JP2018537002A - 高温半導体処理におけるクランピングのための静電チャック及びそれを製造する方法 - Google Patents
高温半導体処理におけるクランピングのための静電チャック及びそれを製造する方法 Download PDFInfo
- Publication number
- JP2018537002A JP2018537002A JP2018543028A JP2018543028A JP2018537002A JP 2018537002 A JP2018537002 A JP 2018537002A JP 2018543028 A JP2018543028 A JP 2018543028A JP 2018543028 A JP2018543028 A JP 2018543028A JP 2018537002 A JP2018537002 A JP 2018537002A
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- JP
- Japan
- Prior art keywords
- layer
- electrostatic chuck
- plate layer
- plate
- aluminum
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
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- RUDFQVOCFDJEEF-UHFFFAOYSA-N yttrium(III) oxide Inorganic materials [O-2].[O-2].[O-2].[Y+3].[Y+3] RUDFQVOCFDJEEF-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
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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
- H01L21/683—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
- H01L21/6831—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 electrostatic chucks
- H01L21/6833—Details of electrostatic chucks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K1/00—Soldering, e.g. brazing, or unsoldering
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
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- B23K1/0008—Soldering, e.g. brazing, or unsoldering specially adapted for particular articles or work
- B23K1/0016—Brazing of electronic components
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
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- B23K1/008—Soldering within a furnace
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
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- H01L21/67005—Apparatus not specifically provided for elsewhere
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- H01L21/6831—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 electrostatic chucks
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
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- 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
- H01L21/68757—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 coating or a hardness or a material
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N13/00—Clutches or holding devices using electrostatic attraction, e.g. using Johnson-Rahbek effect
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
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- B23K2101/36—Electric or electronic devices
- B23K2101/42—Printed circuits
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
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- B23K2103/18—Dissimilar materials
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
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- C04B2237/00—Aspects relating to ceramic laminates or to joining of ceramic articles with other articles by heating
- C04B2237/50—Processing aspects relating to ceramic laminates or to the joining of ceramic articles with other articles by heating
- C04B2237/68—Forming laminates or joining articles wherein at least one substrate contains at least two different parts of macro-size, e.g. one ceramic substrate layer containing an embedded conductor or electrode
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Abstract
【選択図】図7
Description
しかし、従来、単一J−Rクランプは、誘電材料層の抵抗率が温度と共に変化することで両方の極端な温度に適応することができない。従って、従来のJ−Rクランプに示すクランピング力は、温度と共に劇的に変化し、潜在的な望ましくないクランピング効果がもたらされる。
Claims (14)
- 半導体処理に使用するための静電チャックであって、
サファイアの最上プレート層とセラミックの下側プレート層とを有するプレートアセンブリ、を備え、
前記プレートアセンブリは、周縁と、該周縁で前記最上プレート層及び前記下側プレート層の間にあり、半導体処理環境に耐えるのに適切である気密密封接合部とを有する、
ことを特徴とする静電チャック。 - 前記周縁内で前記最上プレート層と前記下側プレート層の間に配置されたクランプ電極を更に備えている、
請求項1に記載の静電チャック。 - 前記クランプ電極は、89重量%よりも多い金属アルミニウム及び99重量%よりも多い金属アルミニウムから構成される群から選択された材料のものである、
請求項2に記載の静電チャック。 - 前記気密密封接合部は、89重量%よりも多い金属アルミニウム及び99重量%よりも多い金属アルミニウムから構成される群から選択された材料のものである、
請求項1に記載の静電チャック。 - 前記プレートアセンブリは、底部を有し、
静電チャックが、前記プレートアセンブリの前記底部に接合されたシャフトを更に備えている、
請求項1に記載の静電チャック。 - 前記プレートアセンブリの前記底部と前記シャフトの間にあり、半導体処理環境に耐えるのに適切である追加の気密密封接合部を更に備えている、
請求項5に記載の静電チャック。 - 前記下側プレート層の前記セラミックは、酸化アルミニウム及び窒化アルミニウムから構成される群から選択される、
請求項1に記載の静電チャック。 - 半導体処理に使用するための静電チャックであって、
500℃から750℃の温度範囲にわたって10E9ohm−cmから10E11ohm−cmの範囲のバルク抵抗率を有する材料の最上プレート層と、セラミックの下側プレート層とを有するプレートアセンブリ、を備え、
前記プレートアセンブリは、周縁と、該周縁で前記最上プレート層及び前記下側プレート層の間にあり、半導体処理環境に耐えるのに適切である気密密封接合部とを有する、
ことを特徴とする静電チャック。 - 前記周縁内で前記最上プレート層と前記下側プレート層の間に配置されたクランプ電極を更に備えている、
請求項8に記載の静電チャック。 - 前記気密密封接合部は、89重量%よりも多い金属アルミニウム及び99重量%よりも多い金属アルミニウムから構成される群から選択された材料のものである、
請求項8に記載の静電チャック。 - 前記プレートアセンブリは、底部を有し、
静電チャックが、前記プレートアセンブリの前記底部に接合されたシャフトを更に備えている、
請求項8に記載の静電チャック。 - 半導体処理に使用される多層プレートデバイスを製造する方法であって、
サファイアを含む最上プレート層と、セラミックを含む下側プレート層と、該最上プレート層及び該下側プレート層間に配置されて89重量%アルミニウムよりも多いアルミニウムを含むろう付け層とを含む複数のプレート構成要素をスタックに配置する段階と、
前記最上プレート層を前記下側プレート層に接合する接合段階であって、該上側プレート層を該下側プレート層に接合する該段階が、
前記構成要素を処理チャンバ内に置く段階、
前記処理チャンバから酸素を除去する段階、及び
前記プレート構成要素のスタックを加熱し、それによって気密密封接合部を用いて前記最上プレート層を前記下側プレート層に接合する段階を含む接合段階と、
を含むことを特徴とする方法。 - 前記処理チャンバから酸素を除去する前記段階は、前記プレート構成要素のスタックを前記加熱する段階中に真空圧力が1×10E−4よりも低い真空を該プレート構成要素のスタックに印加する段階を含む、
請求項12に記載の方法。 - 前記プレート構成要素のスタックを加熱する前記段階は、加圧された該プレート構成要素のスタックを800℃と1200℃の間の第1の温度まで加熱する段階を含む、
請求項13に記載の方法。
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