WO2006077684A1 - シリルフェニレン系ポリマーを含有する中間層形成用組成物およびそれを用いたパターン形成方法 - Google Patents
シリルフェニレン系ポリマーを含有する中間層形成用組成物およびそれを用いたパターン形成方法 Download PDFInfo
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- WO2006077684A1 WO2006077684A1 PCT/JP2005/019585 JP2005019585W WO2006077684A1 WO 2006077684 A1 WO2006077684 A1 WO 2006077684A1 JP 2005019585 W JP2005019585 W JP 2005019585W WO 2006077684 A1 WO2006077684 A1 WO 2006077684A1
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- intermediate layer
- forming
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- etching
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- 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
- G03F7/075—Silicon-containing compounds
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- 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
- G03F7/09—Photosensitive materials characterised by structural details, e.g. supports, auxiliary layers
- G03F7/11—Photosensitive materials characterised by structural details, e.g. supports, auxiliary layers having cover layers or intermediate layers, e.g. subbing layers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
- C08L83/16—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers in which all the silicon atoms are connected by linkages other than oxygen atoms
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
- C09D183/16—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers in which all the silicon atoms are connected by linkages other than oxygen atoms
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- 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
- G03F7/038—Macromolecular compounds which are rendered insoluble or differentially wettable
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- 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
- G03F7/075—Silicon-containing compounds
- G03F7/0752—Silicon-containing compounds in non photosensitive layers or as additives, e.g. for dry lithography
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- 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
- G03F7/09—Photosensitive materials characterised by structural details, e.g. supports, auxiliary layers
- G03F7/091—Photosensitive materials characterised by structural details, e.g. supports, auxiliary layers characterised by antireflection means or light filtering or absorbing means, e.g. anti-halation, contrast enhancement
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
- H10P14/00—Formation of materials, e.g. in the shape of layers or pillars
- H10P14/60—Formation of materials, e.g. in the shape of layers or pillars of insulating materials
- H10P14/66—Formation of materials, e.g. in the shape of layers or pillars of insulating materials characterised by the type of materials
- H10P14/668—Formation of materials, e.g. in the shape of layers or pillars of insulating materials characterised by the type of materials the materials being characterised by the deposition precursor materials
- H10P14/6681—Formation of materials, e.g. in the shape of layers or pillars of insulating materials characterised by the type of materials the materials being characterised by the deposition precursor materials the precursor containing a compound comprising Si
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
- H10P50/00—Etching of wafers, substrates or parts of devices
- H10P50/20—Dry etching; Plasma etching; Reactive-ion etching
- H10P50/26—Dry etching; Plasma etching; Reactive-ion etching of conductive or resistive materials
- H10P50/264—Dry etching; Plasma etching; Reactive-ion etching of conductive or resistive materials by chemical means
- H10P50/266—Dry etching; Plasma etching; Reactive-ion etching of conductive or resistive materials by chemical means by vapour etching only
- H10P50/267—Dry etching; Plasma etching; Reactive-ion etching of conductive or resistive materials by chemical means by vapour etching only using plasmas
- H10P50/268—Dry etching; Plasma etching; Reactive-ion etching of conductive or resistive materials by chemical means by vapour etching only using plasmas of silicon-containing layers
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
- H10P50/00—Etching of wafers, substrates or parts of devices
- H10P50/20—Dry etching; Plasma etching; Reactive-ion etching
- H10P50/28—Dry etching; Plasma etching; Reactive-ion etching of insulating materials
- H10P50/282—Dry etching; Plasma etching; Reactive-ion etching of insulating materials of inorganic materials
- H10P50/283—Dry etching; Plasma etching; Reactive-ion etching of insulating materials of inorganic materials by chemical means
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
- H10P50/00—Etching of wafers, substrates or parts of devices
- H10P50/71—Etching of wafers, substrates or parts of devices using masks for conductive or resistive materials
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
- H10P50/00—Etching of wafers, substrates or parts of devices
- H10P50/73—Etching of wafers, substrates or parts of devices using masks for insulating materials
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
- H10P76/00—Manufacture or treatment of masks on semiconductor bodies, e.g. by lithography or photolithography
- H10P76/20—Manufacture or treatment of masks on semiconductor bodies, e.g. by lithography or photolithography of masks comprising organic materials
- H10P76/204—Manufacture or treatment of masks on semiconductor bodies, e.g. by lithography or photolithography of masks comprising organic materials of organic photoresist masks
- H10P76/2041—Photolithographic processes
- H10P76/2043—Photolithographic processes using an anti-reflective coating
Definitions
- the present invention relates to an intermediate layer forming composition containing a silylphenol polymer and a pattern forming method using the same. More specifically, the present invention relates to a composition for forming an intermediate layer (node mask) formed between a work layer and a photoresist layer, and is used for patterning the photoresist layer.
- the composition for forming an intermediate layer that can prevent reflection of exposed exposure light and has a sufficient etching rate difference with respect to the photoresist layer and the layer to be coated, and a pattern forming method using the same It is related to.
- This lithography process is a method in which a photoresist composition is applied onto a work layer, exposed and developed to form a resist pattern, and the resist pattern is transferred to a work film such as a wiring layer or a dielectric layer.
- the exposed region of the film to be processed where the resist pattern force is also exposed has been removed by dry etching.
- the resist layer (hereinafter also referred to as “resist pattern”) is thinned due to the shortening of the wavelength of the exposure light source accompanying the miniaturization of the calo size, so that sufficient dry etching resistance cannot be secured, and the resist layer is not covered. It becomes difficult to process the processed film with high accuracy.
- an intermediate layer (node mask) is inserted between the film to be processed and the photoresist layer.
- it includes a step of forming an organic silicon film having a glass transition temperature of 0 ° C. or higher on the film to be processed, including an organic silicon compound having a bond between silicon and silicon in the main chain.
- a pattern forming method that enables a pattern to be formed with good dimension controllability has been disclosed (for example, see Patent Document 1).
- Patent Document 1 Japanese Patent Laid-Open No. 10-209134 Disclosure of the invention
- the present invention has been made in view of the above problems, and is an intermediate layer forming yarn and article having improved anti-etching properties and antireflection ability for short wavelength light (absorption ability of short wavelength light).
- the challenge is to provide
- R and R are each independently hydrogen or an alkyl group having 1 to 20 carbon atoms
- n and n are integers representing the number of repeating units.
- composition for forming an intermediate layer according to the present invention includes:
- R and R are each independently hydrogen or an alkyl group having 1 to 20 carbon atoms
- n and n are integers representing the number of repeating units.
- the intermediate layer forming step is performed by applying the intermediate layer forming composition onto a film to be processed to form an intermediate layer, and the intermediate layer forming step.
- composition for forming an intermediate layer of the present invention By using the composition for forming an intermediate layer of the present invention, a pattern with high dimensional accuracy can be formed. Further, reflection of short wavelength light can be prevented, and the etching layer has a sufficient etching rate difference with respect to the photoresist layer and the cover layer.
- Fig. 1 shows an intermediate layer formed from the composition for forming an intermediate layer of the present invention and Th.
- FIG. 2 is a graph showing etching rates of an intermediate layer, a Poly-Si film and a CVD-SiO film formed from the composition for forming an intermediate layer of the present invention.
- composition for forming an intermediate layer (node mask) of the present invention is
- R and R are each independently hydrogen or an alkyl group having 1 to 20 carbon atoms
- n and n are integers representing the number of repeating units.
- the silylphenol polymer (A) used in the present invention is a polymer having a repeating unit represented by the general formula (1).
- R and R are each independently hydrogen or an alkyl group having 1 to 20 carbon atoms. This
- alkyl groups examples include methyl, ethyl, propyl, isopropyl, n-butyl, sec-butyl, tert-butyl, cyclopentyl, cyclohexyl, and 2-ethylhexyl.
- R and R are preferably different from each other. It is R and R
- the solubility of the polymer (A) in the solvent (B) can be controlled.
- the preferred combination of R and R is the difference in carbon number between R and R.
- R and R has 10 carbon atoms.
- R and R is, for example, methyl
- a combination of a group and a propyl group is preferred.
- the solubility in the solvent (B) is preferably 0.5 wt% to 50 wt%, more preferably 1 wt% to 20 wt%.
- the film thickness of the intermediate layer (node mask) formed from the above intermediate layer forming composition cannot be uniformly limited depending on the application, but the lower limit is 10 nm or more, more preferably 3 Onm
- the upper limit thereof is lOOOnm or less, preferably 500 nm or less, more preferably 300 nm or less.
- the polymer concentration in the intermediate layer forming yarn can be adjusted. It becomes easy to adjust the film thickness of the intermediate layer (hard mask) to be formed.
- the intermediate layer (node mask) formed from the composition for forming an intermediate layer of the present invention has an aromatic ring in the repeating structure and contains the compound of the above general formula (1). Therefore, it has excellent antireflection performance. In particular, it has excellent antireflection performance for short wavelength rays of about 193 nm.
- the main skeleton of the compound represented by the general formula (1) is a silylphenol-based material, etching gas, in particular, compared with an inorganic coating such as a polysilicon film, an oxide silicon film, or a silicon nitride film.
- halogenated gases such as CF, CF, CHF, CH F, and SF
- the ratio of the aromatic ring can be adjusted, and the absorption characteristics of the intermediate layer (node mask) formed from the intermediate layer forming composition can be adjusted. It can be adjusted as appropriate.
- the silyl-phenylene-based polymer (A) used in the composition for forming an intermediate layer of the present invention is preferably one having a repeating unit number power of 1 to 200 represented by n in the general formula (1).
- the weight average molecular weight force is in the range of OO to 10000, preferably 1000 to 5000. This is mainly because it becomes easy to secure film formability and film flatness, and also has excellent etching resistance. In particular, if the molecular weight is too low, the silylphenol polymer (A) It may volatilize and film formation may not be possible.
- the weight average molecular weight can be measured by gel permeation chromatography.
- Examples of the solvent (B) used in the present invention include monohydric alcohols such as methyl alcohol, ethyl alcohol, propyl alcohol, and butyl alcohol, ethylene glycol, polyethylene glycol, propylene glycol, glycerin, trimethylolpropane, hexanetriol, and the like.
- Monohydric alcohol ethylene glycol monomethyl ether, ethylene glycol mononomonoethylenoate, ethyleneglycol monopropinoleatenore, ethyleneglycol monomonobutinoleatenore, diethyleneglycolenomonomonoethylenate, diethyleneglycone Lemonechinoreethenore, Diethyleneglycololemonopropinoreatenore, Diethylene glycol monobutyl ether, Propylene glycol monomethyl ether, Propile Monoethers of polyhydric alcohols such as glycolenomonoethylenoleateolene, propyleneglycolenomonopropinoleatenole, propyleneglycolmonobutylether, esters such as methyl acetate, ethyl acetate, butyl acetate, acetone, methyl ether Ketones such as tilketone, cycloalkylketone, and methylisoa
- cycloalkyl ketone or alkylene glycol dialkyl ether is more preferable.
- PGDM propylene glycol dimethyl ether
- These organic solvents may be used alone or in combination of two or more.
- the blending amount is suitably in the range of 70 to 99% by mass with respect to the total amount of the intermediate layer forming composition.
- a low dielectric polymer such as a conventional polyarylene ether is mixed as a polymer other than the silylphenol-based polymer (A).
- A silylphenol-based polymer
- the mixing amount needs to be such that the antireflection ability of the composition after mixing with respect to short-wavelength light is within a practical range.
- the etching rate can be controlled by the mixing ratio of the conventional low dielectric polymer.
- a hydrolyzate of alkoxysilane and a siloxane polymer such as Z or condensate may be mixed.
- This pattern forming method includes at least the following steps (i) to (iii).
- a pattern can be formed on the layer to be coated by including the following step (iv).
- Examples of the film to be coated in the step (i) include those having an etching rate with respect to a halogen gas higher than that of the intermediate layer, such as an organic coating, a silicon substrate, and polysilicon (poly-Si). ) Film, silicon oxide (SiO 2) film, silicon nitride (Si N) film, etc.
- Examples include inorganic coatings such as silicon coatings and metal wiring. These processed films may be formed by any method such as coating or CVD!
- the intermediate layer can be formed by applying the composition for forming an intermediate layer of the present invention on a film to be processed, heat-treating it and drying it. Further, it may be cured by performing a baking treatment after the drying.
- a coating method for example, an arbitrary method such as a spray method, a spin coat method, a dip coat method, or a roll coat method can be used.
- Middle The thickness of the layer is appropriately selected depending on the device to be applied.
- the above heat treatment may be performed, for example, for about 1 to 6 minutes on a hot plate at about 80 to 300 ° C.
- This heat treatment is preferably performed in three steps or more and in steps. Specifically, after the first drying treatment for about 30 seconds to 2 minutes on a hot plate at about 70 to 120 ° C in the atmosphere or an inert gas atmosphere such as nitrogen, then 130 to 220 °
- the second drying process is performed at about C for about 30 seconds to 2 minutes
- the third drying process is performed at about 150 to 300 ° C for about 30 seconds to 2 minutes.
- the surface of the coating film can be made uniform by performing a stepwise drying treatment of three or more steps, preferably about 3 to 6 steps.
- the heat-treated coating film may be subjected to a baking treatment next!
- firing may be performed in a nitrogen atmosphere at a temperature of about 300 to 400 ° C! ,.
- a lower layer film may be provided between the processed film and the intermediate layer.
- the resist pattern formed in the step (ii) is obtained by, for example, applying a photoresist on the intermediate layer and drying to form a photoresist layer, and then exposing and developing the photoresist layer.
- the intermediate layer formed from the composition for forming an intermediate layer of the present application has an antireflection ability particularly for light having a wavelength near 193 nm, and a good resist pattern can be obtained by using an ArF resist as the photoresist.
- An antireflection film or the like may be provided between the intermediate layer and the photoresist layer. Thereby, even with exposure light of other wavelengths, reflection of exposure light can be suppressed and a good resist pattern can be formed by changing the antireflection film.
- the exposure and development processes can be performed using conventional processes in normal lithography.
- Examples of the etching gas used in the dry etching process in the step (iii) include a gas containing a norogen gas.
- a gas containing a norogen gas As such a halogen gas, one having an etching rate with respect to the intermediate layer larger than that of the resist pattern can be appropriately selected and used.
- a halogen gas specifically, for example, C
- a halogenated gas is preferable.
- silylphenylene-based polymer (A1) having a repeating unit of the following chemical formula (2) and a molecular weight of 4000 was used.
- n is an integer representing the number of repeating units.
- the above-mentioned composition for forming an intermediate layer was applied onto a silicon wafer by a spin coating method, and was subjected to a heat treatment at 80 ° C for 1 minute in the air on a hot plate. Next, heat treatment was performed at 150 ° C for 1 minute and further at 340 ° C for 1 minute (drying treatment). The film thickness (intermediate layer (hard mask)) obtained was 35 nm.
- a film (intermediate layer (hard mask)) was obtained in the same manner as in Example 1.
- the obtained intermediate layer was dry-etched, and the change in film thickness before and after the treatment was measured to determine the etching rate.
- FIG. 1 shows an intermediate layer formed from the intermediate layer forming composition of the present invention and a Th. SiO film (
- FIG. 2 is a graph showing an etching rate of a silicon oxide film formed by thermal oxidation.
- FIG. 2 shows an intermediate layer formed from the composition for forming an intermediate layer of the present invention, a Poly—Si film and a CVD—Si 2 O film (CVD method).
- the intermediate layer formed from the intermediate layer forming composition of the present invention is a Th. SiO film, a Poly-Si film, and a CVD-Si N film. Ettin compared to membrane G.
- Example 2 In the same manner as in Example 1, a coating solution (intermediate layer forming composition) was obtained. The obtained composition for forming an intermediate layer was applied onto a Th. SiO film by spin coating, and the atmosphere was formed on a hot plate.
- the obtained composition for forming an intermediate layer was applied onto a Th. SiO film by spin coating, and the atmosphere was formed on a hot plate.
- Heat treatment was performed at 80 ° C for 1 minute. Next, heat treatment was performed at 150 ° C for 1 minute and further at 320 ° C for 1 minute (drying treatment).
- the film thickness of the obtained intermediate layer was 35 nm.
- An acetal-based ArF resist composition was spin-coated on the intermediate layer and heat-treated at 105 ° C. for 90 seconds to form an ArF resist layer having a thickness of 1200 nm.
- This substrate was exposed using NSR S-306C (Nikon), followed by a development process of 2.38 wt% TMAH (hydroxymethylammonium hydroxide) for 60 seconds.
- a resist pattern (resist layer) was formed. As a result, a good resist pattern was formed.
- the resist pattern was transferred to the intermediate layer by dry etching the intermediate layer under the conditions of 10 ° C, output 1600Z50W, pressure 3mTorr. As a result, the resist pattern was successfully transferred to the intermediate layer.
- silylphenylene polymer (A2) having a repeating unit of the above chemical formula (2) and having a molecular weight of 1000 was used.
- PGDM propylene glycol dimethyl ether
- the plate was heated at 80 ° C for 1 minute in the air. Next, heat treatment was performed at 150 ° C. for 1 minute and further at 320 ° C. for 1 minute (drying treatment).
- Example 3 In the same manner as in Example 3, a resist pattern was formed. Next, the intermediate layer was etched in the same manner as in Example 3. Further, the lower Th. SiO film was etched through the transfer intermediate layer obtained in the same manner as in Example 3. As a result, good patterning is achieved in any process.
- composition for forming an intermediate layer of the present invention is useful for pattern formation using lithography.
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- Photosensitive Polymer And Photoresist Processing (AREA)
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Description
Claims
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11/795,521 US20080107971A1 (en) | 2005-01-19 | 2005-10-25 | Silylphenylene Polymer Composition For The Formation Of Interlayers And Process For The Formation Of Patterns By Using The Same |
| TW094139913A TW200628987A (en) | 2005-01-19 | 2005-11-14 | Composition for forming intermediate layer including silylphenylene-based polymer, and pattern formation method using the same |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005-011596 | 2005-01-19 | ||
| JP2005011596A JP2006201361A (ja) | 2005-01-19 | 2005-01-19 | シリルフェニレン系ポリマーを含有する中間層形成用組成物およびそれを用いたパターン形成方法 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2006077684A1 true WO2006077684A1 (ja) | 2006-07-27 |
Family
ID=36692079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2005/019585 Ceased WO2006077684A1 (ja) | 2005-01-19 | 2005-10-25 | シリルフェニレン系ポリマーを含有する中間層形成用組成物およびそれを用いたパターン形成方法 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20080107971A1 (ja) |
| JP (1) | JP2006201361A (ja) |
| KR (1) | KR20070087063A (ja) |
| TW (1) | TW200628987A (ja) |
| WO (1) | WO2006077684A1 (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090148789A1 (en) * | 2007-11-12 | 2009-06-11 | Rohm And Haas Electronic Materials Llc | Coating compositions for use with an overcoated photoresist |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5544242B2 (ja) * | 2009-07-31 | 2014-07-09 | チェイル インダストリーズ インコーポレイテッド | レジスト下層膜用芳香族環含有重合体、これを含むレジスト下層膜組成物、およびこの組成物を用いた素子のパターン形成方法 |
| US8647809B2 (en) | 2011-07-07 | 2014-02-11 | Brewer Science Inc. | Metal-oxide films from small molecules for lithographic applications |
| JP7048903B2 (ja) * | 2017-06-16 | 2022-04-06 | Jsr株式会社 | パターン形成方法及びeuvリソグラフィー用ケイ素含有膜形成組成物 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10209134A (ja) * | 1996-08-22 | 1998-08-07 | Toshiba Corp | パターン形成方法 |
| JP2000194128A (ja) * | 1998-12-28 | 2000-07-14 | Toshiba Corp | パタ―ントランスファ組成物及びパタ―ントランスファ方法 |
| JP2003142477A (ja) * | 2001-11-02 | 2003-05-16 | Fujitsu Ltd | 絶縁膜形成用材料、絶縁膜及びその形成方法並びに半導体装置 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6270948B1 (en) * | 1996-08-22 | 2001-08-07 | Kabushiki Kaisha Toshiba | Method of forming pattern |
| JP2006002125A (ja) * | 2004-06-21 | 2006-01-05 | Tokyo Ohka Kogyo Co Ltd | カルボシラン系ポリマーを含んでなる被膜形成用組成物、および該組成物から得られた被膜 |
| US7427464B2 (en) * | 2004-06-22 | 2008-09-23 | Shin-Etsu Chemical Co., Ltd. | Patterning process and undercoat-forming material |
-
2005
- 2005-01-19 JP JP2005011596A patent/JP2006201361A/ja not_active Withdrawn
- 2005-10-25 WO PCT/JP2005/019585 patent/WO2006077684A1/ja not_active Ceased
- 2005-10-25 US US11/795,521 patent/US20080107971A1/en not_active Abandoned
- 2005-10-25 KR KR1020077016056A patent/KR20070087063A/ko not_active Ceased
- 2005-11-14 TW TW094139913A patent/TW200628987A/zh unknown
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10209134A (ja) * | 1996-08-22 | 1998-08-07 | Toshiba Corp | パターン形成方法 |
| JP2000194128A (ja) * | 1998-12-28 | 2000-07-14 | Toshiba Corp | パタ―ントランスファ組成物及びパタ―ントランスファ方法 |
| JP2003142477A (ja) * | 2001-11-02 | 2003-05-16 | Fujitsu Ltd | 絶縁膜形成用材料、絶縁膜及びその形成方法並びに半導体装置 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090148789A1 (en) * | 2007-11-12 | 2009-06-11 | Rohm And Haas Electronic Materials Llc | Coating compositions for use with an overcoated photoresist |
| EP2071400A1 (en) * | 2007-11-12 | 2009-06-17 | Rohm and Haas Electronic Materials LLC | Coating compositions for use with an overcoated photoresist |
Also Published As
| Publication number | Publication date |
|---|---|
| US20080107971A1 (en) | 2008-05-08 |
| KR20070087063A (ko) | 2007-08-27 |
| TW200628987A (en) | 2006-08-16 |
| JP2006201361A (ja) | 2006-08-03 |
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