JP5857476B2 - 窒化アルミニウム焼結体及びそれを用いた半導体製造装置用又は検査装置用のウエハ保持体 - Google Patents
窒化アルミニウム焼結体及びそれを用いた半導体製造装置用又は検査装置用のウエハ保持体 Download PDFInfo
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- JP5857476B2 JP5857476B2 JP2011145450A JP2011145450A JP5857476B2 JP 5857476 B2 JP5857476 B2 JP 5857476B2 JP 2011145450 A JP2011145450 A JP 2011145450A JP 2011145450 A JP2011145450 A JP 2011145450A JP 5857476 B2 JP5857476 B2 JP 5857476B2
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- aluminum nitride
- sintered body
- carbon nanotubes
- nitride sintered
- wafer holder
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- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 title claims description 124
- 238000004519 manufacturing process Methods 0.000 title claims description 12
- 239000004065 semiconductor Substances 0.000 title claims description 10
- 238000007689 inspection Methods 0.000 title claims description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 75
- 239000002041 carbon nanotube Substances 0.000 claims description 73
- 229910021393 carbon nanotube Inorganic materials 0.000 claims description 73
- 239000002245 particle Substances 0.000 claims description 35
- 238000005245 sintering Methods 0.000 description 34
- 238000010438 heat treatment Methods 0.000 description 28
- 239000000758 substrate Substances 0.000 description 26
- 238000000034 method Methods 0.000 description 23
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 14
- 239000001301 oxygen Substances 0.000 description 14
- 229910052760 oxygen Inorganic materials 0.000 description 14
- 239000012299 nitrogen atmosphere Substances 0.000 description 12
- 239000002002 slurry Substances 0.000 description 12
- 238000002156 mixing Methods 0.000 description 10
- 230000002829 reductive effect Effects 0.000 description 9
- 239000000203 mixture Substances 0.000 description 8
- 238000000465 moulding Methods 0.000 description 8
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 7
- 239000008187 granular material Substances 0.000 description 7
- 229910052750 molybdenum Inorganic materials 0.000 description 7
- 239000011733 molybdenum Substances 0.000 description 7
- 238000012545 processing Methods 0.000 description 7
- 238000005238 degreasing Methods 0.000 description 6
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 6
- 229910052721 tungsten Inorganic materials 0.000 description 6
- 239000010937 tungsten Substances 0.000 description 6
- 150000001875 compounds Chemical class 0.000 description 5
- 238000007731 hot pressing Methods 0.000 description 5
- 238000003825 pressing Methods 0.000 description 5
- 230000007423 decrease Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 238000007650 screen-printing Methods 0.000 description 4
- 238000001694 spray drying Methods 0.000 description 4
- 239000012298 atmosphere Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 238000005498 polishing Methods 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 238000005054 agglomeration Methods 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 2
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000007606 doctor blade method Methods 0.000 description 2
- 238000001513 hot isostatic pressing Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000005304 joining Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052761 rare earth metal Inorganic materials 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 150000001341 alkaline earth metal compounds Chemical class 0.000 description 1
- 150000001342 alkaline earth metals Chemical class 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 238000005219 brazing Methods 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002071 nanotube Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- SIWVEOZUMHYXCS-UHFFFAOYSA-N oxo(oxoyttriooxy)yttrium Chemical compound O=[Y]O[Y]=O SIWVEOZUMHYXCS-UHFFFAOYSA-N 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
Images
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- Ceramic Products (AREA)
- Container, Conveyance, Adherence, Positioning, Of Wafer (AREA)
Description
窒化アルミニウム粉末に、添加量が5重量%となるように焼結助剤としての酸化イットリウムを加え、更にバインダー及び溶剤を加えてスラリーを調製した。このスラリーを小分けし、それぞれに平均直径150nm、平均アスペクト比200のカーボンナノチューブを、添加量が0〜2.0重量%の間で少しずつ異なるように添加した。これにより、カーボンナノチューブの添加量が互いに異なる13種類の窒化アルミニウムスラリーを作製した。これら13種類の窒化アルミニウムスラリーに対して、ボールミル混合を24時間行った上、更に超音波混合を24時間行った。
カーボンナノチューブを含んだ窒化アルミニウム焼結体からなるウエハ保持体の特性を評価するため、上記実施例1の試料1及び9の焼結体と同一の組成の窒化アルミニウム焼結体を用いて図1(a)〜(c)に示すような半導体製造装置用のウエハ保持体を作製し、体積抵抗率に関する試験を行った。
上記実施例1の試料1及び9の焼結体と同一の組成の窒化アルミニウム焼結体をそれぞれ用いて図2(a)〜(c)に示すような半導体製造装置用のウエハ保持体を作製し、体積抵抗率に関する試験を行った。具体的には、先ず、実施例1の試料1の焼結体と同一の組成の窒化アルミニウムスラリーからスプレードライ法で顆粒を作製し、これを焼結後の厚みが10mmとなるようにプレス機でプレス成形した。このプレス成形体の片面に溝加工を施し、ここに抵抗発熱体14としてのモリブデン製コイルを挿入した。
4 抵抗発熱体
5 RF電極
6 筒状体
10、20、30 ウエハ保持体
Claims (3)
- カーボンナノチューブを内部に含んだ窒化アルミニウム粒子からなり、該カーボンナノチューブの添加量が0.01〜1.0重量%の窒化アルミニウム焼結体であって、その常温及び500℃における体積抵抗率がそれぞれ1.0×1013Ω・cm以上及び1.0×108Ω・cm以上であることを特徴とする窒化アルミニウム焼結体。
- 前記カーボンナノチューブの添加量が0.6〜1.0重量%であること特徴とする、請求項1に記載の窒化アルミニウム焼結体。
- 請求項1又は請求項2に記載の窒化アルミニウム焼結体が少なくとも部分的に用いられていることを特徴とする半導体製造装置用又は検査装置用のウエハ保持体。
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JP2011145450A JP5857476B2 (ja) | 2011-06-30 | 2011-06-30 | 窒化アルミニウム焼結体及びそれを用いた半導体製造装置用又は検査装置用のウエハ保持体 |
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JP2011145450A JP5857476B2 (ja) | 2011-06-30 | 2011-06-30 | 窒化アルミニウム焼結体及びそれを用いた半導体製造装置用又は検査装置用のウエハ保持体 |
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JP2013010676A JP2013010676A (ja) | 2013-01-17 |
JP5857476B2 true JP5857476B2 (ja) | 2016-02-10 |
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WO2014175425A1 (ja) * | 2013-04-26 | 2014-10-30 | 京セラ株式会社 | 試料保持具 |
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DE3608326A1 (de) * | 1986-03-13 | 1987-09-17 | Kempten Elektroschmelz Gmbh | Praktisch porenfreie formkoerper aus polykristallinem aluminiumnitrid und verfahren zu ihrer herstellung ohne mitverwendung von sinterhilfsmitteln |
JP2003226580A (ja) * | 2001-11-26 | 2003-08-12 | Ngk Insulators Ltd | 窒化アルミニウム質セラミックスおよび半導体製造用部材 |
JP4499431B2 (ja) * | 2003-07-07 | 2010-07-07 | 日本碍子株式会社 | 窒化アルミニウム焼結体、静電チャック、導電性部材、半導体製造装置用部材及び窒化アルミニウム焼結体の製造方法 |
JP2006265036A (ja) * | 2005-03-24 | 2006-10-05 | Yokohama National Univ | 導電性窒化アルミニウム材料とその製造方法 |
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