KR20020002195A - 황산리사이클장치 - Google Patents
황산리사이클장치 Download PDFInfo
- Publication number
- KR20020002195A KR20020002195A KR1020010024286A KR20010024286A KR20020002195A KR 20020002195 A KR20020002195 A KR 20020002195A KR 1020010024286 A KR1020010024286 A KR 1020010024286A KR 20010024286 A KR20010024286 A KR 20010024286A KR 20020002195 A KR20020002195 A KR 20020002195A
- Authority
- KR
- South Korea
- Prior art keywords
- sulfuric acid
- tank
- wafer cleaning
- waste liquid
- reaction tank
- 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.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B17/00—Sulfur; Compounds thereof
- C01B17/48—Sulfur dioxide; Sulfurous acid
- C01B17/50—Preparation of sulfur dioxide
- C01B17/56—Separation; Purification
-
- 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
- H10P72/00—Handling or holding of wafers, substrates or devices during manufacture or treatment thereof
- H10P72/04—Apparatus for manufacture or treatment
- H10P72/0402—Apparatus for fluid treatment
- H10P72/0406—Apparatus for fluid treatment for cleaning followed by drying, rinsing, stripping, blasting or the like
- H10P72/0411—Apparatus for fluid treatment for cleaning followed by drying, rinsing, stripping, blasting or the like for wet cleaning or washing
- H10P72/0416—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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B17/00—Sulfur; Compounds thereof
- C01B17/69—Sulfur trioxide; Sulfuric acid
- C01B17/88—Concentration of sulfuric acid
-
- 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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S134/00—Cleaning and liquid contact with solids
- Y10S134/902—Semiconductor wafer
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Cleaning Or Drying Semiconductors (AREA)
- Weting (AREA)
Abstract
Description
| 테스트액 | 샘플 1 | 샘플 2 | 샘플 3 | 샘플 4 | 샘플 5 | |
| 비중(g/cc) | 1.7359 | 1.7634 | 1.7662 | 1.7656 | 1.7653 | 1.7636 |
| 농도(%) | 83.5 | 87.3 | 87.7 | 87.6 | 87.6 | 87.3 |
| 테스트액 | 샘플 1 | 샘플 2 | 샘플 3 | 샘플 4 | 샘플 5 | |
| 비중(g/cc) | 1.7228 | 1.755 | 1.7589 | 1.7568 | 1.7563 | 1.7556 |
| 농도(%) | 81.7 | 86 | 86.7 | 86.4 | 86.3 | 86.2 |
| 테스트액 | 샘플 1 | 샘플 2 | 샘플 3 | 샘플 4 | |
| 비중(g/cc) | 1.7439 | 1.7703 | 1.7712 | 1.7711 | 1.7706 |
| 농도(%) | 84.6 | 88.3 | 88.4 | 88.4 | 88.3 |
| 테스트액 | 샘플 1 | 샘플 2 | 샘플 3 | |
| 비중(g/cc) | 1.7933 | 1.8145 | 1.816 | 1.8168 |
| 농도(%) | 91.5 | 94.4 | 94.7 | 94.8 |
| 테스트액 | 샘플 1 | 샘플 2 | 샘플 3 | |
| 비중(g/cc) | 1.7479 | 1.7913 | 1.7924 | 1.7962 |
| 농도(%) | 85.2 | 91.2 | 91.4 | 91.9 |
Claims (7)
- 황산 및 과산화수소수를 혼합하여 이루어지는 웨이퍼 세정액중의 황산을 리사이클하는 황산리사이클장치로서,적어도 도입구 및 배출구의 2개의 개구부를 가지며, 상기 도입구에서 도입된 웨이퍼 세정처리후의 웨이퍼세정폐액중의 황산을 농축하여 농축황산으로 한 후, 이 농축황산을 상기 배출구에서 배출하는 반응조와, 상기 농축황산을 웨이퍼처리조로 보내는 공급장치를 구비하는 것을 특징으로 하는 황산리사이클장치.
- 제 1 항에 있어서, 상기 반응조에는, 상기 웨이퍼 세정폐액을 가열하는 가열장치가 설치됨과 동시에, 가열에 의해 상기 웨이퍼 세정폐액으로부터 발생하는 기체를 배기하는 배기구가 형성되고,이 배기구에는 상기 기체를 흡인하는 흡인장치가 설치되어 있는 것을 특징으로 하는 황산리사이클장치.
- 제 1 항 또는 제 2 항에 있어서,상기 반응조의 내부에는, 상기 웨이퍼 세정폐액의 진행방향을 바꾸는 복수의 칸막이판과, 이들 칸막이판보다도 반응조의 배출구쪽에 설치되어, 상기 농축황산을 표면을 따라 흐르는 경사판이 설치되어 있는 것을 특징으로 하는 황산리사이클장치.
- 제 3 항에 있어서, 상기 경사판의 표면에는 요철이 형성되어 있는 것을 특징으로 하는 황산리사이클장치.
- 제 1 항 내지 제 4 항 중의 어느 한 항에 있어서, 상기 반응조는 이 반응조의 천정면에 부착한 물방울이 상기 농축황산에 혼입하는 것을 방지하는 물방울 수납조를 가진 것을 특징으로 하는 황산리사이클장치.
- 제 1 항 내지 제 5 항 중의 어느 한 항에 있어서, 상기 농축황산에 새로운 황산을 공급하는 것을 특징으로 하는 황산리사이클장치.
- 제 2 항 내지 제 6 항 중의 어느 한 항에 있어서, 상기 반응조내의 가열온도를 150℃ 이상 315℃ 이하로 하는 것을 특징으로 하는 황산리사이클장치.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP178451 | 2000-06-14 | ||
| JP2000178451 | 2000-06-14 | ||
| JP2000354784A JP3635026B2 (ja) | 2000-06-14 | 2000-11-21 | 硫酸リサイクル装置 |
| JP354784 | 2000-11-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20020002195A true KR20020002195A (ko) | 2002-01-09 |
| KR100771285B1 KR100771285B1 (ko) | 2007-10-29 |
Family
ID=26593920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020010024286A Expired - Fee Related KR100771285B1 (ko) | 2000-06-14 | 2001-05-04 | 황산리사이클장치 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US6782901B2 (ko) |
| JP (1) | JP3635026B2 (ko) |
| KR (1) | KR100771285B1 (ko) |
| TW (1) | TWI230684B (ko) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114293205A (zh) * | 2021-12-17 | 2022-04-08 | 新疆新能源(集团)准东环境发展有限公司 | 一种pvc乙炔净化废硫酸回收处理的装置及其方法 |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1251966C (zh) * | 2002-04-05 | 2006-04-19 | 索尼株式会社 | 已用过的硫酸的再生系统、硫酸废液的再生方法和再生的硫酸 |
| JP2004182517A (ja) | 2002-12-02 | 2004-07-02 | Sony Corp | 使用済み硫酸の再資源化装置 |
| KR100598914B1 (ko) | 2004-09-02 | 2006-07-10 | 세메스 주식회사 | 약액 재생 시스템 및 약액 재생 방법, 그리고 상기시스템을 가지는 기판 처리 설비 |
| KR100629920B1 (ko) | 2004-09-02 | 2006-09-28 | 세메스 주식회사 | 폐액 처리 시스템 및 그 방법 |
| JP4462146B2 (ja) * | 2004-09-17 | 2010-05-12 | 栗田工業株式会社 | 硫酸リサイクル型洗浄システムおよび硫酸リサイクル型過硫酸供給装置 |
| JP5442705B2 (ja) * | 2008-03-17 | 2014-03-12 | エーシーエム リサーチ (シャンハイ) インコーポレーテッド | 半導体ワークピースを処理する溶液調製装置及び方法 |
| JP2011134899A (ja) * | 2009-12-24 | 2011-07-07 | Tokyo Electron Ltd | 基板処理装置、基板処理方法及び記憶媒体 |
| KR101344915B1 (ko) * | 2011-10-31 | 2013-12-26 | 세메스 주식회사 | 기판 처리 장치 및 약액 재생 방법 |
| JP5572198B2 (ja) | 2011-10-31 | 2014-08-13 | セメス株式会社 | 基板処理装置及び薬液再生方法 |
| JP6095887B2 (ja) * | 2011-12-20 | 2017-03-15 | オルガノ株式会社 | 液体管理システム |
| KR101927939B1 (ko) * | 2011-12-30 | 2018-12-12 | 세메스 주식회사 | 기판 처리 장치 |
| US10510527B2 (en) * | 2013-02-01 | 2019-12-17 | Taiwan Semiconductor Manufacturing Co., Ltd. | Single wafer cleaning tool with H2SO4 recycling |
| TWM488496U (zh) * | 2014-02-27 | 2014-10-21 | 信紘科技股份有限公司 | 硫酸-過氧化氫溶液回收處理裝置 |
| US9278860B2 (en) | 2014-07-22 | 2016-03-08 | Taiwan Semiconductor Manufacturing Co., Ltd. | Method and apparatus for recycling waste sulfuric acid |
| CN107935025B (zh) * | 2017-12-18 | 2024-02-02 | 张家港汇普光学材料有限公司 | 一种用于光学红外成像上的硫化锌的水洗系统 |
| US11052432B2 (en) | 2018-03-26 | 2021-07-06 | SCREEN Holdings Co., Ltd. | Substrate processing method and substrate processing apparatus |
| KR102614888B1 (ko) * | 2018-06-13 | 2023-12-19 | 도쿄엘렉트론가부시키가이샤 | 기판 처리 방법 및 기판 처리 장치 |
| CN115628955A (zh) * | 2022-10-26 | 2023-01-20 | 广州广检技术发展有限公司 | 循环喷淋浓硫酸溶洗一体机 |
| TWI849919B (zh) * | 2023-05-19 | 2024-07-21 | 強方科技股份有限公司 | 電子級硫酸管理系統 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4778532A (en) * | 1985-06-24 | 1988-10-18 | Cfm Technologies Limited Partnership | Process and apparatus for treating wafers with process fluids |
| US4911761A (en) * | 1984-05-21 | 1990-03-27 | Cfm Technologies Research Associates | Process and apparatus for drying surfaces |
| JPH03147323A (ja) * | 1989-11-01 | 1991-06-24 | Matsushita Electric Ind Co Ltd | 洗浄システム |
| JP3375050B2 (ja) * | 1997-03-31 | 2003-02-10 | 富士通株式会社 | 廃硫酸連続精製装置及び精製方法 |
| JP3087680B2 (ja) * | 1997-04-04 | 2000-09-11 | 日本電気株式会社 | 半導体製造装置 |
| US5963878A (en) * | 1998-07-30 | 1999-10-05 | Noram Engineering & Constructors Ltd. | Nitration process |
-
2000
- 2000-11-21 JP JP2000354784A patent/JP3635026B2/ja not_active Expired - Lifetime
-
2001
- 2001-03-28 TW TW090107324A patent/TWI230684B/zh not_active IP Right Cessation
- 2001-05-04 KR KR1020010024286A patent/KR100771285B1/ko not_active Expired - Fee Related
- 2001-11-07 US US10/045,327 patent/US6782901B2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114293205A (zh) * | 2021-12-17 | 2022-04-08 | 新疆新能源(集团)准东环境发展有限公司 | 一种pvc乙炔净化废硫酸回收处理的装置及其方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI230684B (en) | 2005-04-11 |
| US20020108643A1 (en) | 2002-08-15 |
| JP2002068715A (ja) | 2002-03-08 |
| JP3635026B2 (ja) | 2005-03-30 |
| KR100771285B1 (ko) | 2007-10-29 |
| US6782901B2 (en) | 2004-08-31 |
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