WO2017150620A1 - 半導体基板又は装置の洗浄液及び洗浄方法 - Google Patents
半導体基板又は装置の洗浄液及び洗浄方法 Download PDFInfo
- Publication number
- WO2017150620A1 WO2017150620A1 PCT/JP2017/008134 JP2017008134W WO2017150620A1 WO 2017150620 A1 WO2017150620 A1 WO 2017150620A1 JP 2017008134 W JP2017008134 W JP 2017008134W WO 2017150620 A1 WO2017150620 A1 WO 2017150620A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- film
- cleaning
- water
- cleaning liquid
- organic solvent
- 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.)
- Ceased
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/02—Inorganic compounds ; Elemental compounds
- C11D3/04—Water-soluble compounds
- C11D3/044—Hydroxides or bases
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
- C11D7/22—Organic compounds
- C11D7/32—Organic compounds containing nitrogen
- C11D7/3209—Amines or imines with one to four nitrogen atoms; Quaternized amines
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
- C11D17/08—Liquid soap, e.g. for dispensers; capsuled
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/43—Solvents
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
- C11D7/22—Organic compounds
- C11D7/26—Organic compounds containing oxygen
- C11D7/263—Ethers
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
- C11D7/22—Organic compounds
- C11D7/32—Organic compounds containing nitrogen
- C11D7/3281—Heterocyclic compounds
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
- C11D7/22—Organic compounds
- C11D7/34—Organic compounds containing sulfur
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
- C11D7/50—Solvents
- C11D7/5004—Organic solvents
- C11D7/5009—Organic solvents containing phosphorus, sulfur or silicon, e.g. dimethylsulfoxide
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
- C11D7/50—Solvents
- C11D7/5004—Organic solvents
- C11D7/5013—Organic solvents containing nitrogen
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
- C11D7/50—Solvents
- C11D7/5004—Organic solvents
- C11D7/5022—Organic solvents containing oxygen
-
- 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
- G03F7/26—Processing photosensitive materials; Apparatus therefor
- G03F7/42—Stripping or agents therefor
- G03F7/422—Stripping or agents therefor using liquids only
- G03F7/425—Stripping or agents therefor using liquids only containing mineral alkaline compounds; containing organic basic compounds, e.g. quaternary ammonium compounds; containing heterocyclic basic compounds containing nitrogen
-
- 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
- G03F7/26—Processing photosensitive materials; Apparatus therefor
- G03F7/42—Stripping or agents therefor
- G03F7/422—Stripping or agents therefor using liquids only
- G03F7/426—Stripping or agents therefor using liquids only containing organic halogen compounds; containing organic sulfonic acids or salts thereof; containing sulfoxides
-
- 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
- H10P70/00—Cleaning of wafers, substrates or parts of devices
- H10P70/10—Cleaning before device manufacture, i.e. Begin-Of-Line process
- H10P70/15—Cleaning before device manufacture, i.e. Begin-Of-Line process by wet cleaning only
-
- 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
- H10P70/00—Cleaning of wafers, substrates or parts of devices
- H10P70/20—Cleaning during device manufacture
-
- 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
- H10P70/00—Cleaning of wafers, substrates or parts of devices
- H10P70/20—Cleaning during device manufacture
- H10P70/23—Cleaning during device manufacture during, before or after processing of insulating materials
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D2111/00—Cleaning compositions characterised by the objects to be cleaned; Cleaning compositions characterised by non-standard cleaning or washing processes
- C11D2111/10—Objects to be cleaned
- C11D2111/14—Hard surfaces
- C11D2111/22—Electronic devices, e.g. PCBs or semiconductors
-
- 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
Definitions
- the present invention relates to a cleaning solution and a cleaning method for a semiconductor substrate or apparatus.
- a semiconductor device is formed by laminating a metal wiring, a low dielectric layer, an insulating layer, etc. on a semiconductor substrate such as a silicon wafer. Such a semiconductor device is subjected to an etching process using a resist pattern as a mask.
- the above layers are manufactured by lithography.
- a resist pattern is formed by forming a resist film corresponding to the exposure wavelength, a film such as an antireflection film or a sacrificial film provided below the resist film, and the like.
- a step of removing an unnecessary coating film adhering to the back surface portion or edge portion or both of the substrate after forming a coating film on the substrate, a film was formed on the substrate A plurality of cleaning steps are required, such as a step of removing the entire film existing on the subsequent substrate. Furthermore, the residue derived from the metal wiring layer and the low dielectric layer generated in the etching process is removed using a cleaning solution so as not to hinder the next process and to prevent the semiconductor device from being hindered.
- the film formed on the substrate and its residue are removed by the cleaning liquid from the viewpoint of improving the yield such as rework and reducing the environmental load such as reuse.
- a film made of an inorganic substance containing silicon atoms (hereinafter sometimes referred to as “silicon atom-containing inorganic substance”) or a residue thereof that may be formed as a sacrificial film is difficult to remove. High cleaning performance is required. Furthermore, it is preferable that the flash point of the cleaning liquid is higher than that of the conventional cleaning liquid so that the product can be easily stored and managed.
- the present invention has been made in view of the above problems, and in particular, it is excellent in cleaning performance for removing residues or films made of silicon atom-containing inorganic substances, and has a high flash point.
- An object is to provide a cleaning method.
- the water-soluble organic solvent has a flash point of 60 ° C. or higher, a glycol ether solvent or a non-aqueous solvent.
- a protic polar solvent it has been found that the cleaning liquid is particularly excellent in removal performance for removing a residue or film made of a silicon atom-containing inorganic substance and has a high flash point, and the present invention has been completed. Specifically, the present invention provides the following.
- a first aspect of the present invention is a cleaning solution for a semiconductor substrate or device, which contains a water-soluble organic solvent, a quaternary ammonium hydroxide, and water, and the water-soluble organic solvent has a flash point of 60. It is a cleaning liquid that is a glycol ether solvent or an aprotic polar solvent that is at or above ° C.
- a residue or film formed on a semiconductor substrate or adhering to an apparatus wherein the residue comprises at least one selected from the group consisting of a resist and a silicon atom-containing inorganic substance.
- a cleaning method comprising cleaning an object or a film from the semiconductor substrate or the apparatus using the cleaning liquid according to the first aspect of the present invention.
- the present invention it is possible to provide a cleaning solution and a cleaning method for a semiconductor substrate or an apparatus, which are excellent in cleaning performance for removing a residue or film made of a silicon atom-containing inorganic substance and have a high flash point.
- the “residue or film made of a silicon atom-containing inorganic substance” may be collectively referred to as “inorganic film”.
- the “residue or film comprising a silicon atom-containing inorganic substance” may be a residue or film containing a silicon atom-containing inorganic substance as a main component.
- the cleaning liquid of the present invention can remove the latter more effectively.
- the cleaning liquid of the present embodiment is a cleaning liquid containing a water-soluble organic solvent, a quaternary ammonium hydroxide, and water, and the water-soluble organic solvent has a flash point of 60 ° C. or higher, a glycol ether type Solvent or aprotic polar solvent.
- a cleaning liquid is suitable as a cleaning liquid for a semiconductor substrate or an apparatus.
- the cleaning liquid of the present embodiment has a high flash point and is a residue or film made of a silicon atom-containing inorganic substance on a semiconductor substrate, or a residue or film made of a silicon atom-containing inorganic substance attached to an apparatus (including piping).
- a residue or film made of a resist (hereinafter, the “residue or film made of a resist” may be collectively referred to as a “resist film”) is preferably used. Can also be effectively removed.
- a cleaning liquid is also suitable when versatility that can be used for a plurality of cleaning applications with different objects to be cleaned is desired.
- the “residue or film made of resist” may be a residue or film containing a resist as a main component.
- the water-soluble organic solvent used in the cleaning liquid of this embodiment is a glycol ether solvent or an aprotic polar solvent.
- glycol ether solvent means a solvent in which at least one of the two hydroxyl groups of glycol forms an ether, and the glycol is one in two carbon atoms of the aliphatic hydrocarbon. It means a compound in which each hydroxy group is substituted.
- the aliphatic hydrocarbon may be either a chain aliphatic hydrocarbon or a cyclic aliphatic hydrocarbon, but a chain aliphatic hydrocarbon is preferable.
- the glycol ether solvent is specifically a solvent that is a glycol ether represented by the following general formula.
- R S1 —O— (R S2 —O) n —R S3 (In the above formula, R S1 and R S3 each independently represent a hydrogen atom or an alkyl group having 1 to 6 carbon atoms, R S2 represents an alkylene group having 1 to 6 carbon atoms, and n is 1 to 5) (However, at least one of R S1 and R S3 is an alkyl group having 1 to 6 carbon atoms.)
- glycol ether solvent a solvent in which one of two hydroxyl groups of glycol forms an ether, specifically, one of R S1 and R S3 in the above formula has 1 to 6 carbon atoms.
- a solvent that is a glycol monoalkyl ether that is an alkyl group of is preferred.
- glycol monoalkyl ethers include 3-methoxy-3-methyl-1-butanol (MMB), diisopropylene glycol monomethyl ether (DPM), methyl diglycol (MDG), ethyl diglycol (EDG), and Examples thereof include butyl diglycol (BDG) and ethylene glycol monobutyl ether (EGBE).
- MMB 3-methoxy-3-methyl-1-butanol
- DPM diisopropylene glycol monomethyl ether
- EDG butyl diglycol
- DPM diisopropylene glycol monomethyl ether
- EDG ethyl diglycol
- water-solubility that provides a cleaning solution with good cleaning performance and / or flash point
- Diisopropylene glycol monomethyl ether (DPM) is particularly preferred because of the wide range (concentration) of the organic solvent.
- the aprotic polar solvent used in this embodiment is a solvent having no proton donating property and having polarity.
- aprotic polar solvents include sulfoxide compounds such as dimethyl sulfoxide (DMSO); sulfolane compounds such as sulfolane; amide compounds such as N, N-dimethylacetamide (DMAc); N-methyl-2-pyrrolidone Lactam compounds such as (NMP) and N-ethyl-2-pyrrolidone; lactone compounds such as ⁇ -propiolactone, ⁇ -butyrolactone (GBL) and ⁇ -caprolactone; 1,3-dimethyl-2-imidazolidinone (DMI) It is preferable that it is 1 or more types chosen from imidazolidinone compounds, such as).
- sulfoxide compounds, sulfolane compounds, and lactam compounds are preferable because they are particularly excellent in removal performance of both resist films and inorganic films.
- dimethyl sulfoxide (DMSO), sulfolane, N-methyl-2-pyrrolidone ( NMP) is preferred, dimethyl sulfoxide (DMSO), N-methyl-2-pyrrolidone (NMP) is more preferred, and the concentration range of the water-soluble organic solvent from which a washing solution with good washing performance can be obtained is wide. Even more preferred is methyl-2-pyrrolidone (NMP).
- the water-soluble organic solvent used in the cleaning liquid of the present embodiment has a flash point of 60 ° C. or higher, preferably 60 to 150 ° C.
- the flash point is preferably higher in terms of handleability, but it is preferably 150 ° C. or lower because the drying process may require drying performance in a short time.
- Examples of such a water-soluble organic solvent include 3-methoxy-3-methyl-1-butanol (MMB) having a flash point of 67 ° C., and diisopropylene glycol monomethyl ether having a flash point of 76.5 ° C.
- DPM methyl diglycol
- EDG ethyl diglycol
- BDG butyl diglycol
- NMP dimethyl sulfoxide
- DMSO dimethyl sulfoxide
- the LogP value of the water-soluble organic solvent is preferably in the range of -1.0 to 0.8, more preferably -0.7 to 0.7, and still more preferably -0.5 to 0.5.
- Examples of such a water-soluble organic solvent include 3-methoxy-3-methyl-1-butanol (MMB) having a LogP value of 0.113, and diisopropylene glycol monomethyl ether (LogP value of 0.231).
- DPM methyl diglycol
- EDG ethyl diglycol
- BDG butyl diglycol
- NMP N-methyl-2-pyrrolidone
- DMSO dimethyl sulfoxide
- a water-soluble organic solvent having a LogP value of ⁇ 0.5 to 0.5 such as diisopropylene glycol monomethyl ether (DPM), ethyl diglycol (EDG), N-methyl-2-pyrrolidone (NMP), etc. Is preferable from the viewpoint that both the resist film and the inorganic film can be effectively removed.
- DPM diisopropylene glycol monomethyl ether
- EDG ethyl diglycol
- NMP N-methyl-2-pyrrolidone
- the LogP value means an octanol / water partition coefficient, and can be calculated by calculation using parameters of Gose, Pritchett, Crippen and others (see J. Comp. Chem., 9, 80 (1998)). This calculation can be performed using software such as CAChe 6.1 (manufactured by Fujitsu Limited).
- the water-soluble organic solvent preferably has a flash point of 70 to 100 ° C. and a Log P value of ⁇ 0.5 or more.
- DPM diisopropylene glycol monomethyl ether
- EDG ethyl diglycol
- NMP N-methyl-2-pyrrolidone
- the flash point of the cleaning liquid can be increased, both the resist film and the inorganic film can be effectively removed, and the water-soluble organic solvent can be used in a relatively wide concentration range. Can be contained.
- the content of the water-soluble organic solvent is preferably 50% by mass or more, more preferably 50 to 90% by mass, still more preferably 55 to 85% by mass, more preferably 60 to It is still more preferable that it is 80 mass%.
- cleaning liquid can be made high and an inorganic substance film, Preferably a resist film can be removed effectively.
- the water-soluble organic solvent is preferably 75% by mass or less of the mass of the cleaning liquid, and if within this range, 50% by mass or more. However, it is preferably 55% by mass or more, more preferably 60% by mass or more, still more preferably 65% by mass or more, and particularly preferably about 70% by mass.
- water-soluble organic solvents include 3-methoxy-3-methyl-1-butanol (MMB) having a flash point of 67 ° C.
- the content is within the above range, thereby suppressing the flash point of the cleaning liquid from being lowered, and handling properties. It is preferable from the point of improving.
- the water-soluble organic solvent is preferably 65% by mass or more of the mass of the cleaning liquid, more preferably 65 to 85% by mass, and 70 to 80% by mass. More preferably it is.
- the water-soluble organic solvent include dimethyl sulfoxide (DMSO) having a LogP value of ⁇ 0.681, methyl diglycol (MDG) having a LogP value of ⁇ 0.595, and the like.
- DMSO dimethyl sulfoxide
- MDG methyl diglycol
- the content is preferably in the above range, particularly from the viewpoint of improving the resist film cleaning property.
- the water-soluble organic solvent preferably has a LogP value of ⁇ 0.5 to ⁇ 0.2, particularly ⁇ 0.4 to ⁇ 0.25, and is preferably 65% by mass or more of the mass of the cleaning liquid, and 65 to 85 More preferably, it is more preferably 70 to 80% by mass.
- Examples of the water-soluble organic solvent include N-methyl-2-pyrrolidone (NMP) having a LogP value of ⁇ 0.397, ethyl diglycol (EDG) having a LogP value of ⁇ 0.252. Even when a water-soluble organic solvent having a low LogP value within the above range is used, the content is preferably within the above range, particularly from the viewpoint of improving the detergency of the inorganic film.
- the cleaning liquid of this embodiment is 55 to 75% by mass, particularly 60 to 70% by mass of 3-methoxy-3-methyl-1-butanol (MMB), 55 to 85% as a water-soluble organic solvent with respect to the mass of the cleaning liquid.
- MMB 3-methoxy-3-methyl-1-butanol
- % By weight, in particular 60-80% by weight diisopropylene glycol monomethyl ether (DPM), 55-85% by weight, in particular 60-80% by weight N-methylpyrrolidone (NMP), 60-85% by weight, 65-85%.
- % By weight, in particular 70-80% by weight dimethyl sulfoxide (DMSO), 55-85% by weight, 65-85% by weight, in particular 70-80% by weight methyl diglycol (MDG), 55-85% by weight, in particular 60%.
- DPM diisopropylene glycol monomethyl ether
- NMP N-methylpyrrolidone
- % By weight, in particular 70-80% by weight dimethyl sulfoxide
- EDG ethyl diglycol
- BDG butyl diglycol
- 75-85% by weight preferably contains at least one member selected from the group consisting of particularly 80 wt% sulfolane, and more preferably a water-soluble organic solvent is one selected from said group.
- the water-soluble organic solvent is 65 to 75% by mass, particularly 70% by mass of 3-methoxy-3-methyl-1-butanol (MMB), 55 to 85% by mass, particularly 60 to 75% by mass with respect to the mass of the cleaning liquid.
- MMB 3-methoxy-3-methyl-1-butanol
- DPM diisopropylene glycol monomethyl ether
- NMP N-methylpyrrolidone
- EDG glycol
- BDG butyl diglycol
- the water-soluble organic solvent may be a single type or a mixture of a plurality of types, but even a single type of water-soluble organic solvent effectively contains both the resist film and the inorganic film by containing the content within the above range. It is possible to remove.
- water As water, it is preferable to use pure water, deionized water, ion-exchanged water or the like.
- the water content is preferably 5 to 50% by mass, more preferably 10 to 35% by mass, based on the total amount of the cleaning liquid.
- handling can be facilitated.
- the remaining amount other than the water-soluble organic solvent and the quaternary ammonium hydroxide, and the diol and other components to be contained as necessary can be water.
- quaternary ammonium hydroxide As the quaternary ammonium hydroxide, a compound represented by the following formula (1) is preferably used. By blending a quaternary ammonium hydroxide, it is possible to effectively remove an inorganic film, preferably a resist film.
- R 1 , R 2 , R 3 and R 4 each independently represents an alkyl group having 1 to 6 carbon atoms or a hydroxylalkyl group.
- quaternary ammonium hydroxide examples include tetramethylammonium hydroxide (TMAH), tetraethylammonium hydroxide, tetrapropylammonium hydroxide, tetrabutylammonium hydroxide, tetrapentylammonium hydroxide, monomethyl triple ammonium hydroxide.
- TMAH tetraethylammonium hydroxide
- tetrapropylammonium hydroxide tetrabutylammonium hydroxide
- monomethyl triple ammonium hydroxide 2-hydroxyethyl trimethylammonium hydroxide, etc.
- quaternary ammonium hydroxides can be used.
- the content of the quaternary ammonium hydroxide is preferably 0.1 to 20% by mass, more preferably 0.3 to 15% by mass, and more preferably 0.5 to 10% by mass with respect to the total amount of the cleaning liquid. % Is more preferable, and 1 to 3% by mass is even more preferable.
- the content of the quaternary ammonium hydroxide is within the above range, it is possible to prevent corrosion of other materials such as metal wiring while maintaining good solubility of the inorganic film, preferably resist film. it can.
- a solvent other than the above-described water-soluble organic solvent and a surfactant may be added within a range not impairing the effects of the present invention.
- a solvent having a flash point of 60 ° C. or higher is preferable, and examples thereof include polyhydric alcohols such as ethylene glycol, propylene glycol, butylene glycol, and glycerin. A diol having two is more preferable. Among these, propylene glycol is preferable from the viewpoints of handleability and viscosity.
- the content of the solvent other than the water-soluble organic solvent described above is preferably more than 0% by mass and 20% by mass or less, more preferably 1 to 15% by mass, and more preferably 2 to 10% by mass with respect to the total amount of the cleaning liquid. % Is more preferable, and 3 to 8% by mass is even more preferable. By setting it as such content, the handleability of a washing
- the cleaning liquid of the present embodiment may contain a polyhydric alcohol having three or more hydroxyl groups, such as glycerin, for example, 35% by mass or less, specifically, the content within the above range. It cannot be contained from a viewpoint of maintaining.
- the surfactant is not particularly limited, and examples thereof include nonionic surfactants, anionic surfactants, cationic surfactants, and amphoteric surfactants.
- a cleaning method using the cleaning liquid of the present invention is also one aspect of the present invention.
- the cleaning method of the present invention is a residue or film formed on a semiconductor substrate or adhering to an apparatus, the residue or film comprising at least one selected from the group consisting of a resist and a silicon atom-containing inorganic substance Is cleaned or removed from the semiconductor substrate or the apparatus using the cleaning liquid of the present invention.
- the residue or film examples include all or a part of various films formed in the manufacture of a semiconductor substrate, or a residue remaining on a semiconductor substrate or the like mainly after removal of the film. .
- membrane attaches easily for example, the below-mentioned chemical
- a chemical liquid supply apparatus will be described as an example of the apparatus.
- the semiconductor substrate may be simply referred to as “substrate”.
- the cleaning liquid of this embodiment is, for example, (I) a step of removing an unnecessary coating film adhering to the back surface portion or the edge portion or both of the substrate after the coating film is formed on the substrate;
- Various substrate cleaning processes such as the removal process of the entire coating film on the substrate after the film is formed, (III) the substrate cleaning process before applying the coating liquid for coating film formation, and (IV) various coating films It can be applied to a plurality of cleaning applications with different objects to be cleaned, such as a cleaning process of a chemical solution supply apparatus for forming a liquid crystal, and all exhibit high cleaning performance.
- the removal process of the unnecessary coating film adhering to the substrate rear surface portion and / or the edge portion after the coating film is formed on the substrate (I) is specifically as follows.
- the coating film is formed on the substrate by, for example, a spin coating method using a spinner.
- a coating film is applied on the substrate in this way, the coating film is diffused and applied in the radial direction by centrifugal force, so that the thickness of the substrate edge is thicker than the center of the substrate, and the back surface of the substrate Also, the coating film may wrap around and adhere.
- the unnecessary coating film adhering to at least a part of the edge portion and the back surface portion of the substrate is cleaned and removed by bringing the cleaning liquid of this embodiment into contact therewith.
- the cleaning liquid of this embodiment it is possible to efficiently remove an unnecessary coating film on at least a part of the substrate edge portion and the back surface portion in a short time.
- the specific method for removing the unnecessary coating film by bringing it into contact with the cleaning liquid of this embodiment is not particularly limited, and a known method can be used.
- the cleaning liquid is dropped or sprayed on the edge or back surface of the substrate with the cleaning liquid supply nozzle while rotating the substrate.
- the supply amount of the cleaning liquid from the nozzle is appropriately selected depending on the type of coating film such as a resist to be used, the film thickness and the like, but is usually selected in the range of 3 to 50 ml / min.
- a method of inserting the edge portion of the substrate into the storage portion previously filled with the cleaning solution from the horizontal direction and then immersing the edge portion of the substrate in the cleaning solution in the storage portion for a predetermined time may be used. However, it is not limited to these exemplary methods.
- the step of removing the entire coating film existing on the substrate after the coating film is formed on the substrate of (II) is specifically as follows.
- the coating film applied on the substrate is cured by heating and drying.
- a problem may occur without continuing the subsequent processing steps, such as when a defect occurs in the formation of the coating film.
- This is a step of cleaning and removing the entire coating film once brought into contact with the cleaning liquid of this embodiment. Even in such a case, the cleaning liquid of this embodiment can be used.
- Such a process is usually referred to as a rework process, and the method of such a rework process is not particularly limited, and a known method can be used.
- the substrate cleaning step before applying the (III) coating film forming material is specifically as follows.
- the cleaning liquid of this embodiment is dropped on the substrate.
- a pre-wet process is also a process for reducing the amount of resist used.
- this process is described as one of the substrate cleaning processes. To do.
- a prewetting method is not particularly limited, and a known method can be used.
- the chemical solution supply apparatus for forming the various coating films described above is composed of a pipe, a chemical solution application nozzle, a coater cup, and the like, and by using the cleaning liquid of this embodiment, the chemical solution adhered to the chemical solution supply apparatus and solidified. It can also be used effectively for cleaning and removal.
- the chemical liquid is completely drained from the pipe of the chemical liquid supply apparatus and is emptied, and the cleaning liquid of this embodiment is poured into the pipe to fill the pipe, and left as it is for a predetermined time. After a predetermined time, while discharging the cleaning liquid from the pipe, or after discharging, the chemical liquid for forming the coating film is poured into the pipe and passed, and then the supply of the chemical liquid onto the substrate or the discharge of the chemical liquid is started.
- the cleaning liquid of the present embodiment is widely applicable to piping through which materials for forming various coating films are passed, has excellent compatibility, and has no reactivity, so there is no heat generation, gas generation, etc. There are no abnormal liquid properties such as separation and white turbidity, and there are excellent effects such as no increase in foreign matter in the liquid.
- the chemical solution supply operation can be started only by performing an air flow while discharging the cleaning solution or after discharging the cleaning solution.
- the attached chemical solution is washed and removed.
- the tip of the application nozzle is dispensed in a solvent atmosphere.
- the cleaning liquid of this embodiment is also useful as this dispense liquid. However, it is not limited to these methods.
- the attached chemical solution is washed and removed by bringing the coating film residue attached to the coater cup in the chemical solution supply device into contact with the cleaning solution of the present embodiment by a known method. be able to. However, it is not limited to such a method.
- a resist film corresponding to each exposure wavelength such as g-line, i-line, KrF excimer laser, ArF excimer laser, EUV, and the resist underlayer
- examples thereof include an antireflection film provided, a sacrificial film made of an inorganic film such as a silicon hard mask containing silicon atoms, and a protective film provided on the upper layer of the resist.
- a well-known thing is used as such a coating film.
- it is a great merit that a resist underlayer film, a resist film, and a protective film are sequentially stacked on a substrate, and the same cleaning liquid can be used for all these material systems.
- the resist film a material including a novolac resin, a styrene resin, an acrylic resin, or the like as a substrate resin component is used, and as an antireflection film provided under the resist film, a light-absorbing material is used.
- the material of the structure containing the acrylic resin which has a substituent is mentioned.
- materials having a constitution containing an alkali-soluble resin made of a fluorine atom-containing polymer are generally used.
- a cleaning performance that can efficiently clean the object to be cleaned in a short time is required.
- the time required for the cleaning process varies in various cleaning steps, but normally, it is required to have performance capable of achieving cleaning in 1 to 60 seconds.
- drying performance is required to dry in a short time, but this is usually required to dry in 5 to 60 seconds.
- the cleaning liquid of the present embodiment has versatility that it can cover a plurality of different uses of a plurality of different film materials and cleaning targets for forming various coating films used in the lithography process,
- a cleaning solution that can clean and remove the object to be cleaned efficiently in a short time, a drying performance that quickly dries in a short time, and does not adversely affect the shape of the remaining film used in the subsequent process.
- it can satisfy various required characteristics such as high flash point, easy handling, low cost, and stable supply.
- a cleaning solution was prepared based on the compositions and blending amounts shown in Tables 1 to 3 below. In addition, about each reagent, the reagent marketed generally was used. Moreover, the numerical value in a table
- surface is shown by the unit of the mass%.
- the wafer on which the inorganic film was formed was immersed in the cleaning liquid shown in Tables 1 to 3 at 40 ° C. for 5 minutes, and then rinsed with pure water at 25 ° C. for 60 seconds.
- the cleaning state of the inorganic film by these treatments was evaluated according to the following criteria. The results are shown in Tables 1 to 3.
- the detergency of the inorganic film is described in the line “Si-HM”. ⁇ : Excellent film peelability, film was completely removed ⁇ : Film peelability was observed, and film residue (residue) was almost removed ⁇ : Film peelability was not observed, film remaining (residue) *) Was confirmed *: It became cloudy and could not be used as a cleaning solution.
- the flash point can be obtained by measuring with a closed tag type at a liquid temperature of 80 ° C. or less and measuring with a Cleveland open type at a liquid temperature higher than 80 ° C. at 1 atm.
- a closed tag type at a liquid temperature of 80 ° C. or less
- a Cleveland open type at a liquid temperature higher than 80 ° C. at 1 atm.
- water-soluble organic solvents 3-methoxy-3-methyl-1-butanol (MMB), diisopropylene glycol monomethyl ether (DPM), N-methyl-2-pyrrolidone (NMP), ethyl diglycol (EDG)
- DPM diisopropylene glycol monomethyl ether
- NMP N-methyl-2-pyrrolidone
- EDG ethyl diglycol
- BDG butyl diglycol
- the content of the organic solvent is preferably 65 to 85% by mass, particularly preferably 70 to 80% by mass. From the results of Examples 21 and 22 using sulfolane, it is found that when sulfolane is used as the water-soluble organic solvent, its content is preferably 75 to 85% by mass, particularly about 80% by mass.
- Comparative Example 8 using a mixed solvent of (GBL) and anisole the flash point was confirmed although the detergency for the resist film and the inorganic film was good.
- Comparative Examples 4 to 6 using propylene glycol monomethyl ether acetate (PGMEA) it did not dissolve in water and became cloudy and could not be used as a cleaning solution.
- Comparative Examples 9 to 11 containing glycerin as a main component the film residue was confirmed in both the resist film and the inorganic film, and the cleaning performance was insufficient.
Landscapes
- Chemical & Material Sciences (AREA)
- Wood Science & Technology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Emergency Medicine (AREA)
- Inorganic Chemistry (AREA)
- Cleaning Or Drying Semiconductors (AREA)
- Detergent Compositions (AREA)
- Exposure Of Semiconductors, Excluding Electron Or Ion Beam Exposure (AREA)
Abstract
Description
具体的には、本発明は以下のものを提供する。
本実施形態の洗浄液は、水溶性有機溶媒、第四級アンモニウム水酸化物、及び水を含有する、洗浄液であって、該水溶性有機溶媒は、引火点が60℃以上である、グリコールエーテル系溶媒又は非プロトン性極性溶媒である。かかる洗浄液は、半導体基板又は装置用の洗浄液として好適である。
本実施形態において、「レジストからなる残渣物又は膜」は、レジストを主成分として含有する残渣物又は膜であってよい。
本実施形態の洗浄液に用いられる水溶性有機溶媒は、グリコールエーテル系溶媒又は非プロトン性極性溶媒である。
本明細書において、グリコールエーテル系溶媒とは、グリコールが有する2つの水酸基のうちの少なくとも1つがエーテルを形成している溶媒を意味し、グリコールとは、脂肪族炭化水素の2つの炭素原子に1つずつヒドロキシ基が置換してなる化合物を意味する。該脂肪族炭化水素は、鎖状脂肪族炭化水素、又は環式脂肪族炭化水素の何れであってもよいが、鎖状脂肪族炭化水素が好ましい。
グリコールエーテル系溶媒は、具体的には、下記一般式で表されるグリコールエーテルである溶媒である。
RS1-O-(RS2-O)n-RS3
(上記式中、RS1、及びRS3はそれぞれ独立に水素原子又は炭素原子数1~6のアルキル基を示し、RS2は炭素原子数1~6のアルキレン基を示し、nは1~5の整数を示す。但し、RS1、及びRS3のうち少なくとも何れかは炭素原子数1~6のアルキル基である。)
本実施形態に用いられる非プロトン性極性溶媒は、プロトン供与性を持たず、極性を有する溶媒である。このような非プロトン性極性溶媒としては、例えば、ジメチルスルホキシド(DMSO)等のスルホキシド化合物;スルホラン等のスルホラン化合物;N,N-ジメチルアセトアミド(DMAc)等のアミド化合物;N-メチル-2-ピロリドン(NMP)、N-エチル-2-ピロリドン等のラクタム化合物;β-プロピオラクトン、γ-ブチロラクトン(GBL)、ε-カプロラクトン等のラクトン化合物;1,3-ジメチル-2-イミダゾリジノン(DMI)等のイミダゾリジノン化合物の中から選ばれる1種以上であることが好ましい。
これらの中でも、特にレジスト膜及び無機物膜の両方の除去性能に優れることから、スルホキシド化合物、スルホラン化合物、ラクタム化合物が好ましく、なかでも、ジメチルスルホキシド(DMSO)、スルホラン、N-メチル-2-ピロリドン(NMP)が好ましく、ジメチルスルホキシド(DMSO)、N-メチル-2-ピロリドン(NMP)がより好ましく、さらに、良好な洗浄性能の洗浄液が得られる水溶性有機溶媒の濃度範囲が広いことから、N-メチル-2-ピロリドン(NMP)がさらにより好ましい。
本実施形態の洗浄液に用いられる水溶性有機溶媒は、引火点が60℃以上であり、好ましくは60~150℃である。引火点が60℃以上であることにより、製品の保管や管理等の点で取り扱いが容易である。引火点は、取り扱い性の点では高い方が好ましいが、洗浄工程では短時間で迅速に乾燥する乾燥性能も要求される場合があることから、150℃以下であることが好ましい。このような水溶性有機溶媒としては、例えば、引火点が67℃である3-メトキシ-3-メチル-1-ブタノール(MMB)、引火点が76.5℃であるジイソプロピレングリコールモノメチルエーテル(DPM)、引火点が105℃であるメチルジグリコール(MDG)、引火点が97℃であるエチルジグリコール(EDG)、引火点が120℃であるブチルジグリコール(BDG)、引火点が86℃であるN-メチル-2-ピロリドン(NMP)、引火点が95℃であるジメチルスルホキシド(DMSO)等が挙げられる。
水溶性有機溶剤の含有量は、洗浄液全量に対し、50質量%以上であることが好ましく、50~90質量%であることがより好ましく、55~85質量%であることがさらに好ましく、60~80質量%であることがさらにより好ましい。このような含有量とすることにより、洗浄液の引火点を高くすることができ、無機物膜、好ましくはさらにレジスト膜を効果的に除去することができる。
なお、水溶性有機溶媒は、単独1種でも複数種混合されていてもよいが、単独1種でも、上記範囲内の含有量を含有することにより、レジスト膜及び無機物膜の両方を効果的に除去することが可能である。
水としては、純水、脱イオン水、イオン交換水等を用いることが好ましい。
水の含有量は、洗浄液全量に対し、5~50質量%であることが好ましく、10~35質量%であることがより好ましい。水の含有量が上記範囲であることにより、取り扱いを容易にすることができる。もっとも、水溶性有機溶剤及び第四級アンモニウム水酸化物、並びに、必要に応じ含有させるジオールその他の成分以外の残量を水とすることができる。
第四級アンモニウム水酸化物としては、下記式(1)で表される化合物が好ましく用いられる。第四級アンモニウム水酸化物を配合することにより、無機物膜、好ましくはさらにレジスト膜をも効果的に除去することが可能である。
本実施形態の洗浄液には、本発明の効果を損なわない範囲において、上述した水溶性有機溶媒以外の溶剤、界面活性剤等の、その他の成分が添加されていてもよい。上述した水溶性有機溶媒以外の溶剤としては、引火点が60℃以上である溶剤が好ましく、例えば、エチレングリコール、プロピレングリコール、ブチレングリコール、グリセリン等の多価アルコール等が挙げられ、なかでも、水酸基を2つ有するジオールがより好ましい。これらの中でも、プロピレングリコールが取り扱い性、粘度の観点から好ましい。上述した水溶性有機溶媒以外の溶剤の含有量は、洗浄液全量に対し、0質量%超、20質量%以下であることが好ましく、1~15質量%であることがより好ましく、2~10質量%であることがさらに好ましく、3~8質量%であることがさらにより好ましい。このような含有量とすることにより、必要に応じ、洗浄液の取り扱い性、粘度等を調整することができる。本実施形態の洗浄液は、水酸基を3つ以上有する多価アルコール、例えばグリセリン等を例えば35質量%以下、具体的には上記範囲の含有量であれば含有していてもよいが、洗浄性能を維持する観点から含有しないこととすることができる。界面活性剤としては、特に限定されず、例えば、ノニオン系界面活性剤、アニオン系界面活性剤、カチオン系界面活性剤、両性界面活性剤等が挙げられる。
本発明の洗浄液を用いる洗浄方法もまた、本発明の一つである。
本発明の洗浄方法は、半導体基板に形成される若しくは装置に付着する残渣物又は膜であって、レジスト、及びケイ素原子含有無機物からなる群より選択される少なくとも1つからなる上記残渣物又は膜を、本発明の洗浄液を用いて上記半導体基板又は上記装置から洗浄ないし除去することを含む方法である。
装置としては、特に限定されないが、上記残渣物又は膜が付着しやすい部分を有する装置に好適に用いることができ、例えば、半導体基板の製造において各種塗膜を形成するための後述の薬液供給装置等が挙げられる。以下、装置として、薬液供給装置を例にとり、説明する。
また、以下、半導体基板を単に「基板」と略称することがある。
下記表1~表3に示す組成及び配合量に基づき、洗浄液を調製した。なお、各試薬については、一般に市販されている試薬を用いた。また、表中の数値は、質量%の単位で示されるものである。
MMB:3-メトキシ-3-メチル-1-ブタノール、引火点67℃、LogP値0.113
DPM:ジイソプロピレングリコールモノメチルエーテル、引火点76.5℃、LogP値0.231
NMP:N-メチル-2-ピロリドン、引火点86℃、LogP値-0.397
DMSO:ジメチルスルホキシド、引火点95℃、LogP値-0.681
EDG:エチルジグリコール、引火点97℃、LogP値-0.252
MDG:メチルジグリコール、引火点105℃、LogP値-0.595
BDG:ブチルジグリコール、引火点120℃、LogP値0.612
スルホラン:引火点165℃、LogP値-0.165
TMAH:テトラエチルアンモニウム水酸化物:LogP値-2.47
PG:プロピレングリコール:引火点90℃、LogP値-1.4
PGME:プロピレングリコールモノメチルエーテル、引火点32℃、LogP値-0.017
PGMEA:プロピレングリコールモノメチルエーテルアセテート、引火点48.5℃、LogP値0.800
GBL:γ-ブチロラクトン、引火点98℃、LogP値-0.57
アニソール:引火点43℃、Log値2.11
グリセリン:引火点160℃、LogP値-1.081
シリコーンウエハ上に、アクリル樹脂を基材樹脂とするArFレジスト材料である、TArF-P6111(東京応化工業社製)を塗布し、180℃で60秒加熱して、膜厚350nmのレジスト膜を形成した。レジスト膜を形成したウエハを表1~表3に示す洗浄液に40℃にて1分間浸漬処理を行った後、純水により25℃にて60秒間リンス処理した。これらの処理によるレジスト膜の洗浄状態を、下記基準に従って評価した。結果を表1~表3に示す。なお、表中、レジスト膜の洗浄性は「PR」と表した行に記載する。
◎:膜剥離性が良好で、膜が完全に除去できた
〇:膜剥離性が見られ、膜残りがほぼ除去された
×:膜剥離性が見られず、膜残りが確認された
*:白濁し、洗浄液として利用できなかった
シリコンウエハ上に、下記式により表される樹脂(質量平均分子量:9400)100質量部、ヘキサデシルトリメチルアンモニウムアセテート0.3質量部、マロン酸0.75質量部を、PGMEA/乳酸エチル(EL)=6/4(体積比)の混合溶剤に添加し、樹脂のポリマー固形分濃度が2.5質量%となるように調整したものを塗布し、100℃で1分間加熱した後、400℃で30分間加熱して、膜厚30nmの無機物膜を形成した。無機物膜を形成したウエハを表1~表3に示す洗浄液に40℃にて5分間浸漬処理を行った後、純水により25℃にて60秒間リンス処理した。これらの処理による無機物膜の洗浄状態を、下記基準に従って評価した。結果を表1~表3に示す。なお、表中、無機物膜の洗浄性は、「Si-HM」と表した行に記載する。
◎:膜剥離性が良好で、膜が完全に除去された
〇:膜剥離性が見られ、膜残り(残渣物)がほぼ除去された
×:膜剥離性が見られず、膜残り(残渣物)が確認された
*:白濁し、洗浄液として利用できなかった
引火点は、1気圧下において、液温80℃以下ではタグ密閉式で測定し、液温80℃超ではクリーブランド開放式で測定することにより得られる。本実施例においては、クリーブランド開放式による測定において、引火点が測定できた場合を「有」、引火点が測定できなかった場合を「無」と評価した。
Claims (6)
- 水溶性有機溶媒、第四級アンモニウム水酸化物、及び水を含有する、半導体基板又は装置用の洗浄液であって、
前記水溶性有機溶媒は、引火点が60℃以上である、グリコールエーテル系溶媒又は非プロトン性極性溶媒である、洗浄液。 - 前記水溶性有機溶媒は、引火点が60~150℃である、請求項1記載の洗浄液。
- 前記水溶性有機溶媒は、3-メトキシ-3-メチル-1-ブタノール、ジイソプロピレングリコールモノメチルエーテル、N-メチルピロリドン、ジメチルスルホキシド、メチルジグリコール、エチルジグリコール、及びブチルジグリコールからなる群より選択される少なくとも1つである、請求項2記載の洗浄液。
- 前記水溶性有機溶媒は、ジイソプロピレングリコールモノメチルエーテル、N-メチルピロリドン、及びエチルジグリコールからなる群より選択される少なくとも1つである、請求項2記載の洗浄液。
- 半導体基板に形成される若しくは装置に付着する残渣物又は膜であって、レジスト、及びケイ素原子含有無機物からなる群より選択される少なくとも1つからなる前記残渣物又は膜を洗浄するために用いられる、請求項1~4の何れか1項記載の洗浄液。
- 半導体基板に形成される若しくは装置に付着する残渣物又は膜であって、レジスト、及びケイ素原子含有無機物からなる群より選択される少なくとも1つからなる前記残渣物又は膜を、請求項1~5の何れか1項記載の洗浄液を用いて前記半導体基板又は前記装置から洗浄することを含む、洗浄方法。
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2018503375A JP6588150B2 (ja) | 2016-03-01 | 2017-03-01 | 半導体基板又は装置の洗浄液及び洗浄方法 |
| CN201780014217.XA CN108701608A (zh) | 2016-03-01 | 2017-03-01 | 半导体基板或装置的洗涤液及洗涤方法 |
| KR1020207035484A KR102423325B1 (ko) | 2016-03-01 | 2017-03-01 | 반도체 기판 또는 장치의 세정액 및 세정 방법 |
| US16/079,390 US20190048293A1 (en) | 2016-03-01 | 2017-03-01 | Cleaning solution and cleaning method for a semiconductor substrate or device |
| CN202310594076.0A CN116640625A (zh) | 2016-03-01 | 2017-03-01 | 半导体基板或装置的洗涤液及洗涤方法 |
| KR1020187026320A KR102191643B1 (ko) | 2016-03-01 | 2017-03-01 | 반도체 기판 또는 장치의 세정액 및 세정 방법 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016-039436 | 2016-03-01 | ||
| JP2016039436 | 2016-03-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2017150620A1 true WO2017150620A1 (ja) | 2017-09-08 |
Family
ID=59743100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2017/008134 Ceased WO2017150620A1 (ja) | 2016-03-01 | 2017-03-01 | 半導体基板又は装置の洗浄液及び洗浄方法 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20190048293A1 (ja) |
| JP (1) | JP6588150B2 (ja) |
| KR (2) | KR102191643B1 (ja) |
| CN (2) | CN116640625A (ja) |
| TW (2) | TWI789347B (ja) |
| WO (1) | WO2017150620A1 (ja) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI677543B (zh) * | 2018-01-19 | 2019-11-21 | 南韓商Mti股份有限公司 | 切片工藝用保護性塗層劑的剝離劑 |
| JP2020125382A (ja) * | 2019-02-01 | 2020-08-20 | 日本化薬株式会社 | インク及びインクジェット記録方法 |
| JP2022101503A (ja) * | 2020-12-24 | 2022-07-06 | 達興材料股▲ふん▼有限公司 | アルカリ性洗浄組成物、洗浄方法及び半導体製造方法 |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20190103282A1 (en) * | 2017-09-29 | 2019-04-04 | Versum Materials Us, Llc | Etching Solution for Simultaneously Removing Silicon and Silicon-Germanium Alloy From a Silicon-Germanium/Silicon Stack During Manufacture of a Semiconductor Device |
| JP7101598B2 (ja) * | 2018-11-26 | 2022-07-15 | 花王株式会社 | 三次元物体前駆体処理剤組成物 |
| CN118382688A (zh) * | 2021-11-23 | 2024-07-23 | 才将科技股份有限公司 | 一种清洗粘结层的组合物及其应用 |
| KR102798283B1 (ko) | 2024-09-13 | 2025-04-23 | 삼안테크 주식회사 | 가스 캐비닛의 프리필터 장치 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004103771A (ja) * | 2002-09-09 | 2004-04-02 | Tokyo Ohka Kogyo Co Ltd | デュアルダマシン構造形成プロセスに用いられる洗浄液および基板の処理方法 |
| JP2006527783A (ja) * | 2003-06-18 | 2006-12-07 | 東京応化工業株式会社 | 剥離洗浄液、それを用いた半導体基板洗浄方法、及び半導体基板上の配線形成方法 |
| JP2011164293A (ja) * | 2010-02-08 | 2011-08-25 | Tokyo Ohka Kogyo Co Ltd | リソグラフィー用洗浄液及び配線形成方法 |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000056480A (ja) * | 1998-08-10 | 2000-02-25 | Tokyo Ohka Kogyo Co Ltd | レジスト用剥離液組成物およびこれを用いたレジスト剥離方法 |
| JP3738996B2 (ja) * | 2002-10-10 | 2006-01-25 | 東京応化工業株式会社 | ホトリソグラフィー用洗浄液および基板の処理方法 |
| MY131912A (en) * | 2001-07-09 | 2007-09-28 | Avantor Performance Mat Inc | Ammonia-free alkaline microelectronic cleaning compositions with improved substrate compatibility |
| JP4310624B2 (ja) * | 2003-05-30 | 2009-08-12 | 三菱瓦斯化学株式会社 | 表面処理液 |
| US9217929B2 (en) * | 2004-07-22 | 2015-12-22 | Air Products And Chemicals, Inc. | Composition for removing photoresist and/or etching residue from a substrate and use thereof |
| JP4656308B2 (ja) | 2005-05-23 | 2011-03-23 | 日産化学工業株式会社 | 反射防止剤固化物の除去用洗浄液および洗浄方法 |
| JP2006343604A (ja) * | 2005-06-09 | 2006-12-21 | Tokyo Ohka Kogyo Co Ltd | ホトリソグラフィ用洗浄液およびこれを用いた基板の処理方法 |
| US8263539B2 (en) * | 2005-10-28 | 2012-09-11 | Dynaloy, Llc | Dynamic multi-purpose composition for the removal of photoresists and methods for its use |
| JP5143379B2 (ja) * | 2006-06-29 | 2013-02-13 | ナガセケムテックス株式会社 | アルカリ洗浄液 |
| JP6151484B2 (ja) * | 2012-06-11 | 2017-06-21 | 東京応化工業株式会社 | リソグラフィー用洗浄液及び配線形成方法 |
| CN104662643B (zh) * | 2012-06-13 | 2016-03-30 | 三菱瓦斯化学株式会社 | 清洗用液态组合物、半导体元件的清洗方法、以及半导体元件的制造方法 |
| TWI528880B (zh) * | 2012-06-27 | 2016-04-01 | 欣興電子股份有限公司 | 在玻璃基板形成導電通孔的方法 |
| TWI690780B (zh) * | 2014-12-30 | 2020-04-11 | 美商富士軟片電子材料美國股份有限公司 | 用於自半導體基板去除光阻之剝離組成物 |
-
2017
- 2017-03-01 CN CN202310594076.0A patent/CN116640625A/zh active Pending
- 2017-03-01 KR KR1020187026320A patent/KR102191643B1/ko active Active
- 2017-03-01 JP JP2018503375A patent/JP6588150B2/ja active Active
- 2017-03-01 TW TW106106951A patent/TWI789347B/zh active
- 2017-03-01 US US16/079,390 patent/US20190048293A1/en not_active Abandoned
- 2017-03-01 KR KR1020207035484A patent/KR102423325B1/ko active Active
- 2017-03-01 WO PCT/JP2017/008134 patent/WO2017150620A1/ja not_active Ceased
- 2017-03-01 CN CN201780014217.XA patent/CN108701608A/zh active Pending
- 2017-03-01 TW TW110130718A patent/TWI783640B/zh active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004103771A (ja) * | 2002-09-09 | 2004-04-02 | Tokyo Ohka Kogyo Co Ltd | デュアルダマシン構造形成プロセスに用いられる洗浄液および基板の処理方法 |
| JP2006527783A (ja) * | 2003-06-18 | 2006-12-07 | 東京応化工業株式会社 | 剥離洗浄液、それを用いた半導体基板洗浄方法、及び半導体基板上の配線形成方法 |
| JP2011164293A (ja) * | 2010-02-08 | 2011-08-25 | Tokyo Ohka Kogyo Co Ltd | リソグラフィー用洗浄液及び配線形成方法 |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI677543B (zh) * | 2018-01-19 | 2019-11-21 | 南韓商Mti股份有限公司 | 切片工藝用保護性塗層劑的剝離劑 |
| JP2020125382A (ja) * | 2019-02-01 | 2020-08-20 | 日本化薬株式会社 | インク及びインクジェット記録方法 |
| JP7353040B2 (ja) | 2019-02-01 | 2023-09-29 | 日本化薬株式会社 | インク及びインクジェット記録方法 |
| JP2022101503A (ja) * | 2020-12-24 | 2022-07-06 | 達興材料股▲ふん▼有限公司 | アルカリ性洗浄組成物、洗浄方法及び半導体製造方法 |
| JP7291773B2 (ja) | 2020-12-24 | 2023-06-15 | 達興材料股▲ふん▼有限公司 | アルカリ性洗浄組成物、洗浄方法及び半導体製造方法 |
| US12292689B2 (en) | 2020-12-24 | 2025-05-06 | Daxin Materials Corporation | Alkaline cleaning composition, cleaning method, and manufacturing method of semiconductor |
Also Published As
| Publication number | Publication date |
|---|---|
| US20190048293A1 (en) | 2019-02-14 |
| KR20200141099A (ko) | 2020-12-17 |
| KR20180114125A (ko) | 2018-10-17 |
| JP6588150B2 (ja) | 2019-10-09 |
| CN108701608A (zh) | 2018-10-23 |
| TW202146640A (zh) | 2021-12-16 |
| KR102423325B1 (ko) | 2022-07-20 |
| KR102191643B1 (ko) | 2020-12-17 |
| TW201805413A (zh) | 2018-02-16 |
| TWI783640B (zh) | 2022-11-11 |
| TWI789347B (zh) | 2023-01-11 |
| CN116640625A (zh) | 2023-08-25 |
| JPWO2017150620A1 (ja) | 2018-11-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6588150B2 (ja) | 半導体基板又は装置の洗浄液及び洗浄方法 | |
| JP5860020B2 (ja) | 厚いフィルム・レジストを除去するための剥離及びクリーニング用組成物 | |
| TWI247799B (en) | Process solutions containing surfactants | |
| TWI714010B (zh) | 光阻剝除劑 | |
| JP2950407B2 (ja) | 電子部品製造用基材の製造方法 | |
| KR101202860B1 (ko) | 계면활성제를 함유하는 공정액 | |
| CN103713476B (zh) | 用于除去厚膜抗蚀剂的剥离和清除组合物 | |
| KR101734593B1 (ko) | 레지스트 박리액 조성물 및 이를 이용한 레지스트의 박리방법 | |
| WO2003060045A1 (en) | Aqueous stripping and cleaning composition | |
| JP4741315B2 (ja) | ポリマー除去組成物 | |
| JP4358935B2 (ja) | フォトレジスト用ストリッパー組成物 | |
| CN101093364A (zh) | 光致抗蚀剂用剥离液以及使用该剥离液的基板处理方法 | |
| JP4442817B2 (ja) | ホトレジスト用剥離液 | |
| KR101858750B1 (ko) | 레지스트 박리액 조성물 및 이를 이용한 레지스트의 박리방법 | |
| JP2006343604A (ja) | ホトリソグラフィ用洗浄液およびこれを用いた基板の処理方法 | |
| JP7795927B2 (ja) | フォトレジスト剥離組成物 | |
| US20260035639A1 (en) | Rational solvent formulation for cured photoresist removal | |
| JP2019515350A (ja) | ネガ型フォトレジストを用いたパターニング工程におけるlwr改善方法及び組成物 | |
| KR20130112973A (ko) | 레지스트 박리액 조성물 및 이를 이용한 레지스트의 박리방법 | |
| KR20110026977A (ko) | 구리계 배선의 형성을 위한 레지스트 제거용 조성물 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| WWE | Wipo information: entry into national phase |
Ref document number: 2018503375 Country of ref document: JP |
|
| NENP | Non-entry into the national phase |
Ref country code: DE |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 1020187026320 Country of ref document: KR |
|
| 121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 17760084 Country of ref document: EP Kind code of ref document: A1 |
|
| 122 | Ep: pct application non-entry in european phase |
Ref document number: 17760084 Country of ref document: EP Kind code of ref document: A1 |




