KR19980032895A - 연마제의 회수재이용방법 및 장치 - Google Patents
연마제의 회수재이용방법 및 장치 Download PDFInfo
- Publication number
- KR19980032895A KR19980032895A KR1019970053061A KR19970053061A KR19980032895A KR 19980032895 A KR19980032895 A KR 19980032895A KR 1019970053061 A KR1019970053061 A KR 1019970053061A KR 19970053061 A KR19970053061 A KR 19970053061A KR 19980032895 A KR19980032895 A KR 19980032895A
- Authority
- KR
- South Korea
- Prior art keywords
- abrasive
- polishing
- concentration
- liquid
- concentrate
- 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.)
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Classifications
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- 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
- H01L21/304—Mechanical treatment, e.g. grinding, polishing, cutting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/14—Ultrafiltration; Microfiltration
- B01D61/145—Ultrafiltration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/14—Ultrafiltration; Microfiltration
- B01D61/16—Feed pretreatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/14—Ultrafiltration; Microfiltration
- B01D61/22—Controlling or regulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B37/00—Lapping machines or devices; Accessories
- B24B37/04—Lapping machines or devices; Accessories designed for working plane surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B57/00—Devices for feeding, applying, grading or recovering grinding, polishing or lapping agents
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
Landscapes
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Organic Chemistry (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Mechanical Treatment Of Semiconductor (AREA)
- Grinding-Machine Dressing And Accessory Apparatuses (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Abstract
Description
Claims (11)
- 반도체기판 또는 그 위에 형성된 피막의 화학기계연마를 행한 후의 연마폐액을, 여과기에 의해 전량 여과해서 조대불순물을 여과기에 포착해서 제거하고, 이 여과액을 구멍직경 2~100nm의 한외여과막으로 이루어진 한외여과기에 순환시켜서 농축하고, 이 농축액을 연마제로서 회수해서 재이용하는 것을 특징으로 하는 연마제의 회수재이용방법.
- 제 1 항에 있어서, 여과기가 25~100μm의 단섬유를 와인드한 와인드형 엘리먼트를 가진 것을 특징으로 하는 연마제의 회수재이용방법.
- 제 1 항 또는 제 2 항에 있어서, 한외여과막에 의한 농축액의 연마제 농도를 비중계를 사용한 농도모니터에 의해 제어하는 것을 특징으로 하는 연마제의 회수재이용방법.
- 제 1 항~제 3 항의 어느 한 항에 있어서, 한외여과막의 농축액이 일정온도가 되도록 온도조정하도록 한 것을 특징으로 하는 연마제의 회수재이용방법.
- 제 1 항~제 4 항에 있어서, 한외여과막의 농축액에 알칼리 또는 산을 첨가하고, 연마액으로서 회수하도록 한 것을 특징으로 하는 연마제의 회수재이용방법.
- 제 1 항~제 5 항의 어느 한 항에 있어서, 한외여과막의 투과액을 순수제조장치에 보내고, 순수로서 재이용하는 것을 특징으로 하는 연마제의 회수재이용방법.
- 연마폐액을 여과기에 의해 전량 여과해서 조대불순물을 여과기에 포착해서 제거하는 적어도 2계통 이상의 여과기능부와, 상기 여과액을 순환시키면서 구멍직경 2~100nm의 한외여과막에 의해 농축하는 농축기능부를 구비한 것을 특징으로 하는 연마제의 회수재이용장치.
- 제 7 항에 있어서, 고압기체를 상기 농축기능부의 한외여과막에 공급해서 자동역세정하는 역세정기능부를 부가한 것을 특징으로 하는 연마제의 회수재이용장치.
- 제 7 항 또는 제 8 항에 있어서, 한외여과기에 순환중의 연마제 입자농도를 연속적으로 측정하는 농도모니터기능부를 부가한 것을 특징으로 하는 연마제의 회수재이용장치.
- 제 7 항~제 9 항의 어느 한 항에 있어서, 농축액의 pH를 측정하는 pH모니터기능부와, 연마제 입자농도가 소정치에 도달한 농축액에 pH조정약제를 공급하는 pH조정약제공급기능부와, pH조정약제공급기능부로부터 pH조정약제를 공급해서 pH를 소정치로 한 농축액을 연마제회수액으로서 수송하는 배관부를 부가한 것을 특징으로 하는 연마제의 회수재이용장치.
- 제 7 항~제 10 항의 어느 한 항에 있어서, 여과기능부에 의해 조대불순물을 제거한 여과액을 상기 농축기능부에 공급하고, 연마제 입자농도가 소정치에 도달한 것을 상기 농도모니터기능부에서 검출해서 화학기계연마장치에 상기 연마제회수액을 자동적으로 공급하고, 또한 정기적으로 상기 한외여과막을 자동역세정해서 연속운전하도록 한 것을 특징으로 하는 연마제의 회수재이용장치.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP27664396A JP3341601B2 (ja) | 1996-10-18 | 1996-10-18 | 研磨剤の回収再利用方法および装置 |
| JP1996-276643 | 1996-10-18 | ||
| JP96-276643 | 1996-10-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR19980032895A true KR19980032895A (ko) | 1998-07-25 |
| KR100476322B1 KR100476322B1 (ko) | 2005-07-18 |
Family
ID=17572312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019970053061A Expired - Fee Related KR100476322B1 (ko) | 1996-10-18 | 1997-10-16 | 연마제의회수재이용방법및장치 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US6077437A (ko) |
| JP (1) | JP3341601B2 (ko) |
| KR (1) | KR100476322B1 (ko) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19990077814A (ko) * | 1998-03-30 | 1999-10-25 | 오바라 히로시 | 씨엠피 장치의 슬러리 재생이용 시스템 및 그 방법 |
| KR100514612B1 (ko) * | 2002-11-14 | 2005-09-16 | 주식회사 데콘엔지니어링 | 중성염 전해연마를 이용한 방사능 오염 금속의 제염장치 |
| KR100545449B1 (ko) * | 1999-06-30 | 2006-01-24 | 주식회사 하이닉스반도체 | 화학기계적 연마법에 의한 산화막 연마 방법 |
| KR100584007B1 (ko) * | 2004-12-31 | 2006-06-02 | 주식회사 케이씨텍 | 연마용 슬러리 및 이의 제조 방법 |
| KR100680653B1 (ko) * | 2005-09-23 | 2007-02-08 | 이종배 | 렌즈 연마수 재생장치 |
| US8062547B2 (en) | 2005-06-03 | 2011-11-22 | K.C. Tech Co., Ltd. | CMP slurry, preparation method thereof and method of polishing substrate using the same |
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| EP0979211B1 (de) * | 1997-04-28 | 2003-02-19 | Infineon Technologies AG | Verfahren zur behandlung von abwasser aus einem chemisch-mechanischen polierprozess in der chipfertigung |
| US6332835B1 (en) * | 1997-11-20 | 2001-12-25 | Canon Kabushiki Kaisha | Polishing apparatus with transfer arm for moving polished object without drying it |
| JP2000071172A (ja) | 1998-08-28 | 2000-03-07 | Nec Corp | 化学機械研磨用スラリーの再生装置及び再生方法 |
| JP3538042B2 (ja) * | 1998-11-24 | 2004-06-14 | 松下電器産業株式会社 | スラリー供給装置及びスラリー供給方法 |
| US6280300B1 (en) * | 1998-11-25 | 2001-08-28 | Ebara Corporation | Filter apparatus |
| EP1566421B1 (en) * | 1998-12-25 | 2014-12-10 | Hitachi Chemical Company, Ltd. | CMP abrasive, liquid additive for CMP abrasive and method for polishing substrate. |
| JP3426149B2 (ja) * | 1998-12-25 | 2003-07-14 | 富士通株式会社 | 半導体製造における研磨廃液再利用方法及び再利用装置 |
| US6407000B1 (en) * | 1999-04-09 | 2002-06-18 | Micron Technology, Inc. | Method and apparatuses for making and using bi-modal abrasive slurries for mechanical and chemical-mechanical planarization of microelectronic-device substrate assemblies |
| US6599836B1 (en) * | 1999-04-09 | 2003-07-29 | Micron Technology, Inc. | Planarizing solutions, planarizing machines and methods for mechanical or chemical-mechanical planarization of microelectronic-device substrate assemblies |
| JP3708748B2 (ja) | 1999-04-23 | 2005-10-19 | 松下電器産業株式会社 | 研磨剤の再生装置および研磨剤の再生方法 |
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| JP2002331456A (ja) | 2001-05-08 | 2002-11-19 | Kurita Water Ind Ltd | 研磨材の回収装置 |
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| CN117085541A (zh) * | 2022-05-12 | 2023-11-21 | 英莱特国际有限公司 | 研磨浆废液回收方法及系统 |
| TWI805364B (zh) * | 2022-05-12 | 2023-06-11 | 英萊特國際有限公司 | 研磨漿廢液回收方法及系統 |
| JP2024043122A (ja) * | 2022-09-16 | 2024-03-29 | キオクシア株式会社 | 端材回収装置 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59189987A (ja) * | 1983-04-11 | 1984-10-27 | Nec Corp | シリコンウエ−ハ−研摩排水の循環利用方法 |
| JPS6283086A (ja) * | 1985-10-07 | 1987-04-16 | Nec Kyushu Ltd | 研削排水回収装置 |
| US5352277A (en) * | 1988-12-12 | 1994-10-04 | E. I. Du Pont De Nemours & Company | Final polishing composition |
| FR2666245B1 (fr) * | 1990-08-31 | 1992-10-23 | Lyonnaise Eaux | Procede de commande des modes de fonctionnement d'un appareil automatique de filtration d'eau sur membranes tubulaires. |
| JPH0741535B2 (ja) * | 1991-04-10 | 1995-05-10 | 中小企業事業団 | ラップ加工装置の砥粒液再生・循環装置 |
| JPH08965A (ja) * | 1994-06-22 | 1996-01-09 | Noritake Co Ltd | 加工廃液再生方法および加工廃液再生装置 |
| JPH08197536A (ja) * | 1995-01-27 | 1996-08-06 | Noritake Co Ltd | 加工廃液再生方法および加工廃液再生装置 |
| JP2606156B2 (ja) * | 1994-10-14 | 1997-04-30 | 栗田工業株式会社 | 研磨剤粒子の回収方法 |
| US5664990A (en) * | 1996-07-29 | 1997-09-09 | Integrated Process Equipment Corp. | Slurry recycling in CMP apparatus |
-
1996
- 1996-10-18 JP JP27664396A patent/JP3341601B2/ja not_active Expired - Fee Related
-
1997
- 1997-10-14 US US08/950,394 patent/US6077437A/en not_active Expired - Lifetime
- 1997-10-16 KR KR1019970053061A patent/KR100476322B1/ko not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19990077814A (ko) * | 1998-03-30 | 1999-10-25 | 오바라 히로시 | 씨엠피 장치의 슬러리 재생이용 시스템 및 그 방법 |
| KR100545449B1 (ko) * | 1999-06-30 | 2006-01-24 | 주식회사 하이닉스반도체 | 화학기계적 연마법에 의한 산화막 연마 방법 |
| KR100514612B1 (ko) * | 2002-11-14 | 2005-09-16 | 주식회사 데콘엔지니어링 | 중성염 전해연마를 이용한 방사능 오염 금속의 제염장치 |
| KR100584007B1 (ko) * | 2004-12-31 | 2006-06-02 | 주식회사 케이씨텍 | 연마용 슬러리 및 이의 제조 방법 |
| US8062547B2 (en) | 2005-06-03 | 2011-11-22 | K.C. Tech Co., Ltd. | CMP slurry, preparation method thereof and method of polishing substrate using the same |
| KR100680653B1 (ko) * | 2005-09-23 | 2007-02-08 | 이종배 | 렌즈 연마수 재생장치 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3341601B2 (ja) | 2002-11-05 |
| JPH10118899A (ja) | 1998-05-12 |
| US6077437A (en) | 2000-06-20 |
| KR100476322B1 (ko) | 2005-07-18 |
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