TW304901B - - Google Patents
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- Publication number
- TW304901B TW304901B TW085110022A TW85110022A TW304901B TW 304901 B TW304901 B TW 304901B TW 085110022 A TW085110022 A TW 085110022A TW 85110022 A TW85110022 A TW 85110022A TW 304901 B TW304901 B TW 304901B
- Authority
- TW
- Taiwan
- Prior art keywords
- cleaning
- cleaning solution
- layer
- present
- metal layer
- Prior art date
Links
- 238000004140 cleaning Methods 0.000 claims description 77
- 239000000243 solution Substances 0.000 claims description 48
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims description 31
- 238000000034 method Methods 0.000 claims description 23
- 229910052751 metal Inorganic materials 0.000 claims description 19
- 239000002184 metal Substances 0.000 claims description 19
- 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 claims description 19
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Natural products N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 17
- 229910001868 water Inorganic materials 0.000 claims description 15
- 239000004065 semiconductor Substances 0.000 claims description 13
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 10
- 239000010931 gold Substances 0.000 claims description 10
- 229910052737 gold Inorganic materials 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 7
- 239000000758 substrate Substances 0.000 claims description 7
- 238000005406 washing Methods 0.000 claims description 7
- 238000011049 filling Methods 0.000 claims description 6
- 239000008367 deionised water Substances 0.000 claims description 5
- 229910021641 deionized water Inorganic materials 0.000 claims description 5
- VMGAPWLDMVPYIA-HIDZBRGKSA-N n'-amino-n-iminomethanimidamide Chemical compound N\N=C\N=N VMGAPWLDMVPYIA-HIDZBRGKSA-N 0.000 claims description 5
- BOLDJAUMGUJJKM-LSDHHAIUSA-N renifolin D Natural products CC(=C)[C@@H]1Cc2c(O)c(O)ccc2[C@H]1CC(=O)c3ccc(O)cc3O BOLDJAUMGUJJKM-LSDHHAIUSA-N 0.000 claims description 5
- 239000011259 mixed solution Substances 0.000 claims description 4
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 2
- 230000002079 cooperative effect Effects 0.000 claims description 2
- 239000010936 titanium Substances 0.000 claims description 2
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 claims 2
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 claims 1
- 229910017974 NH40H Inorganic materials 0.000 claims 1
- 229910001069 Ti alloy Inorganic materials 0.000 claims 1
- 235000019253 formic acid Nutrition 0.000 claims 1
- 150000004767 nitrides Chemical class 0.000 claims 1
- 210000003625 skull Anatomy 0.000 claims 1
- 239000010410 layer Substances 0.000 description 24
- 239000002245 particle Substances 0.000 description 14
- 229920000642 polymer Polymers 0.000 description 11
- 230000003628 erosive effect Effects 0.000 description 8
- -1 ammonia (NH «OH) Chemical compound 0.000 description 7
- 235000011114 ammonium hydroxide Nutrition 0.000 description 5
- 239000001257 hydrogen Substances 0.000 description 5
- 229910052739 hydrogen Inorganic materials 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 description 3
- RZDQHXVLPYMFLM-UHFFFAOYSA-N gold tantalum Chemical compound [Ta].[Ta].[Ta].[Au] RZDQHXVLPYMFLM-UHFFFAOYSA-N 0.000 description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Natural products C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- 240000004808 Saccharomyces cerevisiae Species 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000001312 dry etching Methods 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- GPRLSGONYQIRFK-UHFFFAOYSA-N hydron Chemical compound [H+] GPRLSGONYQIRFK-UHFFFAOYSA-N 0.000 description 2
- KKFDCBRMNNSAAW-UHFFFAOYSA-N 2-(morpholin-4-yl)ethanol Chemical compound OCCN1CCOCC1 KKFDCBRMNNSAAW-UHFFFAOYSA-N 0.000 description 1
- 125000000022 2-aminoethyl group Chemical group [H]C([*])([H])C([H])([H])N([H])[H] 0.000 description 1
- RPNUMPOLZDHAAY-UHFFFAOYSA-N Diethylenetriamine Chemical compound NCCNCCN RPNUMPOLZDHAAY-UHFFFAOYSA-N 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 description 1
- 241000209140 Triticum Species 0.000 description 1
- 235000021307 Triticum Nutrition 0.000 description 1
- 229910052770 Uranium Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000002242 deionisation method Methods 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- BDUPRNVPXOHWIL-UHFFFAOYSA-N dimethyl sulfite Chemical compound COS(=O)OC BDUPRNVPXOHWIL-UHFFFAOYSA-N 0.000 description 1
- 238000010981 drying operation Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- JJWLVOIRVHMVIS-UHFFFAOYSA-N isopropylamine Chemical compound CC(C)N JJWLVOIRVHMVIS-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002923 metal particle Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- AJFDBNQQDYLMJN-UHFFFAOYSA-N n,n-diethylacetamide Chemical compound CCN(CC)C(C)=O AJFDBNQQDYLMJN-UHFFFAOYSA-N 0.000 description 1
- 150000004032 porphyrins Chemical class 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- RWRDLPDLKQPQOW-UHFFFAOYSA-N tetrahydropyrrole Substances C1CCNC1 RWRDLPDLKQPQOW-UHFFFAOYSA-N 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 229910021654 trace metal Inorganic materials 0.000 description 1
- DNYWZCXLKNTFFI-UHFFFAOYSA-N uranium Chemical compound [U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U] DNYWZCXLKNTFFI-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
- C11D7/02—Inorganic compounds
- C11D7/04—Water-soluble compounds
- C11D7/08—Acids
-
- 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
- H01L21/02041—Cleaning
- H01L21/02057—Cleaning during device manufacture
- H01L21/02068—Cleaning during device manufacture during, before or after processing of conductive layers, e.g. polysilicon or amorphous silicon layers
- H01L21/02071—Cleaning during device manufacture during, before or after processing of conductive layers, e.g. polysilicon or amorphous silicon layers the processing being a delineation, e.g. RIE, of conductive layers
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
- C11D7/22—Organic compounds
- C11D7/26—Organic compounds containing oxygen
- C11D7/261—Alcohols; Phenols
-
- 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
- H01L21/02041—Cleaning
- H01L21/02043—Cleaning before device manufacture, i.e. Begin-Of-Line process
- H01L21/02052—Wet cleaning only
-
- 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
- H01L21/02041—Cleaning
- H01L21/02057—Cleaning during device manufacture
- H01L21/0206—Cleaning during device manufacture during, before or after processing of insulating layers
- H01L21/02063—Cleaning during device manufacture during, before or after processing of insulating layers the processing being the formation of vias or contact holes
-
- C11D2111/22—
Description
經濟部中央標準局員工消费合作社印製 304901 A7 _B7 _ 五、發明説明(1 ) 本發明係有關洗淨半導體装置之一種洗淨液,更詳细 地,係有闞洗淨半導體装置之金臈層之一種洗淨液及使用 該洗淨液之洗淨方法。 生產半導體裝置時,當半導體裝置麥得高度整合時, 很重要地在電路配線時去除缺陷。因此,洗淨方法重複地 在装置上進行•在其生產過程可達數十次。該洗淨方法去 除灰塵、微粒、有櫬物質、無機物質及各種重金靨雄子。 即,該洗淨方法之進行目的係除去半専體装置電路板之不 利的外來物質,及在該洗淨方法中廣泛地包括一種蝕刻方 法。 在洗淨其上具有金屬層的半導體受質時,洗淨溶液包 括一種胺如氨基乙基暱啶•異丙基胺,羥乙基嗎啉,氨基 酵,二乙烯三胺,及一棰溶劑如N-甲基-2-吡咯烷萌(NMP) ,二甲基亞風(DMSO),二甲基乙豳胺(DMAC),AMF,磺酸 鹽,BLO,或其混合物,係用於去除於形成在金屬圃上的 光電接觸孔及金屬層間的金屬間介電膜所產生的聚合物。 然而,在這種情況下,實質的金屬層是化學侵蝕的, 其使得無法維持如所設計的電阻及導電性。為了將對金属 層之侵蝕滅至最小及輕易地去除在乾燥蝕刻法中所產生的 聚合物,在洗淨方法中使用另一種洗淨液,即含有DMAC及 二乙酵胺之NP-935。然而,這種溶液去除微粒的能力差。 因此,在上述洗淨方法後,需要進行進一步洗淨的方法, 其採用專門用來去除微粒的洗淨液,稱作SC-1 ,包括氨 (NH«OH),過氧化氫(H2〇2)及去維子水(DI-H20)。 本紙張尺皮逋用中國國家標準(CNS ) A4規格(210 X 297公釐) I----^-----f 裝-----「訂":------f i (請先閲讀背面之注意事項再填寫本頁) 經濟部中央標準局員工消费合作社印製 A7 B7 五、發明説明(2 ) 為了解決上述問題,因此本發明之目標之一為提供以 不會腐蝕金靥層一種軍一洗淨方法而能去除聚合物及微粒 之一種洗淨液。 本發明的另一涸目檷為提供使用該洗淨液之用於半導 賵装置之一種洗淨方法。 為了達成第一個目標,提供用於洗淨半導體裝置之金 麗層之一種洗淨液,該溶液包括含水的氨(NIUOH) ·甲酵 (CH3OH),氫氟酸(HF)及去離子水(H20)。 該洗淨液之NH4OH,CH3OH及H20之混合比例為1比1〜 50比0.1〜50體積。HF對NiUOH,CHaOH及HaD之混合溶液為 1〜10,000ppm比 1。 為了達成本發明之第二個目標,提供了洗淨半導體受 質上的金羼層之一種方法,該方法包括洗淨其上形成有金 靥層之半導體受質之步驟,使用由含水的氨(NH4〇H),甲 酵(CH30H),氫氟酸(HF)及去離子水(H20)姐成之洗淨液。 該洗淨液的溫度為2 0〜lOOtJ,而較佳為45¾。洗淨 步驟之洗淨時間為8小時或更少;而較佳為10分鐘或更少 。同時*該金屬層係由2層鈦或一氮化钛,及鋁合金所組 成。 本發明之上述目標及優點將藉由詳细描述較佳實施例 及參考附画而更清楚,其中: 第1圖顯示依本發明之一種洗淨液組成之金屬層侵蝕 第2圖說明了依據傳統技藝及本發明之洗淨液之微粒 本紙張尺度適用中國國家標準(CNS ) A4規格(210X 297公釐) ----------裝-----^I訂;-----線 (請先閱讀背面之注意事項再填寫本頁) S〇49〇x A7 B7__ 五、發明説明(3 ) 去除能力之比較圖; (請先閲讀背面之注意事項再填寫本頁) 第3及第4圖為掃瞄電子顯微鏡(SEM)圃Μ比較依據 傳統技藝及本發明之洗淨液之去除聚合物能力; 第5圓顯示依據本發明之洗淨液之氫離了濃度; 第6_顯示依據本發明之洗淨液之氫離子濃度隨時間 之改變;及 第7圖顯示依據本發明之洗淨液隱時間之凹漥侵蝕密 度。 如本發明之洗淨液由含水的氨(NIUOH),甲酵(CH30H) ,氫氨酸(HF)及去離子水(H20)所組成。 該含水的氨具有1〜50¾之純度,甲酵具有90〜1003;純 度及氫氟酸具有1〜60X純度。同時,該洗淨液之體積混合 比例,ΝΗ*ΟΗ : CH30H : H20為 1 : 1〜50 : 0. 1〜50 〇 HF的髖 積對應於NH*OH,CH30H及水之混合溶液為1〜l〇,〇〇〇PPm。 然後,當使用如本發明之洗淨液洗淨其上形成有金屬 層之半導體受質時,侵蝕及去除聚合物及微粒之能之能力 將於此述之。 第1圖顯示依如本發明之洗淨液之組成之金羼靥侵蝕 經濟部中央標準局員工消費合作社印製 Ο 詳迪地,顯示當使用由N1UOH,CH3OH及水K體積比例 1: 10: 1所形成之混合溶液及添加500〜30,OOOppm的HF 而製成之洗淨液來洗淨其上形成有金屬層之半導體 受質時,依所添加HF的董之侵蝕。在此,X軸代表HF 之添加量而Y軸代表金鼷屬之侵蝕。金鼷層之侵蝕增加直 本紙張尺度適用中國國家標準(CNS ) A4規格(210X297公釐) 經濟部中央標準局貝工消費合作社印製 A7 B7 五、發明説明(4 ) 至HF達到600〜700ppm,但之後逐漸降低。若HF之添加量 超過2,0 0 0ρριιι ·金屬層之侵蝕幾乎麥為零。該反應可Μ下 列闞係解釋。 ΝΗ4〇Η -♦ NH4+ + OH" …① HF -» H+ + F' …② F (aq.) + H20 ** NH4+ + OH' + HF (under NH3 atmosphere) · ·.③ In①and②, -=» NH4+ + F' + H+ + OH' =» nh4f + h2o 在關係式@中*氟離子(F_)和水(H80)反應而產生氫 氧根雄子(OH·),但該反應方向會依NH3氣下之氫氟酸(HF) 的量而改麥。更詳ffl地,在NH3氣體下,若HF的量很少 (60 0〜7 0 Qppn或更少),反應正向進行而產生氫氧根離子 。然而,若〇增加(至60 0〜7 0卟9111或更多),反應逆向進 行而減少氫氧根離子(一種OH-消失反應)。因此,當HF的 量增加,氫氧根離子的存在減少,因而減少金屬層之侵鈾 Ο 第2圖顯示如傳铳習知技藝及本發明之洗淨液之微粒 去除能力之比較圖。 詳细地,本發明洗淨液之微粒去除能力和傳铳洗淨液 NP-935及SC-1比較。傳统洗淨液NP-93 5之微粒去除能力僅 為1Q3:,而本發明之洗淨液為8QX。同時,和在傳統洗淨液 中具有最好的去除能力之SC-Ι比較,本發明洗淨液之微粒 去除能力和SC-1相似。 第3及第4画為比較習知技藝及本發明之洗淨液之聚 本紙張尺度適用中國國家標準(CNS ) A4規格(210X 297公釐) I-_-----f 裝-----—訂叫·----- (請先閲讀背面之注意事項再填寫本頁) 經濟部中央揉準局負工消費合作社印製 A7 B7 五、發明説明(5 ) 合物去除能力之描瞄電子顯微鏡(SEM)圖。 詳细地,聚合物係在以乾燥蝕刻法蝕刻金屬層時所產 生。若聚合物在除去光霣後仍未去除的話,會對後蹟之金 雇層之澱積作用有不利之影響,即增加接觸阻力。因此, 必霈去除聚合物。若在其上具有金屬層之受質K本發明之 洗淨液洗淨*本發明之洗淨液之聚合物去除能力不低於傳 統洗¥液fJP-2 95 (第3BB)之能力,但顯示較高的能力,如 第4画所示。NP-935洗淨液一般在70¾的溫度進行超過30 分鐘,及該洗淨液需用異丙基酵及去雄子水沖洗約3分鐘 ,即使用NP-935需要一段長的操作時間。 相反地,如本發明之洗淨方法僅需1至10分鐘之沖洗 操作及在2QC〜lQQt:溫度,較佳45C,之旋轉乾燥操作 *該洗淨操作時間可縮短10分鐘Μ上。 接著,將敘述和隨時間之去除微粒及凹漥侵蝕密度有 關之洗淨液之氫維子濃度。 第5圖顯示如本發明之洗淨液之氫離子灌度。 詳细地,當NIUOH對CH30H對HaO之體積比例為1: 10: 1時,在第5圃顯示依HF添加霣而定之氫離子濃度(PH)。 在添加HF前,pH值為11。然而,當添加HF時,pH逐漸降低 ,直至當HF約添加lQ,00Qppm時pH約9。已知最逋合去除微 粒的PH值為9〜10。因此,本發明洗淨液的pH值逋合此目 的。 第6圖顯示如本發明之洗淨液的氫雄子随時間之變化 本紙伕尺度適用中國國家標準(CNS ) A4規格(210X297公釐) ---------f Ά------ΐτ------ (請先聞讀背面之注意事項再填寫本頁) 經濟部中央揉準局員工消費合作社印製 S04901 A? _B7_ 五、發明説明ί: 6 ) 詳细地,自如本發明之洗淨液生產開始,隨時間测試 PH值之變化。參照第6圖,即使該洗淨液生產8小時候, PH值亦無重大改變。更詳细地,在8小時後,起初9.6之 pH值改變為9 . 2。即,該洗淨液在8小時内完全進行其功 效。然而,在8小時後,該溶液的組成物顯著的蒸發。因 此,較佳另外添加組成該洗淨液之各個組成物。 第7圈顯示如本發明之洗淨液之隨時間的凹漥侵蝕。 詳细地,將具有金羼層的試樣浸於本發明的洗淨液, 及観察其凹灌密度8小時。凹漥侵独為一種侵蝕現象,其 中在金屬的微粒範圍當地取走特定部分。在8小時中凹漥 密度很少改變,其為該洗淨液之可取得的有效時間。用於 本發明之試樣為澱積金屬層及流動金屬層。該二種金屬靥 的特激並無差別,但微粒範圍之大小方面,流動金靨層約 為澱積金靥層之1Q倍大。 本發明的洗淨溶液具有相當於傳統的NP-93 5之聚合物 去除能力及相當於傳統SC-1之微粒去除能力。因此 ,該二操作,一直分別進行,可簡化成一個單一洗淨操作 。本發明之洗淨液可藉由單纯混合各別組成物而製成。同 時,本發明之洗淨液能在短時間内去除聚合物及微粒,而 不致蝕刻或破壞已洗淨之金屬表層。因此,因簡化了半導 «装置之洗淨方法,而降低了操作成本及增加了產逢及可 靠性。 雖本發明已詳细敘述,本敘述並不意諝以限制之觀點 來閫釋。在參考本敘述時,說明實施例及發明的其他實施 例的各種修正,將是習知技蕤者所清楚的。 本紙乐尺度適用中國國家標準(CNS ) A4規格(210X297公釐) -----^-----'裝-----Ί訂·;------^ ^ (請先閱讀背面之注意事項再填寫本頁)
Claims (1)
- A8 B8 C8 D8 、申請專利範圍 1. 用於洗淨半導趙装置之金羼層的一種洗淨溶液,其中 該溶液由含水的氨(NIUOH),甲酵(CH3〇H),氫氟酸(H F)及去離子水(H20)所組成,NH40H對CHaOH對H2〇之髏 積比例為1比1〜50比0.1〜50,而對應於NH4〇H,CH3〇 Η及H20之混合溶液之HF的體積為1〜10,0 0 0ppm。 2. 洗淨半導體裝置上的金羼層的一種方法,該方法包括 使用由含水的氨(NIU0H)甲酵(CHaOH),氫氟酸(HF)及 去離子水(ihO)組成之一種洗淨液洗淨其上形成有該 金靥層之該半導粗受質的步驟。 3. 如申請專利範圍第2項之半導體装置的一種洗淨方法 ,其中該洗淨液的溫度為2 0〜100C。 4·如申請專利範圍第2項之半導體裝置之一種洗淨方法 ,其中該洗淨步驟之洗淨時間為1〜10分鐘。 5. 如申請專利範園第2項之半導髏装置之一種洗淨方法 *其中該金屬層由雙層之鈦及鋁合金製成。 6. 如申誚專利範圍第2項之半専體装置之一種洗淨方法 ,其中該金属層由雙層之一氮化呔及鋁合金製成。 ------_-----f 裝-----Ί 訂 1------^ ^ (請先閲讀背面之注意事項再填寫本頁) 經濟部中央標準局貝工消费合作社印製本紙張家縣(CNS ) A4^ ( 21GX297公釐)
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KR1019950025459A KR0147659B1 (ko) | 1995-08-18 | 1995-08-18 | 반도체 장치의 세정에 사용되는 세정액 및 이를 이용한 세정방법 |
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EP (1) | EP0762488B1 (zh) |
JP (1) | JP3759789B2 (zh) |
KR (1) | KR0147659B1 (zh) |
DE (1) | DE69632107T2 (zh) |
TW (1) | TW304901B (zh) |
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KR100252223B1 (ko) * | 1997-08-30 | 2000-04-15 | 윤종용 | 반도체장치의 콘택홀 세정방법 |
US6440647B1 (en) | 1998-02-26 | 2002-08-27 | Alpha Metals, Inc. | Resist stripping process |
JP3161521B2 (ja) * | 1998-03-13 | 2001-04-25 | 日本電気株式会社 | 半導体装置の製造方法および洗浄装置 |
US6248704B1 (en) | 1999-05-03 | 2001-06-19 | Ekc Technology, Inc. | Compositions for cleaning organic and plasma etched residues for semiconductors devices |
KR102506031B1 (ko) | 2018-07-13 | 2023-03-03 | 동우 화인켐 주식회사 | 반도체 기판 세정액 및 이를 이용한 반도체 기판 세정 방법 |
KR102506026B1 (ko) | 2018-07-18 | 2023-03-03 | 동우 화인켐 주식회사 | 반도체 기판 세정액 및 이를 이용한 반도체 기판 세정 방법 |
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US4215005A (en) * | 1978-01-30 | 1980-07-29 | Allied Chemical Corporation | Organic stripping compositions and method for using same |
US4343677A (en) * | 1981-03-23 | 1982-08-10 | Bell Telephone Laboratories, Incorporated | Method for patterning films using reactive ion etching thereof |
US4778532A (en) * | 1985-06-24 | 1988-10-18 | Cfm Technologies Limited Partnership | Process and apparatus for treating wafers with process fluids |
JPS63114128A (ja) * | 1986-10-31 | 1988-05-19 | Showa Denko Kk | 表面処理液 |
JPH069195B2 (ja) * | 1989-05-06 | 1994-02-02 | 大日本スクリーン製造株式会社 | 基板の表面処理方法 |
JP2852355B2 (ja) * | 1989-06-26 | 1999-02-03 | ステラケミファ株式会社 | 微細加工表面処理剤 |
JP2553946B2 (ja) * | 1990-02-20 | 1996-11-13 | 信淳 渡辺 | 基板表面処理用ガスの供給方法 |
JP2866161B2 (ja) * | 1990-07-23 | 1999-03-08 | 株式会社ピュアレックス | 洗浄液用添加剤 |
JP3064060B2 (ja) * | 1991-09-20 | 2000-07-12 | ステラケミファ株式会社 | 微粒子の含有量の少ない微細加工表面処理剤 |
JP3264405B2 (ja) * | 1994-01-07 | 2002-03-11 | 三菱瓦斯化学株式会社 | 半導体装置洗浄剤および半導体装置の製造方法 |
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1995
- 1995-08-18 KR KR1019950025459A patent/KR0147659B1/ko not_active IP Right Cessation
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1996
- 1996-07-30 EP EP96305578A patent/EP0762488B1/en not_active Expired - Lifetime
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- 1996-08-15 US US08/698,368 patent/US5876509A/en not_active Expired - Lifetime
- 1996-08-16 TW TW085110022A patent/TW304901B/zh not_active IP Right Cessation
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DE69632107D1 (de) | 2004-05-13 |
KR970010936A (ko) | 1997-03-27 |
KR0147659B1 (ko) | 1998-08-17 |
DE69632107T2 (de) | 2005-03-03 |
EP0762488A3 (en) | 1997-09-10 |
EP0762488B1 (en) | 2004-04-07 |
EP0762488A2 (en) | 1997-03-12 |
JPH0959685A (ja) | 1997-03-04 |
US5876509A (en) | 1999-03-02 |
JP3759789B2 (ja) | 2006-03-29 |
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