corresponding to the disorder order transition). A combination of these techniques can also be used.
- the preferred method used in the present invention is DMA.
- n being an integer between 1 and 10 inclusive.
- n is between 1 and 5, including terminals, and preferably n is between 1 and 2, including terminals, and even more preferably n is 1, m being an integer between 1 and 10, terminals included.
- m is between 1 and 5, inclusive, and preferably, m is between 1 and 4, including terminals, and more preferably m is equal to 1.
- block copolymers may be synthesized by any techniques known to those skilled in the art, among which mention may be made of polycondensation, ring-opening polymerization, anionic, cationic or radical polymerization, these techniques being controllable or not, and combined between they or not.
- radical polymerization they may be controlled by any known technique such as NMP ("Nitroxide Mediated Polymerization"), RAFT ("Reversible Addition and Fragmentation Transfer”), ATRP (“Atom Transfer Radical Polymerization”) , INIFERTER ("Initiator-Transfer-
- ITP Iodine Transfer Polymerization
- the block copolymers are prepared by controlled radical polymerization, more particularly by controlled polymerization with nitroxides, in particular N-tert-butyl-1-diethylphosphono-2,2-dimethylpropyl nitroxide.
- the block copolymers are prepared by anionic polymerization.
- the constituent monomers of the block copolymers will be chosen from the following monomers: at least one vinyl, vinylidene, diene, olefinic, allylic or (meth) acrylic monomer.
- This monomer is chosen more particularly from vinylaromatic monomers such as styrene or substituted styrenes, in particular alpha-methylstyrene, silylated styrenes, acrylic monomers such as acrylic acid or its salts, alkyl acrylates and cycloalkyl acrylates.
- vinylaromatic monomers such as styrene or substituted styrenes, in particular alpha-methylstyrene, silylated styrenes, acrylic monomers such as acrylic acid or its salts, alkyl acrylates and cycloalkyl acrylates.
- aryl such as methyl acrylate, ethyl acrylate, butyl acrylate, ethylhexyl acrylate or phenyl acrylate, hydroxyalkyl acrylates such as 2-hydroxyethyl acrylate, alkyl ether acrylates such as 2-methoxyethyl acrylate, alkoxy- or aryloxy-polyalkylene glycol acrylates such as methoxypolyethylene glycol acrylates, ethoxypolyethylene glycol acrylates, methoxypolypropylene glycol acrylates, methoxypolyethylene glycol-polypropylene glycol acrylates or mixtures thereof, acrylates of aminoalkyl such as 2- (dimethylamino) ethyl acrylate (ADAME), fluorinated acrylates, silyl acrylates, phospho acrylates such as alkylene glycol phosphate acrylates, glycidyl acrylates, dicyclopenten
- the monomers will be chosen, without limitation, from the following monomers:
- At least one vinyl, vinylidene, diene, olefinic, allylic or (meth) acrylic monomer are chosen more particularly from vinylaromatic monomers such as styrene or substituted styrenes, in particular alpha-methylstyrene, and acrylic monomers such as alkyl, cycloalkyl or aryl acrylates, such as methyl acrylate, dicyclohexyl acrylate and the like.
- ether alkyl acrylates such as 2-methoxyethyl acrylate, alkoxy- or aryloxy-polyalkyleneglycol acrylates such as methoxypolyethylene glycol acrylates, ethoxypolyethylene glycol acrylates and the like.
- methoxypolypropylene glycol acrylates methoxypolyethylene glycol-polypropylene glycol acrylates or mixtures thereof, aminoalkyl acrylates such as 2- (dimethylamino) ethyl acrylate (ADAME), fluorinated acrylates, silyl acrylates, phosphorus acrylates such as alkylene glycol phosphate acrylates, glycidyl acrylates, dicyclopentenyloxyethyl acrylates, methylene glycol alkyl, cycloalkyl, alkenyl or aryl acrylates such as methyl methacrylate (MMA), lauryl, cyclohexyl, allyl, phenyl or naphthyl, methacrylates of ether alkyl such as methacrylate 2-ethoxyethyl methacrylates, alkoxy- or aryloxy-polyalkylene glycol methacrylates such as methoxypolyethylene glycol meth
- the block copolymers having an order-disorder transition temperature consist of block copolymer having one of the blocks comprising a styrene monomer and the other block comprising a methacrylic monomer; more preferably, the block copolymers consist of block copolymer one of which blocks comprises styrene and the other block comprises methyl methacrylate.
- the compounds which do not have an order-disorder transition temperature will be chosen from block copolymers, as defined above, but also random copolymers, homopolymers and gradient copolymers. According to a preferred variant, the compounds are homopolymers or random copolymers and have a monomer composition identical to that of one of the block copolymer blocks having a TOD.
- the homopolymers or random copolymers comprise styrene or methacrylic monomers.
- random homopolymers or copolymers include styrene or methyl methacrylate.
- the compounds that do not have an order-disorder transition temperature will also be chosen from plasticizers, among which non-limiting examples are branched or linear phthalates such as di-n-octyl, dibutyl, -2-ethylhexyl phatalate, di-ethylhexyl, diisononyl, di-isodecyl, benzylbutyl, diethyl, di-cyclohexyl, dimethyl, linear di-undecyl, di-tridecyl linear, chlorinated paraffins, trimellitates, branched or linear, in particular di-trimellitate; hexyl-ethyl, aliphatic esters or esters polymers, epoxides, adipates, citrates, benzoates.
- plasticizers among which non-limiting examples are branched or linear phthalates such as di-n-octyl, dibutyl, -2-ethy
- the compounds that do not have an order-disorder transition temperature will also be chosen from fillers among which may be mentioned mineral fillers such as carbon black, nanotubes, of carbon or not, fibers, ground or not, stabilizing agents. (Light, in particular UV, and heat), dyes, inorganic or organic photosensitive pigments such as porphyrins, photoinitiators, that is to say compounds capable of generating radicals under irradiation.
- mineral fillers such as carbon black, nanotubes, of carbon or not, fibers, ground or not, stabilizing agents. (Light, in particular UV, and heat), dyes, inorganic or organic photosensitive pigments such as porphyrins, photoinitiators, that is to say compounds capable of generating radicals under irradiation.
- Compounds that do not have an order-disorder transition temperature will also be chosen from ionic compounds, polymeric or non-polymeric.
- a combination of the compounds mentioned may also be used in the context of the invention, such as a block copolymer having no TODT and a statistical copolymer or homopolymer having no TODT.
- a block copolymer having a TODT, a block copolymer which does not have TODT and a charge, a homopolymer or a random copolymer, for example having no TODT may be mixed.
- the invention therefore also relates to compositions comprising at least one block copolymer having a TODT and at least one compound, this or these compounds having no TODT.
- the TODT of the mixture which is the subject of the invention should be less than the TODT of the block copolymer organized alone, but should be greater than the transition temperature. vitreous, measured by DSC (differential enthalpy analysis, Tg) of the block with the highest Tg.
- composition comprising a block copolymer having an order-disorder transition temperature and at least one compound having no order-disorder transition temperature will exhibit a self-assembly at a lower temperature than that of the block-only copolymer.
- the ordered films obtained according to the invention have a reduction in the number of defects compared to ordered films obtained with one or more block copolymers having TODTs.
- the baking temperatures allowing the self-assembly will be between the glass transition temperature, measured by DSC (differential enthalpy analysis, Tg) of the block having the highest Tg and the TODT of the mixture, preferably between 1 and 50 ° C. below the TODT of the mixture, preferably between 10 and 30 ° C below the TODT of the mixture, and more preferably between 10 and 20 ° C below the TODT of the mixture.
- DSC differential enthalpy analysis
- the method of the invention allows the deposition of ordered film on a surface such as silicon, silicon having a native or thermal oxide layer, germanium, platinum, tungsten, gold, titanium nitrides, graphenes, BARC (bottom anti-reflective coating) or any other anti-reflective layer used in lithography.
- a surface such as silicon, silicon having a native or thermal oxide layer, germanium, platinum, tungsten, gold, titanium nitrides, graphenes, BARC (bottom anti-reflective coating) or any other anti-reflective layer used in lithography.
- BARC bottom anti-reflective coating
- the surfaces may be said to be “free” (planar and homogeneous surface both from a topographic and chemical point of view) or to have structures for guiding the block copolymer "pattern", whether this guidance is chemical guidance type (called “chemistry-epitaxy guidance”) or physical / topographical guidance (called “graphoepitaxy guidance”).
- a solution of the block copolymer composition is deposited on the surface and then the solvent is evaporated according to techniques known to those skilled in the art such as the so-called “spin coating” technique, “Doctor Blade” “Knife system”, “slot die System” but any other technique can be used such as a dry deposit, that is to say without going through a prior dissolution.
- a heat treatment or solvent vapor is carried out, a combination of the two treatments, or any other treatment known to those skilled in the art, which allows the block copolymer composition to organize itself properly by nanostructuring itself, and so to establish the ordered film.
- the cooking is carried out thermally.
- the nanostructuration of a mixture of block copolymer having a TODT and a compound deposited on a surface treated by the process of the invention can take the forms such as cylindrical (hexagonal symmetry (symmetry of hexagonal network primitive "6mm") according to the Hermann-mauguin notation, or tetragonal / quadratic ("4mm” tetragonal lattice symmetry), spherical (hexagonal symmetry (primitive hexagonal network symmetry "6mm” or "6 / mmm”), or tetragonal / quadratic ("4mm” quadrilateral lattice symmetry), or cubic (“i3 ⁇ 4n” lattice symmetry), lamellar, or gyroid.
- the preferred form of nanostructuring is of the hexagonal cylindrical type.
- Example 1 T odt measurement by dynamic mechanical analysis. Two different molecular weight PS- ⁇ -PAM copolymers are synthesized by anionic polymerization, but commercially available products can also be used. The characterizations of these products are summarized in Table No. 1.
- the AMD makes it possible to measure the conservation modulus G 'and the loss module G''of the material and to determine the damping factor tanA defined as the ratio G''/G'.
- the measurements are made on an ARES type viscoelastic meter, on which the PLANS 25mm geometry is installed.
- the gap setting is made at the initial temperature of 100 ° C.
- the sample pellet is placed between the planes inside the oven heated to 100 ° C, a slight normal force is applied to ensure the sample-to-plane contact and thus avoid slip problems that could distort the measurement. torque and therefore modules.
- the temperature sweep is performed at the frequency of 1Hz.
- the initial strain applied to the sample is 0.1%, then it is automatically adjusted to stay above the sensor sensitivity limit of 0.2 cm. boy Wut.
- the temperature varies from 100 to 260 ° C in the bearing mode with one measurement every two degrees and a temperature equilibrium time of 30 seconds before the measurement.
- the lower molecular weight block copolymer After the rubber tray, the lower molecular weight block copolymer has a G 'lower than G''thus reflecting the destructuring of the copolymer, hence the order-disorder transition.
- the T odt is thus defined as being the first intersection between G 'and G''.
- T odt is not observed in the case of the copolymer of higher molar mass, where at any time G 'remains greater than G ". This block copolymer therefore does not present T odt below its degradation temperature.
- Table 2 T odt of the various PS-block copolymers>
- Example 2 Films resulting from the self-assembly of block copolymers. Silicon substrates are cleaved into pieces of
- the substrates can be cleaned with either an oxygen plasma or a piranha solution (H 2 SO 4 / H 2 O 2 mixture in a proportion of 2: 1 by volume) for a few minutes and rinsed with distilled water.
- a solution of PS-r-PMMA as described in WO2013083919 typically 2% by weight in PGMEA (propylene glycol ether-methyl acetate)
- PGMEA propylene glycol ether-methyl acetate
- the substrate is annealed at 220 ° C for 10 minutes (or any other suitable temperature / time pair) so as to perform the covalent grafting of a monolayer of molecules on the substrate; the excess of non- grafted is removed by rinsing with PGMEA.
- the block copolymer (“BCP") PS-fc-PMMA or block copolymer mixture solution (typically 1% by weight in the PGMEA) is dispensed onto the substrate functionalized by spin coating (or another technique). ) so as to obtain a dry film of desired thickness.
- the film is then annealed according to the chosen technique, for example a thermal annealing at 230 ° C.
- the substrate can be immersed for a few minutes in acetic acid and then rinsed with distilled water, or the film can undergo a very mild oxygen plasma, or a combination of these two techniques, in order to to increase the contrast between the different phases of the block copolymer film in order to facilitate imaging of the nanostructures by the chosen technique (SEM, AFM ).
- the block copolymer mixture produced is a mixture between the reference BCPs No. 2 and No. 3, at a level of 8: 2 (80% of No. 2 mixed with 20% of No. 3).
- the mixture can be carried out indifferently either in the solid state (for example by mixing the BCPs in powder form) or in the liquid state (for example by mixing solutions of pure BCPs of the same concentrations; solutions are different, mixing will be done in order to respect the fixed ratio).
- PCO "Reference # 1" serves as a reference system for the study. Comparisons of characteristics of realized films:
- the imaging is performed on a scanning electron microscope "CD - SEM H9300" from Hitachi. Images are taken at a constant magnification of 100,000, to facilitate comparison between different systems; each image measures 1349nm * 1349nm.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Graft Or Block Polymers (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1550470A FR3031751B1 (fr) | 2015-01-21 | 2015-01-21 | Procede de reduction des defauts dans un film ordonne de copolymere a blocs |
PCT/FR2016/050115 WO2016116707A1 (fr) | 2015-01-21 | 2016-01-21 | Procédé de réduction des défauts dans un film ordonné de copolymère a blocs |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3248062A1 true EP3248062A1 (fr) | 2017-11-29 |
Family
ID=52779891
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16703349.7A Withdrawn EP3248062A1 (fr) | 2015-01-21 | 2016-01-21 | Procédé de réduction des défauts dans un film ordonné de copolymère a blocs |
Country Status (9)
Country | Link |
---|---|
US (1) | US20180011399A1 (fr) |
EP (1) | EP3248062A1 (fr) |
JP (1) | JP6588555B2 (fr) |
KR (1) | KR20170118742A (fr) |
CN (1) | CN107430332A (fr) |
FR (1) | FR3031751B1 (fr) |
SG (1) | SG11201706000RA (fr) |
TW (1) | TW201708288A (fr) |
WO (1) | WO2016116707A1 (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3031748B1 (fr) * | 2015-01-21 | 2018-09-28 | Arkema France | Procede de reduction du temps d'assemblage des films ordones de copolymere a blocs |
FR3075800B1 (fr) * | 2017-12-21 | 2020-10-09 | Arkema France | Couches anti adhesives pour les procedes d'impression par transfert |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4127682B2 (ja) * | 1999-06-07 | 2008-07-30 | 株式会社東芝 | パターン形成方法 |
US8287957B2 (en) * | 2004-11-22 | 2012-10-16 | Wisconsin Alumni Research Foundation | Methods and compositions for forming aperiodic patterned copolymer films |
US8133534B2 (en) * | 2004-11-22 | 2012-03-13 | Wisconsin Alumni Research Foundation | Methods and compositions for forming patterns with isolated or discrete features using block copolymer materials |
US8425982B2 (en) * | 2008-03-21 | 2013-04-23 | Micron Technology, Inc. | Methods of improving long range order in self-assembly of block copolymer films with ionic liquids |
US20110111170A1 (en) * | 2008-05-30 | 2011-05-12 | Canon Kabushiki Kaisha | Block copolymer film and method of producing the same |
FR2983773B1 (fr) | 2011-12-09 | 2014-10-24 | Arkema France | Procede de preparation de surfaces |
US8710150B2 (en) * | 2012-02-10 | 2014-04-29 | Rohm And Haas Electronic Materials Llc | Blended block copolymer composition |
US8513356B1 (en) * | 2012-02-10 | 2013-08-20 | Dow Global Technologies Llc | Diblock copolymer blend composition |
JP5891075B2 (ja) * | 2012-03-08 | 2016-03-22 | 東京応化工業株式会社 | ブロックコポリマー含有組成物及びパターンの縮小方法 |
US9159558B2 (en) * | 2013-03-15 | 2015-10-13 | International Business Machines Corporation | Methods of reducing defects in directed self-assembled structures |
US20140377965A1 (en) * | 2013-06-19 | 2014-12-25 | Globalfoundries Inc. | Directed self-assembly (dsa) formulations used to form dsa-based lithography films |
FR3008986B1 (fr) * | 2013-07-25 | 2016-12-30 | Arkema France | Procede de controle de la periode caracterisant la morphologie obtenue a partir d'un melange de copolymere a blocs et de (co) polymeres de l'un des blocs |
EP2829567B1 (fr) * | 2013-07-25 | 2017-03-15 | Arkema France | Procédé pour commander la période de caractérisation de la morphologie obtenue à partir d'un mélange de copolymères séquencés et de (co)polymères d'un des blocs |
JP5865340B2 (ja) * | 2013-12-10 | 2016-02-17 | キヤノン株式会社 | インプリント装置及び物品の製造方法 |
JP5971231B2 (ja) * | 2013-12-10 | 2016-08-17 | 株式会社村田製作所 | コモンモードチョークコイル及びその製造方法 |
JP6122906B2 (ja) * | 2014-06-27 | 2017-04-26 | ダウ グローバル テクノロジーズ エルエルシー | ブロックコポリマーを製造するための方法およびそれから製造される物品 |
JP6356096B2 (ja) * | 2014-06-27 | 2018-07-11 | ダウ グローバル テクノロジーズ エルエルシー | ブロックコポリマーを製造するための方法およびそれから製造される物品 |
-
2015
- 2015-01-21 FR FR1550470A patent/FR3031751B1/fr active Active
-
2016
- 2016-01-21 TW TW105101874A patent/TW201708288A/zh unknown
- 2016-01-21 WO PCT/FR2016/050115 patent/WO2016116707A1/fr active Application Filing
- 2016-01-21 EP EP16703349.7A patent/EP3248062A1/fr not_active Withdrawn
- 2016-01-21 CN CN201680017316.9A patent/CN107430332A/zh active Pending
- 2016-01-21 US US15/545,113 patent/US20180011399A1/en not_active Abandoned
- 2016-01-21 SG SG11201706000RA patent/SG11201706000RA/en unknown
- 2016-01-21 KR KR1020177023115A patent/KR20170118742A/ko not_active Application Discontinuation
- 2016-01-21 JP JP2017537909A patent/JP6588555B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
FR3031751B1 (fr) | 2018-10-05 |
TW201708288A (zh) | 2017-03-01 |
FR3031751A1 (fr) | 2016-07-22 |
SG11201706000RA (en) | 2017-08-30 |
CN107430332A (zh) | 2017-12-01 |
US20180011399A1 (en) | 2018-01-11 |
WO2016116707A1 (fr) | 2016-07-28 |
JP2018502967A (ja) | 2018-02-01 |
JP6588555B2 (ja) | 2019-10-09 |
KR20170118742A (ko) | 2017-10-25 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP2788442B1 (fr) | Procede de preparation de surfaces | |
FR3037071B1 (fr) | Procede de reduction de la defectivite d'un film de copolymere a blocs | |
FR3008987A1 (fr) | Procede de controle de la periode caracterisant la morphologie obtenue a partir d'un melange de copolymere a blocs et de (co) polymeres de l'un des blocs | |
FR3010413A1 (fr) | Procede de controle de la periode d'un assemblage nano-structure comprenant un melange de copolymeres a blocs | |
FR3045645B1 (fr) | Procede de reduction des defauts dans un film ordonne de copolymeres a blocs | |
FR3010414A1 (fr) | Procede d'obtention de films epais nano-structures obtenus a partir d'une composition de copolymeres a blocs | |
EP3247747A1 (fr) | Procédé d'amélioration de l'uniformité de dimension critique de films ordonnés de copolymères à blocs | |
EP3248062A1 (fr) | Procédé de réduction des défauts dans un film ordonné de copolymère a blocs | |
WO2016116706A1 (fr) | Procédé d'obtention de films ordonnes épais et de périodes élevées comprenant un copolymère a blocs | |
EP3019915A1 (fr) | Procede d'orientation perpendiculaire de nanodomaines de copolymeres a blocs par l'utilisation de copolymeres statistiques ou a gradient dont les monomeres sont au moins en partie differents de ceux presents respectivement dans chacun des blocs du copolymere a blocs | |
FR3045643A1 (fr) | Procede d'amelioration de l'uniformite de dimension critique de films ordonnes de copolymere a blocs | |
FR3045644A1 (fr) | Procede d'obtention de films ordonnes epais et de periodes elevees comprenant un copolymere a blocs | |
WO2016116708A1 (fr) | Procédé de réduction du temps d'assemblage des films ordonnes de copolymère a blocs | |
FR3010411A1 (fr) | Procede de controle de la periode d'un assemblage nano-structure comprenant un melange de copolymeres a blocs | |
FR3032713A1 (fr) | Procede de reduction des defauts dans un film ordonne de copolymeres a blocs | |
EP3191894A1 (fr) | Procede de controle du taux de defauts dans des films obtenus avec des melanges de copolymeres a blocs et de polymeres | |
FR3032714A1 (fr) | Procede de reduction du temps d'assemblage des films ordonnes de copolymeres a blocs | |
FR3032712A1 (fr) | Procede d'obtention de films ordonnes epais et de periodes elevees comprenant un copolymere a blocs |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 20170720 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
AX | Request for extension of the european patent |
Extension state: BA ME |
|
RIN1 | Information on inventor provided before grant (corrected) |
Inventor name: INOUBLI, RABER Inventor name: CHEVALIER, XAVIER Inventor name: NAVARRO, CHRISTOPHE Inventor name: NICOLET, CELIA |
|
DAV | Request for validation of the european patent (deleted) | ||
DAX | Request for extension of the european patent (deleted) | ||
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 20180309 |