CN102299106A - 相变存储器存储单元及其制作方法 - Google Patents
相变存储器存储单元及其制作方法 Download PDFInfo
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- CN102299106A CN102299106A CN2010102178373A CN201010217837A CN102299106A CN 102299106 A CN102299106 A CN 102299106A CN 2010102178373 A CN2010102178373 A CN 2010102178373A CN 201010217837 A CN201010217837 A CN 201010217837A CN 102299106 A CN102299106 A CN 102299106A
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- 230000008859 change Effects 0.000 title claims abstract description 53
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 11
- 238000005530 etching Methods 0.000 claims abstract description 44
- 239000000463 material Substances 0.000 claims abstract description 40
- 238000000034 method Methods 0.000 claims abstract description 27
- 238000000151 deposition Methods 0.000 claims abstract description 23
- 238000000059 patterning Methods 0.000 claims abstract description 20
- 238000006396 nitration reaction Methods 0.000 claims description 34
- 230000008021 deposition Effects 0.000 claims description 21
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 17
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 17
- 230000005055 memory storage Effects 0.000 claims description 12
- 230000004888 barrier function Effects 0.000 claims description 11
- 239000010936 titanium Substances 0.000 claims description 11
- 229910021332 silicide Inorganic materials 0.000 claims description 8
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 claims description 8
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 8
- 229910052721 tungsten Inorganic materials 0.000 claims description 8
- 239000010937 tungsten Substances 0.000 claims description 8
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 6
- 238000003384 imaging method Methods 0.000 claims description 6
- 229910052719 titanium Inorganic materials 0.000 claims description 6
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 claims description 5
- MZLGASXMSKOWSE-UHFFFAOYSA-N tantalum nitride Chemical compound [Ta]#N MZLGASXMSKOWSE-UHFFFAOYSA-N 0.000 claims description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 4
- 238000005498 polishing Methods 0.000 claims description 4
- 229910052710 silicon Inorganic materials 0.000 claims description 4
- 239000010703 silicon Substances 0.000 claims description 4
- 230000000802 nitrating effect Effects 0.000 claims description 3
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 3
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 3
- 229910052715 tantalum Inorganic materials 0.000 claims description 3
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 claims description 3
- 229910004166 TaN Inorganic materials 0.000 claims 2
- 229910008484 TiSi Inorganic materials 0.000 claims 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims 2
- 230000008569 process Effects 0.000 abstract description 6
- 238000004070 electrodeposition Methods 0.000 abstract description 4
- 150000004767 nitrides Chemical class 0.000 abstract description 4
- 230000015572 biosynthetic process Effects 0.000 abstract description 3
- 239000003292 glue Substances 0.000 abstract 3
- 239000011248 coating agent Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 7
- 230000007704 transition Effects 0.000 description 6
- 238000003860 storage Methods 0.000 description 5
- XPDWGBQVDMORPB-UHFFFAOYSA-N Fluoroform Chemical compound FC(F)F XPDWGBQVDMORPB-UHFFFAOYSA-N 0.000 description 4
- 239000000428 dust Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- YUCFVHQCAFKDQG-UHFFFAOYSA-N fluoromethane Chemical compound F[CH] YUCFVHQCAFKDQG-UHFFFAOYSA-N 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 229910021417 amorphous silicon Inorganic materials 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- RWRIWBAIICGTTQ-UHFFFAOYSA-N difluoromethane Chemical compound FCF RWRIWBAIICGTTQ-UHFFFAOYSA-N 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000012782 phase change material Substances 0.000 description 2
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 229920005591 polysilicon Polymers 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- 229910000618 GeSbTe Inorganic materials 0.000 description 1
- YZCKVEUIGOORGS-IGMARMGPSA-N Protium Chemical compound [1H] YZCKVEUIGOORGS-IGMARMGPSA-N 0.000 description 1
- 241000720974 Protium Species 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000005383 fluoride glass Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 230000006386 memory function Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- TXEYQDLBPFQVAA-UHFFFAOYSA-N tetrafluoromethane Chemical compound FC(F)(F)F TXEYQDLBPFQVAA-UHFFFAOYSA-N 0.000 description 1
- FAQYAMRNWDIXMY-UHFFFAOYSA-N trichloroborane Chemical compound ClB(Cl)Cl FAQYAMRNWDIXMY-UHFFFAOYSA-N 0.000 description 1
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Abstract
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CN 201010217837 CN102299106B (zh) | 2010-06-25 | 2010-06-25 | 相变存储器存储单元的制作方法 |
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CN 201010217837 CN102299106B (zh) | 2010-06-25 | 2010-06-25 | 相变存储器存储单元的制作方法 |
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CN102299106A true CN102299106A (zh) | 2011-12-28 |
CN102299106B CN102299106B (zh) | 2013-09-18 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105098066A (zh) * | 2014-05-15 | 2015-11-25 | 中芯国际集成电路制造(上海)有限公司 | 一种相变存储器及其制造方法和电子装置 |
CN105470386A (zh) * | 2014-09-05 | 2016-04-06 | 中芯国际集成电路制造(上海)有限公司 | 一种相变存储器及其制造方法和电子装置 |
CN105720191A (zh) * | 2014-12-02 | 2016-06-29 | 中芯国际集成电路制造(上海)有限公司 | 相变存储器及其形成方法 |
CN110581218A (zh) * | 2019-08-09 | 2019-12-17 | 上海集成电路研发中心有限公司 | 一种相变存储单元及其制备方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20070013028A1 (en) * | 2005-07-14 | 2007-01-18 | Nec Electronics Corporation | Semiconductor device and method of manufacturing the same |
CN101447551A (zh) * | 2008-09-05 | 2009-06-03 | 北京工业大学 | 一种相变存储器单元的结构及其实现方法 |
-
2010
- 2010-06-25 CN CN 201010217837 patent/CN102299106B/zh active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20070013028A1 (en) * | 2005-07-14 | 2007-01-18 | Nec Electronics Corporation | Semiconductor device and method of manufacturing the same |
CN101447551A (zh) * | 2008-09-05 | 2009-06-03 | 北京工业大学 | 一种相变存储器单元的结构及其实现方法 |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105098066A (zh) * | 2014-05-15 | 2015-11-25 | 中芯国际集成电路制造(上海)有限公司 | 一种相变存储器及其制造方法和电子装置 |
CN105098066B (zh) * | 2014-05-15 | 2017-05-10 | 中芯国际集成电路制造(上海)有限公司 | 一种相变存储器及其制造方法和电子装置 |
CN105470386A (zh) * | 2014-09-05 | 2016-04-06 | 中芯国际集成电路制造(上海)有限公司 | 一种相变存储器及其制造方法和电子装置 |
CN105720191A (zh) * | 2014-12-02 | 2016-06-29 | 中芯国际集成电路制造(上海)有限公司 | 相变存储器及其形成方法 |
CN105720191B (zh) * | 2014-12-02 | 2018-06-01 | 中芯国际集成电路制造(上海)有限公司 | 相变存储器及其形成方法 |
CN110581218A (zh) * | 2019-08-09 | 2019-12-17 | 上海集成电路研发中心有限公司 | 一种相变存储单元及其制备方法 |
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CN102299106B (zh) | 2013-09-18 |
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Effective date of registration: 20121119 Address after: 201203 Shanghai City, Pudong New Area Zhangjiang Road No. 18 Applicant after: Semiconductor Manufacturing International (Shanghai) Corporation Applicant after: Semiconductor Manufacturing International (Beijing) Corporation Address before: 201203 Shanghai City, Pudong New Area Zhangjiang Road No. 18 Applicant before: Semiconductor Manufacturing International (Shanghai) Corporation |
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