TWI387612B - 使用乙烯醚交聯劑的抗反射塗層 - Google Patents
使用乙烯醚交聯劑的抗反射塗層 Download PDFInfo
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Description
本發明係由獲自美國軍方太空和飛彈防禦指揮部(U.S.ArmySpace and Missile Defense Command)、合約號DASG60-01-C-0047的政府資助達成。美國政府對此發明具有部分權利。
本申請案主張2004年4月29日提出申請的臨時申請案序號60/566,329,名稱ANTI-REFLECTIVE COATING USING VINYL ETHER CROSSLINKERS的優先權益,該案以引用方式併於本文。
本發明係有關新穎可濕式顯像的抗反射塗覆組成物與使用彼等的方法。
隨著特徵尺寸縮小到小於100奈米,需要用到新的且更進步之材料來達到半導體工業所設定的目標。光阻劑和底部抗反射塗層兩者都有需要改良以達到高解析度微影術(lithography)之標地。例如,在底部抗反射塗層和基板蝕刻等步驟中發生的阻劑厚度流失會變成一項關鍵性問題,因為新的阻劑比舊世代的材料遠較為薄之故。雖然阻劑厚度有減低,不過底部抗反射塗層的厚度並未預期會以相同的比率減少,此使得阻劑流失的問題進一步複雜化。對於此項問題的解決之道為經由使用可濕式顯像的底部抗反射塗料來免除底部抗反射塗層蝕刻步驟。
可濕式顯像的底部抗反射塗料係典型地利用可溶於鹼性介質內的聚醯胺酸作為聚合物黏合劑,因而使得在將阻劑顯像時可以移除底部抗反射塗層。此等傳統可濕式顯像的底部抗反射塗料可利用熱驅動的醯胺酸-變成-醯亞胺的轉化而使其不溶於阻劑溶劑之內。此程序可良好地操作,不過,其具有兩項限制:(1)使底部抗反射塗層保持不溶於有機溶劑中但是可溶於鹼性顯像劑的烘烤溫度窗可能為狹窄的(小於10℃);及(2)濕式顯像程序係各向同性者(isotropic),亦即底部抗反射塗層在垂直方向的移除速率係與在水平方向的移除速率相同,此會導致阻劑線的倒切(undercutting)。雖然此對於較大的幾何(大於0.2微米)不構成問題,不過其可能在較小的線尺寸之下容易導致線的掀起與線崩潰。
本發明係經由提供於微電子裝置的製造中有用之新穎可濕式顯像組成物而解決先前技藝可濕式顯像的抗反射塗料之問題。
更詳細言之,本發明組成物包括經溶解或分散於溶劑系統內的選自由聚合物、低聚物、和彼等的混合物所構成群組之化合物。該化合物在該組成物內的含量,在將該組成物內的所有成分之總重量定為100重量%的基準之下,為從約0.5至10重量%,較佳者為從約0.5至5重量%,且甚至更佳者為從約1至4重量%。
若該化合物為一種聚合物,其平均分子量較佳者為從約1,000-100,000道耳吞(Daltons),且更佳者為從約1,000-25,000道耳吞。較佳的聚合物包括選自由脂族聚合物、丙烯酸酯、甲基丙烯酸酯、聚酯、聚碳酸酯、酚醛樹脂(novolaks)、聚醯胺酸、和彼等的混合物所構成的群組。
若該化合物為一種低聚物,其平均分子量較佳者為從約500-3,000道耳吞,且更佳者為從約500-1,500道耳吞。較佳的低聚物包括經取代和未經取代的丙烯酸酯、甲基丙烯酸酯、酚醛樹脂、異氰尿酸酯、環氧丙基醚、和彼等的混合物。
不論該化合物為聚合物或為低聚物,且不論聚合物骨架或低聚物核心的構造為何,較佳者為該化合物要包括一酸官能基。該酸基在該化合物中的含量較佳者,在將該化合物的總重量定為100重量%的基準之下,為至少約5重量%,較佳者為從約5至90重量%,且甚至更佳者為從約5至50重量%。較佳的酸基為苯酚系以外的基,例如羧酸(-COOH)。
不同於先前技藝組成物,該酸基較佳者係不被保護基所保護者。亦即,有至少約95%,較佳者至少約98%,且更佳者約100%的酸基係不含保護基者。保護基為可防止酸成為易反應的基。
因為於本發明中不需要保護基,所以也為較佳的是該化合物不是酸敏感性者。酸敏感性聚合物或低聚物為含有在酸存在中會被移除、分解或其他方式的轉化之保護基者。
於另一具體實例中,可以利用經保護酸基和未經保護酸基的組合。於此等具體實例中,經保護酸基對未經保護酸基的莫耳比例為從約1:3至約3:1,且更佳者為從約1:2至約1:1。
也為較佳者的是本發明組成物包括一發色團(光衰減性化合物或部分體)。該發色團可以與化合物鍵結(可鍵結到聚合物上面的官能基或直接鍵結到聚合物骨架或低聚物核心),或者可以單純地將該發色團物理地混合到組成物之內。該發色團在組成物內的含量在將該化合物的總重量定為100重量%的基準之下,應為約5-50重量%,且較佳者為約20-40重量%。發色團係根據處理組成物所用到的波長而選擇。例如,對於248奈米的波長,較佳的發色團包括萘類(例如,萘甲酸甲基丙烯酸酯、3,7-二羥基萘甲酸),雜環系發色團,咔唑類,蒽類(例如,甲基丙烯酸9-蒽甲酯,9-蒽羧酸),與前述諸官能部分體。對於193奈米的波長,較佳的發色團包括經取代和未經取代的苯基類,雜環系發色團(例如,呋喃環、噻吩環),與前述諸官能部分體。較佳的本發明組成物也包括交聯劑。
較佳的交聯劑為乙烯醚交聯劑。較佳的是該乙烯醚交聯劑為多官能型,且更佳為三官能型和四官能型者。
較佳的乙烯醚交聯劑具有下式R-(X-O-CH=CH2
)n
,其中R係選自由芳基(較佳者C6
-C1 2
)與烷基(較佳者C1
-C1 8
、且更佳者C1
-C1 0
)所構成的群組;各X為獨立地選自由烷基(較佳者C1
-C1 8
、且更佳者C1
-C1 0
)、烷氧基(較佳者C1
-C1 8
、且更佳者C1
-C1 0
)、羧基和二或多種前述基的組合所構成的群組;且n為2-6。最佳的乙烯醚交聯劑包括選自由乙二醇乙烯醚、三甲醇基丙烷三乙烯基醚、1,4-環己烷二甲醇基二乙烯基醚、和彼等的混合物所構成的群組。另一較佳的乙烯醚交聯劑具有選自由
所構成的群組。
較佳的組成物也包括一觸媒。較佳的觸媒為酸產生劑,且特別是光酸產生劑(“PAG”,離子性及/或非離子性者)。可以在光存在中產生酸的任何PAG都是適合所用者。較佳的PAG包括鎓鹽(例如,全氟磺酸三苯基鋶例如全氟丁烷磺酸三苯基鋶和三氟甲烷磺酸三苯基鋶),肟-磺酸鹽類(例如,CIBA以CGI名出售者),與三類(例如可得自Midori Kagaku Company的TAZ108)。
該等組成物較佳包括,在該組成物的聚合物和低聚物固體的總重量定為100重量%的基準之下,從約0.1-10重量%的觸媒,且更佳者從約1-5重量%的觸媒。
要了解的是於該組成物中也可以包括許多種其他的選用成分。典型的選用成分包括界面活性劑、胺鹼、和黏著促進劑。
不論具體實例為何,該抗反射組成物係單純地經由將聚合物、低聚物、或彼等的混合物分散或溶解在適當的溶劑系統內,較佳為在周圍條件之下且施予一段足夠的時間以形成實質均勻的分散液。其他成分(例如,交聯劑、PAG)較佳地與該化合物一起分散或溶解在溶劑系統之內。
較佳的溶劑系統包括選自由丙二醇甲基醚乙酸酯(PGMEA)、丙二醇甲基醚(PGME)、丙二醇正丙基醚(PnP)、乙酸乙酯、和彼等的混合物所構成群組之溶劑。較佳者,該溶劑系統具有從約50-250℃,且更佳者從約100-175℃之沸點。該溶劑系統應該以在將該組成物的總重量定為100重量%的基準之下,從約80-99重量%,且較佳者從約95-99重量%的含量使用。
將該組成物塗布到一基板(例如微電子基板)之方法單純地包括將一量的該組成物以任何已知的塗布方法(包括旋塗)塗布在基板表面。該基板可以為任何習用的電路基板,且適用的基板可為平面者或可包括面形(topography)(例如,接觸或通孔(via holes),溝槽)。範例基板包括矽、鋁、鎢、矽化鎢、砷化鎵、鍺、鉭、氮化鉭、SiGe、低κ介電層、介電層(例如氧化矽)、和離子植入層。
於達到所欲的覆蓋範圍之後,應該將所得層加熱到從約100-250℃,且較佳者從約120-200℃之溫度以誘導層內的化合物之交聯。於聚合物或低聚物包括一羧酸基且交聯劑為乙烯醚交聯劑的具體實例中,經交聯的聚合物或低聚物會包括具有下式的縮醛鍵聯
交聯層係經充足地交聯使得其實質地不溶於典型的光阻劑溶劑內。如此,在施予剝離試驗之時,本發明塗層具有低於約5%,較佳者低於約1%,且甚至更佳者約0%之百分剝離率。剝離試驗包括先測定固化層的厚度(採取5個不同位置的測量之平均值)。此為平均起始膜厚度。其次,將溶劑(例如,乳酸乙酯)傾倒在固化膜上面攪和約10秒鐘,接著以約2,000-3,500 rpm旋轉乾燥約20-30秒鐘以移除掉溶劑。然後使用橢圓偏光測定法(ellipsometry)再測量晶圓上面五個不同點處的厚度,且測定出此等測量值的平均值。此為平均最後膜厚度。
剝離量為在起始與最後平均膜厚度之間的差值。百分剝離率為:%剝離率=(剝離量/起始平均膜厚度)X 100交聯層也具有優良的光吸收度。在所用的波長之下(例如,157奈米、193奈米、248奈米、365奈米),此等固化抗反射層或塗層的n值為至少約1.3,且較佳者為從約1.4-2.0,而κ值為至少約0.1,且較佳者為從約0.2-0.8。在所用的波長之下(例如,157奈米、193奈米、248奈米、365奈米),固化層的OD為至少約5/微米,較佳者為從約5-15/微米,且甚至更佳者為從約10-15微米。
於諸層經固化之後,可以視需要進行特別製造程序所用的其他步驟。例如,於固化層上可以施加光阻劑且隨後經由暴露於恰當波長的光接著將曝光過的光阻劑顯像予以圖案化。有利的是隨著光阻劑的曝光,本發明塗層也跟著曝光。於曝光之際,會從PAG產生酸,且此酸會將層內的化合物“脫交聯”。亦即,該酸會斷裂在化合物與交聯劑之間於熱交聯後形成的鍵。當聚合物或低聚物上面的酸基為羧酸時,脫交聯會導致原來存在於組成物內的相同聚合物或低聚物之形成且也形成醇和乙醯基醛(acetylaldehyde)。此反應係顯示於下面的反應方案之中(其中R表聚合物骨架或低聚物核心,且R’表乙烯醚交聯劑的其餘部分)。
要了解的是於發生此脫交聯之後,可使本發明塗層變成可濕式顯像。亦即,業經曝光過的固化組成物可以使用習用的水性顯像劑例如氫氧化四甲基銨和KOH等顯像劑予以實質地(且較佳者完全地)移除掉。某些此等顯像劑可以PD523AD(可得自JSR Micro)、MF-319(可得自Shipley,Massachusetts)、和NMD3(可得自TOK,Japan)顯像劑等名購得。至少約95%,較佳者至少約99%,且甚至更佳者100%的本發明塗層可用鹼顯像劑例如氫氧化四甲銨及/或KOH顯像劑移除掉。此種於曝光之後在市售顯像劑中的高百分溶解度明顯地優於先前技藝,因為此可以縮短製造過程且使其耗費較低之故。
下面的實施例敘述出根據本發明的較佳方法。不過,要了解者,此等實施例係經提出作為示範說明且其中絕無視為對本發明的整體範圍給予限制。
反應係在一250-毫升,3-頸圓底燒瓶內於N2
下進行。Na塊在使用之前用己烷沖洗以移除礦物油,快速置於一管瓶之內以稱重,然後轉移到裝有50毫升THF的燒瓶內。將醇在THF(20毫升)中的溶液透過加液漏斗逐滴加入(約15分鐘),然後加熱到回流直到全部的Na溶解為止(約30分鐘)。該溶液為淡黃色且均勻。將溶解在THF(15毫升)內的四溴杜烯(tetrabromo durene)滴加到反應燒瓶內(約30分鐘),且使其回流整個晚上。於添加之後,混合物變成異相(NaBr沉澱)。
於冷卻之後,過濾出該鹽且用THF沖洗。於一旋轉蒸發器內移除THF,且將剩餘的油再溶解於CHCl3
(25毫升)內。用水(2 x 25毫升)萃洗氯仿溶液,接著用食鹽水(飽和NaCl,25毫升)萃洗。將有機層通過氧化矽凝膠床予以乾燥。移除溶劑。將產物置於真空中進一步乾燥。
將乙二醇乙烯醚(6克)和三乙胺(7.5毫升)在乙醚(40毫升)中混合且使用苯均三酸氯(6克)的乙醚溶液(40%)逐滴處理。於添加之後,將混合加熱到回流1.5小時。過濾移除殘留鹽,且使用10% NaOH(2 x 25毫升)萃洗乙醚溶液,再用水(25毫升)萃洗,然後以無水硫酸鎂乾燥。於壓力下移除溶劑之後,收集到淡黃色油狀物(69%產率)。
將甲基丙烯醯氧基乙基苯二甲酸酯均聚物(28.9毫莫耳,得自Aldrich)和2,2’-偶氮異丁腈(“AIBN”,0.58毫莫耳自由基起始劑,得自Aldrich)在50毫升四氫呋喃(“THF”,得自Aldrich)內於氮氣氛圍下混合且加熱到回流15小時。讓該反應冷卻,濃縮到約25毫升,然後在200毫升己烷內沉澱。於過濾和乾燥之後,收集到約8克留下的白色粉末。使用聚苯乙烯標準品與膠透層析術(“GPC”)測量聚合物的分子量(“Mw”)且測得為68,400。
按照下述製備一193-奈米底部抗反射塗料:製備一包含乳酸乙酯(“EL”,得自General Chemical)、上面所製的聚合物、28重量%的Vectomer 5015(一種得自Aldrich的乙烯醚交聯劑)、和4重量%的全氟丁烷磺酸三苯基鋶(一種PAG,得自Aldrich)之3%固體含量的調配物且濾過0.1-微米終點過濾器。交聯劑和PAG的量都是以聚合物的量為基準。
將上述調配物以1,500 rpm旋塗在一矽基板之上且在160℃下烘烤。使用EL沖洗該膜以測定對阻劑溶劑的抗性,曝光2秒鐘,於130℃下加熱以進行後-曝光烘烤(“PEB”),再浸於顯像劑(氫氧化四甲基銨或“TMAH”,以PD523AD之名出售,得自JSR Micro)60秒鐘以脫交聯及移除該底部抗反射塗層。下面的表1顯示出該底部抗反射塗層具有良好的抗溶劑性,且其在曝光之後只能使用鹼性顯像予以移除。此實施例證明於交聯/脫交聯程序中不需要使用有酸敏感性基的聚合物。
將甲基丙烯酸(“MAA”,31.2毫莫耳,得自Aldrich)、甲基丙烯酸第三丁基酯(“tBMA”,26.0毫莫耳,得自Aldrich)、甲基丙烯酸9-蒽甲基酯(“9-AMMA”,14.5毫莫耳,得自St-Jean Photochemicals Inc.)、與AIBN(1.4毫莫耳)在60毫升THF內於氮氣氛圍下混合且加熱到回流19小時。讓該反應冷卻,濃縮到約35毫升,然後在150毫升己烷內沉澱。於過濾和乾燥之後,收集到約10克淡黃色粉末。使用聚苯乙烯標準品與GPC測量到的聚合物Mw為23,800。
製備一包含該聚合物、PGME(得自General Chemical)、PGMEA(得自General Chemical)、10重量%上面自製的四官能型乙烯醚交聯劑、和4重量%的三氟甲烷磺酸三苯基鋶(一種PAG,得自Aldrich)之3%固體含量的調配物且濾過0.1-微米終點過濾器。交聯劑和PAG的量都是以聚合物的量為基準。將上述調配物以1,500 rpm旋塗在一矽基板之上且在160℃下烘烤。使用一可變角度光譜型橢圓偏光計(“VASE”)測量在248奈米下的光學常數且測得為k=0.42與n=1.4589。用EL沖洗該膜以測定對阻劑溶劑的抗性。於沖洗和旋轉乾燥環之後,膜厚度沒有發生變化。將固化的膜浸於0.26N TMAH溶液內,其厚度沒有發生變化。不過在曝光於來自表-氙燈的光2秒鐘且在130℃進行後-曝光烘烤90秒鐘之後,該膜變成可以溶解於顯像劑之中。
使用實施例2中的程序且使用不同量的發色團(9-AMMA)製備數種聚合物以展示在保持溶解性質之下對底部抗反射塗層所具光學性質之控制。製備包含PGME、PGMEA、10重量%按照上述自製的四官能型乙烯醚交聯劑、和4重量%的三氟甲烷磺酸三苯基鋶之3%固體含量的調配物且濾過0.1-微米終點過濾器。
表2顯示出經由增加聚合物內的發色團裝載量可以控制光密度,與基板反射性。
製備一比較實施例以證明使用苯酚樹脂的乙烯醚交聯沒能提供足夠的交聯密度來防止光阻劑溶劑的剝離。
於此程序中,將0.5克的聚羥基苯乙烯(“PHS”,得自DuPont),0.02克的三PAG(TAZ107,得自Midori Kagaku Company),8.5克的EL、和不同量的自製的三羧基苯基三乙烯基醚混合且濾過0.1-微米終點過濾器。也製備兩種額外的調配物,其中係在組成物內加入9-蒽羧酸(“9-ACA”,一種得自Aldrich的發色團)以形成供在248-奈米平版刻術所用的底部抗反射塗料。於矽基板上旋塗膜之後,在高達205℃的不同溫度下烘烤。表3顯示出所得結果。於所有情況中,在使用EL沖洗之時,底部抗反射塗層都完全被剝離掉。
Claims (57)
- 一種可用於形成微電子裝置之組成物,該組成物包括:一化合物,其係選自由聚合物、低聚物、和彼等的混合物所構成的群組,該化合物包括苯酚基以外的酸基,以及與該化合物鍵結的發色團;一乙烯醚交聯劑;和一溶劑系統,該具有發色團鍵結於其上的化合物和該交聯劑係經溶解或分散於該溶劑系統之內,該組成物係可濕式顯像者。
- 如申請專利範圍第1項之組成物,該組成物進一步包括一酸產生劑。
- 如申請專利範圍第2項之組成物,其中該酸產生劑為光酸產生劑。
- 如申請專利範圍第1項之組成物,其中該化合物不是酸敏感性者。
- 如申請專利範圍第1項之組成物,其中該酸基不含保護基。
- 如申請專利範圍第1項之組成物,其中該化合物包括經保護的酸基與未經保護的酸基,且經保護的酸基對未經保護的酸基之莫耳比例為從1:3至3:1。
- 如申請專利範圍第1項之組成物,其中該發色團在該組成物內的含量,在將該化合物的總重量定為100重量%的基準之下,為從5-50重量%。
- 如申請專利範圍第1項之組成物,其中該乙烯醚交聯劑具有式R-(X-O-CH=CH2 )n ,其中:R係選自由芳基與烷基所構成的群組;各X為獨立地選自由烷基、烷氧基、羧基和二或多種前述基的組合所構成的群組;且n為2-6。
- 如申請專利範圍第8項之組成物,其中該乙烯醚交聯劑係選自由乙二醇乙烯醚、三甲醇基丙烷三乙烯基醚、1,4-環己烷二甲醇基二乙烯基醚、
- 如申請專利範圍第1項之組成物,其中該酸基為羧酸。
- 如申請專利範圍第1項之組成物,其中該聚合物係 選自由脂族聚合物、丙烯酸酯、甲基丙烯酸酯、聚酯、聚碳酸酯、酚醛樹脂(novolaks)、聚醯胺酸、和彼等的混合物所構成的群組。
- 一種形成微電子構造之方法,該方法包括下列步驟:提供具有表面的基板;將一組成物塗布在該表面上,該組成物包括:一化合物,其係選自由聚合物、低聚物、和彼等的混合物所構成的群組,該化合物包括苯酚基以外的酸基;一乙烯醚交聯劑;和一溶劑系統,該化合物和交聯劑係經溶解或分散於該溶劑系統之內,將該組成物內的化合物交聯以形成一層實質地不溶於乳酸乙酯的組成物及產生包括具有下式的鍵聯之交聯化合物
- 如申請專利範圍第12項之方法,其中該交聯步驟包括熱交聯該化合物。
- 如申請專利範圍第12項之方法,其中該曝光步驟產生一層可實質地溶於光阻劑顯像劑內的組成物,該光阻劑顯像劑係選自氫氧化四甲基銨、氫氧化鉀和前述之混合物之群組。
- 如申請專利範圍第12項之方法,其中該曝光步驟導致具有下式鍵聯之鍵(*)的斷裂
- 如申請專利範圍第12項之方法,其中該基板係一種微電子基板。
- 如申請專利範圍第16項之方法,其中該基板係選自由矽、鋁、鎢、矽化鎢、砷化鎵、鍺、鉭、氮化鉭、SiGe、離子植入層、低κ介電層、和介電層所構成的群組。
- 如申請專利範圍第12項之方法,其中:該基板進一步包括界定一孔洞的結構,該結構包括側壁和底壁;且該塗布步驟包括將該組成物塗布到該孔洞側壁和底壁的至少一部份。
- 如申請專利範圍第12項之方法,其中該基板包括一離子植入層,且該塗布步驟包括形成一毗鄰該離子植入層的該組成物層。
- 一種形成微電子構造之方法,該方法包括下列步 驟:提供具有表面的基板;將一組成物塗布在該表面之上,該組成物包括一經溶解或分散於一溶劑系統內之化合物,該化合物係選自由聚合物、低聚物、和彼等的混合物所構成的群組,該化合物包括羧酸基;將該組成物內的化合物交聯以形成一層實質地不溶於乳酸乙酯的組成物及產生包括具有下式的鍵聯之交聯化合物
- 如申請專利範圍第20項之方法,其中該交聯步驟包括熱交聯該化合物。
- 如申請專利範圍第20項之方法,其中該曝光步驟產生一層可實質地溶於光阻劑顯像劑內的組成物,該光阻劑顯像劑係選自氫氧化四甲基銨、氫氧化鉀和前述之混合物之群組。
- 如申請專利範圍第20項之方法,其中該曝光步驟導致具有下式的鍵聯之鍵(*)的斷裂
- 如申請專利範圍第20項之方法,其中該基板係一種微電子基板。
- 如申請專利範圍第24項之方法,其中該基板係選自由矽、鋁、鎢、矽化鎢、砷化鎵、鍺、鉭、氮化鉭、SiGe、離子植入層、低κ介電層、和介電層所構成的群組。
- 如申請專利範圍第20項之方法,其中:該基板進一步包括界定一孔洞的結構,該結構包括側壁和底壁;且該塗布步驟包括將該組成物塗布到該孔洞側壁和底壁的至少一部份。
- 如申請專利範圍第20項之方法,其中該基板包括一離子植入層,且該塗布步驟包括形成一毗鄰該離子植入層的該組成物層。
- 一種組合,包括:一基板;一毗鄰該基板的層,該層包括具有下式鍵聯之交聯化合物 ;和一毗鄰該層的光阻劑。
- 如申請專利範圍第28項之組合,其中該基板係一 種微電子基板。
- 如申請專利範圍第29項之組合,其中該基板係選自由矽、鋁、鎢、矽化鎢、砷化鎵、鍺、鉭、氮化鉭、SiGe、離子植入層、低κ介電層、和介電層所構成的群組。
- 如申請專利範圍第28項之組合,其中該層係實質地不溶於光阻劑溶劑內。
- 一種組合,包括:一基板;一毗鄰該基板的層,該層包括下述混合物:一選自由聚合物、低聚物、和彼等的混合物所構成群組之化合物,該化合物包括一酸基;一醇;和乙醯基醛;和一毗鄰該層的光阻劑。
- 如申請專利範圍第32項之組合,其中該基板係一種微電子基板。
- 如申請專利範圍第33項之組合,其中該基板係選自由矽、鋁、鎢、矽化鎢、砷化鎵、鍺、鉭、氮化鉭、SiGe、離子植入層、低κ介電層、和介電層所構成的群組。
- 如申請專利範圍第32項之組合,其中該層係實質地可溶於光阻劑顯像劑內。
- 一種具有下式的化合物
- 如申請專利範圍第20項之方法,其中該化合物在該組成物內的含量,在將該組成物內的所有成分之總重量定為100重量%的基準之下,為從約0.5至10重量%。
- 如申請專利範圍第20項之方法,其中該化合物不是酸敏感性者。
- 如申請專利範圍第20項之方法,其中該羧酸基不含保護基。
- 如申請專利範圍第20項之方法,該組成物進一步包含發色團,其中該發色團不與該化合物鍵結。
- 如申請專利範圍第20項之方法,其中該溶劑系統以在將該組成物的總重量定為100重量%的基準之下,從95-99重量%的含量使用。
- 如申請專利範圍第20項之方法,其中該組成物具有3%固體含量。
- 如申請專利範圍第20項之方法,該組成物進一步包括四官能型乙烯醚交聯劑。
- 如申請專利範圍第20項之方法,其中在該塗布期間,該化合物包括經保護的酸基與未經保護的酸基,其中 該保護的酸基對未經保護的酸基之莫耳比例為從1:3至3:1。
- 如申請專利範圍第20項之方法,其中在該塗布期間,至少95%之該羧酸基不含保護基。
- 一種形成微電子構造之方法,該方法包括下列步驟:提供具有表面的基板,該基板進一步包括界定一孔洞的結構,該結構包括側壁和底壁;將該組成物塗布到該孔洞側壁和底壁的至少一部份;該組成物包括經溶解或分散於該溶劑系統之內的化合物:該化合物係選自由聚合物、低聚物、和彼等的混合物所構成的群組,該化合物包括羧酸基;將該組成物內的化合物交聯以產生包括具有下式的鍵聯之交聯化合物
- 一種形成微電子構造之方法,該方法包括下列步驟:提供具有表面的基板,該基板包括一離子植入層;將該組成物塗布到該離子植入層; 該組成物包括經溶解或分散於該溶劑系統之內的化合物:該化合物係選自由聚合物、低聚物、和彼等的混合物所構成的群組,該化合物包括羧酸基;將該組成物內的化合物交聯以產生包括具有下式的鍵聯之交聯化合物
- 一種形成微電子構造之方法,該方法包括下列步驟:提供具有表面的基板;將該組成物塗布到該表面;該組成物包括經溶解或分散於該溶劑系統之內的化合物:該化合物係選自由聚合物、低聚物、和彼等的混合物所構成的群組,該化合物包括不含保護基之羧酸基;將該組成物內的化合物交聯以產生包括具有下式的鍵聯之交聯化合物
- 一種形成微電子構造之方法,該方法包括下列步驟:提供具有表面的基板;將該組成物塗布到該表面;該組成物包括經溶解或分散於該溶劑系統之內的化合物:該化合物係選自由聚合物、低聚物、和彼等的混合物所構成的群組,該化合物包括羧酸基,且該組成物進一步包括一發色團,其中該發色團不與該化合物鍵結;將該組成物內的化合物交聯以產生包括具有下式的鍵聯之交聯化合物
- 一種形成微電子構造之方法,該方法包括下列步驟:提供具有表面的基板; 將該組成物塗布到該表面;該組成物包括經溶解或分散於該溶劑系統之內的化合物:該化合物係選自由聚合物、低聚物、和彼等的混合物所構成的群組,該化合物包括羧酸基,該溶劑系統以在將該組成物的總重量定為100重量%的基準之下,從95-99重量%的含量存在於該組成物中;將該組成物內的化合物交聯以產生包括具有下式的鍵聯之交聯化合物
- 一種形成微電子構造之方法,該方法包括下列步驟:提供具有表面的基板;將該組成物塗布到該表面;該組成物包括經溶解或分散於該溶劑系統之內的化合物:該化合物係選自由聚合物、低聚物、和彼等的混合物所構成的群組,該化合物包括羧酸基,該組成物具有3%重量固體含量;將該組成物內的化合物交聯以產生包括具有下式的鍵 聯之交聯化合物
- 如申請專利範圍第20項之方法,該化合物包括苯酚基以外的酸基。
- 如申請專利範圍第44項之方法,該化合物包括苯酚基以外的酸基。
- 如申請專利範圍第46項之方法,該化合物包括苯酚基以外的酸基。
- 如申請專利範圍第47項之方法,該化合物包括苯酚基以外的酸基。
- 如申請專利範圍第48項之方法,該化合物包括苯酚基以外的酸基。
- 如申請專利範圍第49項之方法,該化合物包括苯酚基以外的酸基。
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- 2005-04-15 EP EP05771626.8A patent/EP1743219B1/en active Active
- 2005-04-15 KR KR1020067022125A patent/KR101308281B1/ko active IP Right Grant
- 2005-04-15 CN CN2005800132461A patent/CN1981240B/zh active Active
- 2005-04-15 JP JP2007510782A patent/JP5972510B2/ja active Active
- 2005-04-15 CN CN201010110135.5A patent/CN101916051B/zh active Active
- 2005-04-15 KR KR1020117031664A patent/KR101308191B1/ko active IP Right Grant
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Also Published As
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EP1743219A2 (en) | 2007-01-17 |
US9110372B2 (en) | 2015-08-18 |
JP5511887B2 (ja) | 2014-06-04 |
KR20070012812A (ko) | 2007-01-29 |
KR101308191B1 (ko) | 2013-09-13 |
EP1743219A4 (en) | 2010-04-28 |
KR20120015360A (ko) | 2012-02-21 |
TW200615312A (en) | 2006-05-16 |
WO2005111719A2 (en) | 2005-11-24 |
CN101916051B (zh) | 2014-07-23 |
WO2005111719A3 (en) | 2006-11-09 |
JP2012188671A (ja) | 2012-10-04 |
US20070117049A1 (en) | 2007-05-24 |
CN1981240A (zh) | 2007-06-13 |
US7601483B2 (en) | 2009-10-13 |
KR101308281B1 (ko) | 2013-09-13 |
JP2007536389A (ja) | 2007-12-13 |
EP1743219B1 (en) | 2015-12-09 |
JP5972510B2 (ja) | 2016-08-17 |
CN101916051A (zh) | 2010-12-15 |
CN1981240B (zh) | 2012-09-26 |
US20050255410A1 (en) | 2005-11-17 |
US20120156613A1 (en) | 2012-06-21 |
US20090317747A1 (en) | 2009-12-24 |
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