CN107533978B - 半导体存储装置及其制造方法 - Google Patents
半导体存储装置及其制造方法 Download PDFInfo
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- CN107533978B CN107533978B CN201580077649.6A CN201580077649A CN107533978B CN 107533978 B CN107533978 B CN 107533978B CN 201580077649 A CN201580077649 A CN 201580077649A CN 107533978 B CN107533978 B CN 107533978B
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- 238000000034 method Methods 0.000 claims description 35
- 238000005530 etching Methods 0.000 claims description 17
- 229910052751 metal Inorganic materials 0.000 claims description 15
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- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 77
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- 229910052581 Si3N4 Inorganic materials 0.000 description 19
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 17
- 230000000694 effects Effects 0.000 description 15
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- 239000010937 tungsten Substances 0.000 description 14
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 description 13
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- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Chemical compound [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 description 2
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- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
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Abstract
Description
Claims (20)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2015/066263 WO2016194211A1 (ja) | 2015-06-04 | 2015-06-04 | 半導体記憶装置及びその製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN107533978A CN107533978A (zh) | 2018-01-02 |
CN107533978B true CN107533978B (zh) | 2021-01-08 |
Family
ID=57441890
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201580077649.6A Expired - Fee Related CN107533978B (zh) | 2015-06-04 | 2015-06-04 | 半导体存储装置及其制造方法 |
Country Status (4)
Country | Link |
---|---|
US (1) | US11018148B2 (zh) |
CN (1) | CN107533978B (zh) |
TW (1) | TWI557883B (zh) |
WO (1) | WO2016194211A1 (zh) |
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