WO1998049720A1 - Procede et dispositif de traitement sous vide - Google Patents
Procede et dispositif de traitement sous vide Download PDFInfo
- Publication number
- WO1998049720A1 WO1998049720A1 PCT/JP1998/001949 JP9801949W WO9849720A1 WO 1998049720 A1 WO1998049720 A1 WO 1998049720A1 JP 9801949 W JP9801949 W JP 9801949W WO 9849720 A1 WO9849720 A1 WO 9849720A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- gas
- vacuum
- vacuum processing
- processing chamber
- processing
- Prior art date
Links
- 238000003672 processing method Methods 0.000 title claims abstract description 30
- 239000007789 gas Substances 0.000 claims abstract description 159
- 238000000034 method Methods 0.000 claims abstract description 48
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 43
- 239000001301 oxygen Substances 0.000 claims abstract description 43
- 229910052731 fluorine Inorganic materials 0.000 claims abstract description 32
- 238000003682 fluorination reaction Methods 0.000 claims abstract description 21
- 125000001153 fluoro group Chemical group F* 0.000 claims abstract description 21
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims abstract description 14
- 230000003213 activating effect Effects 0.000 claims abstract description 10
- 239000000126 substance Substances 0.000 claims description 45
- 238000004334 fluoridation Methods 0.000 claims description 21
- 239000000853 adhesive Substances 0.000 claims description 20
- 230000001070 adhesive effect Effects 0.000 claims description 20
- 239000011737 fluorine Substances 0.000 claims description 17
- 230000001681 protective effect Effects 0.000 claims description 13
- 125000004430 oxygen atom Chemical group O* 0.000 claims description 12
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 claims description 7
- 239000011368 organic material Substances 0.000 claims description 6
- 238000009489 vacuum treatment Methods 0.000 claims 1
- 238000005530 etching Methods 0.000 abstract description 33
- 239000005416 organic matter Substances 0.000 abstract 3
- 239000010408 film Substances 0.000 description 11
- 239000010453 quartz Substances 0.000 description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 9
- 239000000463 material Substances 0.000 description 7
- 238000001020 plasma etching Methods 0.000 description 6
- 239000004642 Polyimide Substances 0.000 description 4
- 238000001312 dry etching Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 229920001721 polyimide Polymers 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- 239000010409 thin film Substances 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- -1 for example Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 239000002861 polymer material Substances 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000004380 ashing Methods 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004993 emission spectroscopy Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005281 excited state Effects 0.000 description 1
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/302—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to change their surface-physical characteristics or shape, e.g. etching, polishing, cutting
- H01L21/306—Chemical or electrical treatment, e.g. electrolytic etching
- H01L21/3065—Plasma etching; Reactive-ion etching
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
Definitions
- the present invention relates to a vacuum processing method and apparatus for processing an object to be processed by oxygen radicals inside a processing chamber formed in a vacuum vessel.
- a vacuum processing method and apparatus have been used as a method and apparatus for performing an etching process, an asshing process, and the like on a semiconductor wafer substrate, a liquid crystal display glass substrate, and the like (hereinafter, collectively referred to as an “object to be processed”). It is used.
- This vacuum processing method and apparatus are a method and an apparatus for carrying an object to be processed into a processing chamber formed inside a vacuum vessel and processing the object under vacuum.
- a process gas is activated in a plasma generation chamber separated from a processing chamber to generate radicals, and the radicals are introduced into the processing chamber to form a surface of an object to be processed.
- CDE chemical dry etching
- a process gas supplied into a processing chamber is turned into plasma using a high-frequency voltage, and plasma formed inside the processing chamber is used.
- RIE reactive ion etching
- microwave plasma etching method and apparatus for applying microwaves to a process gas supplied into a processing chamber to generate microwave-excited plasma and performing etching using the plasma.
- an electrostatic chuck device 2 is provided on the mounting surface 3a of the mounting table 3 for the object to be processed, which is provided inside the processing chamber, in order to fix the object to be processed to the mounting table 3.
- the electrostatic chuck device 28 is provided with an electrode 29 on a sheet surface and an electrode sheet 30 sandwiching and covering the electrode 29 from both sides.
- the electrode sheet 30 is formed of a heat-resistant polymer material that is an organic substance, for example, polyimide.
- the lower electrode sheet 30 of the electrostatic chuck device 28 is bonded to the mounting surface 3 a of the mounting table 3 with an organic adhesive 32 as described above. Since both 2 are made of an organic substance, the electrode sheet 30 and the organic adhesive 3 are exposed to the inside of the processing chamber by oxygen radicals used for processing the object to be processed. 2 is etched.
- the organic substance exposed inside the processing chamber is etched by oxygen radicals used when processing the processing object, and thus the components constituting the vacuum processing apparatus, for example, the electrostatic chuck apparatus.
- the components constituting the vacuum processing apparatus for example, the electrostatic chuck apparatus.
- vacuum processing equipment that uses oxygen radicals should avoid the use of organic substances. At present, it is inevitable to use the Internet.
- an object of the present invention is to provide a vacuum processing method and apparatus capable of preventing etching of an organic substance exposed inside a processing chamber even when processing an object to be processed by oxygen radicals. It is in. Disclosure of the invention
- a vacuum processing method is a vacuum processing method for processing an object to be processed by oxygen radicals inside a processing chamber formed in a vacuum vessel of a vacuum processing apparatus, wherein the object to be processed is loaded into the processing chamber. Then, using the vacuum processing apparatus, a fluorine processing gas containing at least fluorine atoms is activated to generate fluorine radicals, and the surface of the organic substance exposed inside the processing chamber is exposed to the fluorine radicals.
- a step of subjecting the object to be processed to the treatment chamber after the step of fluoridation a step of activating a process gas containing at least oxygen atoms to generate oxygen radicals, Treating the object with oxygen radicals.
- radical refers to an atom or molecule in an excited state that is chemically highly active. This "radical” is also called “active species”.
- the vacuum processing apparatus further includes a mounting table provided inside the processing chamber for mounting the object to be processed, and a mounting table to fix the object to the mounting table.
- An electrostatic chuck device provided on a surface of the electrode, wherein the electrostatic chuck device includes: an electrode; and an electrode sheet covering the electrode. And an organic adhesive used for bonding the electrostatic chuck device to the surface of the mounting table.
- the vacuum processing apparatus further includes a mounting table provided inside the processing chamber for mounting the object to be processed, and a mounting table to fix the object to the mounting table.
- An electrostatic chuck device provided on the surface of a, a fluororesin protective sheet provided so as to cover the electrostatic chuck device to protect the electrostatic chuck device; and
- the substance is an organic adhesive used for bonding the protective sheet.
- the fluorination treatment gas is a mixed gas of gas and 0 2 gas containing at least a fluorine atom.
- the gas containing at least the fluorine atom is a gas containing at least one or more of CF 4 , C 2 F 6 , C 3 F 8 , NF 3 , and SF 6 .
- the flow ratio of the 0 2 gas in the fluorination treatment gas is 4 0% or less.
- the process gas is a gas containing at least 2 gases.
- the process gas and the gas for fusid processing are each provided in a plasma generation chamber separated from the processing chamber.
- the fluorine radicals or the oxygen radicals are introduced into the processing chamber.
- the step of treating the object to be treated is a step of continuously treating a plurality of the objects to be treated, and the step of performing the fluorination treatment again after the step of treating the object to be treated. Repeatedly.
- the surface of the organic substance exposed inside the processing chamber is fluorinated with fluorine radicals, and then the object is processed with oxygen radical.
- the fluorinated surface of the organic substance functions as a protective film, thereby preventing the etching of the organic substance by oxygen radicals.
- a vacuum processing apparatus includes: a vacuum container capable of evacuating the inside; a processing chamber formed inside the vacuum container; and a fluorine processing gas containing at least fluorine atoms, and generating fluorine radicals.
- Generating means having a function of activating the process gas containing at least oxygen atoms and generating oxygen radicals, and supplying the fluoridation gas or the process gas to the radical generating means.
- a mounting table provided inside the processing chamber for mounting the object to be processed, and a surface of an organic substance exposed inside the processing chamber. After the fluorination treatment with the fluorine radical, the object is placed on the mounting table in the treatment chamber, and the object is treated with the oxygen radical.
- the vacuum processing apparatus includes: a vacuum container capable of evacuating the inside; a processing chamber formed inside the vacuum container; and a radical generation for activating a process gas containing at least oxygen atoms to generate oxygen radicals.
- Means a gas supply means for supplying the process gas to the radial generating means, a mounting table provided inside the processing chamber for mounting the processing object, and An electrostatic chuck device provided on the surface of the mounting table for fixing an object to the mounting table, and fluorine provided so as to cover the electrostatic chuck device for protecting the electrostatic chuck device.
- a protection sheet made of resin made of resin.
- the surface of the organic substance exposed inside the processing chamber is a fluorine radical generated by activating a fluorinating gas containing at least a fluorine atom using the radical generating means. Has been fluorinated.
- the fluorination treatment gas is a mixed gas of gas and 0 2 gas containing at least a fluorine atom.
- the gas containing at least the fluorine atom is a gas containing at least one or more of CF 4 , C 2 F 6 , C 3 F 8 , NF 3 , and SF 6 .
- the flow ratio of the 0 2 gas in the fluorination treatment gas is 4 0% or less.
- the process gas, Ru Gasudea also includes a less 0 2 gas.
- the radical generating means includes a plasma generating chamber separated from the processing chamber, and the radical generated in the plasma generating chamber is introduced into the processing chamber.
- the surface of the organic substance exposed inside the processing chamber is fluorinated by fluorine radicals, and then the object is processed by oxygen radical.
- the fluorinated surface of the organic substance functions as a protective film, thereby preventing the etching of the organic substance by oxygen radicals.
- the vacuum processing apparatus of the present invention since a protective sheet made of a fluororesin is provided so as to cover the electrostatic chuck device in order to protect the electrostatic chuck device, the electrostatic sheet due to oxygen radicals is provided by the protective sheet. It is possible to prevent the etching of the chuck device.
- FIG. 1 is a longitudinal sectional view showing a schematic configuration of a chemical dry etching apparatus (CDE apparatus) which is a vacuum processing apparatus according to one embodiment of the present invention.
- CDE apparatus chemical dry etching apparatus
- FIG. 2 is an enlarged longitudinal sectional view showing a part of a mounting table of the vacuum processing apparatus shown in FIG.
- Figure 3 shows the results of a comparative experiment showing the protective effect of fluorination treatment on organic substances.
- FIG. 4 is a graph showing the results obtained by analyzing the etching rate and the radical generation ratio when an organic substance is etched by a mixed gas of CF 4 and O 2 by emission spectrometry. 5, using the CDE system shown in FIG. 1, when treated fluoride film made of a material of the organic system by a gas mixture of CF and 0 2, the organic material for the 0 2 flow ratio It is the graph which showed the fluoride rate.
- FIG. 6 is an enlarged longitudinal sectional view showing a part of a mounting table of a conventional vacuum processing apparatus.
- FIG. 1 shows, as an example of a vacuum processing apparatus for performing a vacuum processing method according to the present embodiment, a discharge separation type chemical dry etching apparatus (hereinafter, referred to as a “CDE apparatus”) belonging to a so-called downflow type. Is shown.
- CDE apparatus discharge separation type chemical dry etching apparatus
- reference numeral 1 denotes a vacuum vessel, and a processing chamber 2 is formed inside the vacuum vessel 1.
- the processing chamber 2 is provided with a mounting table 3 inside the processing chamber 2, and the workpiece S is mounted on the mounting table 3.
- the mounting table 3 is provided with a temperature control mechanism (not shown), and the temperature of the workpiece S can be controlled by the temperature control mechanism.
- An exhaust port 5 is formed in the bottom plate 4 of the vacuum vessel 1, and an exhaust pipe 6 having one end connected to a vacuum pump (not shown) is attached to the exhaust port 5.
- a gas inlet 8 is formed in the ceiling 7 of the vacuum vessel 1, and a gas inlet 9 made of fluororesin is attached to the gas inlet 8.
- One end of a quartz tube 10 is connected to the gas introducing tube 9 by force.
- a sealing member 11 is attached to the other end of the quartz tube 10.
- the channel has nineteen forces.
- One end of a gas transport pipe 18 is connected to the sealing member 11, and the other end of the gas transport pipe 18 is branched into a pipe 20 and a pipe 21.
- a first gas cylinder 23 having a first flow control valve 22 and a second gas cylinder 25 having a second flow control valve 24 are connected to the pipe 20 and the pipe 21, respectively. Have been.
- the first gas cylinder 23 and the second gas cylinder 25 constitute gas supply means 26.
- the gas filled in the first gas cylinder 23 is a gas containing at least a fluorine atom, and is preferably at least one of CF 4 , C 2 FC 3 F 8 , NF 3 , and SF 6 It is a gas containing one or more types.
- radical generating means having a microwave waveguide 12, that is, a plasma generator 13 is provided so as to surround the quartz tube 10.
- a plasma generation chamber 14 is formed inside a quartz tube 10 surrounded by 3.
- the microwave generator 12 is connected to the microwave waveguide 12.
- a shower nozzle 16 is provided so as to form a gas storage chamber 15 above the processing chamber 2.
- the shower nozzle 16 has a large number of gas outlets 17.
- FIG. 2 is an enlarged longitudinal sectional view showing a part of the mounting table 3 of the CDE apparatus shown in FIG.
- the mounting surface 3a of the mounting table 3 is provided with an electrostatic chuck device 28 for fixing the workpiece S by electrostatic attraction.
- the electrostatic chuck device 28 includes a sheet-like electrode 29 made of a conductive material such as copper, and an electrode sheet 30 sandwiching and covering the electrode 29 from both sides. I have.
- the electrode sheet 30 is formed of a heat-resistant polymer material which is an organic substance, for example, polyimide.
- the lower electrode sheet 30 is adhered to the mounting surface 3 a of the mounting table 3 by an organic adhesive 32.
- the surface of the electrostatic chuck device 28 is covered with a protective sheet 31, and the protective sheet 31 is preferably formed of a fluororesin.
- the protective sheet 31 is made up of an organic adhesive 3 2, which is an organic substance, and the surface of the upper electrode sheet 30 of the electrostatic chuck device 28 and the periphery of the mounting surface 3 a of the mounting table 3. This organic adhesive 3 2 is at its end 3 3 Force treatment chamber 2 ( Figure
- the exposed end portions 33 of the organic adhesive 32 will be etched during the processing of the processing object S using oxygen radicals.
- the end 33 of the organic adhesive 32 for example, there is a portion of the inner wall surface of the vacuum vessel 1 that is strongly exposed to organic material.
- the inside of the vacuum vessel 1 is evacuated through the exhaust pipe 6 and the exhaust port 5 by a vacuum pump. To a vacuum (reduced pressure).
- a gas containing at least a fluorine atom is introduced from one end of the quartz tube 10 from the first gas cylinder 23 through the pipe 20, the gas transport tube 18, and the gas passage 19 of the sealing member 11. I do.
- a gas containing at least oxygen atoms is also supplied from the second gas cylinder 25.
- the first flow control valve 22 and the second flow control valve 24 are adjusted so that the flow rate and the flow rate ratio of the gas containing at least a fluorine atom and the gas containing at least an oxygen atom can be adjusted for the organic substance.
- microwaves are applied from the microwave generator 27 to the plasma generation chamber 14 via the microwave waveguide 12 of the plasma generator 13.
- a glow discharge force is generated inside the plasma generation chamber 14 and plasma?
- the mixture for fluoridation is generated Fluorine in the joint gas is excited to generate fluorine radicals.
- a fluoridation gas containing fluorine radicals is supplied into the gas storage chamber 15 from the gas inlet 8 through the quartz tube 10 and the gas inlet tube 9.
- the fluoridation gas supplied into the gas storage chamber 15 is rapidly and uniformly injected into the processing chamber 2 from the gas outlet 17 due to the pressure difference between the gas storage chamber 15 and the processing chamber 2. Is done.
- the fluorine radicals supplied to the inside of the processing chamber 2 reach the surface of the organic substance exposed inside the processing chamber 2, for example, the end 33 of the organic adhesive 32.
- the surface of the end 33 is fluorinated.
- the fluoridation gas that has reacted with the end 33 of the organic adhesive 32 is exhausted by a vacuum pump through the exhaust port 5 and the exhaust pipe 6.
- the above-described fluoridation treatment is performed for a time necessary to form a fluorinated film having a desired thickness, and thereafter, the supply of gas from the first gas cylinder 23 and the second gas cylinder 25 is performed. Is temporarily stopped, and the workpiece S is carried into the processing chamber 2. Next, a gas containing at least oxygen atoms is supplied to the quartz tube 10 through the gas passage 19 of the pipe 21, the gas transport pipe 18, and the sealing member 11. Introduce from one end. At this time, a gas containing at least a fluorine atom is also supplied from the first gas cylinder 23.
- the first flow rate control valve 22 and the second flow rate control valve 24 are adjusted so that the flow rate and the flow rate ratio of the gas containing at least a fluorine atom and the gas containing at least an oxygen atom are determined by the etching of the processing target S.
- microwaves are applied from the microwave generator 27 to the plasma generation chamber 14 via the microwave waveguide 12 of the plasma generator 13.
- a glow discharge is generated inside the plasma generation chamber 14 to generate plasma P, and oxygen in a process gas comprising at least a gas containing oxygen atoms and a gas containing at least fluorine atoms is excited to generate oxygen radicals.
- oxygen radicals Will be ⁇ .
- the process gas containing oxygen radicals is supplied through the quartz tube 10 and the gas introduction tube 9
- the gas is supplied from the inlet 8 into the gas storage room 15.
- the process gas containing oxygen radicals supplied into the gas storage chamber 15 is vigorously and uniformly distributed from the gas outlet 17 into the processing chamber 2 due to the pressure difference between the gas storage chamber 15 and the processing chamber 2. Injected to. Then, the oxygen radicals supplied into the processing chamber 2 reach the surface of the processing target S, react with the thin film on the surface of the processing target S, and etch the thin film.
- the process gas that has reacted with the thin film on the surface of the workpiece S is exhausted by the vacuum pump through the exhaust port 5 and the exhaust pipe 6.
- the oxygen radicals supplied into the processing chamber 2 also reach the organic substance exposed inside the processing chamber 2, for example, the surface of the end 33 of the organic adhesive 32.
- the surface of the end 33 of the organic adhesive 32 has already been fluorinated, etching of the organic adhesive 32 by oxygen radicals is significantly suppressed, and the etching amount Is extremely small.
- the present embodiment can be applied to asshing processing of an object to be processed, which has been described with reference to the example of the etching processing of the object to be processed.
- the fluoridation treatment gas is preferably a gas containing at least one or more of CF 4 , C 2 F 6 , C 3 F 8 , NF 3 , and SF 6 .
- the process gas is a gas preferably containing at least 0 2 gas.
- the process gas is a gas preferably containing at least 0 2 gas.
- the surface of the polyimide electrode sheet 30 and the exposed portion of the organic adhesive 32 are The fluorination treatment is performed in the same manner as the above fluorination treatment method.
- Fig. 3 shows the results of a comparative experiment conducted using the CDE device shown in Fig. 1 and verifying the effect of fluorination treatment on the protection of organic substances.
- a wafer having a carbon film formed on the surface as an organic substance was used.
- the target was an organic material on the surface of the ueno or on the surface, but the organic material exposed on the inner wall surface of the vacuum vessel 1, the mounting table 3, etc., for example, an organic adhesive or polyimide This also applies to
- the upper column shows the result when the sample was subjected to a 60-minute etching treatment with oxygen radicals without performing the fluoridation treatment.
- the etching amount of the carbon film when the sample was not preliminarily fluorinated was 3.9.
- the lower column of FIG. 3 shows the result when the sample was first subjected to a fluoridation treatment for one minute, and then the etching treatment was performed under the same conditions as above.
- the sample was etched under the same conditions as in the upper column of FIG.
- the etching amount of the carbon film when the fluoridation treatment is performed in advance is 0.5 m, and the etching by oxygen radicals is significantly suppressed as compared with the case where the fluoridation treatment is not performed. I knew it was.
- the flow ratio of 0 2 gas fluoride treatment gas is preferably 4 or less 0%.
- the surface of the organic substance exposed inside the processing chamber 2 is fluorinated with fluorine radicals, and then is oxidized with oxygen radicals.
- the workpiece S is to be etched. Therefore, the etching of the organic substance by the oxygen radical can be prevented.
- a fluororesin protection sheet 31 is provided so as to cover the electrostatic chuck device 28, so that this protection sheet 31 provides oxygen radicals. This prevents the electrode sheet 30 of the electrostatic chuck device 28 from being etched.
- the fluoridation of the organic substance can be performed by the vacuum processing apparatus itself, a separate apparatus for the fluoridation of the organic substance is not required. It is not necessary to remove the member from the vacuum processing device
- the vacuum processing method and apparatus to which the present invention can be applied are not limited to the CDE method and apparatus described above, but may be applied to various vacuum processing methods and apparatuses for processing an object to be processed under vacuum. it can.
- the present invention can be applied to various dry etching methods and apparatuses such as a reactive ion etching (RIE) method and apparatus, microwave plasma etching methods and apparatuses, or asshing methods and apparatuses.
- RIE reactive ion etching
- the present invention can be used for an etching process or an ashing process for a semiconductor wafer substrate, a liquid crystal display glass substrate, or the like.
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- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
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Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP98917717A EP0980092B1 (en) | 1997-04-28 | 1998-04-28 | Vacuum processing method |
DE69826120T DE69826120T2 (de) | 1997-04-28 | 1998-04-28 | Vakuumbehandlungsverfahren |
JP54682898A JP3394263B2 (ja) | 1997-04-28 | 1998-04-28 | 真空処理方法及び装置 |
US09/429,558 US6465363B1 (en) | 1997-04-28 | 1999-10-28 | Vacuum processing method and vacuum processing apparatus |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9/111319 | 1997-04-28 | ||
JP11131997 | 1997-04-28 |
Related Child Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US09/429,558 A-371-Of-International US6465363B1 (en) | 1997-04-28 | 1999-10-28 | Vacuum processing method and vacuum processing apparatus |
US09/429,558 Continuation US6465363B1 (en) | 1997-04-28 | 1999-10-28 | Vacuum processing method and vacuum processing apparatus |
US10/152,001 Division US20020134753A1 (en) | 1997-04-28 | 2002-05-22 | Vacuum processing method and vacuum processing apparatus |
Publications (1)
Publication Number | Publication Date |
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WO1998049720A1 true WO1998049720A1 (fr) | 1998-11-05 |
Family
ID=14558215
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP1998/001949 WO1998049720A1 (fr) | 1997-04-28 | 1998-04-28 | Procede et dispositif de traitement sous vide |
Country Status (8)
Country | Link |
---|---|
US (2) | US6465363B1 (ja) |
EP (1) | EP0980092B1 (ja) |
JP (1) | JP3394263B2 (ja) |
KR (1) | KR100319662B1 (ja) |
CN (1) | CN1149646C (ja) |
DE (1) | DE69826120T2 (ja) |
TW (1) | TW411491B (ja) |
WO (1) | WO1998049720A1 (ja) |
Cited By (1)
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JP2008177479A (ja) * | 2007-01-22 | 2008-07-31 | Tokyo Electron Ltd | プラズマ処理装置の部品及びその製造方法 |
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JP2003233080A (ja) | 2002-02-05 | 2003-08-22 | Lg Phillips Lcd Co Ltd | 合着装置及びこれを用いた液晶表示装置の製造方法 |
US20070252347A1 (en) * | 2005-12-28 | 2007-11-01 | Trig Cycling Ltd. | Quick release mechanism with integrated/attached multi-tool |
JP4912907B2 (ja) * | 2007-02-06 | 2012-04-11 | 東京エレクトロン株式会社 | プラズマエッチング方法及びプラズマエッチング装置 |
DE102007060515A1 (de) | 2007-12-13 | 2009-06-18 | Christof-Herbert Diener | Oberflächenbehandlungsverfahren |
US8785331B2 (en) * | 2012-05-25 | 2014-07-22 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Method for replacing chlorine atoms on a film layer |
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JPS5582782A (en) * | 1978-12-18 | 1980-06-21 | Fujitsu Ltd | Dry etching method |
JPS5779620A (en) * | 1980-11-05 | 1982-05-18 | Mitsubishi Electric Corp | Plasma etching process |
JPH07106300A (ja) * | 1993-09-29 | 1995-04-21 | Shibaura Eng Works Co Ltd | 静電チャック装置 |
JPH0982787A (ja) * | 1995-09-19 | 1997-03-28 | Toshiba Corp | プラズマ処理装置およびプラズマ処理方法 |
JPH09246242A (ja) * | 1996-03-07 | 1997-09-19 | Nec Corp | 半導体装置及びその製造方法 |
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JPS59150427A (ja) | 1983-02-15 | 1984-08-28 | Toshiba Corp | 半導体装置およびその製造方法 |
JPS59173273A (ja) | 1983-03-18 | 1984-10-01 | Matsushita Electric Ind Co Ltd | 反応性イオンエツチング装置 |
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JPH05114592A (ja) * | 1991-10-22 | 1993-05-07 | Hitachi Chem Co Ltd | 有機膜のエツチング方法および半導体装置の製造法 |
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JPH0864581A (ja) | 1994-08-25 | 1996-03-08 | Sumitomo Metal Ind Ltd | プラズマアッシング装置 |
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1998
- 1998-04-28 DE DE69826120T patent/DE69826120T2/de not_active Expired - Fee Related
- 1998-04-28 EP EP98917717A patent/EP0980092B1/en not_active Expired - Lifetime
- 1998-04-28 CN CNB988065010A patent/CN1149646C/zh not_active Expired - Fee Related
- 1998-04-28 KR KR1019997009949A patent/KR100319662B1/ko not_active IP Right Cessation
- 1998-04-28 TW TW087106552A patent/TW411491B/zh not_active IP Right Cessation
- 1998-04-28 JP JP54682898A patent/JP3394263B2/ja not_active Expired - Fee Related
- 1998-04-28 WO PCT/JP1998/001949 patent/WO1998049720A1/ja active IP Right Grant
-
1999
- 1999-10-28 US US09/429,558 patent/US6465363B1/en not_active Expired - Fee Related
-
2002
- 2002-05-22 US US10/152,001 patent/US20020134753A1/en not_active Abandoned
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JPS5582782A (en) * | 1978-12-18 | 1980-06-21 | Fujitsu Ltd | Dry etching method |
JPS5779620A (en) * | 1980-11-05 | 1982-05-18 | Mitsubishi Electric Corp | Plasma etching process |
JPH07106300A (ja) * | 1993-09-29 | 1995-04-21 | Shibaura Eng Works Co Ltd | 静電チャック装置 |
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JPH09246242A (ja) * | 1996-03-07 | 1997-09-19 | Nec Corp | 半導体装置及びその製造方法 |
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JP2008177479A (ja) * | 2007-01-22 | 2008-07-31 | Tokyo Electron Ltd | プラズマ処理装置の部品及びその製造方法 |
Also Published As
Publication number | Publication date |
---|---|
TW411491B (en) | 2000-11-11 |
EP0980092A1 (en) | 2000-02-16 |
KR100319662B1 (ko) | 2002-01-16 |
US20020134753A1 (en) | 2002-09-26 |
US6465363B1 (en) | 2002-10-15 |
KR20010020335A (ko) | 2001-03-15 |
CN1149646C (zh) | 2004-05-12 |
EP0980092A4 (en) | 2000-03-29 |
DE69826120T2 (de) | 2005-09-22 |
EP0980092B1 (en) | 2004-09-08 |
JP3394263B2 (ja) | 2003-04-07 |
DE69826120D1 (de) | 2004-10-14 |
CN1261460A (zh) | 2000-07-26 |
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