JP3896123B2 - 半導体装置の製造方法 - Google Patents
半導体装置の製造方法 Download PDFInfo
- Publication number
- JP3896123B2 JP3896123B2 JP2004121902A JP2004121902A JP3896123B2 JP 3896123 B2 JP3896123 B2 JP 3896123B2 JP 2004121902 A JP2004121902 A JP 2004121902A JP 2004121902 A JP2004121902 A JP 2004121902A JP 3896123 B2 JP3896123 B2 JP 3896123B2
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- Prior art keywords
- electrode
- semiconductor device
- platinum
- substrate
- manufacturing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000004065 semiconductor Substances 0.000 title claims description 23
- 238000004519 manufacturing process Methods 0.000 title claims description 11
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 123
- 229910052697 platinum Inorganic materials 0.000 claims description 61
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 42
- 238000000034 method Methods 0.000 claims description 26
- 239000007789 gas Substances 0.000 claims description 24
- 238000004140 cleaning Methods 0.000 claims description 21
- 238000005530 etching Methods 0.000 claims description 21
- 239000000758 substrate Substances 0.000 claims description 21
- 239000000460 chlorine Substances 0.000 claims description 15
- 239000003990 capacitor Substances 0.000 claims description 14
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 13
- 150000002500 ions Chemical class 0.000 claims description 13
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 12
- 229910052801 chlorine Inorganic materials 0.000 claims description 12
- 229910052757 nitrogen Inorganic materials 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 4
- 239000012212 insulator Substances 0.000 claims description 2
- 239000010410 layer Substances 0.000 description 47
- 239000002245 particle Substances 0.000 description 31
- 239000010408 film Substances 0.000 description 24
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 21
- 229910001873 dinitrogen Inorganic materials 0.000 description 18
- 239000011229 interlayer Substances 0.000 description 9
- 239000001257 hydrogen Substances 0.000 description 8
- 229910052739 hydrogen Inorganic materials 0.000 description 8
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 7
- 239000000463 material Substances 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- HTXDPTMKBJXEOW-UHFFFAOYSA-N dioxoiridium Chemical compound O=[Ir]=O HTXDPTMKBJXEOW-UHFFFAOYSA-N 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 229910052741 iridium Inorganic materials 0.000 description 2
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 description 2
- 229910000457 iridium oxide Inorganic materials 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 238000001020 plasma etching Methods 0.000 description 2
- 229910020684 PbZr Inorganic materials 0.000 description 1
- 229910004541 SiN Inorganic materials 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- 230000000274 adsorptive effect Effects 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
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000005137 deposition process Methods 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 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
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- ing And Chemical Polishing (AREA)
- Drying Of Semiconductors (AREA)
- Semiconductor Memories (AREA)
Description
Claims (5)
- プラチナを主体とする導電層と、この導電層上に設けられかつ絶縁体からなるマスク層とを有する被処理基板を含む半導体装置の製造方法であって、
前記マスク層をマスクとして前記導電層をエッチングする工程と、
プラズマを発生させ、このプラズマ中のイオンによってエッチング生成物が付着した前記被処理基板をクリーニングする工程とを具備し、
前記クリーニングする工程は、
前記被処理基板を300℃以上の温度に加熱する工程と、
塩素と窒素とを含み且つ前記塩素と窒素との原子比が9対1乃至5対5であるガスを導入する工程と、
前記イオンが前記被処理基板に入射するように、前記被処理基板が載置される電極に電力を印加する工程とから成り、
前記電力は、前記電極の単位面積あたり0.02W/cm2以下であることを特徴とする半導体装置の製造方法。 - 前記マスク層は、SiO2或いはSiNからなることを特徴とする請求項1記載の半導体装置の製造方法。
- 前記電力は、前記電極の単位面積あたり0.015W/cm2以下であることを特徴とする請求項1又は2に記載の半導体装置の製造方法。
- 前記温度は、350℃以上であることを特徴とする請求項1乃至3のいずれかに記載の半導体装置の製造方法。
- 前記被処理基板は、下部電極、誘電体層及び上部電極を有するキャパシタを含み、前記導電層が前記上部電極であることを特徴とする請求項1乃至4のいずれかに記載の半導体装置の製造方法。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004121902A JP3896123B2 (ja) | 2004-04-16 | 2004-04-16 | 半導体装置の製造方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004121902A JP3896123B2 (ja) | 2004-04-16 | 2004-04-16 | 半導体装置の製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005310828A JP2005310828A (ja) | 2005-11-04 |
JP3896123B2 true JP3896123B2 (ja) | 2007-03-22 |
Family
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Application Number | Title | Priority Date | Filing Date |
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JP2004121902A Expired - Fee Related JP3896123B2 (ja) | 2004-04-16 | 2004-04-16 | 半導体装置の製造方法 |
Country Status (1)
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JP (1) | JP3896123B2 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101296950B (zh) | 2005-10-26 | 2011-01-26 | 旭硝子株式会社 | 含氟乳化剂的残留量少的氟树脂及其制造方法 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04183879A (ja) * | 1990-11-16 | 1992-06-30 | Nisshin Hightech Kk | ドライエッチング方法および装置 |
JPH0562957A (ja) * | 1991-09-04 | 1993-03-12 | Seiko Epson Corp | プラズマ洗浄法 |
JP2624103B2 (ja) * | 1992-11-19 | 1997-06-25 | 日本電気株式会社 | マグネトロンrieドライエッチング方法 |
JPH07307326A (ja) * | 1994-05-11 | 1995-11-21 | Sony Corp | プラズマエッチング装置およびプラズマエッチング方法 |
TW409152B (en) * | 1996-06-13 | 2000-10-21 | Samsung Electronic | Etching gas composition for ferroelectric capacitor electrode film and method for etching a transition metal thin film |
US6368517B1 (en) * | 1999-02-17 | 2002-04-09 | Applied Materials, Inc. | Method for preventing corrosion of a dielectric material |
JP2003282839A (ja) * | 2002-03-27 | 2003-10-03 | Seiko Epson Corp | 強誘電体メモリ装置の製造方法 |
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2004
- 2004-04-16 JP JP2004121902A patent/JP3896123B2/ja not_active Expired - Fee Related
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