JP4011579B2 - ウェハ平坦化装置及び方法 - Google Patents
ウェハ平坦化装置及び方法 Download PDFInfo
- Publication number
- JP4011579B2 JP4011579B2 JP2004371786A JP2004371786A JP4011579B2 JP 4011579 B2 JP4011579 B2 JP 4011579B2 JP 2004371786 A JP2004371786 A JP 2004371786A JP 2004371786 A JP2004371786 A JP 2004371786A JP 4011579 B2 JP4011579 B2 JP 4011579B2
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- Japan
- Prior art keywords
- wafer
- nitrogen gas
- etching liquid
- transfer pipe
- supply 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.)
- Expired - Fee Related
Links
- 238000000034 method Methods 0.000 title claims description 14
- 238000005530 etching Methods 0.000 claims description 45
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 42
- 239000007788 liquid Substances 0.000 claims description 38
- 229910001873 dinitrogen Inorganic materials 0.000 claims description 22
- 229910052757 nitrogen Inorganic materials 0.000 claims description 10
- 239000007921 spray Substances 0.000 claims description 7
- 238000004140 cleaning Methods 0.000 claims description 6
- 238000005507 spraying Methods 0.000 claims description 4
- 239000008367 deionised water Substances 0.000 claims description 3
- 229910021641 deionized water Inorganic materials 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 239000000126 substance Substances 0.000 description 17
- 239000000243 solution Substances 0.000 description 12
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 6
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 230000035484 reaction time Effects 0.000 description 3
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- QPJSUIGXIBEQAC-UHFFFAOYSA-N n-(2,4-dichloro-5-propan-2-yloxyphenyl)acetamide Chemical compound CC(C)OC1=CC(NC(C)=O)=C(Cl)C=C1Cl QPJSUIGXIBEQAC-UHFFFAOYSA-N 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000012159 carrier gas Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
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
-
- 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
- H01L21/02002—Preparing wafers
- H01L21/02005—Preparing bulk and homogeneous wafers
- H01L21/02008—Multistep processes
- H01L21/0201—Specific process step
- H01L21/02019—Chemical 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
- 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
- H01L21/30604—Chemical 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
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/67005—Apparatus not specifically provided for elsewhere
- H01L21/67011—Apparatus for manufacture or treatment
- H01L21/67017—Apparatus for fluid treatment
- H01L21/67063—Apparatus for fluid treatment for etching
- H01L21/67075—Apparatus for fluid treatment for etching for wet etching
- H01L21/6708—Apparatus for fluid treatment for etching for wet etching using mainly spraying means, e.g. nozzles
Landscapes
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Chemical & Material Sciences (AREA)
- Weting (AREA)
- Cleaning Or Drying Semiconductors (AREA)
- Mechanical Treatment Of Semiconductor (AREA)
Description
しかし、前記の化学反応によってだけではシリコーン酸化膜が等方性蝕刻されるので平坦化が成り立たない。したがって、本発明では表面方向だけで異方性蝕刻が起きて平坦化が成り立つように前記ウェハを高速で回転させる。前記ウェハ高速回転の作用と蒸気形態で微細にウェハの全面に均一に振り撤かれた蝕刻液の作用でウェハは平坦化される。
21 窒素ガス移送管
30 蝕刻液の供給タンク
31 蝕刻液
32 センサー
33 蝕刻液の供給配管
40 噴射ノズル
45 ウエハ回転装置
50 チャンバ
51 ウエハ
52 クランプ
53 ウエハステージ
54 リフト
55 高速回転駆動部
Claims (6)
- ウェハ平坦化装置において、
液体窒素供給タンクと;
前記液体窒素供給タンクとバルブで繋がれた窒素ガス移送管と;
前記窒素ガス移送管と繋がれる蝕刻液の供給配管と;
前記蝕刻液の供給配管と繋がれる蝕刻液の供給タンクと;
前記窒素ガス移送管と繋がれる噴射ノズル部の上部面に附着してウェハ回転装置が下部面に位したチャンバと;
を含むことを特徴とするウェハ平坦化装置。 - 前記蝕刻液の供給タンクは、蝕刻液の残留量を感知するセンサーが附着していることを特徴とする請求項1に記載のウェハ平坦化装置。
- 前記蝕刻液の供給配管は、出口側がノズルで構成されていることを特徴とする請求項1に記載のウェハ平坦化装置。
- 前記噴射ノズル部は、複数個のノズルで構成されていることを特徴とする請求項1に記載のウェハ平坦化装置。
- 前記ウェハ回転装置は、
モーターを具備した回転駆動部と;
前記回転駆動部の上部に位してウェハをローディング、アンローディングするリフトと;
前記リフトの上部に位してウェハが置かれるステージと;
前記ステージの上部わくに位してウェハの離脱を防止するクランプと;
ウェハに脱イオン水を供給する洗浄ノズルと;
を含んで成り立つことを特徴とする請求項1に記載のウェハ平坦化装置。 - ウェハの平坦化方法において、
窒素ガスを移送管へ放出する段階であって、前記窒素ガスは、液体窒素供給タンクで高い圧力を持って前記移送管に放出される段階と;
前記放出された窒素ガスと蝕刻液が混合する段階と;
前記混合した蝕刻液がチャンバ内の噴射ノズル部からウェハの全面に噴射されてウェハを平坦化する段階と;
前記ウェハを洗浄する段階と;
を含むことを特徴とするウェハの平坦化方法。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020030095812A KR100582837B1 (ko) | 2003-12-23 | 2003-12-23 | 웨이퍼 평탄화 장치 및 방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005184008A JP2005184008A (ja) | 2005-07-07 |
JP4011579B2 true JP4011579B2 (ja) | 2007-11-21 |
Family
ID=34675990
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004371786A Expired - Fee Related JP4011579B2 (ja) | 2003-12-23 | 2004-12-22 | ウェハ平坦化装置及び方法 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20050133156A1 (ja) |
JP (1) | JP4011579B2 (ja) |
KR (1) | KR100582837B1 (ja) |
DE (1) | DE102004063066B4 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007083656A1 (ja) * | 2006-01-20 | 2007-07-26 | Sumco Corporation | ウェーハの表面平滑方法およびその装置 |
US10593603B2 (en) | 2018-03-16 | 2020-03-17 | Sandisk Technologies Llc | Chemical mechanical polishing apparatus containing hydraulic multi-chamber bladder and method of using thereof |
KR102651367B1 (ko) | 2018-11-22 | 2024-03-27 | 에스케이하이닉스 주식회사 | 데이터 센터 |
TWI810563B (zh) * | 2021-05-14 | 2023-08-01 | 達運精密工業股份有限公司 | 遮罩的製造方法及遮罩製造裝置 |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4370192A (en) * | 1980-10-20 | 1983-01-25 | American Microsystems, Inc. | Apparatus for chemical etching of silicon |
JPS58205153A (ja) * | 1982-05-25 | 1983-11-30 | Dainippon Screen Mfg Co Ltd | 薬液散布装置 |
DE3273475D1 (en) * | 1982-10-14 | 1986-10-30 | Ibm Deutschland | Method to measure the thickness of eroded layers at subtractive work treatment processes |
US4793895A (en) * | 1988-01-25 | 1988-12-27 | Ibm Corporation | In situ conductivity monitoring technique for chemical/mechanical planarization endpoint detection |
US4954142A (en) * | 1989-03-07 | 1990-09-04 | International Business Machines Corporation | Method of chemical-mechanical polishing an electronic component substrate and polishing slurry therefor |
US5081421A (en) * | 1990-05-01 | 1992-01-14 | At&T Bell Laboratories | In situ monitoring technique and apparatus for chemical/mechanical planarization endpoint detection |
US5081796A (en) * | 1990-08-06 | 1992-01-21 | Micron Technology, Inc. | Method and apparatus for mechanical planarization and endpoint detection of a semiconductor wafer |
US5036015A (en) * | 1990-09-24 | 1991-07-30 | Micron Technology, Inc. | Method of endpoint detection during chemical/mechanical planarization of semiconductor wafers |
JP2583152B2 (ja) * | 1990-11-06 | 1997-02-19 | 大日本スクリーン製造株式会社 | 基板回転式表面処理方法 |
US5433651A (en) * | 1993-12-22 | 1995-07-18 | International Business Machines Corporation | In-situ endpoint detection and process monitoring method and apparatus for chemical-mechanical polishing |
US6537133B1 (en) * | 1995-03-28 | 2003-03-25 | Applied Materials, Inc. | Method for in-situ endpoint detection for chemical mechanical polishing operations |
US20020064961A1 (en) * | 2000-06-26 | 2002-05-30 | Applied Materials, Inc. | Method and apparatus for dissolving a gas into a liquid for single wet wafer processing |
ATE257277T1 (de) * | 2000-10-31 | 2004-01-15 | Sez Ag | Vorrichtung zur flüssigkeitsbehandlung von scheibenförmigen gegenständen |
US6811680B2 (en) * | 2001-03-14 | 2004-11-02 | Applied Materials Inc. | Planarization of substrates using electrochemical mechanical polishing |
US6699356B2 (en) * | 2001-08-17 | 2004-03-02 | Applied Materials, Inc. | Method and apparatus for chemical-mechanical jet etching of semiconductor structures |
US6827633B2 (en) * | 2001-12-28 | 2004-12-07 | Ebara Corporation | Polishing method |
US6770565B2 (en) * | 2002-01-08 | 2004-08-03 | Applied Materials Inc. | System for planarizing metal conductive layers |
JP2003273064A (ja) * | 2002-03-15 | 2003-09-26 | Fujitsu Ltd | 堆積物の除去装置及び除去方法 |
JP3751897B2 (ja) * | 2002-03-27 | 2006-03-01 | 大日本スクリーン製造株式会社 | 基板処理装置および基板処理方法 |
US20030209069A1 (en) * | 2002-05-13 | 2003-11-13 | Silicon Integrated Systems Corp. | Chemical bath having liquid level indications in outer trough |
US6806193B2 (en) * | 2003-01-15 | 2004-10-19 | Texas Instruments Incorporated | CMP in-situ conditioning with pad and retaining ring clean |
-
2003
- 2003-12-23 KR KR1020030095812A patent/KR100582837B1/ko not_active IP Right Cessation
-
2004
- 2004-12-22 DE DE102004063066A patent/DE102004063066B4/de not_active Expired - Fee Related
- 2004-12-22 JP JP2004371786A patent/JP4011579B2/ja not_active Expired - Fee Related
- 2004-12-23 US US11/022,166 patent/US20050133156A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
KR100582837B1 (ko) | 2006-05-23 |
US20050133156A1 (en) | 2005-06-23 |
DE102004063066A1 (de) | 2005-11-03 |
JP2005184008A (ja) | 2005-07-07 |
DE102004063066B4 (de) | 2008-01-17 |
KR20050064445A (ko) | 2005-06-29 |
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