JP4484665B2 - 3−5族化合物半導体製造装置用部材の製造方法 - Google Patents
3−5族化合物半導体製造装置用部材の製造方法 Download PDFInfo
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- JP4484665B2 JP4484665B2 JP2004311707A JP2004311707A JP4484665B2 JP 4484665 B2 JP4484665 B2 JP 4484665B2 JP 2004311707 A JP2004311707 A JP 2004311707A JP 2004311707 A JP2004311707 A JP 2004311707A JP 4484665 B2 JP4484665 B2 JP 4484665B2
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- 238000004519 manufacturing process Methods 0.000 title claims description 24
- 239000004065 semiconductor Substances 0.000 title claims description 14
- 150000001875 compounds Chemical class 0.000 title claims description 11
- 238000000034 method Methods 0.000 title claims description 10
- 239000000843 powder Substances 0.000 claims description 27
- 229910052582 BN Inorganic materials 0.000 claims description 26
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 claims description 25
- JKWMSGQKBLHBQQ-UHFFFAOYSA-N diboron trioxide Chemical compound O=BOB=O JKWMSGQKBLHBQQ-UHFFFAOYSA-N 0.000 claims description 20
- 229910052810 boron oxide Inorganic materials 0.000 claims description 19
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical group CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 16
- 239000002131 composite material Substances 0.000 claims description 16
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 14
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 14
- 239000002245 particle Substances 0.000 claims description 11
- 239000011812 mixed powder Substances 0.000 claims description 10
- 239000002904 solvent Substances 0.000 claims description 10
- 239000012298 atmosphere Substances 0.000 claims description 7
- 230000001590 oxidative effect Effects 0.000 claims description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 12
- 238000005245 sintering Methods 0.000 description 12
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 9
- 229910052796 boron Inorganic materials 0.000 description 9
- 239000013078 crystal Substances 0.000 description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 5
- 230000012010 growth Effects 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000002488 metal-organic chemical vapour deposition Methods 0.000 description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 238000001004 secondary ion mass spectrometry Methods 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- -1 boron nitride compound Chemical class 0.000 description 2
- 239000003575 carbonaceous material Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000012299 nitrogen atmosphere Substances 0.000 description 2
- SIWVEOZUMHYXCS-UHFFFAOYSA-N oxo(oxoyttriooxy)yttrium Chemical compound O=[Y]O[Y]=O SIWVEOZUMHYXCS-UHFFFAOYSA-N 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- 229910052594 sapphire Inorganic materials 0.000 description 2
- 239000010980 sapphire Substances 0.000 description 2
- XCZXGTMEAKBVPV-UHFFFAOYSA-N trimethylgallium Chemical compound C[Ga](C)C XCZXGTMEAKBVPV-UHFFFAOYSA-N 0.000 description 2
- 238000001947 vapour-phase growth Methods 0.000 description 2
- 238000007088 Archimedes method Methods 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 1
- 239000000292 calcium oxide Substances 0.000 description 1
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 1
- 239000012159 carrier gas Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000000445 field-emission scanning electron microscopy Methods 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 230000009955 peripheral mechanism Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000000927 vapour-phase epitaxy Methods 0.000 description 1
- 230000004580 weight loss Effects 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
- 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
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Description
市販の窒化珪素粉末(純度95質量%、平均粒径1.2μm、酸素量1.8質量%、α化率90質量%)60.2質量%と、表1に示される種々の窒化硼素粉末32.4質量%と、焼結助剤(イットリ粉末5.6質量%、アルミナ粉末1.8質量%)7.4質量%とを混合し、ボールミルにより1時間混合した。得られた混合粉末を内径150mmの黒鉛ダイスに適量充填し、ホットプレス法により20MPaの圧力を加えながら窒素ガス雰囲気中、温度1900℃の温度でホットプレス焼結し、直径150mm、高さ200mmの円柱状複合焼結体を製造した。なお、イットリア粉末の平均粒径は2.0μm、純度は99.5質量%であり、アルミナ粉末の平均粒径は0.5μm、純度は99.9質量%である。
複合焼結体をメノウ乳鉢で50μm以下に粉砕し、その1gをエタノール50mlに10時間浸漬した後の質量減少分を測定し、浸漬前の質量に対する百分率(%)を算出した。なお、窒化硼素粉末のエタノール可溶の酸化硼素量は、粉砕せずにそのまま用いて測定した。
石英管状炉中において複合焼結体を設置し、1ml/秒の流量でアンモニアガスが流れている雰囲気において1200℃温度で10時間曝し、その質量変化を測定した。そしてその変化量を高温アンモニアガスに対する耐性を示す数値とした。
JIS K 7218 に従い、摩擦磨耗試験(機器:神鋼造機社製円筒型摩擦磨耗試験機)を行った。測定は銅円筒を用い、荷重50kgf/cm2、回転数50rpm、測定時間10分間で行い、重量減少量を測定して比磨耗量(×10−6cm3/kgf・cm)を算出した。比磨耗量が少ないほど耐磨耗性が大きいことを示す。
SiウェハへのB2O3の蒸着試験を行って評価した。すなわち、石英管中にSiウェハと実施例で製造された部材を1cmの距離を置いて対面させて配置し、窒素雰囲気下、1000℃で10時間加熱した後切断し、断面をFE−SEM(日本電子社製「JSM6700F」)観察してSiウェハに蒸着されたB2O3量を測定した。
相対密度の測定はアルキメデス法により実施した。
混合粉末100gあたり2000mlのエタノール(特級試薬)を配合し、2時間攪拌処理してから窒素雰囲気下で乾燥したものを用いたこと以外は、参考例2と同様にして部材を製造した。
Claims (4)
- 平均粒径が5〜25μm、エタノール可溶の酸化硼素含有量が1質量%以下(0%を含む)である窒化硼素粉末を10質量%以上と、窒化珪素粉末を90質量%以下とを含み、両粉末の合計が90質量%以上(100%を含む)である混合粉末を、酸化硼素可溶な溶媒と混合してから溶媒を除去した後、非酸化性雰囲気下又は真空中、焼結することを特徴とする、窒化硼素と窒化珪素とを含む複合焼結体からなり、エタノール可溶の酸化硼素含有量が0.1質量%以下(0%を含む)で、相対密度が80%以上である3−5族化合物半導体製造装置用部材の製造方法。
- 酸化硼素可溶な溶媒がエタノールであることを特徴とする請求項1記載の製造方法。
- 複合焼結体の窒化硼素の含有量が20〜40質量%であることを特徴とする請求項1記載の製造方法。
- 複合焼結体の窒化硼素の含有量が25〜35質量%であることを特徴とする請求項1記載の製造方法。
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JP2006124203A JP2006124203A (ja) | 2006-05-18 |
JP4484665B2 true JP4484665B2 (ja) | 2010-06-16 |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02255571A (ja) * | 1989-03-29 | 1990-10-16 | Shin Etsu Chem Co Ltd | 易加工性セラミックス |
JPH0570234A (ja) * | 1991-09-09 | 1993-03-23 | Denki Kagaku Kogyo Kk | 窒化ホウ素と窒化ケイ素の複合焼結体の製造方法 |
JPH08208339A (ja) * | 1995-02-02 | 1996-08-13 | Shin Etsu Chem Co Ltd | 高純度窒化ほう素成形体の製造方法 |
JPH11139875A (ja) * | 1997-11-06 | 1999-05-25 | Isuzu Ceramics Res Inst Co Ltd | 窒化ケイ素と窒化ホウ素の複合焼結体 |
JP2001044128A (ja) * | 1999-05-10 | 2001-02-16 | Sumitomo Chem Co Ltd | 半導体製造装置用部材と半導体製造装置および3−5族化合物半導体とそれを用いた発光素子 |
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2004
- 2004-10-27 JP JP2004311707A patent/JP4484665B2/ja not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02255571A (ja) * | 1989-03-29 | 1990-10-16 | Shin Etsu Chem Co Ltd | 易加工性セラミックス |
JPH0570234A (ja) * | 1991-09-09 | 1993-03-23 | Denki Kagaku Kogyo Kk | 窒化ホウ素と窒化ケイ素の複合焼結体の製造方法 |
JPH08208339A (ja) * | 1995-02-02 | 1996-08-13 | Shin Etsu Chem Co Ltd | 高純度窒化ほう素成形体の製造方法 |
JPH11139875A (ja) * | 1997-11-06 | 1999-05-25 | Isuzu Ceramics Res Inst Co Ltd | 窒化ケイ素と窒化ホウ素の複合焼結体 |
JP2001044128A (ja) * | 1999-05-10 | 2001-02-16 | Sumitomo Chem Co Ltd | 半導体製造装置用部材と半導体製造装置および3−5族化合物半導体とそれを用いた発光素子 |
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