JP2017025148A - 洗浄用水素水の製造方法及び製造装置 - Google Patents
洗浄用水素水の製造方法及び製造装置 Download PDFInfo
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 134
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 131
- 239000001257 hydrogen Substances 0.000 title claims abstract description 114
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 114
- 238000004140 cleaning Methods 0.000 title claims abstract description 88
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 30
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims abstract description 88
- 235000011114 ammonium hydroxide Nutrition 0.000 claims abstract description 88
- 229910021642 ultra pure water Inorganic materials 0.000 claims abstract description 81
- 239000012498 ultrapure water Substances 0.000 claims abstract description 81
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract description 73
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- 238000001514 detection method Methods 0.000 claims description 5
- 238000005303 weighing Methods 0.000 claims 1
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- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
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- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
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- 230000005587 bubbling Effects 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 1
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- 230000007774 longterm Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
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- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
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- 238000009423 ventilation Methods 0.000 description 1
- 239000002349 well water Substances 0.000 description 1
- 235000020681 well water Nutrition 0.000 description 1
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- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02041—Cleaning
- H01L21/02043—Cleaning before device manufacture, i.e. Begin-Of-Line process
- H01L21/02052—Wet cleaning only
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B01F23/20—Mixing gases with liquids
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- B01F23/232—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using flow-mixing means for introducing the gases, e.g. baffles
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- B01F25/313—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced in the centre of the conduit
- B01F25/3133—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced in the centre of the conduit characterised by the specific design of the injector
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- H01L21/67057—Apparatus for fluid treatment for cleaning followed by drying, rinsing, stripping, blasting or the like for wet cleaning or washing with the semiconductor substrates being dipped in baths or vessels
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- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/02—Non-contaminated water, e.g. for industrial water supply
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- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
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Abstract
【解決手段】計量タンクで計量された濃厚アンモニア水を希釈タンクに供給し、超純水で希釈して希釈アンモニア水を生成し、生成した希釈アンモニア水を、水素ガスを溶解させた超純水中に所定のアンモニア濃度となるように給液する洗浄用水素水の製造方法であって、前記計量タンクに超純水供給管を設けて、前記計量タンク内に生成するアンモニア由来の微粒子を、所定の運転期間ごとに超純水で洗浄除去する洗浄工程を有する洗浄用水素水の製造方法。
【選択図】図1
Description
図1は、本実施形態の洗浄用水素水の製造装置1を概略的に示す図である。洗浄用水素水の製造装置1は、半導体デバイス、液晶デバイス等の電子工業製品の製造工程で半導体基板等の洗浄に使用される、水素水にアンモニア水の添加された洗浄用水素水を製造する装置である。洗浄用水素水の製造装置1は、水素水生成部100と、アンモニア水添加部200とを備えている。
(実施例1)
図1に示すのと同様の装置を用いて、洗浄用の水素水を製造した製造された洗浄用の水素水は、枚葉式の洗浄装置において、半導体ウエハの洗浄に用いた。
実施例で用いた装置において、超純水供給管25を、計量タンク12に代えて、希釈タンク13の下部に接続して、希釈用の超純水を希釈タンク13内に供給した。計量タンク12の洗浄を行わない以外は実施例と同様の操作を行い、洗浄後のウエハ表面の微粒子数の測定を行った。測定した微粒子数を、洗浄開始直後のウエハ表面の微粒子数を1とした相対値で表1に示す。
比較例において約4か月後に、実施例1と同様にして計量タンク12の洗浄を行ったところ、ウエハ表面上に発生した微粒子数は洗浄初期と同等の数まで減少した。このことから、ウエハ表面の微粒子が、計量タンク12内に残留するアンモニア由来のものであると考えられる。
Claims (5)
- 計量タンクで計量された濃厚アンモニア水を希釈タンクに供給し、超純水で希釈して希釈アンモニア水を生成し、生成した希釈アンモニア水を、水素ガスを溶解させた超純水中に所定のアンモニア濃度となるように給液する洗浄用水素水の製造方法であって、
前記計量タンクに超純水供給管を設けて、前記計量タンク内に生成するアンモニア由来の微粒子を、所定の運転期間ごとに超純水で洗浄除去する洗浄工程を有することを特徴とする洗浄用水素水の製造方法。 - 超純水に水素ガスを溶解させて水素水を生成する水素水生成部と、
前記水素水をユースポイントに供給する水素水供給管と、
前記水素水供給管の前記水素水生成部の下流側に配置されたアンモニア水添加部とを備えた洗浄用水素水の製造装置において、
前記アンモニア水添加部は、濃厚アンモニア水を計量する計量タンクと、
前記計量タンクの下方に管路によって接続され、落差によって前記計量タンクから供給される濃厚アンモニア水を超純水で希釈する希釈タンクと、
前記希釈タンクの下方に管路によって接続され、落差によって前記希釈タンクから供給される希釈アンモニア水を貯留する供給タンクと、
前記計量タンクと前記希釈タンクを接続する管路及び前記希釈タンクと前記供給タンクを接続する管路のそれぞれに介装された開閉弁と、
前記供給タンク中の希釈アンモニア水を所定の濃度となるよう前記水素水供給管に供給する希釈アンモニア水供給装置を有し、
前記計量タンク内で生成するアンモニア由来の微粒子を前記超純水で洗浄する洗浄装置を備えることを特徴とする洗浄用水素水の製造装置。 - 前記計量タンク及び前記希釈タンクはそれぞれレベルセンサーを備え、
前記レベルセンサーの検出信号によって前記開閉弁の開閉を制御する制御装置を備えることを特徴とする請求項2記載の洗浄用水素水の製造装置。 - 前記アンモニア水添加部は、クリーンルーム内に設置されていることを特徴とする請求項2又は3記載の洗浄用水素水の製造装置。
- 前記計量タンクの上部には、外気中の浮遊微小粒子を捕捉するフィルタを介して前記クリーンルームに連通する通気管が接続されていることを特徴とする請求項4記載の洗浄用水素水の製造装置。
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JP2015142747A JP6154860B2 (ja) | 2015-07-17 | 2015-07-17 | 洗浄用水素水の製造方法及び製造装置 |
TW105120577A TWI646190B (zh) | 2015-07-17 | 2016-06-29 | 洗淨用氫水之製造方法及製造裝置 |
KR1020160089332A KR101913465B1 (ko) | 2015-07-17 | 2016-07-14 | 세정용 수소수의 제조방법 및 제조장치 |
US15/209,956 US10059911B2 (en) | 2015-07-17 | 2016-07-14 | Washing hydrogen water producing method and producing apparatus |
CN201610561383.9A CN106345327B (zh) | 2015-07-17 | 2016-07-15 | 洗涤用氢水的制造方法及制造装置 |
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CN108607471A (zh) * | 2018-05-09 | 2018-10-02 | 安徽中农化工国际贸易有限公司 | 一种配酸造粒系统 |
JP6408083B1 (ja) * | 2017-07-13 | 2018-10-17 | 環境技術サービス株式会社 | 気泡発生装置及び気泡発生方法 |
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CN108587816A (zh) * | 2018-05-18 | 2018-09-28 | 邵博伟 | 一种富氢液态生物洗涤剂及其制备方法与应用 |
KR20240145105A (ko) | 2023-03-27 | 2024-10-07 | 한상관 | 물질과 물질이 접촉하게 되면 자연스럽게 발생하는 물질폭발작용과 물질마찰작용을 이용하여 유체성 물질분자와 식물성 물질이나 광물성 물질을 구성하고 있는 각종 물질분자들이 유체성 물질분자에 함유되도록 바닷물이나 물 또는 방사능 오염수 또는 식용 식품이나 약품 또는 혈액이나 음료 또는 술이나 액체성 물질들을 가공하는 친환경 물질분자 가공공법 및 여기에 적용되는 물질분자 가공기 |
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TW201723164A (zh) | 2017-07-01 |
KR20170009774A (ko) | 2017-01-25 |
KR101913465B1 (ko) | 2018-10-30 |
US20170015956A1 (en) | 2017-01-19 |
US10059911B2 (en) | 2018-08-28 |
TWI646190B (zh) | 2019-01-01 |
CN106345327B (zh) | 2019-03-29 |
JP6154860B2 (ja) | 2017-06-28 |
CN106345327A (zh) | 2017-01-25 |
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