TW471995B - Wafer polishing apparatus - Google Patents
Wafer polishing apparatus Download PDFInfo
- Publication number
- TW471995B TW471995B TW090103422A TW90103422A TW471995B TW 471995 B TW471995 B TW 471995B TW 090103422 A TW090103422 A TW 090103422A TW 90103422 A TW90103422 A TW 90103422A TW 471995 B TW471995 B TW 471995B
- Authority
- TW
- Taiwan
- Prior art keywords
- wafer
- grinding
- unit
- polishing
- platen
- Prior art date
Links
- 238000005498 polishing Methods 0.000 title abstract description 46
- 238000005406 washing Methods 0.000 claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 15
- 238000002347 injection Methods 0.000 claims abstract description 6
- 239000007924 injection Substances 0.000 claims abstract description 6
- 238000012546 transfer Methods 0.000 claims description 6
- 239000002002 slurry Substances 0.000 abstract 1
- 235000012431 wafers Nutrition 0.000 description 64
- 238000011010 flushing procedure Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 239000003082 abrasive agent Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000032258 transport Effects 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 1
- 238000003339 best practice Methods 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007517 polishing process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Classifications
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- 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
- B24B37/00—Lapping machines or devices; Accessories
- B24B37/34—Accessories
- B24B37/345—Feeding, loading or unloading work specially adapted to lapping
-
- 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
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/02—Equipment for cooling the grinding surfaces, e.g. devices for feeding coolant
-
- 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
-
- 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
- H01L21/67028—Apparatus for fluid treatment for cleaning followed by drying, rinsing, stripping, blasting or the like
- H01L21/6704—Apparatus for fluid treatment for cleaning followed by drying, rinsing, stripping, blasting or the like for wet cleaning or washing
- H01L21/67051—Apparatus for fluid treatment for cleaning followed by drying, rinsing, stripping, blasting or the like for wet cleaning or washing using mainly spraying means, e.g. nozzles
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Mechanical Treatment Of Semiconductor (AREA)
Description
471995 五、發明說明(1) 發明背景 1. 發明範 本發明係 使用化學機 2. 相關技 近年來, 電路係呈多 範圍。以前 線愈細,孔 有可能發生 之表面平面 學機械式研· 積體電路圖 根據以前 當實施二步 研磨劑研磨 但因壓板必 工作效率低 圍 -晶圓研磨裝置。本發明更特別係、關於一 械式研磨(CMP)技術之半導體晶圓研磨褒 蟄說明 ~ 3電路之最小化係具有長足之進步,及積體 層式圖案。一層表面上圖案之形成一 技藝係形成圖案在一預先層上。但層數愈多, 直徑愈小即使完成一滿意圖案愈困難,^且俞 失誤。因此,習慣作法係使具有圖案形成其^ 化及而後成形該圖案於另一層之上。一使用化 磨(CMP)方法之晶圓研磨裝置(CMp裝置)係於一 本成形處理中採用。 、 技藝之晶圓研磨裝置係僅包括一壓板。因此, 驟晶圓研磨時,晶圓之研磨係首先用特殊泥狀 ,而後換泥狀研磨劑研磨泥狀研磨劑再研磨。 須在更換泥狀研磨劑前沖洗,因之研磨耙時及 —一已知之晶圓研磨裝置係包括二片或多片壓板及可更換 每一壓板之研磨特性。但該晶圓研磨裝置載運已研磨晶圓 至下一壓板之時,前一步驟使用之泥狀研磨劑係仍附著在 該晶圓之上,因而研磨係無法圓滿完成。另—方式之二+ 驟研磨係載運研磨完畢之晶圓至一沖洗單元而後再載'運^ 沖洗後之晶圓至下一壓板。在此情況下,研磨步驟與研磨
第5頁 471995 五、發明說明(2) 時間所造成之損失係因該晶圓於研磨方載運至該沖洗單元 發明概述 鑑於前述之問題,本發明之一標的係提供—晶圓 置,該裝置係可用於高精密度多步驟 /7凌 步驟。 ^ ^而不耗費研磨 為解決前述之問題,根據本發明之一晶圓研磨裝 置二片或多片壓板在一研磨單元中及供沖洗水用之注水口 在壓板間之周邊。當執行二步驟晶圓研磨時,自注水口 出之沖洗水係可於該晶圓研磨後由研磨頭部固持並運送至 下一壓板之際沖洗該晶圓。因此,該晶圓研磨裝置係可防 止附著在該晶圓上之泥狀研磨劑等載運送至下一研磨步驟 及可執行高精密度晶圓研磨。以及下一研磨步驟之壓^間 之空間也不污染。 而且’該晶圓研磨裝置係可執行多步驟研磨,而不需於 研磨完成後載運該晶圓至沖洗單元’及使研磨步驟間浪費 之時間減至最低。 ' 本發明係可由下述連同隨附圖式說明之最佳實例更能完 全瞭解。 圖式簡單說明 圖式係包括: 圖1係根據本發明一晶圓研磨裝置整體結構之平面簡圖 , 圖2係根據本發明一晶圓研磨裝置研磨單元之平面簡圖
第6頁 五、發明說明(3) •,及 ,3係本發明之研磨單元簡圖。 最佳實例說明 。圖1係根據本發明一晶圓研磨裝置整體結構之平面簡圖 遠晶圓研磨裝置1係包括五單元,即一指標單元2,一裝 。。' /_卸載單元3 ’ 一研磨單元4,一沖洗單元5及一電氣設備 早元6。女裝裝置係個別安裝每一單元。 於t 1 ΐ ΐ2係可裝載複數卡盒2 1。一機械手臂22係安裝 曰^才曰^"單元2 ’這樣’可取出卡盒中之晶圓10及載運該 :三至裝載/卸載單元3。機械手臂22係接受該研磨並由沖 ==5冲洗後之晶圓丨〇,並將其送回個別之卡盒21内。 3 2。兮/卸載單兀3係包括二,上及下,傳遞機械手臂3 1及 下段遞機械手臂31係用於裝載(晶圓研磨前),該 元2取出\\手Λ32係用於却載(晶圓研磨後)。自指標單 -在該Λ Γί 輪送至該上段傳遞機械手臂μ。 、、,α亥扁我/卸載單元3内之預先調準台, ^用,及該晶圓1 0係而後由該上段傳#娥;Η车辟=疋 至該研磨單元4。 得遞機械手臂31運送 °亥研磨單元4係包括三片壓板41及_ i Λ 具有上下二夂一具研磨頭部42。一 應壓板之間。冑送至該研磨單气待早兀43係配置相對 磨頭部42通過該等待單元43上段曰母一晶圓1〇係由該研 壓板之上及在該處研磨。研磨^曰=放台…載運至該 /卸載單元3下段傳遞機械手们:晶圓1〇係由該裝載 -人通過該等待單元43下 471995 五、發明說明(4) 段晶圓置放台43b取出’而後載運至該沖洗單元5 沖洗完ί後:該指標單元2之機械手臂22係納該晶圓10 於卡盒21中。前述係概略說明圖i所示一次完成研磨處理 之晶圓研磨裝置1。 下述係m 2及圖3詳細說明本發明晶圓研磨裝置研磨 單元4。 如圖2所示,—該研磨單元4係具有三片磨板“及二具研 磨頭42。當執行二段式研磨時,該在右左兩側之壓板4ι& 係使用相同之泥狀研磨劑,而該中央壓板41b係使用不同 之泥狀研磨劑,這樣,即可改變研磨特性。個別壓板室之 清潔程度係可根據研磨特性而改變。 用於固持该晶圓1 〇之研磨頭4 2係可該壓板間作線性運動 及可藉一滚珠絲权結構作上下之運動。 該研磨單元4係具有二等待單元43分別在壓板η a及411} ,間。每一等待單元43係具有一上下二段式晶圓置放台。 每一晶圓置放台431,43 2係經一互聯構件4 33連接至一無 桿唧筒4 3 4。因此’當該無桿唧筒4 3 4驅動時,該晶圓置放 台4 3 1及4 3 2係可線_性運動。 該研磨單元4係更進一步包括一在該沖洗單元4 3下方一 空間中之推桿沖洗單元44。該推桿沖洗單元44係位在該下 段晶圓置放台4 3 2下方及成一圓柱形箱4 4 1,該箱之大小係 可使作推桿用之研磨頭4 2進入。沖洗水係供應至該箱4 4 1 中〇 沖洗水用之注水口 4 5係配置在該研磨單元4壓板41 a及
第8頁
4!b間之周邊。在本實例♦,沖洗晶圓iq用之沖 口 4 5係配置在該等待單元4 3 ^水 ^ ^ 予行早兀4d之周邊及在左右兩側壓板4U ::J内,以於左右兩侧壓板41a研磨 中央壓板41b研磨時,注射沖洗水之用。 便戟運至 I ◦ “ :::广/之‘作係可5兒明該二步驟研磨。當該晶圓 猎〇哀載/卸載單元3上段傳遞機械手臂31承載而置於該 專待單元單元43上晶圓置放台431上時,肖上晶圓置放台 1之無桿唧筒434係操作而直線運動使在上晶圓置放台 431上之晶圓丨〇處於輸送至該研磨頭“之位置。 其次,該研磨頭42係移動而藉真空或諸如此類吸附方式 固,在上晶圓置放台431上之晶圓10,及載運該晶園1〇左 右壓板41a之一,並在該處執行第—次研磨。 於第人研磨元成後’該晶圓1 0係載運至在中央之另一 壓板4 1 b,該壓板係具有不同之研磨特性,此時該晶圓丄〇 係仍由該研磨頭42固持。在此時,沖洗水係自注水口 45喷 出而沖洗附著於該晶圓1 〇及該研磨頭42上之泥狀研磨劑或 諸如此類者。該研磨頭4 2係會隅然淹沒於該箱4 41内沖洗 水中及於需要時可更進一步沖洗。在此時,該上下晶圓置 放台4 31及4 3 2係會自在該推桿沖洗單元4 4上方之位置移開 〇 該中央壓板41 b因使用不同之泥狀研磨劑而具有不同之 研磨特性,例如,加施再次研磨時,晶圓丨0係載至該中央 壓板41 b。於研磨完成後,該研磨頭42係載運該晶圓1 0於 該已移動之等待單元4 3下晶圓置放台4 3 2上。而後係該無
fit ΙΌ 五、發明說明(6) 桿唧筒3 4择从、,a ''乍並移動該下晶圓詈妨△ μ 〇 二步驟研磨之θ 置放口 4 3 2,以支撐該〜 / 呷θ之晶圓1 〇於原始供應 我疋成 。該裝載/卸% 置至°亥哀載/卸裁單元3 W2接受下傳遞機械手臂32自該下晶圓Λ σ 432接又垓完成二步驟 日日®置放 單元5。 〈日日圓10亚載運至下一沖洗 雖本實例係說明二步驟研磨 一方法執行。 彳-夕步恥研磨係也可用同 前f根據本發明之晶圓研磨裝置係可該晶圓完成第一次 研磨傳运至具有不研磨特性壓 、β卜竹保付r生嶝板之處理中,沖洗掉 該晶圓之泥狀研磨劑等,因此可抽—Λ ^ i技nn ^ u此可執行尚精密度之二步驟研 磨。本’二月之晶圓研磨裝置係可防止泥狀研磨劑等在傳送 至下/歷板之際附著於該晶圓,因此而防止室因污降 低清潔度。 〃 雖本發明係參照一供說明目的用之實例說明,但應瞭解 ,精此技藝者係可在不脫離本發明基本概念與範圍下作不 同之修改係。
第10頁 471995 圖式簡單說明 第11頁
Claims (1)
- 471995 六、申請專利範圍 1. 一晶圓研磨裝置,係包括一指標單元供自一卡盒輸送 一晶圓至一裝載/卸載單元,該裝載/卸載單元係轉送該晶 圓自該指標單元至一研磨單元及自該研磨單元至一沖洗單 元,該研磨單元係供研磨該晶圓用及該沖洗單元係供於該 晶圓完成研磨後,沖洗該晶圓用,其: 該研磨單元係包括至少二片壓板,及注水口,該注水 口係注射沖洗水,以沖洗該晶圓,該晶圓係藉該研磨頭移 動而置於該壓板周邊之間,當該晶圓藉該壓板之一研磨後 ,係更進一步藉具有不同研磨特性之另一該壓板研磨。第12頁
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JP2000082995A JP3556148B2 (ja) | 2000-03-23 | 2000-03-23 | ウェハ研磨装置 |
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US (1) | US6494768B2 (zh) |
JP (1) | JP3556148B2 (zh) |
KR (1) | KR100389691B1 (zh) |
DE (1) | DE10106678B4 (zh) |
GB (1) | GB2361448B (zh) |
TW (1) | TW471995B (zh) |
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JP2003133274A (ja) * | 2001-10-22 | 2003-05-09 | Ebara Corp | 研磨装置 |
JP2004106084A (ja) * | 2002-09-17 | 2004-04-08 | Ebara Corp | ポリッシング装置及び基板処理装置 |
US7909677B2 (en) | 2007-05-14 | 2011-03-22 | United Microelectronics Corp. | Method of transferring a wafer |
KR100854422B1 (ko) * | 2007-08-01 | 2008-08-26 | 주식회사 에스에프에이 | 웨이퍼 연마장치 |
JP6044455B2 (ja) * | 2013-05-28 | 2016-12-14 | 信越半導体株式会社 | ウェーハの研磨方法 |
JP2020059095A (ja) * | 2018-10-11 | 2020-04-16 | 株式会社ブイ・テクノロジー | ウェハの研磨装置および研磨方法 |
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JP2708233B2 (ja) | 1989-06-23 | 1998-02-04 | アルプス電気株式会社 | 熱転写プリンタにおける記録消去方法 |
US5329732A (en) * | 1992-06-15 | 1994-07-19 | Speedfam Corporation | Wafer polishing method and apparatus |
US5885138A (en) * | 1993-09-21 | 1999-03-23 | Ebara Corporation | Method and apparatus for dry-in, dry-out polishing and washing of a semiconductor device |
KR100390293B1 (ko) * | 1993-09-21 | 2003-09-02 | 가부시끼가이샤 도시바 | 폴리싱장치 |
KR100487590B1 (ko) * | 1995-08-21 | 2005-08-04 | 가부시키가이샤 에바라 세이사꾸쇼 | 폴리싱장치 |
US5738574A (en) * | 1995-10-27 | 1998-04-14 | Applied Materials, Inc. | Continuous processing system for chemical mechanical polishing |
JP3696690B2 (ja) * | 1996-04-23 | 2005-09-21 | 不二越機械工業株式会社 | ウェーハの研磨装置システム |
JPH10166264A (ja) | 1996-12-12 | 1998-06-23 | Okamoto Kosaku Kikai Seisakusho:Kk | 研磨装置 |
JP3231659B2 (ja) * | 1997-04-28 | 2001-11-26 | 日本電気株式会社 | 自動研磨装置 |
US6213853B1 (en) * | 1997-09-10 | 2001-04-10 | Speedfam-Ipec Corporation | Integral machine for polishing, cleaning, rinsing and drying workpieces |
US6168683B1 (en) * | 1998-02-24 | 2001-01-02 | Speedfam-Ipec Corporation | Apparatus and method for the face-up surface treatment of wafers |
TW393378B (en) * | 1998-04-08 | 2000-06-11 | Applied Materials Inc | Apparatus and methods for slurry removal in chemical mechanical polishing |
JP3045233B2 (ja) * | 1998-10-16 | 2000-05-29 | 株式会社東京精密 | ウェーハ研磨装置 |
JP2000124172A (ja) | 1998-10-19 | 2000-04-28 | Tokyo Seimitsu Co Ltd | ウェーハ加工方法及びその装置 |
-
2000
- 2000-03-23 JP JP2000082995A patent/JP3556148B2/ja not_active Expired - Fee Related
-
2001
- 2001-02-13 GB GB0103539A patent/GB2361448B/en not_active Expired - Fee Related
- 2001-02-14 DE DE10106678A patent/DE10106678B4/de not_active Expired - Fee Related
- 2001-02-15 TW TW090103422A patent/TW471995B/zh not_active IP Right Cessation
- 2001-02-15 KR KR10-2001-0007527A patent/KR100389691B1/ko not_active IP Right Cessation
- 2001-02-20 US US09/789,279 patent/US6494768B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US20010024938A1 (en) | 2001-09-27 |
JP3556148B2 (ja) | 2004-08-18 |
KR100389691B1 (ko) | 2003-06-27 |
GB2361448A (en) | 2001-10-24 |
US6494768B2 (en) | 2002-12-17 |
DE10106678A1 (de) | 2001-10-11 |
GB0103539D0 (en) | 2001-03-28 |
DE10106678B4 (de) | 2005-12-22 |
JP2001274124A (ja) | 2001-10-05 |
GB2361448B (en) | 2002-05-29 |
KR20010092671A (ko) | 2001-10-26 |
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