TW517301B - Polishing slurry for the chemical-mechanical polishing of silica films - Google Patents
Polishing slurry for the chemical-mechanical polishing of silica films Download PDFInfo
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- TW517301B TW517301B TW090131265A TW90131265A TW517301B TW 517301 B TW517301 B TW 517301B TW 090131265 A TW090131265 A TW 090131265A TW 90131265 A TW90131265 A TW 90131265A TW 517301 B TW517301 B TW 517301B
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- 238000005498 polishing Methods 0.000 title claims abstract description 36
- 239000002002 slurry Substances 0.000 title claims abstract description 27
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 23
- 239000000377 silicon dioxide Substances 0.000 title description 4
- 239000008119 colloidal silica Substances 0.000 claims abstract description 8
- 150000003242 quaternary ammonium salts Chemical class 0.000 claims abstract description 6
- 125000000217 alkyl group Chemical group 0.000 claims abstract 4
- 125000004185 ester group Chemical group 0.000 claims abstract 3
- 125000003342 alkenyl group Chemical group 0.000 claims abstract 2
- 125000002877 alkyl aryl group Chemical group 0.000 claims abstract 2
- 125000003710 aryl alkyl group Chemical group 0.000 claims abstract 2
- 229910052736 halogen Chemical group 0.000 claims abstract 2
- 150000002367 halogens Chemical group 0.000 claims abstract 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims abstract 2
- 239000002245 particle Substances 0.000 claims description 7
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical group [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 6
- -1 dilute Chemical group 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 3
- 230000002079 cooperative effect Effects 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 claims 2
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 claims 1
- 239000003082 abrasive agent Substances 0.000 claims 1
- 125000003118 aryl group Chemical group 0.000 claims 1
- 150000003839 salts Chemical group 0.000 claims 1
- 230000000052 comparative effect Effects 0.000 description 10
- 238000000034 method Methods 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- HGUFODBRKLSHSI-UHFFFAOYSA-N 2,3,7,8-tetrachloro-dibenzo-p-dioxin Chemical compound O1C2=CC(Cl)=C(Cl)C=C2OC2=C1C=C(Cl)C(Cl)=C2 HGUFODBRKLSHSI-UHFFFAOYSA-N 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 235000012431 wafers Nutrition 0.000 description 3
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 229940075614 colloidal silicon dioxide Drugs 0.000 description 2
- 239000008367 deionised water Substances 0.000 description 2
- 229910021641 deionized water Inorganic materials 0.000 description 2
- XSXHWVKGUXMUQE-UHFFFAOYSA-N dioxoosmium Chemical compound O=[Os]=O XSXHWVKGUXMUQE-UHFFFAOYSA-N 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000000197 pyrolysis Methods 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 229910052814 silicon oxide Inorganic materials 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- SVPPUWZSAIPFPR-UHFFFAOYSA-N 4-methyl-2-octylpyridine Chemical compound C(CCCCCCC)C1=NC=CC(=C1)C SVPPUWZSAIPFPR-UHFFFAOYSA-N 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 241001106041 Lycium Species 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 239000005441 aurora Substances 0.000 description 1
- FLNKWZNWHZDGRT-UHFFFAOYSA-N azane;dihydrochloride Chemical compound [NH4+].[NH4+].[Cl-].[Cl-] FLNKWZNWHZDGRT-UHFFFAOYSA-N 0.000 description 1
- PXFDQFDPXWHEEP-UHFFFAOYSA-M benzyl-dimethyl-octylazanium;chloride Chemical compound [Cl-].CCCCCCCC[N+](C)(C)CC1=CC=CC=C1 PXFDQFDPXWHEEP-UHFFFAOYSA-M 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 229910021485 fumed silica Inorganic materials 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 239000000017 hydrogel Substances 0.000 description 1
- 238000004518 low pressure chemical vapour deposition Methods 0.000 description 1
- 229910000000 metal hydroxide Inorganic materials 0.000 description 1
- 150000004692 metal hydroxides Chemical class 0.000 description 1
- 238000004377 microelectronic Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
- C09K3/14—Anti-slip materials; Abrasives
-
- 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
- H01L21/31—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to form insulating layers thereon, e.g. for masking or by using photolithographic techniques; After treatment of these layers; Selection of materials for these layers
- H01L21/3105—After-treatment
- H01L21/31051—Planarisation of the insulating layers
- H01L21/31053—Planarisation of the insulating layers involving a dielectric removal step
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09G—POLISHING COMPOSITIONS; SKI WAXES
- C09G1/00—Polishing compositions
- C09G1/02—Polishing compositions containing abrasives or grinding agents
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
- C09K3/14—Anti-slip materials; Abrasives
- C09K3/1454—Abrasive powders, suspensions and pastes for polishing
- C09K3/1463—Aqueous liquid suspensions
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Mechanical Treatment Of Semiconductor (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Silicon Compounds (AREA)
Description
五、發明說明(2) Z於膠體二氧化销的研磨漿,熱解的二氧化石夕懸浮體 :、更寬的顆粒尺寸分布。該寬分布導致來源於熱解的二 =矽的研磨毅在儲存及/或拋光過程中,凝聚或形成沉 讀現象額外地導致_勻_粒尺寸分布。因此,當 7含熱解的二氧切的研磨_,在拋光過的半導體表 b產生諸如表面光潔度不好和微刮痕等缺陷。如果 ^電路(IC)的元件線寬降至0.25㈣或0御m或更小 =這個現象的嚴重性加劇了。因此,屬於膠體二氧化石夕 頒的研磨漿變得更為廣氾流傳。 心研磨水已被開發出來。美國專利5,891那公開 -種用於化學機械法研磨漿的組合物,它包括驗性水性 :政體’該分散體包括二氧化_粒以及二氧化賴粒。 關專利5,264,_公開了—種研磨漿組合物,它包括二 =化鋅、熱解的二氧切和沉殿二氧切等化合物。美國 專利5,139,571公開了—種用於半導體晶片的研磨漿,、它 包括多種纖細磨料顆粒和季銨鹽化合物。美國專利 5,230,833公開了—種製造低金屬含量的二氧切 法。 、,然,’開發具有高的拋光速率、用於化學機械法抛 光、一氧化矽溶膠型的研磨漿的需求仍然存在。 發明描述 因此,本發明的目標為提供一種具有高的拋光速率、 用於化學機械法拋光的研磨疲,並錢用本研磨漿拋光過 -4· 本紙張尺度適用中國國豕標準(CNS)A4規格(21〇 X297公爱) 裝 計 線 經濟部智慧財產局員工消費合作社印製 517301 五 經濟部智慧財產局員工消費合作社印製 A7 B7 發明說明(4) 11 〜12〇 本發明的研磨聚也可以包含驗金屬的氫氧化物,例 如,氫氧化鉀。 下列的實例被用於試圖更完整地解釋本方法 ,以及本 t明的優點’而不是限制其範圍,因為對本領域的技術人 員而言,許多變型及變種顯而易見。 實施例 依據下列敘述,製造實例和比較實例的研磨漿。通過 使用Westech-372拋光機,研磨漿被用來拋光硅晶片上的 :氧化矽薄膜,該薄膜是由低壓CVD(化學氣相沉積法)法 來製造的。表1給出所有結果。通過拋光前與拋光後的薄 膜厚度差除以拋光用時,計算出拋光速率,薄膜厚度由 Nan0spec測得。使用1σ方法測量表面光潔度,從晶片表 面上9個不同的位置測量拋光速率。 貫施例1 使用去離子水把牌號為Levasii(r) 50CK/30%,從拜耳 股份有限公司,Leverkusen購得的膠體二氧化矽溶膠濃度 調郎至含30重量%的二氧化矽。膠體二氧化矽的平均顆 粒尺寸為60〜90nm,比表面為180 m2/g。將〇 8重量%的 有辛基二甲基苄基氯化銨加入至稀釋的二氧化矽溶膠中, 並且徹底地混合該混合物,得到所希望的研磨漿,其pH 二11.2。所有結果列於表i。 -6- 本紙張尺度適國家標準(CNS)A4 210 X 297公髮)
使用與實例1同樣的方法,只不過 釋成含15重量% - & 7 化矽洛膠被稀 一氣化石夕的研磨漿。研磨將沾 11.0。所有結果列於表丨。 π熠水的PH為 比較例1 使用與灵例1同樣的方法,只不過 午基氯化銨。研磨_ ^… > 辛基一甲基 唧德水的pn為11.2。所有結果列於表i。 比較例2 “使用與貫例1同樣的方法,只不過沒有加辛基二甲基 ,基氯化鏔’並且二氧化⑨溶膠被稀釋成含15重量%二 氧化石夕的研純。研磨漿的pH為11.0。所有結果列於表 1 ° 比較例3 用於這個實例的研磨漿為SS 25,它從Cabot 經濟部智慧財產局員工,消費合作社印製
Microelectronics,Aurora,111·,USA 購買的,其含 25 重 量%的熱解的二氧化矽。研磨漿的pH為11.2。 比較例4 使用去離子水把比較實例3所用的SS 25懸浮液稀 釋,得到所想要的研磨漿,該研磨漿包含12·5重量%的熱 -7 - 本紙張尺度適用中國國家標準(CNS)A4規格(210x297公釐) 五 經濟部智慧財產局員工消費合作社印製 發明說明(6) 解的二氧化石夕,並且其 阳為11.0 表
二氧化矽來源 •氧化矽濃度 I**%) 季銨鹽濃度 if*%) 0.8% 0.8% 比較例1 比較例2 比較例 比較例4 膠體二氧化矽 膠體二氧化矽 熱解一氣化發 0 抛光速率 (A/min) 光潔度 (%) ϋ 1.8
仗以上的貫例可以看出,使用膠體二氧化矽型的研磨 漿的拋光速率可以通過加入季銨鹽來提高。 本發明上述優選的實施方案被用於解釋和描述。考慮 到上面的教導,明顯的變例和變種是可能的。已經選擇和 描述了廷些具體實施方案,以給本發明的原理和其實際應 用提供最好的演示,進而以這種方式使本領域的技術人員 使用本發明不同的實施方案,以及適於具體用途的變種。 所有的變例和變種歸於本發明的範圍。 本紙張尺度適用中國國家標準(CNS)A4規格(210 X 297公釐) ά 計
Claims (1)
- 517301 申請專利範圍 A8 B8 C8 D8 專利申請案第90131265號 ROC Patent Appln. No.90131265 修正之申請專利範圍中文本—附件(一) Amended Claims in Chinese - Enel. I (民國91年11月η日送呈) (Submitted on November 7 , 2002) 2. 4. 經濟部智慧財產局員工消費合作社印製 5. 6. 一種用於化學機械法拋光的研磨漿,包含: 5〜50重量%的膠體二氧化矽磨料,以及〇1〜1〇重 量%通式為R4N+X—的季銨鹽,其中,R可以相同或 不同,並且選自於由烧基、稀基、烧基芳基、芳基烧 基以及酯基等基團組成的基團組,X為羥基或自素。 如申請專利範圍第1項所述的研磨漿,其特徵在於, 膠體二氧化矽磨料用量為10〜30重量%,並且季銨 鹽用量為0·3〜5重量%。 如申請專利範圍第1項所述的研磨漿,其特徵在於, R—可以是相同或不同一為一類q—2〇烷基、Ci—2〇烯 基、C7—2〇烧基芳基、C7_2〇芳基烧基或一類酯基。 如申請專利範圍第1項所述的研磨漿,其特徵在於, X為鹵。 如申請專利範圍第4項所述的研磨漿,其特徵在於, 季銨鹽為辛基二甲基苄基氣化銨和鯨蠟基三曱基溴化 錢。 如申凊專利範圍第5項所述的研磨漿,其特徵在於, 季錢鹽為辛基二甲基苄基氣化銨。 如申請專利範圍第1項所述的研磨漿,其特徵在於, 匕還包含驗金屬的氫氧化物。規格(210x297公釐) 90593b 計 線 517301 A8 B8 C8 _D8_ 六、申請專利範圍 8. 如申請專利範圍第7項所述的研磨漿,其特徵在於, 所述氫氧化物為氫氧化鉀。 9. 如申請專利範圍第1項所述的研磨漿,其特徵在於, 22 °C下,它的pH值為9〜12。 10. 如申請專利範圍第1項所述的研磨漿,其特徵在於, 膠體二氧化石夕具有l〇nm〜1 /zm的平均顆粒尺寸。 經濟部智慧財產局員工消費合作社印製 本紙張尺度適用中國國家標準(CNS)A4規格(210 X 297公釐)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10063488A DE10063488A1 (de) | 2000-12-20 | 2000-12-20 | Polierslurry für das chemisch-mechanische Polieren von Siliciumdioxid-Filmen |
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TW517301B true TW517301B (en) | 2003-01-11 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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TW090131265A TW517301B (en) | 2000-12-20 | 2001-12-18 | Polishing slurry for the chemical-mechanical polishing of silica films |
Country Status (17)
Country | Link |
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US (1) | US20020170237A1 (zh) |
EP (1) | EP1217650A1 (zh) |
JP (1) | JP2002246341A (zh) |
KR (1) | KR20020050145A (zh) |
CN (1) | CN1359997A (zh) |
AU (1) | AU9730101A (zh) |
CA (1) | CA2365593A1 (zh) |
CZ (1) | CZ20014586A3 (zh) |
DE (1) | DE10063488A1 (zh) |
HU (1) | HUP0105380A3 (zh) |
IL (1) | IL147165A0 (zh) |
MX (1) | MXPA01013270A (zh) |
NO (1) | NO20016236L (zh) |
NZ (1) | NZ516222A (zh) |
RU (1) | RU2001134183A (zh) |
SG (1) | SG130931A1 (zh) |
TW (1) | TW517301B (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI393770B (zh) * | 2007-03-07 | 2013-04-21 | Anji Microelectronics Co Ltd | 用於拋光多晶矽的化學機械拋光液 |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100396881B1 (ko) * | 2000-10-16 | 2003-09-02 | 삼성전자주식회사 | 웨이퍼 연마에 이용되는 슬러리 및 이를 이용한 화학기계적 연마 방법 |
KR100506056B1 (ko) * | 2002-06-24 | 2005-08-05 | 주식회사 하이닉스반도체 | 산화막용 cmp 슬러리 조성물 및 이를 이용한 반도체소자의 형성 방법 |
KR100474539B1 (ko) * | 2002-07-15 | 2005-03-10 | 주식회사 하이닉스반도체 | 반도체 소자의 제조 방법 |
US7253111B2 (en) * | 2004-04-21 | 2007-08-07 | Rohm And Haas Electronic Materials Cmp Holding, Inc. | Barrier polishing solution |
DE102006008689B4 (de) | 2006-02-24 | 2012-01-26 | Lanxess Deutschland Gmbh | Poliermittel und dessen Verwendung |
JP4836731B2 (ja) * | 2006-07-18 | 2011-12-14 | 旭硝子株式会社 | 磁気ディスク用ガラス基板の製造方法 |
CN101168647A (zh) * | 2006-10-27 | 2008-04-30 | 安集微电子(上海)有限公司 | 一种用于抛光多晶硅的化学机械抛光液 |
CN102766408B (zh) * | 2012-06-28 | 2014-05-28 | 深圳市力合材料有限公司 | 一种适用于低下压力的硅晶片精抛光组合液及其制备方法 |
CN103484024B (zh) * | 2013-09-13 | 2014-10-15 | 上海新安纳电子科技有限公司 | 一种二氧化硅介电材料用化学机械抛光液及其制备方法 |
JP7222750B2 (ja) * | 2019-02-14 | 2023-02-15 | ニッタ・デュポン株式会社 | 研磨用組成物 |
CN110846018A (zh) * | 2019-11-06 | 2020-02-28 | 中国石油集团渤海钻探工程有限公司 | 一种小分子阳离子表面活性剂型防膨剂及其制备方法 |
US20220348788A1 (en) | 2021-04-27 | 2022-11-03 | Rohm And Haas Electronic Materials Cmp Holdings, Inc. | Polishing composition and method of polishing a substrate having enhanced defect reduction |
CN114032035B (zh) * | 2021-10-28 | 2022-06-07 | 常州时创能源股份有限公司 | 硅片碱抛光用添加剂及其应用 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4462188A (en) * | 1982-06-21 | 1984-07-31 | Nalco Chemical Company | Silica sol compositions for polishing silicon wafers |
US5230833A (en) * | 1989-06-09 | 1993-07-27 | Nalco Chemical Company | Low sodium, low metals silica polishing slurries |
US5139571A (en) * | 1991-04-24 | 1992-08-18 | Motorola, Inc. | Non-contaminating wafer polishing slurry |
ATE120433T1 (de) * | 1991-05-28 | 1995-04-15 | Nalco Chemical Co | Polierbreie aus silika mit geringem gehalt an natrium und an metallen. |
JP3810588B2 (ja) * | 1998-06-22 | 2006-08-16 | 株式会社フジミインコーポレーテッド | 研磨用組成物 |
-
2000
- 2000-12-20 DE DE10063488A patent/DE10063488A1/de not_active Withdrawn
-
2001
- 2001-11-21 SG SG200107211-5A patent/SG130931A1/en unknown
- 2001-12-07 EP EP01128485A patent/EP1217650A1/de not_active Withdrawn
- 2001-12-17 US US10/023,172 patent/US20020170237A1/en not_active Abandoned
- 2001-12-17 NZ NZ516222A patent/NZ516222A/xx unknown
- 2001-12-17 CA CA002365593A patent/CA2365593A1/en not_active Abandoned
- 2001-12-18 MX MXPA01013270A patent/MXPA01013270A/es unknown
- 2001-12-18 JP JP2001384490A patent/JP2002246341A/ja active Pending
- 2001-12-18 IL IL14716501A patent/IL147165A0/xx unknown
- 2001-12-18 TW TW090131265A patent/TW517301B/zh not_active IP Right Cessation
- 2001-12-18 CZ CZ20014586A patent/CZ20014586A3/cs unknown
- 2001-12-19 HU HU0105380A patent/HUP0105380A3/hu unknown
- 2001-12-19 NO NO20016236A patent/NO20016236L/no not_active Application Discontinuation
- 2001-12-19 RU RU2001134183/04A patent/RU2001134183A/ru not_active Application Discontinuation
- 2001-12-19 KR KR1020010081028A patent/KR20020050145A/ko not_active Application Discontinuation
- 2001-12-19 AU AU97301/01A patent/AU9730101A/en not_active Abandoned
- 2001-12-20 CN CN01143343A patent/CN1359997A/zh active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI393770B (zh) * | 2007-03-07 | 2013-04-21 | Anji Microelectronics Co Ltd | 用於拋光多晶矽的化學機械拋光液 |
Also Published As
Publication number | Publication date |
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KR20020050145A (ko) | 2002-06-26 |
MXPA01013270A (es) | 2004-05-21 |
CN1359997A (zh) | 2002-07-24 |
EP1217650A1 (de) | 2002-06-26 |
AU9730101A (en) | 2002-06-27 |
RU2001134183A (ru) | 2003-08-27 |
NO20016236D0 (no) | 2001-12-19 |
IL147165A0 (en) | 2002-08-14 |
SG130931A1 (en) | 2007-04-26 |
HU0105380D0 (en) | 2002-02-28 |
CZ20014586A3 (cs) | 2002-08-14 |
HUP0105380A3 (en) | 2002-12-28 |
NZ516222A (en) | 2002-12-20 |
DE10063488A1 (de) | 2002-06-27 |
HUP0105380A2 (en) | 2002-08-28 |
JP2002246341A (ja) | 2002-08-30 |
NO20016236L (no) | 2002-06-21 |
CA2365593A1 (en) | 2002-06-20 |
US20020170237A1 (en) | 2002-11-21 |
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