TWM458653U - 用於轉移基板及限制自由基之設備 - Google Patents
用於轉移基板及限制自由基之設備 Download PDFInfo
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- TWM458653U TWM458653U TW101220836U TW101220836U TWM458653U TW M458653 U TWM458653 U TW M458653U TW 101220836 U TW101220836 U TW 101220836U TW 101220836 U TW101220836 U TW 101220836U TW M458653 U TWM458653 U TW M458653U
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- 239000000758 substrate Substances 0.000 title claims abstract description 127
- 238000012546 transfer Methods 0.000 title description 19
- 238000012545 processing Methods 0.000 claims abstract description 44
- 230000000452 restraining effect Effects 0.000 claims description 23
- 239000010453 quartz Substances 0.000 claims description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 9
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 238000000034 method Methods 0.000 description 17
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- 229910052751 metal Inorganic materials 0.000 description 2
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- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- MZLGASXMSKOWSE-UHFFFAOYSA-N tantalum nitride Chemical compound [Ta]#N MZLGASXMSKOWSE-UHFFFAOYSA-N 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- 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
- H01L21/67—Apparatus 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
- H01L21/677—Apparatus 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 for conveying, e.g. between different workstations
- H01L21/67739—Apparatus 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 for conveying, e.g. between different workstations into and out of processing chamber
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- H—ELECTRICITY
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- 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
- H01L21/67—Apparatus 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
- H01L21/677—Apparatus 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 for conveying, e.g. between different workstations
- H01L21/67739—Apparatus 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 for conveying, e.g. between different workstations into and out of processing chamber
- H01L21/67742—Mechanical parts of transfer devices
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- C—CHEMISTRY; METALLURGY
- C23—COATING 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
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/44—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
- C23C16/455—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating characterised by the method used for introducing gases into reaction chamber or for modifying gas flows in reaction chamber
- C23C16/45517—Confinement of gases to vicinity of substrate
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- C—CHEMISTRY; METALLURGY
- C23—COATING 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
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/44—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
- C23C16/458—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating characterised by the method used for supporting substrates in the reaction chamber
- C23C16/4582—Rigid and flat substrates, e.g. plates or discs
- C23C16/4583—Rigid and flat substrates, e.g. plates or discs the substrate being supported substantially horizontally
- C23C16/4586—Elements in the interior of the support, e.g. electrodes, heating or cooling devices
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- 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
- H01L21/04—Manufacture 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
- H01L21/18—Manufacture 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
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/302—Treatment 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
- H01L21/306—Chemical or electrical treatment, e.g. electrolytic etching
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- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus 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
- H01L21/67005—Apparatus not specifically provided for elsewhere
- H01L21/67011—Apparatus for manufacture or treatment
- H01L21/67155—Apparatus for manufacturing or treating in a plurality of work-stations
- H01L21/6719—Apparatus for manufacturing or treating in a plurality of work-stations characterized by the construction of the processing chambers, e.g. modular processing chambers
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- 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
- H01L21/67—Apparatus 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
- H01L21/677—Apparatus 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 for conveying, e.g. between different workstations
- H01L21/67703—Apparatus 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 for conveying, e.g. between different workstations between different workstations
- H01L21/67712—Apparatus 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 for conveying, e.g. between different workstations between different workstations the substrate being handled substantially vertically
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- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus 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
- H01L21/683—Apparatus 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 for supporting or gripping
- H01L21/687—Apparatus 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 for supporting or gripping using mechanical means, e.g. chucks, clamps or pinches
- H01L21/68714—Apparatus 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 for supporting or gripping using mechanical means, e.g. chucks, clamps or pinches the wafers being placed on a susceptor, stage or support
- H01L21/68735—Apparatus 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 for supporting or gripping using mechanical means, e.g. chucks, clamps or pinches the wafers being placed on a susceptor, stage or support characterised by edge profile or support profile
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- 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
- H01L21/67—Apparatus 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
- H01L21/683—Apparatus 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 for supporting or gripping
- H01L21/687—Apparatus 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 for supporting or gripping using mechanical means, e.g. chucks, clamps or pinches
- H01L21/68714—Apparatus 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 for supporting or gripping using mechanical means, e.g. chucks, clamps or pinches the wafers being placed on a susceptor, stage or support
- H01L21/68742—Apparatus 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 for supporting or gripping using mechanical means, e.g. chucks, clamps or pinches the wafers being placed on a susceptor, stage or support characterised by a lifting arrangement, e.g. lift pins
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- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
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- H01L21/67—Apparatus 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
- H01L21/677—Apparatus 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 for conveying, e.g. between different workstations
- H01L21/67739—Apparatus 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 for conveying, e.g. between different workstations into and out of processing chamber
- H01L21/67751—Apparatus 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 for conveying, e.g. between different workstations into and out of processing chamber vertical transfer of a single workpiece
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- Microelectronics & Electronic Packaging (AREA)
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- Organic Chemistry (AREA)
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Description
本創作之實施例大體而言係關於一種在半導體基板上製造裝置之設備。更特定言之,本創作之實施例提供一種在腔室內轉移基板及限制處理環境之設備。
在半導體裝置之製造期間,通常在處理腔室內處理基板,在該處理腔室中可對基板執行沉積、蝕刻、熱處理。尤其隨著半導體元件之尺寸快速減少,改良處理均勻性及減少粒子污染為半導體處理之兩個恆定目標。
半導體處理腔室大體而言包括腔室主體,腔室主體界定用於處理基板之內容積。在處理期間通常將基板支撐安置於內容積中以支撐基板。經由腔室主體可形成一或更多個流量閥門以允許基板通過而進入及離開內容積。經由腔室主體亦形成氣體供應路徑及泵浦通道以提供處理氣體且泵浦內容積至所要壓力。流量閥開口、氣體供應路徑、泵浦通道及基板支撐通常引起腔室主體之內壁不對稱及/或不規則,因此引起非均勻傳導率及/或電場不對稱。因此,可將基板上之不同區域暴露於不同處理條件下且整個基板之處理均勻性減低。此外,處理氣體可行進至流量閥區域且在流量閥區域周圍引起污染。
因此,存在對於在半導體處理腔室內改良製程均勻性且減少污染之方法及設備之需要。
本創作之實施例大體而言提供處理基板之設備。更特定言之,本創作之實施例提供在腔室內轉移基板及限制處理環境之設備。
本創作之一個實施例提供用於使用處理腔室之箍組件。箍組件包括:限制環,該限制環於該限制環內界定限制區;及三或更多個升降指,該三或更多個升降指在限制環下方延伸。三或更多個升降指中之每一者具有自限制環徑向向內定置之接觸端,以在限制區下方形成基板支撐表面且將該基板支撐表面與限制區間隔開,該限制區由限制環界定。
本創作之另一實施例提供用於處理基板之腔室。腔室包括:腔室主體,該腔室主體於該腔室主體內界定腔室容積;基板支撐托架組件,安置於該腔室容積內;及箍組件,該箍組件在腔室容積內部可移動。腔室主體具有可密封基板轉移開口。箍組件包括在升高位置與降低位置之間可移動之限制環。限制環在降低位置於基板支撐托架組件上方界定限制之限制區。
本創作之實施例提供用於在半導體基板上製造元件之設備。更特定言之,本創作之實施例係關於基板轉移設備,該基板轉移設備具有在處理腔室之製程容積內定界可移動限制區之結構。在無用於在處理腔室內轉移基板
之特徵結構之情況下亦可利用定界可移動限制區之結構。
本創作之實施例提供在諸如處理腔室或負載鎖定腔室之腔室內使用之箍組件。箍組件包括三或更多個升降指及限制環。可利用升降致動器向上及向下移動箍組件。箍組件可用來使用升降指自基板支撐托架組件中抓取基板,且可藉由將基板轉移至升降指及自升降指中轉移基板用來允許機器人刃轉移基板進入及離開腔室。限制環具有實質上對稱之圓柱形內壁且限制環在腔室之處理容積內部界定且徑向定界限制區。可移動限制環至外接基板及基板支撐托架組件之位置以藉由用限制環之內壁環繞基板在基板周圍且正好在基板上方建立對稱限制區,因此消除由腔室壁之不對稱或不規則形狀引起之處理非均勻性,例如連接內腔室容積至流量閥門之狹縫隧道區域之效應。另外,限制環亦減少狹縫隧道區域對製程化學作用之暴露,因此保持狹縫隧道區域清潔。限制環可由石英材料形成以減少在基板周圍自由基之重組,理論上增加對基板之自由基通量及隨後之製程效能。
第1圖為根據本創作之一個實施例之具有箍組件144之雙負載鎖定腔室100之示意性截面圖。雖然在具有處理容積之負載鎖定腔室的上下文中描述箍組件144,但應理解可在任何適當調適之負載鎖定腔室及/或處理腔室內利用箍組件144,包括其中需要具有對稱限制區之具有單處理容積之彼等腔室。
雙負載鎖定腔室100包括轉移及處理基板104之上腔室容積120及轉移基板104之下腔室容積110。上腔室容積120及下腔室容積110垂直堆疊且相互隔離。下負載鎖定容積110及上負載鎖定容積120中之每一者可經由設置用於基板轉移之兩個開口有選擇地連接至兩個鄰接外部環境(亦即,工廠介面及轉移腔室,兩者皆未圖示)。
雙負載鎖定腔室100包括腔室主體103。在一個實施例中,腔室主體103包括上腔室主體121及下腔室主體111,該上腔室主體121及該下腔室主體111耦接在一起以界定上腔室容積120及下腔室容積110。
雙負載鎖定腔室100可包括安置在上腔室容積120之上的噴淋頭129、安置在上腔室容積120內之基板支撐托架組件132、箍組件144,該箍組件144經設置以於上腔室容積120內限制限制區以及裝載且卸載基板。雙負載鎖定腔室100可包括支撐銷113以用於在下腔室容積110內支撐基板104。
藉由上腔室主體121之側壁124、安置在側壁124之上的蓋環127、上腔室主體121之底壁123及下腔室主體111之上壁118來界定上腔室容積120。蓋環127具有固持噴淋頭129之內唇部127a及源接裝板128。蓋環127形成上腔室容積120之頂板之一部分。源接裝板128具有中央開口128a,該中央開口128a與噴淋頭129之中央開口129e匹配。遠端電漿源130經由石英嵌件131
及噴淋頭129與上腔室容積120流體連通。
遠端電漿源130通常連接至一或更多個氣體控制板。在一個實施例中,遠端電漿源130連接至第一氣體控制板101及第二氣體控制板102,該第一氣體控制板101經設置以用於在蝕刻之後提供減弱製程之處理氣體以移除殘留材料,該第二氣體控制板102經設置以用於提供灰化製程之處理氣體以移除光阻劑。
設想亦在於,可選擇性利用一或更多個電漿產生器以代替遠端電漿源130或除遠端電漿源130之外還利用一或更多個電漿產生器來在上腔室容積120內維持電漿。電漿產生器可為定置於上腔室容積120之外或之內的RF驅動線圈,及/或安置於基板支撐托架組件132中、噴淋頭129上方或噴淋頭129本身中之至少一者內之RF驅動電極。
安置於上腔室容積120內之基板支撐托架組件132用於支撐且使用內部加熱器(未圖示)加熱基板104。聚焦環151可安置於基板支撐托架組件132之外邊緣上。在處理期間,聚焦環151在基板104之邊緣區域周圍起作用以維持基板104且改變處理速率。
基板支撐托架組件132安裝於絕熱器143上,該絕熱器143安置於下腔室主體111之上壁118上。絕熱器143防止在基板支撐托架組件132與腔室主體103之間的熱轉移。在一個實施例中,絕熱器143與基板支撐托架組件132之中央軸132a對準以確保在熱膨脹期間基板支撐
托架組件132保持居中。
懸臂管136附接於接近基板支撐托架組件132中心之背側134b。懸臂管136徑向向外延伸以與垂直管137連接。管136、137不接觸上腔室主體121或下腔室主體111以進一步避免介於基板支撐托架組件132與腔室主體111、121之間的熱交換。懸臂管136及垂直管137提供用於待由基板支撐托架組件132使用之電源、感測器及其他配線之通道。在一個實施例中,加熱器功率源138、感測器訊號接收器139及夾持控制單元140經由在懸臂管136及垂直管137內之通道配線至基板支撐托架組件132。
冷卻適配器141自下腔室主體111外部耦接至垂直管137。冷卻流體142之源連接至安置於冷卻適配器141內之冷卻通道141a。冷卻適配器141控制介於垂直管137、懸臂管136與基板支撐托架組件132之間的熱交換之速率及方向。在一個實施例中,諸如雙金屬連接器之熱分解可用於連接垂直管137、懸臂管136及基板支撐托架組件132以將基板支撐托架組件132與腔室主體103熱隔離,從而允許更精確控制及快速響應藉由托架組件132加熱之基板之溫度。
上腔室主體及下腔室主體之更詳細描述可見於美國臨時專利申請案第61/448,027號,該專利申請案於2011年3月1日提出申請,標題為「Abatement and Strip Process Chamber in a Dual Load Lock Configuration」(檔
案號15751L)。
基板支撐托架組件132之更詳細描述可見於美國臨時專利申請案第61/448,018號,該專利申請案於2011年3月1日提出申請,標題為「Thin Heated Substrate Support」(檔案號15750L)。
根據本創作之一個實施例,箍組件144安置於上腔室容積120內。如上所述,箍組件144可用於其他處理腔室及/或負載鎖定腔室內。箍組件144具有兩個功能。第一,箍組件144經垂直可定置以能夠在基板支撐托架組件132與基板轉移裝置(例如機器人端效器)之間轉移基板進入上腔室容積120。第二,箍組件144亦經可定置以在處理期間界定在基板104周圍之對稱限制區144a及正好在基板支撐托架組件132上方之區域,因此,在上腔室容積120內提供對稱處理環境,此舉增強了處理效果。亦可單獨利用箍組件144以在處理容積內建立對稱限制區。
箍組件144包括安置於上腔室容積120內之環狀箍主體146。環狀箍主體146具有大於基板支撐托架組件132之直徑的內徑。箍主體146耦接至軸160,該軸160經由腔室主體103延伸至升降致動器169。諸如線性致動器或馬達之升降致動器169可操作以在上腔室容積120內控制箍主體146之垂直高度。在一個實施例中,已證實波紋管161用於防止介於軸160與腔室主體103之間的漏洩。
箍組件144亦包括附接於箍主體146之三或更多個升降指147。升降指147經設置以在基板支撐托架組件132與諸如機器人之基板轉移裝置之間轉移基板,當箍組件144處於上部轉移位置時,基板轉移裝置延伸進入上腔室容積120,如第1圖所示。升降指147自箍主體146垂直向下延伸且轉為徑向向內,終止於端147a。升降指147之端147a形成基板支撐表面,該基板支撐表面經設置以在接近基板104之邊緣區域的若干點處支撐基板104。在箍主體146之下表面187與端147a之間界定間隔179,該間隔179足以允許機器人端效器自升降指147之端147a升降基板104而不碰撞下表面187。
箍組件144亦包括附接於箍主體146之限制環145。限制環145自箍主體146垂直向上延伸。在一個實施例中,限制環145為具有實質上圓柱形內壁145a之圓柱形環。內壁145a之高度145b遠大於基板104之厚度以便內壁145a在基板104周圍及基板104上方可限制一部分上處理容積作為對稱限制區144a。在一個實施例中,限制環145之內壁145a之高度145b遠大於基板支撐托架組件132之厚度以允許限制環145與基板支撐托架組件132重疊,同時限制環145仍在安置於基板支撐托架組件132上之基板104上方充分延伸。限制環145之內壁145a具有大於基板支撐托架組件132之外徑的直徑。限制環145之內壁145a亦可具有大於噴淋頭129之外徑的直徑。在一個實施例中,限制環145具有在處理期間足
以同時與基板支撐托架組件132及噴淋頭129兩者重疊之高度。
在處理期間,升降致動器169可定置箍主體146於降低之處理位置,如第2圖所示,以便限制環145在安置於基板支撐托架組件132上之基板104周圍在上腔室容積120內定界且進而建立圓柱形限制區144a。在第2圖所繪之實施例中,在上腔室容積120內之圓柱形限制區144a具有完全對稱圓柱形邊界,因為內壁145a將圓柱形限制區144a遮蔽而免受不對稱的影響,該等不對稱可存在於腔室主體103內,諸如流量閥隧道及類似物。由圓柱形限制區144a提供之對稱處理環境藉由減少傳導率及/或電不對稱增強製程均勻性,該等傳導率及/或電不對稱對基板製程均勻性具有負效應。
箍組件144之升降指147與在基板支撐托架組件132內形成之開孔155對準。當降低箍組件144時,升降指147之端147a通過至基板支撐托架組件132之上表面133a下方且進入開孔155內,因此自升降指147之端147a轉移基板104至基板支撐托架組件132之上表面133a。反之,當升高箍主體146時,升降指147經由開孔155向上移動以與基板104接觸且自基板支撐托架組件132之上表面133a舉升基板104。
回到第1圖,孔穴127b形成於蓋環127內,當箍組件144處於升高位置時,該孔穴127b接受限制環145之上部。在一個實施例中,孔穴127b為環形縫。孔穴127b
允許升降指147與流量閥隧道(未圖示)對準,因此能夠用機器人端效器(亦未圖示)轉移基板而無需增加上腔室容積120之容積以容納限制環145之運動,此舉將不利地導致較慢泵浦時間、氣體使用率增加、較大泵、較高能量消耗及較高腔室製造成本。
第3圖示意性地圖示箍組件144之俯視圖,該箍組件144定置於移除噴淋頭129之上腔室主體121之上腔室容積120內。經由側壁124形成兩個基板轉移開口325以允許基板轉移及外部機器人通過。可將流量閥門(未圖示)附接在每一開口325外以有選擇地將上腔室容積120自上腔室容積120外部之鄰接環境密封。
箍主體146及限制環145具有環繞基板104及基板支撐托架組件132之足夠大內徑145d,因此直接在基板104上方界定及定界對稱限制區144a。升降指147自箍主體146及限制環145徑向向內延伸至一直徑,該直徑小於基板104及基板支撐托架組件132之直徑,因此當在基板支撐托架組件132上方舉升時,允許指147支撐基板104。
在第3圖所示之實施例中,三個升降指147用來界定基板支撐表面。配置三個升降指147以便升降指147不幹擾機器人端效器,該等機器人端效器經由開口325延伸至上腔室容積120內。在一個實施例中,升降指147用單升降指147及剩餘一對升降指147形成Y形狀,該等單升降指147在箍主體146之側連接至軸160,且該
剩餘一對升降指147位於箍主體146之相對側且與單升降指147等距間隔。
如第3圖所示,上腔室主體121具有不規則(例如非圓柱形)內壁321、連接至基板支撐托架組件132之垂直管137及真空埠390,該不規則內壁321具有定置於相對側之用於流量閥門之開口325及用於軸160之額外開孔360、361、362。在基板支撐托架組件132周圍定置限制環145以將基板104上方之處理區域(例如包容區144a)遮蔽而免受上腔室主體121之內壁321之不規則形狀(諸如基板轉移開口325)的影響,且在基板支撐托架組件132及直接在基板支撐托架組件132上方之處理容積區周圍徑向提供實質上對稱垂直邊界。在一個實施例中,限制環145及基板支撐托架組件132為實質上同心。
第4圖為根據本創作之一個實施例之箍組件144之分解圖。箍主體146之內唇部483徑向向內延伸且箍主體146之內唇部483提供支撐限制環145之實質上平坦表面。可使用適當緊固件、黏合劑或其他緊固方法將升降指147附接於箍主體146之下表面489。在一個實施例中,螺栓476可用來將升降指147附接至箍主體146。附接於軸160之上端的波紋管161可附接於箍主體146之手柄部分485。在一個實施例中,可藉由一或更多個螺栓477將波紋管161附接於箍主體146。在波紋管161周圍可安置一或更多個遮蔽件463、464以減少由波紋管
161之運動產生之粒子污染。
在一個實施例中,限制環145為圓柱形套環,該圓柱形套環之內表面471為圓柱形壁。限制環145之上端474及下端472可實質上相互平行。限制環145可包括一或更多個通孔402以允許經由限制環145觀察限制區。在一個實施例中,限制環145可由石英形成。在處理期間石英限制環145連同石英噴淋頭129一起建立用於電漿之石英內襯,因此減少種類重組及粒子污染。
在限制環145之外表面473上形成實質上垂直脊470。垂直脊470可不完全延伸至限制環145之下端472之底部以確保限制環145之正確定向,如下文進一步論述。
在一個實施例中,箍主體146包括具有圓柱形內壁487之框架部分486及自一側上之框架部分486徑向向外延伸之手柄部分485。在框架部分486之圓柱形內壁487內可形成實質上垂直凹槽480。凹槽480可不完全延伸至箍主體146之內唇部483。凹槽480與限制環145之脊470緊密配合,因此當裝配時將限制環145定位至箍主體146,如第4A圖圖示。由於垂直脊470自上端474延伸,故若脊470與凹槽480嚙合且限制環145之下端472朝向箍主體146定向,則限制環145將僅平坦擱置於箍主體146上,因此防止在倒轉定向上安裝限制環145。
參閱第4B圖所繪之箍組件之局部圖,一或更多個上
升定位特徵結構499自箍主體146之內唇部483向上延伸。一或更多個上升定位特徵結構499中之每一者與在限制環145之下端472內形成之關聯縫498緊密配合。緊密配合之定位特徵結構499及縫498確保限制環145相對於箍主體146之預先界定之角定向,該角定向將通孔402對準以允許藉由測量法感測器(未圖示)經由限制環145觀察限制區。在一個實施例中,箍主體146具有在箍主體146之內唇部483上間隔之三個定位特徵結構499,同時限制環145具有三個類似間隔縫498。三或更多個上升定位特徵結構499建立限制環145靜置於其上之平面,以便限制環145不偏斜或傾斜。
為了裝配,首先對準限制環145之脊470與箍主體146之凹槽480,且在圓柱形內壁487內部限制環145為滑動配合以便限制環145之下端472靜置於箍主體146之內唇部483上。在凹槽480內鎖緊限制環145之脊470以防止介於限制環145與箍主體146之間的相對運動。在一個實施例中,限制環145為可移動安置於箍主體146上以便於替換。
可經由箍主體146形成通孔481、482以用於分別安裝升降指147及波紋管161。在一個實施例中,升降指147及波紋管161兩者皆自箍主體146之下表面489附接於箍主體146。
第5圖為箍主體146沿著第4圖所示之第5--5線之截面圖。箍主體146可由金屬形成。在一個實施例中,
箍主體146由鋁形成。箍主體146之下表面489可為實質上平坦。可將箍主體146之上表面588自手柄部分485至框架部分486傾斜以減少箍主體146之厚度且減少箍主體146之體積。
第6圖為根據本創作之一個實施例的升降指147之透視圖。每一升降指147可具有L形狀,其中垂直部分677連接至水平部分678。在垂直部分677上可形成孔676且在孔676內可安置螺紋嵌件675。螺紋嵌件675經設置以與螺栓476緊密配合以用於將升降指147附接至箍主體146。在水平部分678之上表面679上定置接觸端147a。當附接於箍主體146時,升降指147之垂直部分677建立介於箍主體146之下表面489與接觸端147a之間的間隔179。間隔179允許基板通過。
升降指147之垂直部分677及水平部分678可由金屬形成。在一個實施例中,垂直部分677及水平部分678由鋁形成。螺紋嵌件675可由耐磨損及耐擦傷材料形成,諸如NITRONIC®不銹鋼。接觸端147a可由陶瓷材料形成以減少來自接觸基板之粒子產生。在一個實施例中,接觸端147a可由氮化矽形成。接觸端147a可包括球狀物或其他上升特徵結構602以減少與基板接觸之表面區域。
第7圖為根據本創作之一個實施例圖示波紋管161之箍組件144之局部截面側視圖。在波紋管161之迴旋761周圍安置兩個遮蔽件463、464以防止粒子進入迴旋761
內且變為於迴旋761內截留。在一個實施例中,波紋管161由耐腐蝕材料形成,例如HAYNES® 242合金。
在一個實施例中,波紋管161之迴旋761經設計以使粒子遠離高應力位置以延長波紋管161之壽命時間。
第8A圖及第8B圖示意性圖示處於延伸及壓縮位置之波紋管161之一部分迴旋761。在接近具有高應力之內部焊接位置863處形成凹曲線862。如第8A圖所示,當迴旋761處於延伸位置時,外部粒子可沿著路徑861進入迴旋761。當迴旋761延伸且壓縮(圖示於第8B圖中)時,凹曲線862將保持凹形,且粒子最終聚集在凹曲線862之底部,其中存在較多間隙及較低應力。因此波紋管161防止粒子朝向內部焊接位置863移動,因此避免進一步加壓力於內部焊接位置863。
根據本創作之實施例之箍組件144具有若干優勢。第一,箍組件節省空間且簡化腔室設計之其餘部分。第二,箍組件允許腔室主體幾何結構得以自基板限制區幾何結構中去耦,提供對稱或其他預先決定之基板限制區,即使腔室主體具有容納其他腔室組件之不規則形狀。第三,箍組件允許基板處理區域得以藉由不同於腔室主體之材料環繞。舉例而言,石英而不是鋁可用來限制處理環境以在處理區域內減少電漿之自由基重組。
此外,可調整限制環145之幾何結構及在基板支撐托架組件132周圍之聚焦環151之大小以控制在限制環145與聚焦環151之間的氣體傳導率。相對於在限制環
145之頂端與蓋環127之間的傳導率,可將在限制環145與聚焦環151之間的傳導率選擇為高,進而引起大部分氣體在限制環145內部經由基板104位於其內之限制區向下流動。
即使在示例性實施例中描述圓柱形箍,但可設計箍具有其他形狀以滿足設計要求。舉例而言,可在腔室內使用矩形箍以用於轉移或處理矩形基板,其中矩形箍仍提供對稱限制區。即使上文在負載鎖定腔室之應用中描述本創作之實施例,但可將本創作之實施例應用於任何製程腔室。
儘管前文針對本創作之實施例,但可在不脫離本創作之基本範疇之情況下設計本創作之其他及進一步實施例,且藉由隨後之申請專利範圍決定本創作之範疇。
100‧‧‧雙負載鎖定腔室
101‧‧‧第一氣體控制板
102‧‧‧第二氣體控制板
103‧‧‧腔室主體
104‧‧‧基板
110‧‧‧下腔室容積/下負載鎖定容積
111‧‧‧下腔室主體
113‧‧‧支撐銷
118‧‧‧上壁
120‧‧‧上腔室容積/上負載鎖定容積
121‧‧‧上腔室主體
123‧‧‧底壁
124‧‧‧側壁
127‧‧‧蓋環
127a‧‧‧內唇部
127b‧‧‧孔穴
128‧‧‧源接裝板
128a‧‧‧中央開口
129‧‧‧噴淋頭
129e‧‧‧中央開口
130‧‧‧遠端電漿源
131‧‧‧石英嵌件
132‧‧‧基板支撐托架組件
132a‧‧‧中央軸
133a‧‧‧上表面
134b‧‧‧背側
136‧‧‧懸臂管
137‧‧‧垂直管
138‧‧‧加熱器功率源
139‧‧‧感測器訊號接收器
140‧‧‧夾持控制單元
141‧‧‧冷卻適配器
141a‧‧‧冷卻通道
142‧‧‧冷卻流體
143‧‧‧絕熱器
144‧‧‧箍組件
144a‧‧‧限制區
145‧‧‧限制環
145a‧‧‧內壁
145b‧‧‧高度
145d‧‧‧內徑
146‧‧‧箍主體
147‧‧‧升降指
147a‧‧‧端
151‧‧‧聚焦環
155‧‧‧開孔
160‧‧‧軸
161‧‧‧波紋管
169‧‧‧升降致動器
179‧‧‧間隔
187‧‧‧下表面
321‧‧‧不規則內壁
325‧‧‧開口
360‧‧‧開孔
361‧‧‧開孔
362‧‧‧開孔
390‧‧‧真空埠
402‧‧‧通孔
463‧‧‧遮蔽件
464‧‧‧遮蔽件
470‧‧‧垂直脊/脊
471‧‧‧內表面
472‧‧‧下端
473‧‧‧外表面
474‧‧‧上端
476‧‧‧螺栓
477‧‧‧螺栓
480‧‧‧凹槽
481‧‧‧通孔
482‧‧‧通孔
483‧‧‧內唇部
485‧‧‧手柄部分
486‧‧‧框架部分
487‧‧‧圓柱形內壁
489‧‧‧下表面
498‧‧‧空間縫/縫
499‧‧‧上升定位特徵結構
588‧‧‧上表面
602‧‧‧上升特徵結構
675‧‧‧螺紋嵌件
676‧‧‧孔
677‧‧‧垂直部分
678‧‧‧水平部分
679‧‧‧上表面
761‧‧‧迴旋
861‧‧‧路徑
862‧‧‧凹曲線
863‧‧‧內部焊接位置
因此,可詳細理解本創作之上述特徵結構之方式,即上文簡要概述之本創作之更特定描述可參照實施例進行,該等實施例中之一些實施例圖示於隨附圖式中。然而,應注意,隨附圖式僅圖示本創作之典型實施例,且因此不欲將隨附圖式視為本創作範疇之限制,因為本創作可允許其他同等有效之實施例。
第1
圖為根據本創作之一個實施例之具有箍組件之負載鎖定腔室之示意性截面圖。
第2
圖為箍組件處於裝載/卸載位置之第1
圖之負載鎖
定腔室之示意性截面圖。
第3
圖為根據本創作之一個實施例之具有箍組件之負載鎖定腔室之示意性俯視圖。
第4
圖為根據本創作之一個實施例之箍組件之分解圖。
第4A圖為箍組件之局部截面圖。
第4B圖為自箍組件之中心向外觀察之箍組件之部分之局部圖。
第5
圖為根據本創作之一個實施例之箍主體之截面圖。
第6圖為根據本創作之一個實施例之升降指之透視圖。
第7圖為根據本創作之一個實施例圖示具有波紋管之升降致動器之箍組件之局部截面側視圖。
第8A圖及第8B圖示意性地圖示處於延伸及壓縮位置之波紋管。
為促進理解,在可能之情況下,使用相同元件符號來表示諸圖所共用之相同元件。設想在於,在一個實施例中揭示之元件可有益地用於其他實施例而無需特定敍述。
144‧‧‧箍組件
145‧‧‧限制環
146‧‧‧箍主體
147‧‧‧升降指
147a‧‧‧端
160‧‧‧軸
161‧‧‧波紋管
402‧‧‧通孔
463‧‧‧遮蔽件
464‧‧‧遮蔽件
470‧‧‧垂直脊/脊
471‧‧‧內表面
472‧‧‧下端
473‧‧‧外表面
474‧‧‧上端
476‧‧‧螺栓
477‧‧‧螺栓
480‧‧‧凹槽
481‧‧‧通孔
482‧‧‧通孔
483‧‧‧內唇部
485‧‧‧手柄部分
486‧‧‧框架部分
487‧‧‧圓柱形內壁
489‧‧‧下表面
Claims (10)
- 一種用於一處理腔室之箍組件,該箍組件包含:一石英限制環,該限制環於該限制環內界定一限制區,該限制環包含:一圓柱形套環,該圓柱形套環具有形成一圓柱形壁之一內表面以及一外表面,該圓柱形套環具有實質上平行於一下端之一上端;及一實質上垂直脊,該垂直脊形成於該外表面上,該垂直脊不完全延伸至該圓柱形套環之該下端。
- 如請求項1所述之箍組件,該箍組件進一步包含:一箍主體,該箍主體具有支撐該限制環之一唇部。
- 如請求項2所述之箍組件,該箍組件進一步包含:三或更多個升降指,該三或更多個升降指在該限制環下方延伸,其中該三或更多個升降指中之每一者具有自該限制環徑向向內定置之一接觸端,以在該限制區下方形成一基板支撐表面且將該基板支撐表面與該限制區間隔開,該限制區由該限制環界定。
- 如請求項3所述之箍組件,其中將該三或更多個升降指中之每一者附接於該箍主體之一下表面。
- 如請求項4所述之箍組件,其中每一升降指包含:一垂直部分,該垂直部分附接於該箍主體之該下表面;以及一水平部分,該水平部分連接至該垂直部分且該水平部分徑向向內延伸,其中該接觸端定置於該水平部分上。
- 如請求項2所述之箍組件,其中該箍主體包含:一框架部分,該框架部分界定一中央開口;以及一手柄部分,該手柄部分在該中央開口外之一側處連接至該框架部分。
- 如請求項6所述之箍組件,該箍組件進一步包含:一軸,該軸附接於該箍主體之該手柄部分。
- 如請求項2所述之箍組件,其中該限制環具有一脊,該脊與在該箍主體內形成之一凹槽緊密配合。
- 如請求項2所述之箍組件,其中該箍主體由鋁形成。
- 如請求項1所述之箍組件,其中該限制環進一步包含:一或更多個通孔,該一或更多個通孔形成於該圓柱形壁之該內表面與該外表面之間,以允許經由該限制環觀察該限制區。
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- 2012-02-29 CN CN2012900000913U patent/CN203205393U/zh not_active Expired - Lifetime
- 2012-02-29 KR KR1020137023302A patent/KR101904146B1/ko active IP Right Grant
- 2012-02-29 JP JP2013556824A patent/JP6054314B2/ja active Active
- 2012-03-01 TW TW101106773A patent/TWI560759B/zh active
- 2012-03-01 TW TW101220836U patent/TWM458653U/zh not_active IP Right Cessation
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2018
- 2018-04-26 US US15/963,758 patent/US10468282B2/en active Active
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2019
- 2019-11-04 US US16/673,107 patent/US20200066563A1/en not_active Abandoned
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2020
- 2020-09-10 US US17/017,624 patent/US11574831B2/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI620247B (zh) * | 2015-06-11 | 2018-04-01 | Advanced Micro Fab Equip Inc | 蝕刻形成矽通孔的方法與矽通孔刻蝕裝置 |
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WO2012148568A1 (en) | 2012-11-01 |
US20140087561A1 (en) | 2014-03-27 |
US10468282B2 (en) | 2019-11-05 |
KR20140083923A (ko) | 2014-07-04 |
KR101904146B1 (ko) | 2018-10-04 |
US11574831B2 (en) | 2023-02-07 |
US20200411350A1 (en) | 2020-12-31 |
JP2014508417A (ja) | 2014-04-03 |
US10090181B2 (en) | 2018-10-02 |
US20200066563A1 (en) | 2020-02-27 |
CN203205393U (zh) | 2013-09-18 |
US20180247850A1 (en) | 2018-08-30 |
TW201243923A (en) | 2012-11-01 |
CN203746815U (zh) | 2014-07-30 |
JP6054314B2 (ja) | 2016-12-27 |
TWI560759B (en) | 2016-12-01 |
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