JP6030418B2 - Pzt膜の形成方法 - Google Patents
Pzt膜の形成方法 Download PDFInfo
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- JP6030418B2 JP6030418B2 JP2012255635A JP2012255635A JP6030418B2 JP 6030418 B2 JP6030418 B2 JP 6030418B2 JP 2012255635 A JP2012255635 A JP 2012255635A JP 2012255635 A JP2012255635 A JP 2012255635A JP 6030418 B2 JP6030418 B2 JP 6030418B2
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- film
- pzt film
- pzt
- forming
- heating
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- 238000000034 method Methods 0.000 title claims description 36
- 238000012545 processing Methods 0.000 claims description 64
- 238000010438 heat treatment Methods 0.000 claims description 44
- 238000004544 sputter deposition Methods 0.000 claims description 19
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 16
- 229910052451 lead zirconate titanate Inorganic materials 0.000 claims description 10
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 9
- 239000001301 oxygen Substances 0.000 claims description 9
- 229910052760 oxygen Inorganic materials 0.000 claims description 9
- 229910052697 platinum Inorganic materials 0.000 claims description 8
- 229910052710 silicon Inorganic materials 0.000 claims description 8
- 239000010703 silicon Substances 0.000 claims description 8
- 239000000758 substrate Substances 0.000 claims description 8
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 7
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- HFGPZNIAWCZYJU-UHFFFAOYSA-N lead zirconate titanate Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Ti+4].[Zr+4].[Pb+2] HFGPZNIAWCZYJU-UHFFFAOYSA-N 0.000 claims description 3
- 239000007789 gas Substances 0.000 description 16
- 230000015572 biosynthetic process Effects 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 5
- 238000000151 deposition Methods 0.000 description 5
- 238000002474 experimental method Methods 0.000 description 5
- 239000012528 membrane Substances 0.000 description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- 230000008021 deposition Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 238000001878 scanning electron micrograph Methods 0.000 description 3
- 239000010936 titanium Substances 0.000 description 3
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 229910001882 dioxygen Inorganic materials 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000010287 polarization Effects 0.000 description 2
- 239000012495 reaction gas Substances 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910020684 PbZr Inorganic materials 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 238000002441 X-ray diffraction Methods 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 150000003376 silicon Chemical class 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
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- Physical Vapour Deposition (AREA)
Description
形態について説明する。
ーゲット、5…加熱手段、61,62…ガス導入管、9…防着板(真空処理室内に存する
部品)。
Claims (3)
- PZT膜の形成方法であって、
処理対象物を、シリコン基板表面にプラチナ膜を所定膜厚で成膜したものとし、この処理対象物に対し、チタン酸ジルコン酸鉛膜を構成する元素のうちの一種若しくは二種以上の元素のターゲットを用い、酸素含有雰囲気中でこのターゲットをスパッタリングすることで引張方向の応力を持つPZT膜を成膜する成膜工程を含み、
PZT膜が成膜された処理対象物をPb雰囲気で第1温度に加熱し、処理対象物が第1温度に到達した後に10分より長く保持して前記PZT膜の応力を圧縮方向にする後加熱工程を更に含むことを特徴とするPZT膜の形成方法。 - 成膜工程に先立って処理対象物を第2温度に加熱する前加熱工程を更に含むことを特徴とする請求項1記載のPZT膜の形成方法。
- 前記後加熱工程を、成膜工程が実施される真空処理室内で連続して実施することを特徴とする請求項1または請求項2記載のPZT膜の形成方法。
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JP2012255635A JP6030418B2 (ja) | 2012-07-25 | 2012-11-21 | Pzt膜の形成方法 |
Applications Claiming Priority (3)
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JP2012165098 | 2012-07-25 | ||
JP2012165098 | 2012-07-25 | ||
JP2012255635A JP6030418B2 (ja) | 2012-07-25 | 2012-11-21 | Pzt膜の形成方法 |
Publications (2)
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JP2014040651A JP2014040651A (ja) | 2014-03-06 |
JP6030418B2 true JP6030418B2 (ja) | 2016-11-24 |
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JP2012255635A Active JP6030418B2 (ja) | 2012-07-25 | 2012-11-21 | Pzt膜の形成方法 |
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JP (1) | JP6030418B2 (ja) |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03290315A (ja) * | 1990-04-03 | 1991-12-20 | Nippon Cement Co Ltd | Bi系酸化物超伝導体薄膜の製造方法 |
JP2614353B2 (ja) * | 1990-08-13 | 1997-05-28 | シャープ株式会社 | Pbを含む強誘電体複合酸化物の製造方法 |
JP3490483B2 (ja) * | 1993-10-08 | 2004-01-26 | アネルバ株式会社 | Pzt薄膜の作製方法 |
US6162698A (en) * | 1997-06-28 | 2000-12-19 | Hyundai Electronics Industries Co., Ltd. | Method of manufacturing a capacitor in a semiconductor device |
JP2002118236A (ja) * | 2000-10-10 | 2002-04-19 | Hitachi Ltd | 半導体装置およびその製造方法 |
JP2004253535A (ja) * | 2003-02-19 | 2004-09-09 | Matsushita Electric Ind Co Ltd | 誘電体薄膜形成装置および誘電体薄膜形成方法 |
JP5612343B2 (ja) * | 2010-03-24 | 2014-10-22 | スタンレー電気株式会社 | 圧電体素子の製造方法 |
JP2012004396A (ja) * | 2010-06-18 | 2012-01-05 | Panasonic Corp | 圧電体膜の製造方法とそれを用いた圧電体素子 |
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2012
- 2012-11-21 JP JP2012255635A patent/JP6030418B2/ja active Active
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