JPWO2020008859A1 - ウエハ支持台 - Google Patents
ウエハ支持台 Download PDFInfo
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- JPWO2020008859A1 JPWO2020008859A1 JP2019547740A JP2019547740A JPWO2020008859A1 JP WO2020008859 A1 JPWO2020008859 A1 JP WO2020008859A1 JP 2019547740 A JP2019547740 A JP 2019547740A JP 2019547740 A JP2019547740 A JP 2019547740A JP WO2020008859 A1 JPWO2020008859 A1 JP WO2020008859A1
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- 239000000919 ceramic Substances 0.000 claims abstract description 93
- 239000000758 substrate Substances 0.000 claims abstract description 33
- 239000004020 conductor Substances 0.000 claims description 43
- 230000002093 peripheral effect Effects 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
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- H01J37/32—Gas-filled discharge tubes
- H01J37/32431—Constructional details of the reactor
- H01J37/32532—Electrodes
- H01J37/32541—Shape
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B18/00—Layered products essentially comprising ceramics, e.g. refractory products
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- C04B37/00—Joining burned ceramic articles with other burned ceramic articles or other articles by heating
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- C04B37/00—Joining burned ceramic articles with other burned ceramic articles or other articles by heating
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- H01J37/32—Gas-filled discharge tubes
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- H01L21/67098—Apparatus for thermal treatment
- H01L21/67103—Apparatus for thermal treatment mainly by conduction
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- H01L21/67005—Apparatus not specifically provided for elsewhere
- H01L21/67242—Apparatus for monitoring, sorting or marking
- H01L21/67248—Temperature monitoring
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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
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- 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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- 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
- H01L21/68757—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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- 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
- H01L21/68785—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 the mechanical construction of the susceptor, stage or support
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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
- H01L21/68792—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 the construction of the shaft
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- C04B2237/00—Aspects relating to ceramic laminates or to joining of ceramic articles with other articles by heating
- C04B2237/30—Composition of layers of ceramic laminates or of ceramic or metallic articles to be joined by heating, e.g. Si substrates
- C04B2237/32—Ceramic
- C04B2237/34—Oxidic
- C04B2237/343—Alumina or aluminates
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- C04B2237/00—Aspects relating to ceramic laminates or to joining of ceramic articles with other articles by heating
- C04B2237/30—Composition of layers of ceramic laminates or of ceramic or metallic articles to be joined by heating, e.g. Si substrates
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Abstract
Description
ウエハ載置面を有する円板状のセラミック基体の内部にRF電極とヒータ電極とが埋設されたウエハ支持台であって、
前記RF電極は、前記ウエハ載置面を複数に分割したゾーンごとに設けられた複数のRFゾーン電極によって構成され、
前記複数のRFゾーン電極は、ウエハ載置面からの距離の異なる少なくとも2段に分けて設けられ、
前記ヒータ電極は、前記ウエハ載置面を前記RFゾーン電極と同じように又は異なるように複数に分割したゾーンごとに設けられた複数のヒータゾーン電極によって構成され、 前記複数のRFゾーン電極は、前記セラミック基体の裏面に設けられた電極端子を通して複数のRFゾーン電極用導体にそれぞれ独立して接続され、
前記複数のヒータゾーン電極は、前記セラミック基体の前記裏面に設けられた電極端子を通して複数のヒータゾーン電極用導体にそれぞれ独立して接続されている、
ものである。
Claims (9)
- ウエハ載置面を有する円板状のセラミック基体の内部にRF電極とヒータ電極とが埋設されたウエハ支持台であって、
前記RF電極は、前記ウエハ載置面を複数に分割したゾーンごとに設けられた複数のRFゾーン電極によって構成され、
前記複数のRFゾーン電極は、ウエハ載置面からの距離の異なる少なくとも2段に分けて設けられ、
前記ヒータ電極は、前記ウエハ載置面を前記RFゾーン電極と同じように又は異なるように複数に分割したゾーンごとに設けられた複数のヒータゾーン電極によって構成され、 前記複数のRFゾーン電極は、前記セラミック基体の裏面に設けられた電極端子を通して複数のRFゾーン電極用導体にそれぞれ独立して接続され、
前記複数のヒータゾーン電極は、前記セラミック基体の前記裏面に設けられた電極端子を通して複数のヒータゾーン電極用導体にそれぞれ独立して接続されている、
ウエハ支持台。 - 前記RF電極は、前記複数のRFゾーン電極として、前記セラミック基体と同心円の円形電極又は前記円形電極を複数に分割した電極を含み、更に、前記円形電極又は前記円形電極を複数に分割した電極の外側に前記セラミック基体と同心円の1以上の円環電極か前記円環電極の少なくとも1つを複数に分割した電極とを含む、
請求項1に記載のウエハ支持台。 - 前記セラミック基体を前記ウエハ載置面から見たときに前記RFゾーン電極同士の間のギャップには少なくとも1つの前記ヒータゾーン電極が配置されている、
請求項1又は2に記載のウエハ支持台。 - 前記ギャップに配置された前記ヒータゾーン電極は、前記ギャップの形状と同じ形状のギャップヒータゾーン電極である、
請求項3に記載のウエハ支持台。 - 前記セラミック基体を前記ウエハ載置面から見たときに前記複数のRFゾーン電極の形状と前記複数のヒータゾーン電極の形状とが一致するように配置されている、
請求項1又は2に記載のウエハ支持台。 - 前記複数のRFゾーン電極は、前記セラミック基体と同心円の円形電極と、前記円形電極の外側に前記セラミック基体と同心円の1以上の円環電極とを含み、
前記ヒータ電極を構成する前記複数のヒータゾーン電極は、同一平面上に設けられ、
前記複数のRFゾーン電極の前記ヒータ電極からの高さは、前記セラミック基体の中心に近いRFゾーン電極ほど高くなっている、
請求項1〜5のいずれか1項に記載のウエハ支持台。 - 前記複数のRFゾーン電極は、前記セラミック基体と同心円の円形電極と、前記円形電極の外側に前記セラミック基体と同心円の1以上の円環電極とを含み、
前記ヒータ電極を構成する前記複数のヒータゾーン電極は、同一平面上に設けられ、
前記複数のRFゾーン電極の前記ヒータ電極からの高さは、前記セラミック基体の中心に近いRFゾーン電極ほど低くなっている、
請求項1〜5のいずれか1項に記載のウエハ支持台。 - 各RFゾーン電極上の前記セラミック基体の厚みは、同じである、
請求項6又は7に記載のウエハ支持台。 - 請求項1〜8のいずれか1項に記載のウエハ支持台であって、
前記セラミック基体の前記ウエハ載置面とは反対側の面の中央領域に接合された中空のセラミックシャフト
を備え、
前記複数のRFゾーン電極用導体及び前記ヒータ電極用導体は前記セラミックシャフトの内部に配置されている、
ウエハ支持台。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018127620 | 2018-07-04 | ||
JP2018127620 | 2018-07-04 | ||
PCT/JP2019/024033 WO2020008859A1 (ja) | 2018-07-04 | 2019-06-18 | ウエハ支持台 |
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Publication Number | Publication Date |
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JPWO2020008859A1 true JPWO2020008859A1 (ja) | 2020-07-16 |
JP6773917B2 JP6773917B2 (ja) | 2020-10-21 |
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JP2019547740A Active JP6773917B2 (ja) | 2018-07-04 | 2019-06-18 | ウエハ支持台 |
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US (1) | US11764039B2 (ja) |
JP (1) | JP6773917B2 (ja) |
KR (1) | KR102648118B1 (ja) |
CN (1) | CN111052343B (ja) |
TW (1) | TWI779206B (ja) |
WO (1) | WO2020008859A1 (ja) |
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JP7210492B2 (ja) * | 2020-02-03 | 2023-01-23 | 日本碍子株式会社 | セラミックヒータ |
JP2021132148A (ja) * | 2020-02-20 | 2021-09-09 | 東京エレクトロン株式会社 | ステージ、プラズマ処理装置及びプラズマ処理方法 |
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US20200161106A1 (en) | 2020-05-21 |
KR102648118B1 (ko) | 2024-03-19 |
CN111052343A (zh) | 2020-04-21 |
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