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TWI335941B - Confinement ring drive - Google Patents

Confinement ring drive Download PDF

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Publication number
TWI335941B
TWI335941B TW095103387A TW95103387A TWI335941B TW I335941 B TWI335941 B TW I335941B TW 095103387 A TW095103387 A TW 095103387A TW 95103387 A TW95103387 A TW 95103387A TW I335941 B TWI335941 B TW I335941B
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Taiwan
Prior art keywords
ring
cam
chamber
plunger
rings
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TW095103387A
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English (en)
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TW200726855A (en
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Peter Cirigliano
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Lam Res Corp
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    • CCHEMISTRY; METALLURGY
    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23FNON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F4/00Processes for removing metallic material from surfaces, not provided for in group C23F1/00 or C23F3/00
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/02Manufacture or treatment of semiconductor devices or of parts thereof
    • H01L21/04Manufacture 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
    • H01L21/18Manufacture 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
    • H01L21/30Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
    • H01L21/302Treatment 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
    • H01L21/306Chemical or electrical treatment, e.g. electrolytic etching
    • H01L21/3065Plasma etching; Reactive-ion etching
    • CCHEMISTRY; METALLURGY
    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23FNON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F1/00Etching metallic material by chemical means
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J37/00Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
    • H01J37/32Gas-filled discharge tubes
    • H01J37/32431Constructional details of the reactor
    • H01J37/32623Mechanical discharge control means
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/67Apparatus 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
    • H01L21/67005Apparatus not specifically provided for elsewhere
    • H01L21/67011Apparatus for manufacture or treatment
    • H01L21/67017Apparatus for fluid treatment
    • H01L21/67063Apparatus for fluid treatment for etching
    • H01L21/67069Apparatus for fluid treatment for etching for drying etching
    • 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
    • Y10S156/00Adhesive bonding and miscellaneous chemical manufacture
    • Y10S156/915Differential etching apparatus including focus ring surrounding a wafer for plasma apparatus

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Plasma & Fusion (AREA)
  • Organic Chemistry (AREA)
  • Metallurgy (AREA)
  • Materials Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Drying Of Semiconductors (AREA)
  • Plasma Technology (AREA)

Description

1335941 九、發明說明: 【發明所屬之技術領域】 •種提明係關於半導體製造,更具體而言,係關於一 、飭動機構的方法及設備’該限制環驅動機構在-活 動範圍内於限制環間提供成比例之間距。 再你 【先前技術】 -,ΐ製if半導體為基礎之裝置期間常將材料層沈積至基板 ,侧處理。可細泛之技峨傾加 “ΐίϊΐ操作之侧機台可包含限制環以將電漿限制在姓刻 法具有限繼奴保護侧室的作用。若無 之寬产合^ίΐίί立相等間隙,則限制環可受驅動以控制壓力 均自二t 予限制。當超越此等不成比湖距之限制時, 非期望==力束 制環==法=要,限制環之活動範图内提供限 ^ 【發明内容】 ⑽^=言’本發明藉由提供-麵以均勻地維持限制環間之 法及設備來献此需求。應注意:可以多種方式Si 本發明’包含· 一種方法、会仃 個創^性實施例。法系、統或έ又備。以下將描述本發明之數 兮i提供一種用於半導體處理室之限制環組件。 ,制核組件中的母一者藉由1距而加以分隔 制環中之每一者甲定義複 限 之對準孔口的-柱塞。該柱塞可在實質==== 5 1335941 中移動◊將一比例調整支撑構件固定於該桂夷 樓構件侧以支雜制環,使錄塞在該平^ _=例調整支 調整分隔複數個限制環中每—者的間距 均勻地 調整支撐為一伸縮套管。 社貫施例中,該比例 在另-實細巾,提供—種半導體處理室。 =數個用以將刪制在蝕刻室之一區域内的|^處= 複ΪΙΓίΓ亦包含固定於相對應之;申縮 弇&的複數個柱塞。該禝數個柱塞沿著實質上與 的^作移動,以至於複數個柱塞之移動使複數個 一者間的間距受到均勻地調整。 衣〒之母 更另—實施例中,提供—種用以在具有複數個限制環之姓 d,電漿的方法。該方法—開始在該_室中施行一钱刻 處理。接者,監控該蝕刻室之處理參數。接下來,以俾使施加至 ,數個限制環巾每-者上之間關整實f上姆的方式,調整 數個限制環中每一者間的間距。 接下來由本發明之原理以例示性方式表現之詳細說明與隨附 之附圖,本發明之其他實施態樣及優點可愈形清晰。/、 【實施方式】 此處敘述用於一種系統、設備及方法之發明,該系統、設備 及方法用以均勻地調整限制環以增進半導體處理室内之蝕刻操 作。然而熟知本藝技者應知:即使不使用某些或所有此處之細節, 仍可施行本發明。在其他情況下,為避免不必要地模糊本發明之 焦點,便不贅述習知之處理操作。 本發明之實施例提供一種系統、設備及方法,該系統、設備 及方法用以在柱塞的整個活動範圍内對限制環之移動提供實質上 線性的控制。此使限制環均勻地移動,俾使每一限制環彼此間的 間距維持實質上相同。即:此處所述之實施例可使限制環間之間 距受到均勻控制。在一實施例中,限制環驅動機構能夠經由所設 6 1335941 來對複數個、限制環提供均勻的間5^控制。該限制 ίϋ以凸輪.為基礎之裝置,該裝置驅動柱塞而使得限 制裱均勻地移動,詳細細節將討論如下。 上係,據ί發明之—實施例之例示性電祕刻室的簡化橫 二盆向圖。在電隸刻室ωι内將電極⑴9設置在待產生電漿ui 。ί圓i撐結構105位於該待產生電黎111於 的,,積下方。在一實施例中,晶圓支樓結構1〇5為一靜電 *二疋義晶圓支撑結構105 ’使其在晶圓107暴露在電衆m期 間支撐晶圓107。 1之電聚1虫刻室101尚包含設置在待產生電毀111於其内 2,周組限制環32Ga_d。設魏制環控制器121以控
Strff"1的飾。在一實施例中,以在電腦系統上執 广,體來代表限制環控制器121。在另—實施射,.硬體(例 替W ,ί片上施行之電路)來代表限制環控制器12卜無論特定之 =例為何’限制環控制器121能夠根雜收自限制環控制器121 以移動該組限制環32—之機械猶作溝通。限制 i亦㈣對該組限制環32Ga_d設定移動及/或支樓用之 時間的可程式期間。 ㈣Ιίί圖老1’處理監控褒置119係用以分析侧室101内所監 件。處理監控裝置119代表—❹個元件或元件之系統, 件之系統能夠分離捕捉到之分析用的輸人(如來自系統 在—實施例巾’來自侧室1G1 _制壓力係藉 送,J'與目前之壓力控制設定值作比較,接著使 二二Μ根據該比較結果作移動。即:若侧室壓力太低,則 立乂衣^之間距縮小以增加晶圓區域之壓力,反之亦然。應注 二區域内部所監控到的此勤如圖2中所示。將該壓力 理監?裝置119所捕捉到的壓力值所觸發之訊號,輸 A :控制器12卜接著,在相對於限制環32〇a_d直交的方 °驅動柱塞310。在-實施例中,旋轉凸輪環3〇4使柱塞31〇 7 1335941 ,動。應注意:可藉由任何習知裝置來監·刻室内之屋力。接 著將所監控到的>1力值輸送到限制環控制器121以決定是 限制環之間距。 在圖1操作餘刻室101期間,該組限制環32〇a_d具有 ill限制在-特定體積(「電漿限制體積」)中的作帛,並控制電▲ 限制體積内的麼力。可使該組限制環32〇a_d均勾地移動以均勾地 增加或減少相鄰關糊的離或_。在—實侧巾,該 凸^來移動。然而應注意:可根據侧處 32〇a-d ° 巧組限_32_之機定義為:使婦關環間之間隙 ΐϊίΐ私如下列將示,柱塞310之移動導致限制環32Ga_d彼i 均勻地移動以使限制環間之間隙均勻地變寬或變窄。 制雷電Ϊ蝕刻室1〇1内之熱變異,在操作期間需控 =度會改變。例如’在操作期間細產物可 ^面。_副產物之沈積會影響_室之熱 j =ΠΗ㈣起溫度變異。_室1G1内之溫度變= 間ΐίίΐίΞΐίί:下列將會更詳細地討論’在侧處理期 刻力,故吾人設置限制環驅動機構以控制姓 在蝕刻室101中,使處理氣體流動通過 開電軸體積。因此,該組限制環之移 叹置之流動區域的仙,該流祕域肋使處理自"將斤 體積離開。因此,調整主流動區域提供 制 =相對應控制,觀詳細地討論,在=== =組限難逃似在綱晴電_^内3 根據本發明之一實施態樣,在電漿處理室〗 句地抬升與降低限制環遍_d之以凸輪為基礎的裝置k 1335941 該基礎之裝置使用凸輪從動件(cam f〇ll〇wers)及凸輪環304以抬 降低連接於限制環的柱塞310。當凸輪環304旋轉時,吾人以 〜協調之方式抬升與降低柱塞310以抬升與降低限制環320a-d。 本發明之另一實施態樣,為了微調越過限制環區域之壓 定製凸輪環之凸輪區域以精準地控制限制環之移動。藉由 =動限制環以控觸過關賴域之壓降(其影響基板表面處之 之壓力即可在不大幅影響其他蝕刻參數的方式下控制基板表面處 均勺發明之—實施例之橫剖面概圖,該圖顯示用以 3〇〇包的以凸輪為基礎之裝置的柱塞裝置。柱塞裝置 方式固定304作滾動接觸之輪3〇2。輪3〇2以可調整之 杯:ίίί樓板3〇6(例如,藉由螺栓及狹縫裝置)上。可將支撲 且實壯相對於反應器上方不可移動 從動=於柱塞310上。柱塞310及隨附之凸輪 =動件3〇8藉由淨簧314而向凸輪環3〇4 續與下表面312作滾動接觸而使柱塞3=著^ S ί,上升與下降。彈簣314 一直將柱塞训 動件308推向凸輪環3〇4之下表面312。 380之平行方向作上下蒋叙 往塞310者軸 所定義的平面直1。下移動該軸380貫質上與由限制環320a-c 仍參照圖2,設置伸縮套管5〇〇並使盆 縮套管500包含數個支樓限制環320a-c用之;出在^塞伸 文到抬升或降低時,限制環32Ga_e相對地以 或降低。應注意··伸縮套管突 式叉到抬升 脹而使限制環320a-c均勻地分琴般可摺疊及膨 成於钱刻室上部之溝槽,的密封二對固定在形 封墊。此外,錢理室㈣_何合^目之數目之密 9 1335941 由二二,塞310之'上下移動係藉由凸輪環304之下表面 中—的控制。如圖2中所示,下表面312包含一凸輪區 一f塞組件皆有其較佳之凸輪區。凸輪區362最好是包含 韓。3二i下傾斜s 370,當凸輪環304赌頭368之方向旋 ,方向旋轉時’該下傾斜面37。可使柱i ί的在e 未使用下傾斜面37G來控制柱塞310。取而代 夕輪壤前後旋轉且凸輪從動件308跟隨上傾斜面366 =輪廓移動時,僅使用上傾斜面366來使柱塞31G向上及向下移 Μ圖2 斜面366可包含兩個具有不同斜坡之分離區域。 3〇Γ=—二面366之斜坡374較斜坡372更陡,以在凸輪環 柱塞310向上及向下移動更大的距離。可使 二 ίϊ (如在晶圓傳輸期間)’而使用斜坡372作 位置之精確㈣(如據力控懈_。躲意:使用伸縮 =b 500可對限制壤32〇a_c間之間隙提供比例調整。此外,可調 整、、,邑緣體150與上限制環間之間隙,及表 ^
更包含壓力監斜151以捕捉敲== 設置在監測埠151内且與圖1之處理監繼119 =的㈣感測裝置,提供用關斷限制環32(^是否需作任何 動之訊號。熟知本技藝者應注意:塵力監控琿151可位J 2㈣域内(例如,絕緣體15G之内緣内)之壓力值的 ;、1罪近限制環驅動組件。在美國專利編號6,019,_中 了找到更夕關於凸輪驅動組件之資訊。 他、Η Γ3係根縣發明之—實關之以6輪為基礎之裝置的簡化 =視概圖。該以凸輪為基礎之裝置包含用以旋轉凸輪環州 附:402得、藉由皮帶404而連接至凸輪環304。皮帶404 輪環3;04輪 罢之ί 406及408處,但可依期望使皮帶環繞凸 輪衣304。張力裝置稱拉緊皮帶之鬆他部分並將凸輪環綱 =之^表面使其與滾輪412與414 設置任何額外數目之;衰輪以疋義凸輪環之滾動中心,但可 用你^中顯示三個沿著凸輪環設置之柱塞組件416。然而,可使 來搭配凸輪環。熟知本技藝者應注意:當 馬心/銜合在凸輪環之下表面上^'當凸輪環藉由 ί塞^ 順時鐘及逆時鐘旋轉時,組件416中之 來移動。選擇性位置反饋裝置42〇(可以線 類之)連接至皮帶4〇4°然而,可使用任何其他 料及凸輪供與凸輪環旋轉之相_料。自反饋資 裝處麵,吾人爾餘塞310及電 隸本發明之另一實施態樣,以凸輪為基礎之裝置呈有均句 之貫施例在__達職力控制。雖然吾人可藉由ί種 氣體之輸人速率)來改賴雌力(即,在 ===善=若吾人僅達成局灿^ 圖,^伸的擴大概 設置在柱塞3丨〇上ΐ將伸縮套管500 套管50。固定至柱塞31==:=中=:),縮 固定雜塞3H)之上部。夢著:魅二Z伸縮套管500 及下表面間定義特定之距離。應注意 包覆膜,如鐵氟龍包覆膜。廄,、太立. 境匹配,且不會使可2覆膜可為任何與電漿環 ::此外,該包覆‘=適之應基=管子== ,槓桿504。將柱塞31〇固定於閃5〇1上 連區 門ίi當柱塞向下_環=i 限觀間之間距均勻地減小。當柱塞 了 ia:ci方向移動時,限制環間之間距均勾地增大 抱軸槓桿樞紐槓桿的簡化概圖。 為由』二f點502。在一實施例中,樞轴點502 =ί二:義孔。在另一實施例中’槓桿5〇4之角落508 ,的。此外,將限制環支撐於其上之表面512二 環之移__將限制環支撐得更好且補償任Ϊ傾 支有微凹口之槐紐槓桿504至具有表面512之 洁牙^一Ϊ貫知例中,插紐槓桿504可由金屬(如不錄鋼)所構 ί蚀?1^施例中’可將如上述伸縮套管包覆膜之匹配包覆膜 將電之—實施例的操作流程圖,該操作係用以 520 Λ個限制環祕刻室中。該方法開始於操作 兮細产處理。此處可施行任何合適侧處理, ^刻處理需要產生受限制之電漿。該方法接著到操作從处 =刻^處理參數。例如,可經㈣知技術來監控㈣室内 土。Ρ1鞋刻操作之進行,溫度改變及其他因子可使壓力查 力Ϊ弓的技術為:根據此處所述之實施例來調整限制 衣a a。在操作524中’以俾使每一限制環間之間距受到實 12 1335941 铲相等調整的:式來調整限制環間之間距。參照圖 ^使用伸縮套官或樞㈣桿,及配合 例移動。藉由維持限制環間之成比例的==加 =链刻之㈣’且可避免支配録魏舰度祕制環大 $方法及設備。經以力 成燹,間距,而達到實質上相等之限iis 支樓,件自柱塞處將移動轉換為每—限制環之比例^動。’以 為達清楚了解之目的已就某種程度上將本發明作詳 ϋ ί將i t利範圍内可對本發明作變化及修改。 =應將本實施例視為例示性而非限制性者,且本發明並不限 節之中請專利範圍的範#及等效物内可 對本發明作修改。在申請專利範圍中, 明確的闡述,元件及/或步驟並衫味著任何特定之操=中序有 【圖式簡單說明】 社椹由ί:來,詳細說明及附圖,可使本發明易於了解;類似之 、,口構7L件將以類似之標號表示之。 概圖 係根據本發明之—實施例之橫剖面概®,簡顯示用以 成比例地移動限制環的以凸輪為基礎之裝置的柱塞裝置。 俯視=係根據本發明之—實施例之以凸輪為基礎之裝置的簡化 圖Hi?據本發明之一實施例之柱塞及伸縮套管的擴大概 圖,該伸縮套管能夠均勻地調整限制環間之間距。 圖5係根據本發明之-實施例之抱紐槓桿組件的簡化概圖, 圖1係根據本發明之-貫施例之例示性似彳室的簡化橫剖面 13 該組件如另一另一實施例圖4之 制環間之間距。 、、套&,係用以均勻地調整限 ==紐槓桿組件之其中-樞紐槓桿的簡化概圖。 將雷據本發明之—實施_操作流賴,該操作係用以 將電裳限制在具有複數個限制環_刻室中。 【主要元件符號說明】 101 •電聚餘刻室 105 :晶圓支樓結構 107 ·晶圓 108 :表面 109 :電極 111 :電漿 117 :管線 119 :處理監控裝置 121 :限制環控制器 150 :絕緣體 151 :壓力監控埠 3〇〇 :柱塞裝置 _ 302 :輪 304 :凸輪環 306 :支撐板 308 :凸輪從動件 310 :柱塞 312 :凸輪環304之下表面 314 :彈簧 318 :扣件 320a-d :限制環 360 :密封墊 14 1335941 362 凸輪區 366 傾斜面 _ 368 方向箭頭 370 傾斜面 372 斜坡 374 斜坡 380 軸 390 方向箭頭 402 馬達 404 皮帶 ® 406 點 408 點 410 張力裝置 416 柱塞組件 420 選擇性位置反饋裝置 500 伸縮套管 501 閂 502 樞轴點 503 枢紐損桿組件 φ 504 枢紐槓桿 508 角落 510 角落 512 表面 520 在蝕刻室中施行蝕刻處理 522 監控蝕刻室之處理參數 524 :以俾使複數個限制環中每一者間之間距調整實質上相等的方 式來調整複數個限制環中每一者間的間距 15

Claims (1)

1335941 丹年9月3〇曰修正替換頁 95103387(無劃線 1 十·、申請專利範圍: 一— 1_ -種半導體處理錢之限她件,其包含: 彼此上下豐設的複數個限制環,★ m ^ — 作分隔,該複數個_環中之每-者 質上與該限制環直交:對準孔’該柱塞可在實 一比例調整支撐構件,固定在 其中該 件用以支_等限制環,使得比例調整支標構 例地調整分隔該複數個限制環;;—‘的;:距上2時’成比 整支樓構件包含複數個突出部,該ϋ:、中該比例調 ;=制者所形成的該 柱塞及-套官係牙複數個孔中之每—者而配置更,、 2該套如管申奴轉物派_鱗,其中 ㈣2奴彻處则—心 禝數個突出部,該突出部之該數目相等於限制環之數目。 4.如申請專利範圍之第2項之半導體處 該伸縮套管包含: 千h處理至用之限制組件,其中 一非反應性聚合物的一包覆膜。 i如申請專利範圍之第1項之半導體處理室用之限制組件,更包 一凸輪從動件,固定於該柱塞上;及 -凸輪環,其中該凸輪從動件與其作滾動接觸。 16 1335941 99年9月30日修正替換頁 95103387(無劃線) 6.—種半導體處理室,包含·: =個限制環’用以將_電漿限制在該 硬數個伸縮套管,支標該限制環;及 £域内 俾使該複數個 每—者包含:複數個該突出部具有 配 7.如申請專利範圍之第6項之半導體處理室,更包 一凸輪j哀,配置在該處理室之一上表面上。 8·如申請專利細之第7項之半導體處理室,更 凸輪從動件,對應地固定於該柱塞中之每 件中之每-者無凸輪環作滾動連接。 "凸輪k動 9.如申請專職圍之第7項之半導體處理室,更包 與該複數個柱塞巾之每-者相對應之科,該 該相對應之凸輪從動件抵靠於該凸輪環之—表社賴力:、 如申請專纖圍之第7項之伟斷理室,其中該凸輪環包 一上傾斜面;及 一下傾斜面。 範 U. -種將電_制在侧室中之方法,該蝴室具有t請專利 17 ^41 99年9月30曰修正替換頁 圍第1項之半導體處理㈣之限 ^' 驟’在雜刻室中施行—牛包含下雅 -間距步二室之處理參數;及 間距。^成比例_整分隔該複數個限制環中每-者的ί k2中====謂她嗓侧室中之方法, 監控一蝕刻室壓力; 判斷將該爛室壓力應增大或減小。 13.如申請專利範圍之第u 其中該間距調整步驟包含:、之將⑦水限制在_室中之方法, 收縮-組伸』以ί二:Si ί壓f力; 及 娜中之方法, 改變固定於該柱塞之—凸輪從動件的位置。 15·如申清專利範圍之裳1Ί _ Η*一、圖式:
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