JP6905716B2 - 窒化アルミニウム膜の製造方法、および高耐圧部品の製造方法 - Google Patents
窒化アルミニウム膜の製造方法、および高耐圧部品の製造方法 Download PDFInfo
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- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 title claims description 143
- 238000004519 manufacturing process Methods 0.000 title claims description 38
- 239000000758 substrate Substances 0.000 claims description 44
- 239000004065 semiconductor Substances 0.000 claims description 34
- 239000002245 particle Substances 0.000 claims description 29
- 238000000034 method Methods 0.000 claims description 27
- 239000013078 crystal Substances 0.000 claims description 24
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 19
- 238000002441 X-ray diffraction Methods 0.000 claims description 18
- 238000005240 physical vapour deposition Methods 0.000 claims description 14
- 239000000843 powder Substances 0.000 claims description 12
- 239000001307 helium Substances 0.000 claims description 8
- 229910052734 helium Inorganic materials 0.000 claims description 8
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 claims description 8
- 230000015556 catabolic process Effects 0.000 claims description 6
- 229910052757 nitrogen Inorganic materials 0.000 claims description 4
- 230000003746 surface roughness Effects 0.000 claims description 2
- 239000010408 film Substances 0.000 description 69
- 239000000463 material Substances 0.000 description 27
- 239000002994 raw material Substances 0.000 description 13
- 239000007789 gas Substances 0.000 description 12
- 229910001873 dinitrogen Inorganic materials 0.000 description 10
- 239000003517 fume Substances 0.000 description 10
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 8
- 229910052782 aluminium Inorganic materials 0.000 description 7
- 239000010949 copper Substances 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 6
- 230000008020 evaporation Effects 0.000 description 6
- 238000001704 evaporation Methods 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 239000010409 thin film Substances 0.000 description 5
- 239000000919 ceramic Substances 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 230000017525 heat dissipation Effects 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 238000005121 nitriding Methods 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000001678 irradiating effect Effects 0.000 description 3
- 239000002105 nanoparticle Substances 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 238000005245 sintering Methods 0.000 description 3
- 239000004020 conductor Substances 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- PIGFYZPCRLYGLF-UHFFFAOYSA-N Aluminum nitride Chemical compound [Al]#N PIGFYZPCRLYGLF-UHFFFAOYSA-N 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000000386 athletic effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005219 brazing Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 229910052950 sphalerite Inorganic materials 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 229910052984 zinc sulfide Inorganic materials 0.000 description 1
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- C01B21/00—Nitrogen; Compounds thereof
- C01B21/06—Binary compounds of nitrogen with metals, with silicon, or with boron, or with carbon, i.e. nitrides; Compounds of nitrogen with more than one metal, silicon or boron
- C01B21/072—Binary compounds of nitrogen with metals, with silicon, or with boron, or with carbon, i.e. nitrides; Compounds of nitrogen with more than one metal, silicon or boron with aluminium
- C01B21/0728—After-treatment, e.g. grinding, purification
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Description
SFJ−PVD法により窒化アルミニウム膜を成膜した。基材としては、板厚0.3mmの銅板を用いた。原料蒸発源としては、アルミニウムターゲットまたは窒化アルミニウムターゲットを用いた。ターゲットの純度はそれぞれ99.9質量%(3N)以上であった。原料蒸発源にレーザ照射するチャンバ内の窒素(N2)ガス、ヘリウム(He)ガスの流量は、表1に示す比を満たすように調整した。また、レーザ出力は表1に示す条件で行った。また、真空チャンバ内の圧力は1.3×10−3Pa以下にした。その結果を表1に示す。
Claims (14)
- 窒化アルミニウム粉末を用いて超音速フリージェット物理蒸着法により窒化アルミニウム膜を成膜する工程を具備し、
前記窒化アルミニウム膜は、多結晶の窒化アルミニウムを含み、
前記窒化アルミニウム膜の絶縁耐圧が100kV/mm以上である、窒化アルミニウム膜の製造方法。 - 前記多結晶の窒化アルミニウムは、複数の窒化アルミニウム結晶粒子を有し、
前記窒化アルミニウム膜中の前記複数の窒化アルミニウム結晶粒子の割合は90体積%以上100体積%以下である、請求項1に記載の窒化アルミニウム膜の製造方法。 - 前記複数の窒化アルミニウム結晶粒子の平均粒径が30nm以下である、請求項2に記載の窒化アルミニウム膜の製造方法。
- 前記絶縁耐圧が200kV/mm以上である、請求項1ないし請求項3のいずれか一項に記載の窒化アルミニウム膜の製造方法。
- 前記窒化アルミニウム膜のX線回折分析により得られるX線回折パターンは、33.2±1°の回折角2θに位置する回折ピークを有する、請求項1ないし請求項4のいずれか一項に記載の窒化アルミニウム膜の製造方法。
- 前記窒化アルミニウム膜のX線回折分析により得られるX線回折パターンは、33.2±1°の回折角2θに位置する第1の回折ピークと、43.5±1°の回折角2θに位置する第2の回折ピークと、を有し、
前記第1の回折ピークの強度に対する前記第2の回折ピークの強度の比が0.01以上である、請求項1ないし請求項4のいずれか一項に記載の窒化アルミニウム膜の製造方法。 - 前記窒化アルミニウム膜のX線回折分析により得られるX線回折パターンは、窒化アルミニウム結晶に基づく回折ピークを有し、前記窒化アルミニウム結晶に基づく回折ピーク以外の回折ピークを有しない、請求項1ないし請求項4のいずれか一項に記載の窒化アルミニウム膜の製造方法。
- 前記多結晶の窒化アルミニウムは、六方晶窒化アルミニウムと立方晶窒化アルミニウムとを含む、請求項1ないし請求項7のいずれか一項に記載の窒化アルミニウム膜の製造方法。
- 前記窒化アルミニウム膜の表面粗さRaが3μm以下である、請求項1ないし請求項8のいずれか一項に記載の窒化アルミニウム膜の製造方法。
- 前記窒化アルミニウム膜の膜厚が1μm以上である、請求項1ないし請求項9のいずれか一項に記載の窒化アルミニウム膜の製造方法。
- 前記窒化アルミニウム膜は、窒素を含む不活性雰囲気下で成膜される、請求項1ないし請求項10のいずれか一項に記載の窒化アルミニウム膜の製造方法。
- 前記不活性雰囲気がヘリウムをさらに含む、請求項11に記載の窒化アルミニウム膜の製造方法。
- 請求項1ないし請求項12のいずれか一項に記載の製造方法により前記窒化アルミニウム膜を基材上に形成する工程と、を具備する、高耐圧部品の製造方法。
- 前記高耐圧部品が半導体素子搭載用基板、ヒータ用部品、または半導体製造装置用部品である、請求項13に記載の高耐圧部品の製造方法。
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- 2017-03-03 WO PCT/JP2017/008487 patent/WO2017154774A1/ja active Application Filing
- 2017-03-03 JP JP2018504444A patent/JP6905716B2/ja active Active
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2018
- 2018-09-07 US US16/125,524 patent/US20190002281A1/en not_active Abandoned
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2021
- 2021-06-01 US US17/335,466 patent/US11572275B2/en active Active
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Publication number | Publication date |
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US11572275B2 (en) | 2023-02-07 |
US20190002281A1 (en) | 2019-01-03 |
WO2017154774A1 (ja) | 2017-09-14 |
JPWO2017154774A1 (ja) | 2019-01-10 |
US20210284535A1 (en) | 2021-09-16 |
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