TW202137293A - 基板處理裝置及基板處理方法 - Google Patents
基板處理裝置及基板處理方法 Download PDFInfo
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- TW202137293A TW202137293A TW110100192A TW110100192A TW202137293A TW 202137293 A TW202137293 A TW 202137293A TW 110100192 A TW110100192 A TW 110100192A TW 110100192 A TW110100192 A TW 110100192A TW 202137293 A TW202137293 A TW 202137293A
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Abstract
本發明提供一種基板處理裝置及基板處理方法,可調節基板面內的氟樹脂膜之形成範圍。基板處理裝置,具備:疏水化處理部,施行藉由疏水化處理用之疏水化氣體的蒸鍍,而於基板的正面形成疏水化膜之疏水化處理;紫外線照射部,藉由對基板的背面中之去除區域照射紫外線,而將在疏水化處理中形成於去除區域的疏水化膜去除;以及樹脂膜形成部,於去除疏水化膜後之去除區域,形成氟樹脂膜。
Description
本發明係關於一種基板處理裝置及基板處理方法。
於專利文獻1揭露一種基板處理裝置,具備將降低摩擦膜形成在基板的背面之膜形成部,該降低摩擦膜,降低基板的背面與於曝光處理時保持基板的背面之保持面的摩擦。作為藉由膜形成部形成之降低摩擦膜的具體例,可列舉氟樹脂膜。
[習知技術文獻]
[專利文獻]
專利文獻1:日本特開第2019-121683號公報
[本發明所欲解決的問題]
本發明提供一種基板處理裝置及基板處理方法,可調節基板面內的氟樹脂膜之形成範圍。
[解決問題之技術手段]
本發明的一態樣之基板處理裝置,具備:疏水化處理部,施行藉由疏水化處理用之疏水化氣體的蒸鍍,而於基板的正面形成疏水化膜之疏水化處理;紫外線照射部(去除部),藉由對基板的背面中之去除區域照射紫外線,而將在疏水化處理中形成於去除區域的疏水化膜去除;以及樹脂膜形成部,於已去除疏水化膜之去除區域,形成氟樹脂膜。
[本發明之效果]
依本發明,提供了一種基板處理裝置及基板處理方法,其可調節基板面內的氟樹脂膜之形成範圍。
以下,針對各種例示性實施形態予以說明。
一例示性實施形態之基板處理裝置,具備:疏水化處理部,施行藉由疏水化處理用之疏水化氣體的蒸鍍,而於基板的正面形成疏水化膜之疏水化處理;紫外線照射部,藉由對基板的背面中之去除區域照射紫外線,而將在疏水化處理中形成於去除區域的疏水化膜去除;以及樹脂膜形成部,於去除疏水化膜後之去除區域,形成氟樹脂膜。
此基板處理裝置,於未形成疏水化膜之區域、與已去除疏水化膜之區域,形成氟樹脂膜。另一方面,於形成有疏水化膜之區域,未形成氟樹脂膜。亦即,藉由紫外線的照射將疏水化膜去除之區域,對應於氟樹脂膜之形成範圍。因而,藉由以紫外線的照射調節疏水化膜之去除區域,而可調節基板面內的氟樹脂膜之形成範圍。
基板處理裝置,亦可更具備塗布膜形成部,其藉由將處理液供給至形成氟樹脂膜後之基板的正面,而於正面形成塗布膜。此一情況,可在保持形成於背面的氟樹脂膜之狀態下,於基板的正面形成塗布膜。
基板處理裝置,亦可更具備顯影處理部,其對於對塗布膜施行曝光處理後之基板,施行顯影處理。去除區域,亦可設定於背面中之邊緣部以外的區域。此一情況,於背面之邊緣部以外的區域形成氟樹脂膜,故在曝光處理中可降低基板的保持部與背面之間的摩擦。
紫外線照射部,亦可具備:紫外線照明部,可對包含去除區域的區域照射紫外線;以及遮光構件,配置於紫外線照明部與背面之間,遮蔽紫外線的往背面中之去除區域以外的區域之照射。此一情況,可藉由遮光構件的形狀調節疏水化膜之去除區域,故氟樹脂膜之形成範圍的調節簡單。
遮光構件亦可包含保持臂,該保持臂以覆蓋背面之去除區域以外的區域之狀態保持基板。此一情況,可藉由保持臂施行基板的搬運與紫外線的遮光,故可追求裝置的簡化。
遮光構件亦可包含遮蓋構件,該遮蓋構件配置於保持基板的保持部與紫外線照明部之間。此一情況,藉由遮蓋構件的形狀調節氟樹脂膜之形成範圍即可,故可簡化保持部。
疏水化處理部,其亦可藉由將疏水化氣體供給至用於施行疏水化處理之處理空間內,而對正面施行疏水化氣體的蒸鍍。樹脂膜形成部,其亦可藉由將氟樹脂膜形成用的處理氣體供給至該處理空間內,而對背面施行處理氣體的蒸鍍。此一情況,可在疏水化處理與氟樹脂膜的形成中共用形成處理空間之單元,故可追求裝置的簡化。
一例示性實施形態之基板處理方法,包含如下步驟:施行藉由疏水化處理用之疏水化氣體的蒸鍍,而於基板的正面形成疏水化膜之疏水化處理;藉由對基板的背面中之去除區域照射紫外線,而將在疏水化處理中形成於去除區域的疏水化膜去除;以及於去除疏水化膜後之去除區域,形成氟樹脂膜。此基板處理方法,與上述基板處理裝置同樣地,可調節氟樹脂膜之形成範圍。
以下,參考圖式,針對一實施形態予以說明。於說明中,對同一要素或具有同一功能之要素給予同一符號,將重複的說明省略。
[基板處理系統]
圖1所示之基板處理系統1,係對工件W,施行感光性被覆膜的形成、該感光性被覆膜的曝光、及該感光性被覆膜的顯影之系統。作為處理對象之工件W,例如為基板,抑或藉由施行既定處理而形成有膜或電路等之狀態的基板。工件W所包含之基板,作為一例,為含有矽之晶圓。工件W(基板),亦可形成為圓形。
作為處理對象之工件W,可為玻璃基板、遮罩基板、FPD(Flat Panel Display,平板顯示器)等,亦可為對此等基板等施行既定處理而可獲得的中間體。另,於工件W的邊緣存在斜角(倒角)之情況,本說明書中之工件W的「正面」,亦包含從工件W的正面側觀察時之斜角部分。同樣地,工件W的「背面」,亦包含從工件W的背面側觀察時之斜角部分;工件W的「端面」,亦包含從工件W的端面側觀察時之斜角部分。感光性被覆膜,例如為光阻膜。
基板處理系統1,具備塗布/顯影裝置2、及曝光裝置3。曝光裝置3,係將形成於工件W(基板)的光阻膜(感光性被覆膜)曝光之裝置。具體而言,曝光裝置3,藉由液浸曝光等方法,對光阻膜的曝光對象部分照射能量線。塗布/顯影裝置2,於曝光裝置3所進行的曝光處理前,施行在工件W的正面塗布光阻液(藥液)而形成光阻膜之處理,於曝光處理後施行光阻膜的顯影處理。
(基板處理裝置)
以下,作為基板處理裝置的一例,說明塗布/顯影裝置2的構成。如圖1及圖2所示,塗布/顯影裝置2,具備載具區塊4、處理區塊5、介面區塊6、及控制裝置100。
載具區塊4,施行工件W之往塗布/顯影裝置2內的導入、及工件W之從塗布/顯影裝置2內的導出。例如,載具區塊4,可支持工件W用的複數個載具C,內建有包含傳遞臂之搬運裝置A1。載具C,例如收納圓形之複數片工件W。搬運裝置A1,將工件W從載具C取出而往處理區塊5遞送,從處理區塊5接收工件W而返回至載具C內。處理區塊5,具備處理模組11、12、13、14。
處理模組11,內建:液體處理單元U1、熱處理單元U2、及將工件W搬運至此等單元之搬運裝置A3。處理模組11,藉由液體處理單元U1及熱處理單元U2,於工件W的正面上形成下層膜。液體處理單元U1,將下層膜形成用之處理液塗布於工件W上。熱處理單元U2,施行伴隨下層膜的形成之各種熱處理。處理模組11,更具備膜形成單元U3。膜形成單元U3,對形成有下層膜之工件W的正面施行疏水化處理,於該工件W的背面形成包含氟樹脂之膜。針對膜形成單元U3的細節,將於之後詳述。
處理模組12,內建:液體處理單元U1、熱處理單元U2、及將工件W搬運至此等單元之搬運裝置A3。處理模組12,藉由液體處理單元U1及熱處理單元U2,於下層膜上形成光阻膜。液體處理單元U1(塗布膜形成部),藉由將光阻膜形成用之處理液(光阻液)供給至施行疏水化處理後之工件W的正面,而於工件W的正面形成光阻膜(塗布膜)。熱處理單元U2,施行伴隨光阻膜的形成之各種熱處理。
處理模組13,內建:液體處理單元U1、熱處理單元U2、及將工件W搬運至此等單元之搬運裝置A3。處理模組13,藉由液體處理單元U1及熱處理單元U2,於光阻膜上形成上層膜。液體處理單元U1,將上層膜形成用之液體塗布於光阻膜上。熱處理單元U2,施行伴隨上層膜的形成之各種熱處理。
處理模組14,內建:液體處理單元U1、熱處理單元U2、及將工件W搬運至此等單元之搬運裝置A3。處理模組14,藉由液體處理單元U1及熱處理單元U2,施行已施行曝光處理之光阻膜的顯影處理、及伴隨顯影處理的熱處理。液體處理單元U1(顯影處理部),於曝光完畢之工件W的正面上塗布顯影液後,將其以清洗液洗去,藉以施行光阻膜的顯影處理。熱處理單元U2,施行伴隨顯影處理之各種熱處理。作為熱處理的具體例,可列舉:顯影處理前的加熱處理(PEB:Post Exposure Bake)、顯影處理後的加熱處理(PB:Post Bake)等。
於處理區塊5內之載具區塊4側,設置棚架單元U10。棚架單元U10,分隔為在上下方向並排的複數個小單元。於棚架單元U10附近,設至包含升降臂之搬運裝置A7。搬運裝置A7,使工件W在棚架單元U10的小單元彼此之間升降。
於處理區塊5內之介面區塊6側,設置棚架單元U11。棚架單元U11,分隔為在上下方向並排的複數個小單元。
介面區塊6,在與曝光裝置3之間施行工件W的傳遞。例如,介面區塊6,與曝光裝置3連接,內建有包含傳遞臂之搬運裝置A8。搬運裝置A8,將配置於棚架單元U11之工件W往曝光裝置3遞送。搬運裝置A8,從曝光裝置3接收工件W而返回至棚架單元U11。
(膜形成單元)
而後,參考圖3、圖4(a)、及圖4(b),詳細地說明膜形成單元U3的一例。膜形成單元U3,依序施行:對於工件W之正面Wa的疏水化處理、紫外線的往工件W之背面Wb的照射、及含氟樹脂之膜(下稱「氟樹脂膜Ff」)的對工件W之背面Wb的形成。膜形成單元U3,如圖3所示,具備蒸鍍處理部20及紫外線照射部60。蒸鍍處理部20之一部分與紫外線照射部60,亦可收納於一個筐體(未圖示)內。
於圖3例示之膜形成單元U3,在使蒸鍍處理部20施行對於工件W之正面Wa的疏水化處理後,使紫外線照射部60施行紫外線之往工件W的照射。而後,蒸鍍處理部20,於紫外線照射後之工件W的背面Wb形成氟樹脂膜Ff。藉由施行疏水化處理,於工件W的正面Wa形成經疏水化的膜(下稱「疏水化膜Fh」)。以下,將疏水化膜Fh與氟樹脂膜Ff統稱作「處理膜」,將包含疏水化處理與氟樹脂膜之形成處理的處理稱作「處理膜的形成處理」。以下,依對於工件W的處理之順序,針對蒸鍍處理部20的各要素與紫外線照射部60的各要素予以說明。蒸鍍處理部20,例如具備熱板22、腔室24、升降部28、疏水化處理部40、及氟樹脂膜形成部50。
熱板22,將工件W加熱。熱板22,例如形成為略圓板狀,於支持台(未圖示)水平地設置。熱板22,具有載置面22a。藉由將作為處理對象之工件W載置於載置面22a,而使熱板22支持工件W。熱板22,將載置於載置面22a之工件W加熱。熱板22,亦可包含由電阻發熱體構成之加熱器。加熱器,例如,設置於熱板22的內部或與載置面22a為相反側的底面。
腔室24,包圍熱板22的載置面22a。腔室24,例如具備頂板24a及側壁24b。頂板24a,形成為具有與熱板22同程度之直徑的圓板狀。頂板24a,配置為與載置面22a在上下方向中相對向。側壁24b,形成為從頂板24a之外緣往下方延伸。
腔室24,可沿著上下方向移動。腔室24,例如在下降位置與上升位置之間移動;於該下降位置,形成用於施行處理膜的形成處理之空間(下稱「處理空間V」),於上升位置使處理空間V開放。使腔室24位於下降位置時,亦可使側壁24b之下端接觸熱板22。蒸鍍處理部20,更具備使腔室24升降之腔室驅動部26。腔室驅動部26,例如為藉由氣壓缸或電動馬達等動力源使腔室24升降之升降致動器。
升降部28,在熱板22之上方中使工件W升降。升降部28,例如具備複數根支承銷32、及銷驅動部34。支承銷32,係從下方支持工件W的銷。複數根支承銷32,形成為往上下方向延伸,以往上下方向貫通熱板22的狀態設置。複數根支承銷32,亦可於圓周方向等間隔地配置。
複數根支承銷32,可沿著上下方向移動。複數根支承銷32,例如在載置位置與分離位置之間移動;於載置位置,將工件W載置於熱板22之載置面22a,於分離位置,使工件W往較載置面22a更上方離開。銷驅動部34,藉由使複數根支承銷32升降,而使工件W沿著上下方向移動。銷驅動部34,例如,係藉由氣壓缸或電動馬達等動力源使複數根支承銷32升降之升降致動器。
疏水化處理部40,施行疏水化處理:藉由疏水化處理用之氣體(下稱「疏水化氣體」)的蒸鍍,而於工件W的正面Wa形成疏水化膜。藉由對工件W的正面Wa施行疏水化處理(藉由形成疏水化膜Fh),而確保於疏水化處理後形成在正面Wa的光阻膜與正面Wa之密接性。疏水化氣體,若包含可將正面Wa疏水化之化合物則無限定,例如亦可為包含HMDS(六甲基二矽氮烷:(CH3
)3
SiNHSi(CH3)3
)之氣體。疏水化處理部40,在使腔室24下降而形成處理空間V之狀態下,將疏水化氣體供給至該處理空間V。
疏水化處理部40,例如包含氣體供給源42、氣體供給路44、及開閉閥46。氣體供給源42,為疏水化氣體之供給源。氣體供給源42,亦可為包含HMDS的氣體(下稱「HMDS氣體」)之供給源。氣體供給源42,亦可使包含HMDS之原料液氣化而生成HMDS氣體,藉由氮氣將HMDS氣體向處理空間V送出。氣體供給路44,與氣體供給源42及形成在腔室24內之處理空間V連接。氣體供給路44的處理空間V側之端部,例如往上下方向貫通腔室24的頂板24a,將形成於該端部的供給口44a向處理空間V開口。
開閉閥46,設置於氣體供給路44,將氣體供給路44的流路開啟關閉。開閉閥46呈開啟狀態時,從氣體供給源42將疏水化氣體供給至處理空間V;開閉閥46呈關閉狀態時,並未從氣體供給源42將疏水化氣體供給至處理空間V。另,蒸鍍處理部20,亦可更具備用於將處理空間V內的氣體(例如疏水化氣體)排出之排氣部。作為一例,於處理空間V內存在HMDS氣體的氣體環境下,藉由以熱板22將工件W加熱,而於正面Wa使矽烷基結合。藉此,於工件W的正面Wa形成疏水化膜Fh(矽烷化膜)。
施行HMDS氣體等之疏水化氣體的蒸鍍所進行之疏水化處理時,將工件W載置於載置面22a,但在工件W的背面Wb與載置面22a之間可能產生微小的間隙。因此,疏水化氣體迴繞至背面Wb,在背面Wb之邊緣部及較邊緣部更為內側之區域亦形成疏水化膜Fh。膜形成單元U3,藉由紫外線照射部60,將形成於背面Wb的疏水化膜Fh之一部分去除。
紫外線照射部60,藉由對工件W的背面Wb中之既定區域(下稱「去除區域Sr」)照射紫外線,而將在疏水化處理中形成於背面Wb之去除區域Sr的疏水化膜Fh去除。紫外線照射部60,其構成方式為不將背面Wb中之形成於去除區域Sr以外的區域(下稱「非去除區域Sn」)之疏水化膜Fh去除。例如,紫外線照射部60,未對非去除區域Sn照射紫外線。如圖4(a)所示,可將非去除區域Sn設定於背面Wb之邊緣部的全周,將去除區域Sr設定於非去除區域Sn的內側。非去除區域Sn,亦可設定為將背面Wb之斜角部分全部覆蓋。例如,亦可於工件W的全周中,使非去除區域Sn的半徑方向之寬度,較斜角部分之寬度更大。
如圖3所示,紫外線照射部60,於水平方向中與蒸鍍處理部20(熱板22及腔室24)並排配置。紫外線照射部60,例如具備保持臂62、臂驅動部64、及紫外線燈66(紫外線照明部)。保持臂62,保持工件W。保持臂62,例如保持工件W的背面Wb。保持臂62,設置為可在收納紫外線照射部60、熱板22、腔室24、及升降部28的筐體內移動。例如,使保持臂62,可沿著往水平方向延伸之導軌(未圖示)而移動。
保持臂62,在和熱板22重疊的傳遞位置,與從該傳遞位置往水平方向分離的待機位置之間移動。在使腔室24與熱板22分離而將處理空間V開放的狀態下,於傳遞位置中在保持臂62與支承銷32之間施行工件W的傳遞。臂驅動部64,藉由使保持臂62沿著水平方向移動,而使工件W在待機位置與傳遞位置之間移動。臂驅動部64,例如為藉由電動馬達等動力源,使保持臂62於水平方向來回移動之水平致動器。另,在圖3,例示使保持臂62未於待機位置之狀態。
保持臂62,亦可保持工件W的邊緣部。如圖4(b)所示,保持臂62,亦可形成為從上下方向觀察呈圓環狀(環狀)。於圖4(b)例示之保持臂62,包含往水平方向延伸的支持部72、及往上方延伸的限制部74(亦參考圖3)。支持部72,形成為圓環狀,支持背面Wb之邊緣部的全周。限制部74,例如,設置於圓環狀的支持部72之外緣(側面)的全周或一部分,限制工件W的水平方向之移動。
在使保持臂62保持工件W之狀態下,支持部72,覆蓋工件W的背面Wb之邊緣部。具體而言,從由背面Wb朝向正面Wa之方向觀察,支持部72覆蓋背面Wb之非去除區域Sn。亦即,支持部72之寬度(徑方向之長度),與非去除區域Sn之寬度(工件W的半徑方向之長度)略相同。換而言之,支持部72之從厚度方向觀察的形狀,對應於非去除區域Sn;支持部72之形成於中央部的開口的形狀(輪廓),對應於去除區域Sr。
紫外線燈66,係為了將疏水化膜Fh去除之可射出紫外線的光源。紫外線燈66,若可將疏水化膜Fh去除,則亦可射出具有任意波長之紫外線。如圖3所示,紫外線燈66,亦可配置於保持臂62的待機位置與蒸鍍處理部20(熱板22上方的傳遞位置)之間。紫外線燈66,例如,較保持臂62沿著水平方向移動之移動線位於更下方,朝向上方射出紫外線。
紫外線燈66,可至少對工件W的背面Wb中之去除區域Sr照射紫外線。紫外線燈66,亦可對沿著與保持臂62之移動線交叉的水平線而延伸之線狀的照射區域,照射紫外線。紫外線燈66所進行之紫外線的照射範圍之寬度(長軸之長度),可與工件W的直徑為相同程度,或較工件W的直徑更大。紫外線燈66,在藉由臂驅動部64使工件W移動的期間,朝向通過該紫外線燈66的上方之工件W的背面Wb射出紫外線。在線狀的照射範圍為工件W的直徑以上之情況,紫外線燈66,可對工件W的背面Wb之全域照射紫外線。
如同上述,使保持臂62,以保持臂62的支持部72覆蓋背面Wb中之非去除區域Sn的狀態保持工件W,故朝向背面Wb之全域射出的紫外線之一部分,受到保持臂62遮蔽而未到達非去除區域Sn。另,保持臂62(支持部72)的底面,亦可由將來自紫外線燈66的紫外線反射或吸收之材料形成。如同上述,於圖3及圖4(b)例示之保持臂62,作為遮光構件而作用,其配置於紫外線燈66與背面Wb之間,遮蔽紫外線的往背面Wb中之非去除區域Sn的照射。另,於背面Wb設定之非去除區域Sn(去除區域Sr)的大小,由保持臂62之支持部72界定。亦即,在背面Wb中之由支持部72覆蓋的區域,紫外線並未到達,疏水化膜Fh並未去除,故該區域成為非去除區域Sn。
回到蒸鍍處理部20的說明,氟樹脂膜形成部50,於去除疏水化膜Fh後之去除區域Sr,形成氟樹脂膜Ff。氟樹脂膜形成部50,其亦可藉由將氟樹脂膜形成用的氣體(下稱「處理氣體」)供給至處理空間V,而對背面Wb施行處理氣體的蒸鍍。處理氣體,若可形成氟樹脂膜Ff則無限定,例如,作為化合物,為包含PTFE(聚四氟乙烯:Poly Tetra Fluoro Ethylene)之氣體。
氟樹脂膜形成部50,例如包含氣體供給源52、氣體供給路54、及開閉閥56。氣體供給源52,為氟樹脂膜形成用的處理氣體之供給源。氣體供給路54,亦可為包含PTFE的氣體(下稱「PTFE氣體」)之供給源。氣體供給路54,亦可使包含PTFE之原料液氣化而生成PTFE氣體,藉由氮氣將PTFE氣體向處理空間V送出。氣體供給路54,與氣體供給源52及形成在腔室24內之處理空間V連接。氣體供給路54的處理空間V側之端部,例如往上下方向貫通熱板22,將形成於該端部的供給口54a向處理空間V開口。
開閉閥56,設置於氣體供給路54,將氣體供給路54的流路開啟關閉。開閉閥56呈開啟狀態時,從氣體供給源52將處理氣體供給至處理空間V;開閉閥56呈關閉狀態時,並未從氣體供給源52將處理氣體供給至處理空間V。作為一例,在藉由複數根支承銷32,將工件W配置於背面Wb與熱板22分離的分離位置之狀態下,將PTFE氣體供給至處理空間V內,藉以於背面Wb蒸鍍PTFE氣體(形成氟樹脂膜Ff)。此時,在背面Wb中之未形成疏水化膜Fh的區域(去除區域Sr)蒸鍍PTFE氣體,與其相對,在形成有疏水化膜Fh的區域(非去除區域Sn)並未蒸鍍PTFE氣體。其結果,於非去除區域Sn並未形成氟樹脂膜Ff,於去除區域Sr形成氟樹脂膜Ff。
形成於背面Wb(去除區域Sr)的氟樹脂膜Ff,在膜形成單元U3的處理之後的步驟中,具有降低保持背面Wb的構件與背面Wb之間的摩擦之功能,或保護背面Wb之功能。例如,於塗布/顯影裝置2中形成光阻膜後施行曝光處理之曝光裝置3,為了施行光阻膜的曝光處理,而將該工件W從支持工件W的中心部之升降銷往平台載置。而後,工件W,在吸附於平台之狀態下保持,於平台中以使工件W的位置固定之狀態,施行照射(能量線的照射)。
然而,支持於升降銷之工件W,因其自身重量,外周部較中心部更往下方彎,故工件W以從工件W的外周部朝向中心部之順序,對平台表面接觸。此一結果,由於工件W的外周部先吸附於平台,故有工件W的中心部在受到應力(stress)之狀態下吸附的情況。此外,在往曝光裝置3搬運之工件W不平坦、產生扭曲的情況,亦可能以在工件W受到應力之狀態下吸附於平台的狀態保持。若如此地在工件W受到應力之狀態下吸附於平台,則有工件W變形,對從期望的區域偏離之區域施行照射的情況。
相對於此,藉由於工件W的背面Wb形成氟樹脂膜Ff,而以氟樹脂膜Ff降低背面Wb與曝光裝置3的平台之間的摩擦。此一結果,在將工件W載置於曝光裝置3的平台時,因摩擦之降低而將工件W以滑動的方式載置於平台上,降低上述應力。此一結果,可抑制曝光裝置3之平台中的目標位置與工件W的載置位置之偏離。
(控制裝置)
而後,參考圖5,針對控制裝置100予以說明。控制裝置100,控制塗布/顯影裝置2的各要素。控制裝置100,實行如下步驟:藉由疏水化處理部40,將疏水化處理用之疏水化氣體於正面Wa蒸鍍,於工件W的正面Wa形成疏水化膜Fh。此外,控制裝置100,實行如下步驟:藉由紫外線照射部60,對去除區域Sr照射紫外線,將在疏水化處理中形成於去除區域Sr的疏水化膜Fh去除;以及藉由氟樹脂膜形成部50,於去除疏水化膜Fh後之去除區域Sr,形成氟樹脂膜Ff。
控制裝置100,由一或複數台控制用電腦構成。例如,控制裝置100,具備圖5所示之電路110。電路110,具備:一或複數個處理器112、記憶體114、儲存器116、輸出入埠118、及計時器122。儲存器116,例如具備硬碟等可由電腦讀取之記錄媒體。記錄媒體,儲存用於使控制裝置100實行後述基板處理方法的程式。記錄媒體,亦可為非揮發性半導體記憶體、磁碟及光碟等可取出的媒體。記憶體114,暫時儲存從儲存器116之記錄媒體裝載的程式及處理器112所進行的運算結果。
處理器112,與記憶體114協同而實行上述程式。輸出入埠118,遵循來自處理器112的指令,在與熱板22(加熱器)、腔室驅動部26、銷驅動部34、開閉閥46與56、臂驅動部64、及紫外線燈66等之間施行電訊號的輸出入。計時器122,例如藉由計算一定周期之基準脈波而量測經過時間。另,控制裝置100的硬體構成,亦可由專用之邏輯電路或將其整合之ASIC(Application Specific Integrated Circuit,特殊應用積體電路)構成。
[塗布顯影處理]
而後,參考圖6,作為基板處理方法的一例,針對在塗布/顯影裝置2中施行的塗布顯影處理予以說明。控制裝置100,例如控制塗布/顯影裝置2俾以下述程序實行塗布顯影處理。首先,控制裝置100,控制搬運裝置A1俾將載具C內之工件W搬運至棚架單元U10,控制搬運裝置A7俾將該工件W配置於處理模組11用的小單元。
接著,控制裝置100,控制搬運裝置A3俾將棚架單元U10之工件W搬運至處理模組11內之液體處理單元U1及熱處理單元U2。此外,控制裝置100,控制液體處理單元U1及熱處理單元U2,俾於此工件W的正面Wa上形成下層膜(步驟S01)。其後,控制裝置100,控制搬運裝置A3俾將形成下層膜後之工件W往膜形成單元U3搬運。
接著,控制裝置100,實行包含如下步驟之處理膜的形成處理:對工件W的正面Wa施行疏水化處理、及於工件W的背面Wb形成氟樹脂膜(步驟S02)。針對步驟S02的細節,將於之後詳述。其後,控制裝置100,控制搬運裝置A3俾使施行處理膜的形成處理後之工件W返回棚架單元U10,控制搬運裝置A7俾將該工件W配置於處理模組12用的小單元。
接著,控制裝置100,控制搬運裝置A3俾將棚架單元U10之工件W搬運至處理模組12內之液體處理單元U1及熱處理單元U2。此外,控制裝置100,控制液體處理單元U1及熱處理單元U2,俾對此工件W的正面Wa形成光阻膜(步驟S03)。其後,控制裝置100,控制搬運裝置A3俾使工件W返回棚架單元U10,控制搬運裝置A7俾將該工件W配置於處理模組13用的小單元。
接著,控制裝置100,控制搬運裝置A3俾將棚架單元U10之工件W搬運至處理模組13內之各單元。此外,控制裝置100,控制液體處理單元U1及熱處理單元U2,俾於此工件W的光阻膜上形成上層膜(步驟S04)。其後,控制裝置100,控制搬運裝置A3俾將工件W搬運至棚架單元U11。
接著,控制裝置100,控制搬運裝置A8俾將棚架單元U11之工件W往曝光裝置3送出。其後,控制裝置100,控制搬運裝置A8俾從曝光裝置3承接施行過曝光處理之工件W,將其配置於棚架單元U11中之處理模組14用的小單元。
接著,控制裝置100,控制搬運裝置A3俾將棚架單元U11之工件W搬運至處理模組14內之各單元,控制液體處理單元U1及熱處理單元U2俾對該工件W的光阻膜施行顯影處理(步驟S05)。其後,控制裝置100,控制搬運裝置A3俾使工件W返回棚架單元U10,控制搬運裝置A7及搬運裝置A1俾使該工件W返回載具C內。藉由上述方式,使塗布顯影處理完成。
(處理膜的形成處理)
而後,參考圖7~圖10(c),針對步驟S02之處理膜的形成處理予以說明。圖7係顯示處理膜的形成處理之一例的流程圖。於處理膜的形成處理中,控制裝置100,亦可控制熱板22俾將熱板22之溫度維持為既定的值。
控制裝置100,首先,在由腔室24形成處理空間V而將作為處理對象之工件W載置於熱板22的狀態下,控制膜形成單元U3,俾於工件W的正面Wa形成疏水化膜Fh(步驟S11)。在步驟S11,例如,藉由使控制裝置100,如圖8(a)所示地將疏水化處理部40之開閉閥46從關閉狀態切換為開啟狀態,而將疏水化氣體從氣體供給源42供給至處理空間V。而後,控制裝置100,待機直至經過預先設定之既定時間。經過既定時間後,控制裝置100,將開閉閥46從開啟狀態切換為關閉狀態。藉此,於處理空間V中,使工件W的正面Wa暴露於疏水化氣體,且藉由熱板22將工件W加熱。此一結果,對於作為處理對象之工件W,施行藉由蒸鍍而至少於正面Wa形成疏水化膜Fh的疏水化處理。
藉由實行步驟S11,如圖8(b)所示,於工件W的正面Wa之全域形成疏水化膜Fh。此外,施行疏水化處理時,由於疏水化氣體亦迴繞至背面Wb,故如圖8(c)所示,於背面Wb之邊緣部分(更詳而言之,非去除區域Sn之全域及去除區域Sr之邊緣部)亦形成疏水化膜Fh。另,在圖8(c),以邊界線BL(虛線)顯示非去除區域Sn與去除區域Sr的邊界。在圖8(c),工件W之半徑方向中的疏水化膜Fh之寬度為一定,但亦可使疏水化膜Fh之寬度依工件W之圓周方向的位置而異地形成疏水化膜Fh。
接著,控制裝置100,控制各種驅動部,俾從處理空間V內,將工件W搬出至位於處理空間V外的待機位置(步驟S12)。例如,控制裝置100,藉由腔室驅動部26使腔室24上升,將處理空間V開放。而後,控制裝置100,控制各種驅動部,俾藉由臂驅動部64使保持臂62移動至熱板22之上方的傳遞位置,將工件W從複數根支承銷32往保持臂62傳遞。其後,控制裝置100,藉由臂驅動部64,使保持臂62於水平方向移動至與熱板22分離的待機位置。藉此,將工件W從處理空間V搬出。另,控制裝置100,亦可於待機位置中,藉由使保持臂62保持工件W的狀態持續,而施行工件W的溫度調節處理(冷卻處理)。控制裝置100,亦可在將處理空間V開放前,藉由排氣部將處理空間V內之疏水化氣體排出。
接著,控制裝置100,將工件W從待機位置搬入至處理空間V內,並控制膜形成單元U3俾對背面Wb照射紫外線(步驟S13)。例如,控制裝置100,如圖9(a)所示,使紫外線燈66開始紫外線的射出,藉由臂驅動部64使保持臂62從待機位置移動至熱板22之上方的傳遞位置。而後,在使保持臂62移動至傳遞位置後(工件W全體通過紫外線燈66之上方的紫外線照射範圍後),控制裝置100,使紫外線燈66停止紫外線的射出。如同上述,使保持臂62,以覆蓋背面Wb之非去除區域Sn的狀態保持工件W,故如圖9(b)及圖9(c)所示,對去除區域Sr照射紫外線,將形成於該去除區域Sr的疏水化膜Fh去除。
使保持臂62移動至傳遞位置後,控制裝置100,控制各種驅動部俾將工件W從保持臂62傳遞至複數根支承銷32。而後,控制裝置100,藉由腔室驅動部26使腔室24下降。藉此,將照射紫外線後之工件W再度搬入處理空間V。
接著,控制裝置100,控制膜形成單元U3,俾於工件W的背面Wb形成氟樹脂膜Ff(步驟S14)。例如,控制裝置100,如圖10(a)所示,藉由銷驅動部34,使複數根支承銷32在與熱板22分離的位置支持工件W的狀態持續。而後,控制裝置100,藉由將氟樹脂膜形成部50的開閉閥56從關閉狀態切換為開啟狀態,而將氟樹脂膜形成用的處理氣體從氣體供給源52供給至處理空間V。
其後,控制裝置100,待機直至經過預先設定之既定時間。經過既定時間後,控制裝置100,將開閉閥56從開啟狀態切換為關閉狀態。藉此,於處理空間V中,將工件W的背面Wb暴露於處理氣體。此一結果,如圖10(b)及圖10(c)所示,藉由蒸鍍而在去除區域Sr形成氟樹脂膜Ff。另,膜形成單元U3(蒸鍍處理部20),亦可更具備為了於複數根支承銷32支持工件W之處形成氟樹脂膜Ff的其他支持部。藉由上述方式,使處理膜的形成處理結束。
[實施形態的效果]
以上例示之塗布/顯影裝置2,具備:疏水化處理部40,施行藉由疏水化處理用之疏水化氣體的蒸鍍,而於工件W的正面Wa形成疏水化膜Fh之疏水化處理;紫外線照射部60,藉由對工件W的背面Wb中之去除區域Sr照射紫外線,而將在疏水化處理中形成於去除區域Sr的疏水化膜Fh去除;以及氟樹脂膜形成部50,於去除疏水化膜Fh後之去除區域Sr,形成氟樹脂膜Ff。
以上例示之塗布顯影處理,包含如下步驟:施行藉由疏水化處理用之疏水化氣體的蒸鍍,而於工件W的正面Wa形成疏水化膜Fh之疏水化處理;藉由對工件W的背面Wb中之去除區域Sr照射紫外線,而將在疏水化處理中形成於去除區域Sr的疏水化膜Fh去除;以及於去除疏水化膜Fh後之去除區域Sr,形成疏水化膜Fh。
上述塗布/顯影裝置2及塗布顯影處理,於未形成疏水化膜Fh之區域、與已去除疏水化膜Fh之區域,形成氟樹脂膜Ff。另一方面,於形成有疏水化膜Fh之區域(留下疏水化膜Fh而未將其去除之區域),並未形成氟樹脂膜Ff。亦即,藉由紫外線的照射將疏水化膜Fh去除之區域(未留下疏水化膜Fh之區域),對應於氟樹脂膜Ff之形成範圍。因而,藉由以紫外線的照射調節疏水化膜Fh之去除區域Sr,而可調節背面Wb中的疏水化膜Fh之形成範圍。
以上例示之塗布/顯影裝置2,更具備液體處理單元U1,其藉由將處理液供給至形成氟樹脂膜Ff後之工件W的正面Wa,而於正面Wa形成光阻膜。此一情況,可在保持形成於背面Wb的氟樹脂膜Ff之狀態下,於工件W的正面Wa形成光阻膜。
以上例示之塗布/顯影裝置2,更具備液體處理單元U1,其對於對光阻膜施行曝光處理後之工件W,施行顯影處理。去除區域Sr,可設定於背面Wb中之邊緣部以外的區域。此一情況,於背面Wb之邊緣部以外的區域(去除區域Sr)形成氟樹脂膜Ff,故在曝光處理中降低工件W的保持部(例如平台)與背面Wb之間的摩擦。藉此,可在曝光處理中抑制曝光位置之相對於目標位置的偏離。
如同上述,在曝光處理中藉由氟樹脂膜Ff可降低摩擦。然則,若於背面Wb中之斜角部分形成氟樹脂膜,則有對曝光處理的處理結果造成不良影響之情況。因此,過去,在光阻膜的形成前,依序施行以下至少五個步驟。首先,於形成下層膜後之工件W的正面Wa,藉由HMDS氣體等施行疏水化處理,為了將在疏水化處理中形成於背面Wb的疏水化膜Fh去除,施行紫外線之往背面Wb全域的照射(去除處理)。而後,施行對斜角部分之遮罩處理(保護膜的形成處理)俾使PTFE等氟樹脂的膜不形成於斜角部分,施行氟樹脂膜之形成處理。其後,施行藉由稀釋劑等將形成於斜角部分的保護膜去除之處理。
相對於此,上述塗布/顯影裝置2,藉由在光阻膜的形成前,依序施行疏水化處理、紫外線的照射(去除處理)、及氟樹脂膜的形成處理,而能夠以不在斜角部分形成氟樹脂膜之方式,於背面Wb形成氟樹脂膜Ff。亦即,相較於習知製程,可追求製程縮短。
上述例子中,紫外線照射部60,具備:紫外線燈66,可對包含去除區域Sr之區域(例如,背面Wb之全域)照射紫外線;以及遮光構件,配置於紫外線燈66與背面Wb之間,遮蔽紫外線的往背面Wb中之去除區域Sr以外的非去除區域Sn之照射。此一情況,可藉由遮光構件的形狀調整疏水化膜Fh之去除區域Sr,故氟樹脂膜Ff之形成範圍的調節簡單。
上述例子中,紫外線照射部60之遮光構件,包含以覆蓋背面Wb之去除區域Sr以外的非去除區域Sn之狀態保持工件W的保持臂62。此一情況,可藉由保持臂62施行工件W的搬運與紫外線的遮光,故可追求塗布/顯影裝置2(膜形成單元U3)的簡化。
上述例子中,疏水化處理部40,藉由將疏水化氣體供給至用於施行疏水化處理之處理空間V內,而對正面Wa施行疏水化氣體的蒸鍍。氟樹脂膜形成部50,藉由將氟樹脂膜形成用的處理氣體供給至該處理空間V內,而對背面Wb施行該處理氣體的蒸鍍。此一情況,在疏水化處理與氟樹脂膜的形成,可共用形成處理空間V之單元,故可追求塗布/顯影裝置2(膜形成單元U3)的簡化。另,如同圖3所例示,藉由使紫外線照射部60從下方照射紫外線,使氟樹脂膜形成部50從處理空間V的下方供給處理氣體,而能夠以不使工件W反轉之方式施行處理膜的形成處理。亦即,圖3例示之膜形成單元U3的構成,相較於習知製程,可進一步縮短製程。
[變形例]
以上,針對本發明之實施形態詳細地予以說明,但亦可在本發明之要旨的範圍內,對上述實施形態加上各種變形。如圖11(a)所示,膜形成單元U3,亦可取代紫外線照射部60,具備紫外線照射部60A。紫外線照射部60A,在具備保持臂62A以取代保持臂62的點、具備紫外線燈66A以取代紫外線燈66的點、及更具備遮蓋構件82A的點中,與紫外線照射部60不同。保持臂62A,在以包夾工件W的邊緣部分(例如斜角部分)之方式保持的點,與保持臂62不同。保持臂62A,在包夾工件W的邊緣部分之狀態下,使位於背面Wb之下方的部分覆蓋非去除區域Sn。此外,保持臂62A,如圖11(b)所示,以除去全周中之一部分(例如1/4~1/6程度)以外的狀態形成為環狀,而非形成為與工件W的邊緣對應的全周。
遮蓋構件82A,形成為覆蓋全周中之未設置保持臂62A的部分。遮蓋構件82A,亦可為形成為沿著工件W的邊緣之一部分的形狀(圓弧狀)之板構件。遮蓋構件82A,亦可固定於既定位置。紫外線照射部60A,在使保持臂62A位於待機位置時,藉由保持臂62A與遮蓋構件82A覆蓋非去除區域Sn。亦即,保持臂62A與遮蓋構件82A,構成遮蔽前往非去除區域Sn之紫外線的遮光構件。紫外線燈66A,其亦可在工件W位於待機位置之狀態下,可對背面Wb之全域照射紫外線。此一情況,控制裝置100,亦可控制膜形成單元U3,俾分別實行紫外線的照射、及工件W之往處理空間V的搬入。
如圖12(a)所示,膜形成單元U3,亦可具備紫外線照射部60B以取代紫外線照射部60。紫外線照射部60B,在更具備與保持臂62不同的支持工件W之保持部92B的點、更具備遮蓋構件82B的點、及更具備燈驅動部94B的點中,與紫外線照射部60不同。保持部92B,亦可固定於既定位置,在該位置中支持工件W。遮蓋構件82B,亦可設置於紫外線燈66與保持部92B(支持於保持部92B的工件W)之間。遮蓋構件82B,如圖12(b)所示,亦可為以覆蓋工件W的邊緣部分之方式形成為圓環狀的板構件。亦即,遮蓋構件82B之從厚度方向觀察的形狀,亦可對應於非去除區域Sn。遮蓋構件82B,構成遮蔽前往非去除區域Sn之紫外線的遮光構件。
紫外線燈66,其亦可可沿著水平方向移動。燈驅動部94B,例如為藉由電動馬達等動力源,使紫外線燈66往水平方向移動之水平致動器。此一情況,控制裝置100,亦可藉由以燈驅動部94B使紫外線燈66對工件W移動,而以紫外線燈66對背面Wb(去除區域Sr)照射紫外線。另,亦可取代保持部92B,而在使保持臂62於待機位置中支持工件W的狀態下,使紫外線燈66移動並對背面Wb照射紫外線,或亦可藉由紫外線燈66A對背面Wb之全域照射紫外線。亦可在未覆蓋非去除區域Sn之至少一部分的狀態下,於保持工件W的保持臂(保持部)與紫外線燈66之間,配置遮蓋構件82B。於紫外線照射部60A中,亦可取代紫外線燈66A,藉由使紫外線燈66移動,而朝向背面Wb之全域照射紫外線。
在圖12(a)所示的變形例之塗布/顯影裝置2,使遮光構件,由保持工件W的保持部92B、及配置於該保持部92B與紫外線燈66之間的遮蓋構件82B之不同的構件構成。此一情況,藉由遮蓋構件82B的形狀,調節氟樹脂膜Ff之形成範圍即可,故可使保持工件W的構件(例如,保持部92B或保持臂62)簡化。
另,亦可將用於不使氟樹脂膜Ff形成之非去除區域Sn,亦設定於工件W的背面Wb之邊緣部以外。例如,亦可取代遮蓋構件82B,將圖12(c)所示之遮蓋構件82C,配置於工件W與紫外線燈66之間。遮蓋構件82C,形成為圓環狀。遮蓋構件82C,在對應於工件W的半徑之方向中,具有外緣至工件W之半徑的1/4~2/3程度之寬度。遮蓋構件82C,覆蓋工件W的背面Wb之外周部(除了中心部以外之部分),亦可於該外周部的一部中未覆蓋背面Wb。
遮蓋構件82C,除了因形成為圓環狀而構成之中央部的孔96a以外,具備於外周部貫通厚度方向的複數個孔96b。複數個孔96b,如圖12(c)所示,可沿著圓周方向形成為線狀。亦或,複數個孔96b,亦可沿著半徑方向形成為線狀,或可於外周部中形成為點狀。此一情況,在工件W的背面Wb中之對應於孔96a及複數個孔96b的區域,形成氟樹脂膜Ff;在對應於遮蓋構件82C的外周部中之複數個孔96b以外之部分的區域,留下疏水化膜Fh。此一結果,藉由背面Wb之中央部分的氟樹脂膜Ff、及點綴於工件W之外周部的氟樹脂膜Ff,可降低工件W與其他構件之間的摩擦。此外,藉由在工件W的外周部留下疏水化膜Fh之一部分,可抑制搬運時之工件W的滑動。
以上例示之塗布/顯影裝置2,於一個單元內施行疏水化處理與氟樹脂膜Ff之形成處理。因此,可將此等處理連續而有效率地施行。然則,塗布/顯影裝置2,亦可單獨具備施行疏水化處理之疏水化單元(疏水化處理部)、及施行氟樹脂膜Ff的形成處理之樹脂膜形成單元(樹脂膜形成部)。亦即,疏水化處理、與氟樹脂膜Ff的形成處理,亦可在彼此不同之處理空間施行。此一情況,亦可將紫外線照射部60,設置於疏水化單元及樹脂膜形成單元之任一方,塗布/顯影裝置2亦可更具備具有紫外線照射部60之紫外線照射單元。
以上例示之塗布/顯影裝置2,藉由氟樹脂膜形成用之處理氣體的蒸鍍,於工件W的背面Wb形成氟樹脂膜Ff,但塗布/顯影裝置2,亦可藉由將氟樹脂膜形成用之處理液供給至背面Wb,而形成氟樹脂膜Ff。
以上例示之塗布/顯影裝置2的紫外線照射部60,藉由遮蔽來自紫外線燈66的紫外線,而不施行紫外線之往非去除區域Sn的照射,但紫外線照射部60,亦可具備縮小照射區域之紫外線燈。紫外線照射部60,亦可使上述紫外線燈移動俾僅對去除區域Sr照射紫外線,藉以將去除區域Sr的疏水化膜Fh去除。
1:基板處理系統
2:塗布/顯影裝置
3:曝光裝置
4:載具區塊
5:處理區塊
6:介面區塊
11,12,13,14:處理模組
20:蒸鍍處理部
22:熱板
22a:載置面
24:腔室
24a:頂板
24b:側壁
26:腔室驅動部
28:升降部
32:支承銷
34:銷驅動部
40:疏水化處理部
42,52:氣體供給源
44,54:氣體供給路
44a:供給口
46:開閉閥
50:氟樹脂膜形成部
54a:供給口
56:開閉閥
60,60A,60B:紫外線照射部(去除部)
62,62A:保持臂
64:臂驅動部
66,66A:紫外線燈
72:支持部
74:限制部
82A,82B,82C:遮蓋構件
92B:保持部
94B:燈驅動部
96a,96b:孔
100:控制裝置
110:電路
112:處理器
114:記憶體
116:儲存器
118:輸出入埠
122:計時器
A1,A3,A7,A8:搬運裝置
BL:邊界線
C:載具
U1:液體處理單元
U2:熱處理單元
U3:膜形成單元
U10,U11:棚架單元
V:處理空間
W:工件
Wa:正面
Wb:背面
Sr:去除區域
Sn:非去除區域
Fh:疏水化膜
Ff:氟樹脂膜
圖1係顯示基板處理系統的一例之示意立體圖。
圖2係顯示塗布顯影裝置的一例之示意圖。
圖3係顯示處理膜形成單元的一例之示意圖。
圖4中,圖4(a)係顯示工件背面的一例之示意圖。圖4(b)係示意顯示保持臂的一例之俯視圖。
圖5係顯示控制裝置之硬體構成的一例之方塊圖。
圖6係顯示塗布顯影處理的一例之流程圖。
圖7係顯示處理膜形成處理的一例之流程圖。
圖8中,圖8(a)係顯示疏水化處理的樣子之示意圖;圖8(b)係顯示疏水化膜形成後之工件正面的一例之示意圖;圖8(c)係顯示疏水化膜形成後之工件背面的一例之示意圖。
圖9中,圖9(a)係顯示紫外線照射的樣子之示意圖;圖9(b)係顯示紫外線照射後之工件背面的一例之示意圖;圖9(c)係示意顯示紫外線照射後之工件的一例之側視圖。
圖10中,圖10(a)係顯示氟樹脂膜形成的樣子之示意圖;圖10(b)係顯示氟樹脂膜形成後之工件背面的一例之示意圖;圖10(c)係示意顯示氟樹脂膜形成後之工件的一例之側視圖。
圖11中,圖11(a)係示意顯示紫外線照射部的另一例之側視圖;圖11(b)係示意顯示保持臂的另一例之俯視圖。
圖12中,圖12(a)係示意顯示紫外線照射部的另一例之側視圖;圖12(b)係示意顯示遮蓋構件的一例之俯視圖;圖12(c)係示意顯示遮蓋構件的另一例之俯視圖。
20:蒸鍍處理部
22:熱板
22a:載置面
24:腔室
24a:頂板
24b:側壁
26:腔室驅動部
28:升降部
32:支承銷
34:銷驅動部
40:疏水化處理部
42,52:氣體供給源
44,54:氣體供給路
44a:供給口
46:開閉閥
50:氟樹脂膜形成部
54a:供給口
56:開閉閥
60:紫外線照射部(去除部)
62:保持臂
64:臂驅動部
66:紫外線燈
72:支持部
74:限制部
U3:膜形成單元
V:處理空間
W:工件
Wa:正面
Wb:背面
Claims (10)
- 一種基板處理裝置,包含: 疏水化處理部,施行藉由疏水化處理用之疏水化氣體的蒸鍍,而於基板形成疏水化膜之疏水化處理; 去除部,將形成於該基板的背面中之去除區域的該疏水化膜去除;以及 樹脂膜形成部,於去除該疏水化膜後之該去除區域形成氟樹脂膜。
- 如請求項1之基板處理裝置,其中, 在該疏水化處理中,該疏水化膜形成於該基板的正面; 該去除部為紫外線照射部,將在該疏水化處理中形成於該去除區域的該疏水化膜,藉由以該紫外線照射部對該去除區域照射紫外線而去除。
- 如請求項2之基板處理裝置,其中, 更包含塗布膜形成部,藉由將處理液供給至形成該氟樹脂膜後之該基板的該正面,而於該正面形成塗布膜。
- 如請求項3之基板處理裝置,其中, 更包含顯影處理部,對於已對該塗布膜施行曝光處理後之該基板,施行顯影處理; 該去除區域,設定於該背面中之邊緣部以外的區域。
- 如請求項2至4中任一項之基板處理裝置,其中, 該紫外線照射部,包括: 紫外線照明部,可對包含該去除區域的區域照射該紫外線;以及 遮光構件,配置在該紫外線照明部與該背面之間,將該紫外線的往該背面中之該去除區域以外的區域之照射予以遮蔽。
- 如請求項5之基板處理裝置,其中, 該遮光構件,包括保持臂,其以覆蓋該背面之該去除區域以外的區域之狀態保持該基板。
- 如請求項5之基板處理裝置,其中, 該遮光構件,包括遮蓋構件,其配置於保持該基板的保持部與該紫外線照明部之間。
- 如請求項1至7中任一項之基板處理裝置,其中, 該疏水化處理部,藉由將該疏水化氣體供給至用於施行該疏水化處理之處理空間內,而對該正面施行該疏水化氣體的蒸鍍; 該樹脂膜形成部,藉由將氟樹脂膜形成用的處理氣體供給至該處理空間內,而對該背面施行該處理氣體的蒸鍍。
- 一種基板處理方法,於基板的背面,形成降低該背面之與保持部的摩擦之降低摩擦膜,包含如下步驟: 施行藉由疏水化處理用之疏水化氣體的蒸鍍,而於基板形成疏水化膜之疏水化處理; 將形成於該基板的該疏水化膜中之部分區域去除;以及 於已去除該疏水化膜的該基板之該部分區域,形成該降低摩擦膜。
- 如請求項9之基板處理方法,其中, 該降低摩擦膜為氟樹脂膜; 該基板之該部分區域,為該基板的背面中之去除區域; 在該疏水化處理中,該疏水化膜形成於該基板的正面; 將在該疏水化處理中形成於該去除區域的該疏水化膜,藉由對該基板的背面中之該去除區域照射紫外線而去除。
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