TWI226387B - Workpiece processor having processing chamber with improved processing fluid flow - Google Patents

Workpiece processor having processing chamber with improved processing fluid flow Download PDF

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TWI226387B
TWI226387B TW089107055A TW89107055A TWI226387B TW I226387 B TWI226387 B TW I226387B TW 089107055 A TW089107055 A TW 089107055A TW 89107055 A TW89107055 A TW 89107055A TW I226387 B TWI226387 B TW I226387B
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bowl
processing
nozzle assembly
fluid
section
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TW089107055A
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Gregory J Wilson
Kyle M Hanson
Paul R Mchugh
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Semitool Inc
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    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25DPROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D17/00Constructional parts, or assemblies thereof, of cells for electrolytic coating
    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25DPROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D17/00Constructional parts, or assemblies thereof, of cells for electrolytic coating
    • C25D17/02Tanks; Installations therefor
    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25DPROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D17/00Constructional parts, or assemblies thereof, of cells for electrolytic coating
    • C25D17/001Apparatus specially adapted for electrolytic coating of wafers, e.g. semiconductors or solar cells
    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25FPROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
    • C25F7/00Constructional parts, or assemblies thereof, of cells for electrolytic removal of material from objects; Servicing or operating
    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25DPROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/08Electroplating with moving electrolyte e.g. jet electroplating
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S204/00Chemistry: electrical and wave energy
    • Y10S204/07Current distribution within the bath

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Electroplating Methods And Accessories (AREA)
  • Electrodes Of Semiconductors (AREA)
  • Cleaning Or Drying Semiconductors (AREA)

Description

1226387 A7 B7 五、發明說明(/ ) [有關申請案之交互參考] (請先閱讀背面之注意事項再填寫本頁) 本申請案主張以下之美國臨時申請案的優先權: U.S.S.N...60/129,055,標題爲“具有改進之處理室之工件處 理器,,,於1999年4月13日提出申請(代理人檔號 SEM4492P0830US) ; U.S.S.N· 60/143,769,標題爲“具有改 進之處理室之工件處理器”,於1999年7月12日提出申 請(代理人檔號 SEM4492 P0831US) ; U.S.S.N· 60/182,160, 標題爲“具有改進之處理室之工件處理器”,於2〇〇〇年2月 14日提出申請(代理人檔號SEM4492P0832US)。 [發明背景] 自一微電子工件(諸如一半導體晶圓基體、聚合物基體 等)製造一微電子組件係涉及許多製程。針對本發明之目的 ,微電子工件之定義爲包括自一基體構成工件,其上可形 成微電子電路或組件、資料儲存元件或層、及/或微機械元 件。 經濟部智慧財產局員工消費合作社印製 數種不同之處理作業係實施在工件上,以製造微電子 組件。該等作業包括,例如:材料沉積、圖案化、摻雜' 化學機械拋光、電拋光及熱處理。材料沉積處理係涉及沉 積一薄材料層於工件表面上。圖案化提供移除此等寸目加層 之選擇部份。微電子工件之摻雜係將稱爲摻雜者(dopant)之 雜質’加入微電子工件之選擇部份,以改變基體材料之電 特性。微電子工件之熱處理係涉及將微電子工件加熱或冷 卻’以達到特殊處理結果。化學機械拋光係涉及透過結合 化學/機械處理而移除材料,而電拋光則涉及利用電化反應 3 本紙張尺度適用中國國豕知;準(CNS)A4規格(21〇 X 297公髮) " 1226387 A7 B7 五、發明說明(2 ) 移除工件表面之材料。 (請先閱讀背面之注意事項再填寫本頁) 許多處理裝置,稱爲處理“工具(tool)”,已被發展出以 實施以上之處理作業。此等工具之構型不同,視其執行之 製造程序中所用之工件型式’及工件執行之處理而定。稱 爲Eqiiin〇X(R)濕處理工具(可購自蒙大那州,開比市之 Semitool公司)之一工具構型包括一或多個工件處理站,其 運用工件固定器及一處理碗或容器,以實施濕處理作業。 此一濕處理作業包括電鍍、蝕刻、淸洗、無電沉積、電拋 光等。 根據上述之Equin〇X(R)工具之一構型,工件固定器及 處理容器配置在彼此相鄰之處,其目的爲使由工件固定器 夾住之微電子工件,與處理容器中之流體接觸,因而構成 一處理室。然而,限制流體在工件之適當部份’通常是一 問題。此外,保證在處理流體與工件表面間之適當大量轉 移狀況,亦屬困難。如無此一大量轉移控制’工件表面之 處理常爲不均勻。 經濟部智慧財產局員工消費合作社印製 傳統工件處理器利用不同技術,以受控制方式使處理 流體與工件表面接觸。例如,利用一控制之噴射使處理流 體與工件面接觸。其他處理方式中,如部份或全部糧入處 理,處理流體係置於槽液中,至少工件之一表面與處理流 體之表面接觸,或在處理流體表面之下。電鍍、無電鍍' 淸洗、陽極處理等爲部份或全部浸入處理之例。 現有之處理容器,大多在室之底部配置一或多個入口 ,提供處理溶液之連續流至處理室。舉例而言’藉著利用 4 本紙張尺度適用中國國家標準(CNS)A4規格(210 X 297公釐) 1226387 A7 B7 五、發明說明($ ) 擴散器或相似物,可利於處理溶液在工件表面之均勻分布 以控制擴散層狀態之厚度及均勻,該擴散器係配置在一或 多個入口及工件表面之間。圖1A顯示此系統之一般說明 。擴散器1包括複數個孔隙2,該等孔隙係用以經自處理 流體入口 3提供之流體流盡量平均擴散跨於工件4之表面 〇 雖然在擴散層控制上之實質改進可自利用擴散器而獲 得,但此一控制係屬有限。參考圖1A,儘管有擴散器1, 仍然存在與微電子工件表面成垂直之增加流速之局部區5 。此等局部區通常與擴散器1之孔隙2對應。此一效應在 擴散器置於較接近微電子工件4時更爲加劇,因爲流體係 允許分布後,其自擴散器至工件之距離降低。擴散長度之 減短係導致局部區5之處理流體更集中之流量。 本發明係已發現的是,在工件表面之增加流速的局部 區可影響擴散層狀態,且將導致工件表面不均勻之處理。 與工件表面之其他區比較,在局部區5之擴散層係傾向於 較薄。表面反應以較高速度發生在局部區,其中之擴散層 厚度降低,因此導致在徑向不均勻之工件處理。擴散器孔 隙圖案構型亦影響諸如電鍍之電化處理中的電場分却,其 亦可能導致工件之表面之不均勻處理(即電鍍材料之不均勻 沉積)。 工件浸入處理之另一經常遭遇之問題爲,由於工件表 面之泡沬陷入而使擴散層分裂。泡沬可在處理裝備之鉛管 及幫浦系統中建立,並進入處理室,並遷移至處理中之工 5 本紙張尺度適用中國國家標準(CNS)A4規格(210 X 297公釐) 、-----------衣 (請先閱讀背面之注意事項再填寫本頁) 訂——.-----線‘ 經濟部智慧財產局員工消費合作社印製 經濟部智慧財產局員工消費合作社印製 1226387 五、發明說明(屮) 件之表面。由於擴散層之分裂’該位置之處理係無法進行 〇 當微電子電路及裝置之製造商降低其所造電路及組件 之尺寸時,在處理溶液與工件表面間之擴散層狀態之嚴密 控制係變爲更重要。爲此目的,本發明人已發展出一改進 之處理室,其可解決目前使用於微電子製造工業之工件處 理工具中之擴散層不均勻與千擾問題。雖然以下之改進之 處理室係以適於電鍍之特定實施例論而討論,吾人認爲改 進之處理室可用於任何希望均勻表面處理之工件處理工具 中。 [圖式簡略說明] 圖1A爲一浸入處理反應器總成之簡略方塊圖,該總 成倂入一擴散器以分配處理流體流橫跨工件之表面。 圖1B爲可倂入本發明之一反應器總成的一實施例之 剖面圖。 圖2爲一反應器室的一實施例之略圖,其可用於圖1B 之反應器總成中’並包括顯示有關流經反應器室之處理流 體流的速度流量輪廓。 ( 圖3至5爲說明一完整的處理室總成之特定構,造,其 特別適於半導體晶圓之電化學處理,該總成之實施可達成 圖2所不之速度流量輪廊。 圖6及圖7說明處理工具之二實施例,其可倂入根據 本發明原理製造之一或多個處理站。 6 本紙張尺度適用中國國家標準(CNS)A4規格(210 x 297公爱) (請先閱讀背面之注意事項再填寫本頁)
1226387 A/ B7 五、發明說明(女) [元件符號說明] 1擴散器 2孔隙 3處理流體入口 4微電子工件 5 局咅區 20反應器總成 25微電子工件 30反應器頭 37處理基座 70靜止總成 75轉子總成 85陰極接觸總成 505主流體流量室 510前室 515流體入口 520通風室 525擴散器 經濟部智慧財產局員工消費合作社印製 530噴嘴總成 535處理流體出口噴嘴 537中央軸 540加速通道 5 4 5流體流量區 550高壓力區 本紙張尺度適用中國國家標準(CNS)A4規格(210 X 297公釐) 1226387 ^ A/ B7 五、發明說明(6 ) 560側壁 565側壁 570斷裂點 572流體排出環狀出口 580中央陽極 581電氣連接棒 585環狀陽極 590漏斗流量通道 605外杯 610處理室總成 615凸緣 經濟部智慧財產局員工消費合作社印製 625主要筒狀外殼 627漏杯構件 629通道 640螺旋流量室 665氣體出口 670間隙 690中室構件 692腳支座 697陽極支撐構件 705通道 715環狀插座 725環狀通道 730導管 本紙張尺度適用中國國家標準(CNS)A4規格(210 X 297公釐) 1226387 A7 B7 五、發明說明(7 ) 733接頭 737底部 739堰構件 742邊緣 744凸緣 785環狀陽極總成 810入口流體導板 817通道 819向上角度之壁部 821通道 823垂直通道 1610處理站 1615熱處理站 1620機器人轉移機構 1625中央軌跡 1630部份 163 5 RTP 站 ^ 16 4 0專用機器人機構 ; 經濟部智慧財產局員工消費合作社印製 1645中間整備門/區 4 [本發明槪述] 本發明揭示一種處理容器,用以在浸入處理至少一微 電子工件之表面期間,提供一處理流體之流動。此處理容 器包括:一主流體流量室,其提供一處理流體流量於至少 一工件之表面;及複數個噴嘴,係配置以提供處理流體流 9 本紙張尺度適用中國國家標準(CNS)A4規格(210 X 297公釐) 1226387 A/ B7 五、發明說明(?) 量至主要流體流量室。複數個噴嘴安排後,可使其提供垂 直及徑向流體流量分量,以組合產生實質上均勻之正交流 量分量,在徑向橫跨工件之表面。本發明亦予揭示利用此 處理容器之範例裝置,其特別適於實施電化學處理,諸如 電鍍處理。 根據本揭示之一特性,係提出一種微電子工件浸入處 理反應器,其包括具有處理流體入口之一處理容器,經由 該入口,處理流體流入處理容器中。該處理容器尙具有一 上方邊緣,形成一堰(weir),處理流體流動於該堰以自處理 器流出。至少一螺旋流量室係配置在處理容器之外,以接 收通過堰自處理容器流出之處理流體。此一構型可有助於 自反應器中移除處理流體,同時可降低在移除程序期間之 干擾,其可能將空氣帶入流體流中或產生空氣與處理流體 之間的不理想程度之接觸。 [本發明詳細說明] 某本反應器組件 經濟部智慧財產局員工消費合作社印製 參考圖1B,顯示一反應器總成20以供浸入處理一微 電子工件25,如半導體晶圓。通常。反應器總成20包含 一反應器頭30及對應之處理基座(如37所示),以^下將細 述,處理流體即配置其中。特殊說明之實施例之反應器總 成,特別適於實施半導體晶圓或工件之電化學處理。吾人 應瞭解,圖1B之一般反應器構型亦適於其他工件型式及 處理。 反應器總成20之反應器頭30可包含一靜止總成70 10 本紙張尺度適用中國國家標準(CNS)A4規格(210 X 297公釐) 1226387 A7 B7 五、發明說明(7) 及轉子總成75。轉子總成75之構型可接受並載負相關微 電子工件25,將其放置於基座37中之處理容器處理側向 下之方向,並將工件旋轉。因爲此特殊實施例適於電鍍, 轉子總成75亦包括一陰極接觸總成85,其提供電鍍電源 至微電子工件之表面。應瞭解,反應頭30上之工件之背側 接觸及/或支撐亦可以實施’而代替在此說明之正側接觸/ 支撐。 經濟部智慧財產局員工消費合作社印製 反應頭30係典型裝在升起/旋轉裝置上,裝置之構型 可使反應頭30旋轉,自向上面對配置,此時其接收待電鍍 之工件,旋轉至向下面對之配置,此時待電鍍之工件之表 面被定位,俾其可與處理基座37之處理容器中之處理流體 接觸。利用一最好含一末端作用器之機器人手臂,以將微 電子工件25放置在轉子總成75上之位置,及自轉子總成 將已電鍍之微電子工件移除。當裝載微電子工件時,總成 85可操作在一開啓狀態及一閉合狀態之間,於開啓狀態係 使微電子工件放置在轉子總成75,而於閉合狀態係使微電 子工件固定在轉子總成上以備次一處理。以一電鍍反應器 而言,此一作業亦使接觸總成85之導電組件與待電鍍之微 電子工件之表面成電氣接觸。 y 應瞭解的是,其他轉子總成構型亦可與揭示之反應器 總成之新穎特性合用,以上僅供說明之用。 處理容器 圖2說明處理基座37之基本結構’以及導致於處理容 器結構之對應流量速度輪廓。如圖說明’處理基座37包含 本紙張尺度適用中國國家標準(CNS)A4規格(210 X 297公釐) 1226387 A7 B7 五、發明說明(π ) 一主流體流量室505、前室510、流體入口 515、通風室 (plenum)520、流量擴散器525(其將通風室520自前室510 分開)、以及一噴嘴/槽總成530(將通風室520自主流體流 量室505分開)。此等組件係合作提供一流量(以後稱電鍍 溶液),以實質上徑向獨立正交分量於微電子工件上。在說 明之實施例中,撞擊流量集中於中央軸537 ’並具有接近 均勻之正交分量至微電子工件25。此導致一實質上均勻之 大量流體流至微電子工件之表面,因而可致使具有一均勻 之處理。 處理流體係經由配置在容器35底部之流體入口 515 提供。自流體入口 515之流體,在該處以高速被導入前室 510。在說明之實施例中,前室510包括加速通道540,通 過該通道後,處理流體自流體入口 515徑向流至前室510 之流體流量區545。流體流量區545具有一倒U型之剖面 ,其在其出口區接近流量擴散器之處,較接近加速通道 540之入口區爲寬。此一在剖面上之變化可有助於任何氣 體泡沬在進入主流體流量室505之前自處理流體被移除。 未進入主流體流量室505之氣體泡沬,係通過一配置在前 室510上方之氣體出口而排出處理基座37(圖2中兔說明 ,但顯示於圖3至5之實施例中)。 前室510中之處理流體係最後供應至主流體流量室 5〇5。爲此目的,處理流體首先係自前室510之一相當高之 壓力區550被導向至相當低壓之通風室520,透過流量擴 散器525。噴嘴總成530包括複數個噴嘴或隙縫535,其相 12 $張尺度適用中國國家標準(CNS)A4規格(210 X 297公釐) — r 錢 (請先閱讀背面之注意事項再填寫本頁) 訂——:-----線 0 經濟部智慧財產局員工消費合作社印製 1226387 A/ B7 五、發明說明(Η ) 對於水平面而形成一小角度配置。處理流體經由噴嘴535 以垂直及徑向方向而排出通風室520。 主流體流室505係由一外形側壁560及一斜側壁565 而限定於一上方區域。外形側壁560可有助於在處理流體 排出噴嘴535(特別是最上噴嘴)及向上流向微電子工件25 之表面時,防止流體流分離。超過斷裂點5 7 0時,流體流 分離將不致影響正交流量之均勻性。因此,斜側壁565可 具有任何形狀,包括連續外形側壁560之形狀。在此特殊 實施例中,側壁565在涉及應用於電化處理時爲傾斜,係 用以支撐一或多個陽極/電導體。 處理流體係通過一環狀出口 572自主流體流室505排 出。流體排出環狀出口 572可提供給另一外部室,以供處 理或供補充通過處理流體供應系統之再循環。 在此等實例中,處理基座37構成電鍍反應器之一部份 ,基座37備有一或多個陽極。在說明之實施例中,一中央 陽極580配置在主流體流室505之下部。若微電子工件25 表面之週邊邊緣係徑向延伸超過外形側壁56Ό之範圍時, 該週邊邊緣係與中央陽極580成電屏蔽,降低之電鍍將在 此區域發生。然而,如欲在週邊區域發生電鍍,在_邊區 域可使用一或多個陽極。在此,複數個環狀陽極585係以 槪括微同心圓方式配置在斜側壁565上,以提供電鍍電流 而流通至週邊區域。另一實施例包括單一陽極或多個陽極 ,但無自外形壁至微電子工件邊緣之屏蔽。 陽極580、585可係以不同方式供以電源。例如,相 本紙張尺度適用中國國家標準(CNS)A4規格(210 X 297公釐) '------------—— (請先閱讀背面之注意事項再麻寫本頁) 訂-Γ •線· 經濟部智慧財產局員工消費合作社印製 1226387 A/ B7 五、發明說明(u) 同或不同位準之電源可多工處理而供應至陽極580、585。 或者,所有陽極580、585可連接一起以接受自同一電源之 電鍍電源。此外,每一陽極580、585可連接一起以接受不 同位準之電鍍電源,以補償電鍍之薄膜之電阻變化。陽極 585之緊鄰於電子工件25之優點爲,可提供對於由各陽極 產生的徑向薄膜成長之一高度控制。 經濟部智慧財產局員工消費合作社印製 當處理流體在處理系統循環時,可能有空氣不當滯留 。其可能形成氣泡,最後並進入擴散層,因而傷及在微電 子工件表面上發生之處理之均勻性。爲減少此問題,及減 少氣泡進入主流體流量室505之可能性,處理基座37包括 數個獨特之特性。以中央陽極508而言,一漏斗(Venturi) 流量路徑590係設於中央陽極580之下側與加速通道540 之相對較低壓力區之間。除正常影響沿中央軸537之流量 效應之外,此路徑引起之漏斗效應,使位於室下方(諸如在 中央陽極580之表面)接近表面之處理流體被吸入加速通道 540,並可有助於將氣泡吹離陽極之表面。更重要的是,漏 斗效應提供一吸入流量,其可影響沿中央軸537之微電子 工件表面之中央部份之撞擊流量之均勻性?同理,處理流 體係以與環狀出口 572成徑向之方式,掃過在室上,都之表 面(5者如1½極585之表面)以移除該表面上之氣泡。此外, 微電子工件表面之流體流量之徑向分量,可有助於掃除該 處之氣泡。 關於流經反應器室之流量有數項處理之優點。如說明 者,流過噴嘴/隙縫535之流量被導引離開微電子工件之表 14 ^7氏張尺度適用中國國家標準(CNS)A4規格(210 X 297公f ] ------- 1226387 B7 五、發明說明(()) 面,因此,並無可干擾擴散層均勻度之流體之局部正交流 量分量。雖然擴散層可能不完全均勻,所造成之任何非均 勻將係相當地漸進。此外,在微電子工件爲旋轉之情況下 ,在擴散層上剩餘之不均勻性係在持續達成處理目標下可 以容忍。 自上述反應器之設計,可確知與微電子工件成正交之 流量係在微電子工件之中央附近具有較大之量。因此,在 微電子工件不存在時(即在工件降低至流體之前),將造成 圓頂新月形者(meniscus)。此圓頂形新月者可有助於當工件 降低至處理溶液中時,使陷住之氣泡最少。 於主流體流量室505之底部而由漏斗流量路徑所引起 之流量,可影響於其中心線之流量。該中心線流速否則係 難以實施及控制。但,漏斗流量之強度可提供非強制設計 變數,可用以影響流量之此一特性。 經濟部智慧財產局員工消費合作社印製 上述之皮應器設計之另一優點爲,可有助於防止進入 室入口之氣泡到達微電子工件。爲此目的,流量圖案 (pattern)可使其在進入主室之前,溶液向下流動。氣泡留 在前室’並自其頂部孔隙逸出。此外,利用將漏斗通道蓋 住之屏蔽,可防止氣泡經由漏斗通道進入主室(見圖至5 所不反應器貫施例之說明)。此外’至前室之向上傾斜入口 路徑(參見圖5及其g兌明)可防止經由漏斗通道進入主室。 圖3至5說明一完整之處理室總成61〇之特定結構, 其可特別適於電化學處理半導體電子工件。特別是,說明 之實施例特別適於沉積一均句之材料層於利用電鑛之工件 本紙張尺度適用中國國家標準(CNS)A4規格(210 X 297公釐) 1226387 a7 B7 經濟部智慧財產局員工消費合作社印製 五、發明說明(w) 0 如說明者,圖1B中之處理基座37含有一處理室總成 610及一對應之外杯(cup)605。處理室總成610係配置於外 杯605之內,以接受自處理室總成溢流之處理流體。一凸 緣615係沿總成610延伸’以固疋封應工具之框架。 特別參考圖4及圖5 ’外杯605之凸緣形成後係與反 應頭30(圖1B)之轉子總成75接合’並使微電子工件與處 理流體(如電鍍溶液)在主流體流量室接觸。外杯605包括 一主要筒狀外殼625,以配置漏杯構件627。漏杯構件627 包括具有通道629之外表面,其與主要筒狀外殼625之內 壁,構成一或多個螺旋流量室640 ’作爲處理流體之出口 。溢流至處理杯頂部之堰構件739之處理流體經過螺旋流 量室640漏出,並排出一出口(未顯不),該處之流體係被 處置或再補充或再循環。此構型特別適於包含流體再循環 之系統,因莫可協助防止氣體與處理溶液之混合’因而進 一步降低氣泡干擾工件表面擴散層之均勻性的可能性。 在說明之實施例中,前室510係由複數個獨立組件之 壁所限定。特別是,前室510係由漏杯構件627之內壁、 陽極支撐構件697、中室構件690之內外壁、及流「量擴散 器525之外壁所構成。 圖3B及圖4說明上述組件構成一反應器之方式。爲 此,中室構件690係配置在漏杯構件627之內部,並幫含 複數個位於底壁之腳支座692。陽極支撐構件697包括一 連接凸緣之外壁,其配置在漏杯構件之內部。陽極支撐構 16 本紙中國國家標準(CNS)A4規格(210 X 297公釐) 一 (請先閱讀背面之注意事項再填寫本頁} r裝--- 訂· Γ ! -----線, 1226387 A7 B7 五、發明說明(G) 件697尙含一通道705,其位於並與噴嘴構件53〇之上緣 接合。中室構件690亦含一中央配置之插座715,其尺寸 可容納噴嘴構件530之下部。同理,一環狀通道725係徑 向配置在環裝插座715之外部,以連接流量擴散器525之 下部。 在說明之實施例中,流量擴散器525係由單塊形成, 包括複數個垂直方向之間隙670。同理,噴嘴總成530亦 爲一單塊,並含複數個水平方向構成噴嘴535之間隙。 陽極支撐構件697包括複數個環狀槽溝,其大小可接 受對應之環狀陽極總成785。每一陽極總成785包括一陽 極585(較佳由鍍鈦或其他惰性金屬構成),一導管730自陽 極585中央部份延伸,經其可配置一金屬導體以電氣連接 每一總成785之陽極585至一外電源。導管730延伸通過 完整之處理室總成610,並且藉著各別接頭733固定在底 部。以此方式,陽極總成785可有效將陽極支撐構件697 驅向下方,以夾住流量擴散器525、噴嘴總成530、中室構 件690、及漏杯構件627,抵住外杯605之底部737。此舉 可使處理室610之組裝及拆卸容易。但應瞭解,亦可用其 他方式以固定該等室元件在一起,及提供必要之電源至陽 極。 說明之實施例中尙包含一堰構件739,以可脫離方式 咬住或固定在陽極支撐構件697之上方外部。如圖示,堰 構件739包含邊緣742,其構成一堰,處理流體在其上流 入螺旋流量室64〇。堰構件739尙含橫向延伸凸緣744,其 本紙張尺度適用中國國家標準(CNS)A4規格(210 X 297公爱) •-----------衣 (請先閱讀背面之注意事項再填寫本頁) —訂」---·-----線』 經濟部智慧財產局員工消費合作社印製 經濟部智慧財產局員工消費合作社印製 1226387 A/ B7 五、發明說明() 向內徑向延伸,並構成於一或多個陽極585之全部或一部 份電場屏蔽。由於堰構件容易拆下或更換,故處理室總成 610可容易再構型以適於提供不同之電場形狀。此種不同 電場形狀,在反應器必須構型以處理一種以上尺寸及形狀 之工件時,非常有用。此外,此舉亦可使反應器構型成接 納同尺寸但不同電鍍區需求之工件。 陽極支撐構件697及其陽極585,構成外形側壁560 及傾斜側壁565,如圖2所示。如上所述,陽極支撐構件 697之下方區爲一輪廓,故形成前室510之上方內壁,並 包括一或數個氣體出口 665,其配置在該處以使氣泡自前 室51.0排出至外部環境。 特別參考圖5,流體入口 515係由入口流體導板所限 定,如810所示,該導板係由一或數個接合件固定在中室 構件690上。說明實施例之通道817係由向上角度之壁部 819所限定。’排出通道817之處理流體自該處流至一或多 個另一通道821,其亦由向上角度之壁部所限定。 中央陽極580包括一電氣連接棒581,其通過由噴嘴 總成530、中室構件690及入口流體導板$10所形成之中 央孔隙,進入處理室總成610之外部。圖2所示之漏斗流 路區590在圖5中由垂直通道823形成,其通過漏杯室 627、及噴嘴構件530之底壁。如說明者,流體入口導板810 ,特別是向上成一角度之壁810係徑向延伸超過屏蔽之垂 直通道823,故任何進入該入口之氣泡,係通過向上通道 821,而非通過垂直通道823。 18 本紙張&度適用中國國家標準(CNS)A4規格(210 X 297公釐) (請先閱讀背面之注意事項再填寫本頁)
1226387 A/ B7 經濟部智慧財產局員工消費合作社印製 五、發明說明(π ) 上述之反應器總成可容易統合於處理工具中,其能在 工件上(諸如半導體微電子工件上)實施許多處理。此種工 具之一爲LT-210tm電鍍器,可購自蒙大拿州卡利斯比之 Semitool公司。圖6及7說明此一統合。圖6之系統中包 括複數個處理站1610。此等處理站較佳包含一或多個淸洗 /烘乾站、及一或多個電鍍站(包括上述之一或多個電鍍反 應器),雖然另外之根據本發明製造之浸入化學處理站亦可 使用。此系統最好尙包含熱處理站,如1615,其包含至少 一適於快速熱處理(RTP)之熱反應器。 工件係在處理站1610及RTP站1615之間,利用一或 多個機器人轉移機構1620轉移,該機構之配置可沿一中央 軌跡1625作線性移動。一或多個站161〇可倂入一結構, 其可在原地淸洗。最好,所有處理站及機器人轉移機構均 配置於一櫃中,其備有正壓力之濾淸空氣,故可限制能降 低微電子工件處理有效性之空氣中污染物。 圖7說明處理工具之另一實施例,其中之RTP站 1635位於部份1630,其含至少一熱反應器,該站可統合於 工具組中。與圖6之實施例不同,在此實施例中,至少一 熱反應器由一專用機器人機構164〇服務。專用機器人機構 1640接受由機器人轉移機構ι62〇所轉移至其之工件。轉 移可經由一中間整備門/區1645發生。如此,可能淸潔自 工具之其他部份分離處理工具之RTp部份163〇。此外,利 用此一結構,說明之退火站可係以單獨模組實施,此模組 之連接可提升現有之工具組。應瞭解,其他型式之處理站 19 (請先閱讀背面之注意事項寫本頁)
. -線· 本紙張尺度適用中國國家標準(CNS)A4規格(210 X 297公爱 1226387 A/ _Β7_ 五、發明說明(U ) ,除了或者替代RTP站1635,亦可位於部份1630。 對以上系統可作不同之修改,而不致有悖本發明之原 理。雖然本發明已參考一或多個實施例之細節予以說明, 精於此技藝人士當瞭解可作許多改變,而不致有悖本發明 之範疇與精神。 經濟部智慧財產局員工消費合作社印製 20 本紙張尺度適用中國國家標準(CNS)A4規格(210 X 297公釐)

Claims (1)

  1. A8B8C8D8 1226387 六、申請專利範圍 (請先閲讀背面之注意事項再塡寫本頁) 部之前室,該碗部位於入口及噴嘴組件之間,該前室具有 一尖端,其尖端位於噴嘴組件出口之上方,以在噴嘴組件 之前捕捉處理流體流中之氣體。 7. 如申請專利範圍第1項之處理站,其進一步包含一 前室,該前室位於在入口及噴嘴組件之間的碗部,該前室 具有一入口部分,該入口部分具有在具有第二橫截面之噴 嘴組件之前的第一橫截面以及一出口部分,該第一橫截面 係小於該第二橫截面。 8. —種反應器容器,用於電化學地處理一微電子工件, 其包含: 一碗部; 一流體入口,其建構爲重新導引處理流體流進入該碗部;
    在碗部中的噴嘴組件,其建構爲重新導引流體流穿越該碗 部,其中該噴嘴組件包含複數個出口,該複數個出口向內 面對該碗部之內部軸線; 在該噴嘴組件上方的輪廓邊牆,該輪廓邊牆具有噴嘴的第 一橫截面,以及在第一橫截面上方之第二橫截面,其中該 第一橫截面係小於該第二橫截面;以及 至少在該碗部之第一盆狀電極。 9. 如申請專利範圍第8項之反應器容器,其中該噴嘴 組件包含一反向圓錐截面體組件,而其出口包含複數個向 上傾斜之延長狹縫。 10. 如申請專利範圍第8項之反應器容器,其中該噴嘴 組件包含一環狀元件’並且該出口包含在環狀元件之開口’ 2 ^}長尺度適用t國國家標準(CNS)A4規格(210 X 297公釐) "" 1226387 A8 B8 C8 D8 、申請專利範圍 (請先閲讀背面之注意事項再塡寫本頁) 其被排置以徑向地沿著在噴嘴組件之相對向量而導引複數 個流體流。 11·如申請專利範圍第8項之反應器容器’進一步包含 在碗部之第二盆狀電極。 12.如申請專利範圍第8項之反應器容器,其中該第一 盆狀電極包含一環狀導體元件,其具有第一半徑’並且其 中該反應器容器進一步包含在碗部之第二盆狀電極’該碗 部具有大於第一盆狀電極之第一半徑的第二半徑。 13_如申請專利範圍第8項之反應器容器,進一步包含 一前室,其位於入口與噴嘴組件之間的碗部內,該前室具 有位於噴嘴組件出口之上方的頂端,以在噴嘴組件之前擷 取處理流體流中之氣體。 秦- 14.如申請專利範圍第8項之反應器容器,進一步包 含一前室,其位於入口與噴嘴組件之間的碗部內,該前室 具有第一橫截面之入口部分,以及具有第二橫截面之噴嘴 組件之前的出口部分,該第一橫截面小於第二橫截面。 15·—種用於電化學地處理一微電子工件之反應器容 器,其包含: 一碗部; 一流體入口,其建構以導引處理流體流進入該碗部; 一在碗部內之噴嘴組件,其建構以重新導引該流體流 穿越該碗部,其中該噴嘴組件包含一環状牆以及在環 狀牆內之複數個出口,其面向內地朝向該碗部之內部 軸線;以及 中國國家標準(CNS)A4規格(210 X 297公釐) 1226387 A8 滢 D8 六、申請專利範圍 至少一個在碗部內之第一盆狀電極。 16. —種用於電化學地處理一微電子工件之反應器容 器,其包含: 一碗部; 一流體入口,其建構以導引處理流體流進入該碗部; 一在碗部內之噴嘴組件,其建構以重新導引該處理流 體流穿越該碗部,其中該噴嘴組件包含一牆以及在牆 內之複數個出口,其面向內地朝向該碗部之內部軸線; 以及 在該碗部之第一區域之第一盆狀亀極,和與在該碗部 之第二區域內的第一盆狀電極分開之第二盆狀電極。 17. 如申請專利範圍第16項之反應器容器,其中該第 一盆狀電極包含第一導電環,而該第二盆狀電極包含第二 導電環,該第二導電環與第一導電環呈同心圓。 18. 如申請專利範圍第16項之反應器容器,其中該噴 嘴組件之牆包含一環狀牆,而該出口包含在環狀牆內之複 數個水平延長狹縫。 19. 如申請專利範圍第16項之反應器容器,其中該噴 嘴組件之牆包含圓錐截面體牆,而該出口包含在環狀牆內 之複數個水平延長狹縫,而其環狀牆係向上傾斜。 4 適用中國國家標準(CNS)A4規格(210 X 297公釐i (請先閲讀背面之注意事項再填寫本頁) *1τί
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