WO2000034546A1 - Acier inoxydable revetu d'un film au fluorure passif et equipement produit au moyen de cet acier - Google Patents
Acier inoxydable revetu d'un film au fluorure passif et equipement produit au moyen de cet acier Download PDFInfo
- Publication number
- WO2000034546A1 WO2000034546A1 PCT/JP1998/005491 JP9805491W WO0034546A1 WO 2000034546 A1 WO2000034546 A1 WO 2000034546A1 JP 9805491 W JP9805491 W JP 9805491W WO 0034546 A1 WO0034546 A1 WO 0034546A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- stainless steel
- gas
- passivation film
- fluorinated passivation
- film
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/80—After-treatment
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
- C23C8/08—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases only one element being applied
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31678—Of metal
Definitions
- the present invention relates to a stainless steel having a fluorinated passivation film formed thereon and an apparatus using the same.
- a wide variety of specialty gases are used in semiconductor manufacturing processes, most of which are themselves corrosive, or react with atmospheric moisture to form corrosive substances.
- containers handling these special gases, gas pipes, valves essential for gas supply, etc. are made of stainless steel and have the disadvantage that they are easily corroded by the special gases.
- the degree of integration of semiconductor devices is improving year by year, and the dimensions of unit elements are getting smaller year by year as the degree of integration is improved.
- the dimensions of unit elements become smaller, the dimensions fabricated on a silicon substrate during the semiconductor manufacturing process become extremely small, and the required dimensions for conventional g-line and i-line exposure systems I can't draw anymore.
- the laser chamber of the excimer laser exposure apparatus is filled with diluted fluorine gas.
- Figure 5 shows a schematic diagram of the laser chamber.
- the laser chamber 11 includes two housing members 13 and 14 made of stainless steel, and the housing members 13 and 14 are sealed by a 0-ring 15.
- a cathode electrode 18 is fixed to the housing member 13 via an insulator 16 and a force electrode support member 17.
- the anode electrode 19 is fixed to the housing member 13 via the anode electrode support member 20.
- Reference numeral 21 denotes a connector for connecting the force source electrode 18 and a pulse oscillator (not shown).
- Reference numeral 22 denotes a sealing member such as an O-ring.
- a blower for circulating gas Inside the laser chamber 11, a blower for circulating gas, a heat exchanger, and other devices (not shown) are provided.
- 27 is a gas pipe for a fluorine gas supply line, which is made of stainless steel.
- the semiconductor production line cannot be operated during the pre-reaction period. Further, even with a supply line that has been reacted in advance, the reaction between fluorine and the inner surface of the supply line further progresses during use, and it is difficult to use diluted fluorine gas having a stable concentration and the like.
- the present inventors have conducted research on the corrosiveness and reactivity of the metal surface, and as a result, the fluorine was positively acted on the stainless steel surface at a temperature sufficient for fluorination, and After forming a film containing fluoride as a main component, a heat treatment of this film in an inert gas atmosphere can form a fluorinated passivation film having good corrosion resistance to corrosive gases, especially fluorine gas. And an application based on this has already been filed (Japanese Patent Application Laid-Open No. Hei 2-263972, Japanese Patent Application Laid-open No. Heisei 3-215656, Japanese Patent Application Laid-Open No. Hei 5-3331) Gazette).
- the thickness of each of the fluorinated passivation films of the above-mentioned applications is 500 A or more.
- the thickness of the fluorinated passivation film is large, first, when welding gas pipes and the like, metal deposits are generated, and the generated metal deposits stay in the pipes and become particles. That is to say. Second, if a thick fluorinated passivation film is formed on the joint seal surface and the valve It cannot be used.
- An object of the present invention is to provide a stainless steel having a fluorinated passivation film which is easy to perform and does not generate particles even when welding is performed, and an apparatus using the same.
- An object of the present invention is to provide a stainless steel having a fluorinated passivation film that does not cause leakage even when a fluorinated passivation film is formed on a joint seal surface or a valve sheet surface, and an apparatus using the same. With the goal. Disclosure of the invention
- a fluorinated passivation film containing metal fluoride as a main component is formed with a thickness of 19 OA or less on at least a part of the surface. It is characterized by the following.
- stainless steel austenitic stainless steel, ferrite stainless steel or other stainless steel can be used.
- austenitic stainless steel ferrite stainless steel or other stainless steel.
- SUS316 or SSUS316L is preferably used.
- a fluorinated passivation film is formed.
- the lower limit is preferably 5 A. If it is less than this, it is difficult to exist as a film.
- the formation of the fluorinated passivation film is preferably performed, for example, as follows.
- the stainless steel surface is mirror-finished by electrolytic polishing or the like, it is baked in a high-purity inert gas (for example, nitrogen, argon, helium, etc.) Removes moisture from steel surface.
- a high-purity inert gas for example, nitrogen, argon, helium, etc.
- the concentration of impurities such as moisture is preferably 50 ppb or less, more preferably 20 ppb or less, and even more preferably 15 ppb or less.
- a film made of metal fluoride is formed on at least a part or the entire surface of the stainless steel (fluorination).
- the gas for fluorination 100% fluorine gas or a gas obtained by diluting fluorine gas with an inert gas is used.
- the gas at the time of fluorination it is preferable to use a gas having an impurity concentration of 50 ppb or less, more preferably a gas of 20 ppb or less, and more preferably a gas of 15 ppb or less.
- the fluorination temperature is preferably at least 50 ° C, more preferably from 100 to 200, and most preferably from 20 to 170.
- the fluorination time is preferably 10 minutes or more, more preferably 30 minutes to 5 hours.
- the thickness of the fluorinated passivation film can be controlled by appropriately changing the temperature and time during fluorination and the concentration of fluorine in the inert gas.
- the heat treatment after the fluorination is preferably at least 50 ° C, more preferably at 100 to 400 ° C.
- the processing time is preferably 10 minutes or more, more preferably 30 minutes to 15 hours.
- Figure 1 is a drawing showing an experimental system for measuring particles coming out of the pipe after welding the pipe that has undergone fluoridation passivation treatment.
- Figure 2 is a graph showing the relationship between the thickness of the fluorinated passivation film and the generation of particles during welding.
- Figure 3 is a drawing showing an experimental system that measures leaks from the joint seal surface that has been subjected to fluoridation passivation.
- Figure 4 is a drawing showing an experimental system for measuring the pressure change of the fluorine gas sealed inside the filter.
- FIG. 5 is a sectional view of an excimer laser chamber.
- FIG. 6 is a cross-sectional view of the seat valve.
- FIG. 7 is a cross-sectional view of the filter.
- the inner surface was mirror-polished by electropolishing.
- a / 4 inch diameter SU S316 L stainless steel pipe was subjected to a fluoridation passivation treatment under the conditions shown in Table II.
- the fluoridation passivation is performed according to the following procedure.
- Samples 1 and 2 shown in Table 1 were made of 10 stainless steel gas pipes 101 (FIG. 1). Using 10 gas pipes 101, welding was performed at nine welding points at a welding rotation speed of 30 rpm. After welding, one end was connected to a particle measuring instrument 103, the other end was used as a gas inlet 104, and argon gas was introduced from the gas inlet 104. 8. Argon gas is introduced from inside the gas pipe 101. The number of ticks was measured using HI GHP S SURE GAS PROBE 103 from PAR TICLE ME SUREMENT SYSTE SINC. The flow rate of the introduced gas of argon gas was 0.1 cf min, and the measured particle size was 0.1 m or more.
- Example 1 The same test as in Example 1 was performed by changing the fluorination temperature and time to change the thickness of the fluoride film from 5 O A to 1000 A.
- the joints 201 and 204 were brought into contact with each other via the gasket 203 and tightened using the nut 202 and the male nut 205.
- a leak detector 206 was connected to one end of the gasket 203 to measure leakage from the surface seal.
- the leakage was below the lower limit of detection for the joints with a thickness of the fluorinated passivation film of 190 A or less. On the other hand, a joint having a thickness of about 100 OA leaked.
- Leak 1 detection limit 5. 62 x 1 0- 11 ( A 'c cZs ec)
- the valve was assembled by incorporating the diaphragm 400 into the valve body 401, and a leak test was performed on the valve to measure the leak from the seat. A helium leak detector was used for leak measurement.
- the filter 500 is composed of the housing 502 and the filter membrane 501 fixed to the housing 502 by welding.
- a fluorinated passivation film having a thickness of 190 A was formed on the entire surface of the filter membrane 501 and the inner surface of the housing 502 under the same conditions as in Example 1.
- a filter with no fluorinated passivation film formed on the inner surface was prepared, and the system shown in Fig. 4 was constructed. After enclosing a Z99% neon mixed gas, the mixture was left for a certain period of time, and the pressure inside the filter 303 was measured with a pressure gauge 302.
- piping when a thin fluorinated passivation film is applied to a fluorine-based gas supply line, piping can be easily constructed and gas can be supplied stably.
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Arc Welding In General (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Chemical Vapour Deposition (AREA)
- Chemical Treatment Of Metals (AREA)
- Drying Of Semiconductors (AREA)
Description
Claims
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP98957181A EP1146135B1 (en) | 1998-12-04 | 1998-12-04 | Stainless steel having passive fluoride film formed thereon and equipment manufactured therefrom |
JP2000586977A JP4319356B2 (ja) | 1998-12-04 | 1998-12-04 | フッ化不動態膜が形成されたステンレス鋼及びそれを用いた装置 |
KR1020017006850A KR100620857B1 (ko) | 1998-12-04 | 1998-12-04 | 불화부동태막이 형성된 스테인레스 강철 및 그것을 이용한장치 |
PCT/JP1998/005491 WO2000034546A1 (fr) | 1998-12-04 | 1998-12-04 | Acier inoxydable revetu d'un film au fluorure passif et equipement produit au moyen de cet acier |
DE69841643T DE69841643D1 (de) | 1998-12-04 | 1998-12-04 | Rostfreier stahl mit darauf geformten passivem fluoridfilm und daraus hergestellter gegenstand |
US09/857,117 US6699603B1 (en) | 1998-12-04 | 1998-12-04 | Stainless steel having passive fluoride film formed thereon and equipment manufactured therefrom |
TW087121101A TW476805B (en) | 1998-12-04 | 1998-12-17 | Stainless steel having passive fluoride film formed thereon and equipment manufactured therefrom |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP1998/005491 WO2000034546A1 (fr) | 1998-12-04 | 1998-12-04 | Acier inoxydable revetu d'un film au fluorure passif et equipement produit au moyen de cet acier |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2000034546A1 true WO2000034546A1 (fr) | 2000-06-15 |
Family
ID=14209549
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1998/005491 WO2000034546A1 (fr) | 1998-12-04 | 1998-12-04 | Acier inoxydable revetu d'un film au fluorure passif et equipement produit au moyen de cet acier |
Country Status (7)
Country | Link |
---|---|
US (1) | US6699603B1 (ja) |
EP (1) | EP1146135B1 (ja) |
JP (1) | JP4319356B2 (ja) |
KR (1) | KR100620857B1 (ja) |
DE (1) | DE69841643D1 (ja) |
TW (1) | TW476805B (ja) |
WO (1) | WO2000034546A1 (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006030999A1 (en) * | 2004-09-16 | 2006-03-23 | Bukwang Technology Co., Ltd. | Electroless plating method and plating film obtained by the electroless plating method |
JP2008169448A (ja) * | 2007-01-12 | 2008-07-24 | Stella Chemifa Corp | フッ化不動態膜を形成した炭素鋼又は特殊鋼及びその形成方法 |
WO2010044329A1 (ja) * | 2008-10-16 | 2010-04-22 | エア・ウォーター株式会社 | フッ化処理方法およびフッ化処理装置ならびにフッ化処理装置の使用方法 |
KR20200037330A (ko) | 2017-08-01 | 2020-04-08 | 샌트랄 글래스 컴퍼니 리미티드 | 충전이 끝난 용기의 제조 방법 및 충전이 끝난 용기 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2527491A4 (en) * | 2010-01-20 | 2014-08-20 | Jfe Steel Corp | STAINLESS STEEL FOR ELECTRIC CONTACT RESISTOR AND MANUFACTURING METHOD FOR ELECTRIC CONTACT RESISTOR |
US10982811B2 (en) | 2016-04-05 | 2021-04-20 | Kanto Denka Kogyo, Co., Ltd. | Material, storage container using the material, valve attached to the storage container, method of storing ClF and method of using ClF storage container |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02175855A (ja) * | 1988-07-20 | 1990-07-09 | Hashimoto Kasei Kogyo Kk | フッ化不働態膜が形成された金属材料並びにその金属材料を用いた装置 |
JPH03215656A (ja) * | 1990-01-19 | 1991-09-20 | Hashimoto Kasei Kogyo Kk | フッ化不働態膜が形成されたステンレス鋼、その製造方法並びにそのステンレスを用いた装置 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5009963A (en) * | 1988-07-20 | 1991-04-23 | Tadahiro Ohmi | Metal material with film passivated by fluorination and apparatus composed of the metal material |
JPH02298024A (ja) * | 1989-05-12 | 1990-12-10 | Tadahiro Omi | リアクティブイオンエッチング装置 |
JP3581900B2 (ja) * | 1994-10-28 | 2004-10-27 | 三菱アルミニウム株式会社 | フロロカーボン膜が形成された金属材料、その製造方法並びにその材料を用いた装置 |
US6215806B1 (en) * | 1996-03-07 | 2001-04-10 | Canon Kabushiki Kaisha | Excimer laser generator provided with a laser chamber with a fluoride passivated inner surface |
JP4125406B2 (ja) * | 1997-08-08 | 2008-07-30 | 忠弘 大見 | フッ化不働態処理が施された溶接部材の溶接方法および再フッ化不働態処理方法ならびに溶接部品 |
JP3215656B2 (ja) | 1997-09-01 | 2001-10-09 | 栖二 元島 | コイル状炭素繊維の製造方法及びその製造装置 |
-
1998
- 1998-12-04 KR KR1020017006850A patent/KR100620857B1/ko not_active IP Right Cessation
- 1998-12-04 JP JP2000586977A patent/JP4319356B2/ja not_active Expired - Fee Related
- 1998-12-04 EP EP98957181A patent/EP1146135B1/en not_active Expired - Lifetime
- 1998-12-04 DE DE69841643T patent/DE69841643D1/de not_active Expired - Lifetime
- 1998-12-04 US US09/857,117 patent/US6699603B1/en not_active Expired - Fee Related
- 1998-12-04 WO PCT/JP1998/005491 patent/WO2000034546A1/ja not_active Application Discontinuation
- 1998-12-17 TW TW087121101A patent/TW476805B/zh not_active IP Right Cessation
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02175855A (ja) * | 1988-07-20 | 1990-07-09 | Hashimoto Kasei Kogyo Kk | フッ化不働態膜が形成された金属材料並びにその金属材料を用いた装置 |
JPH03215656A (ja) * | 1990-01-19 | 1991-09-20 | Hashimoto Kasei Kogyo Kk | フッ化不働態膜が形成されたステンレス鋼、その製造方法並びにそのステンレスを用いた装置 |
Non-Patent Citations (1)
Title |
---|
See also references of EP1146135A4 * |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006030999A1 (en) * | 2004-09-16 | 2006-03-23 | Bukwang Technology Co., Ltd. | Electroless plating method and plating film obtained by the electroless plating method |
JP2008169448A (ja) * | 2007-01-12 | 2008-07-24 | Stella Chemifa Corp | フッ化不動態膜を形成した炭素鋼又は特殊鋼及びその形成方法 |
WO2010044329A1 (ja) * | 2008-10-16 | 2010-04-22 | エア・ウォーター株式会社 | フッ化処理方法およびフッ化処理装置ならびにフッ化処理装置の使用方法 |
US8758856B2 (en) | 2008-10-16 | 2014-06-24 | Air Water Inc. | Method of fluoridation and directions for use of a unit of fluoridation |
KR20200037330A (ko) | 2017-08-01 | 2020-04-08 | 샌트랄 글래스 컴퍼니 리미티드 | 충전이 끝난 용기의 제조 방법 및 충전이 끝난 용기 |
US11519557B2 (en) | 2017-08-01 | 2022-12-06 | Central Glass Company, Limited | Method for manufacturing filled container, and filled container |
Also Published As
Publication number | Publication date |
---|---|
EP1146135A1 (en) | 2001-10-17 |
KR100620857B1 (ko) | 2006-09-13 |
US6699603B1 (en) | 2004-03-02 |
TW476805B (en) | 2002-02-21 |
KR20010107997A (ko) | 2001-12-07 |
EP1146135B1 (en) | 2010-04-28 |
DE69841643D1 (de) | 2010-06-10 |
JP4319356B2 (ja) | 2009-08-26 |
EP1146135A4 (en) | 2006-10-18 |
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