JP2006066896A - ナノクリスタルを有する不揮発性メモリ素子の製造方法 - Google Patents
ナノクリスタルを有する不揮発性メモリ素子の製造方法 Download PDFInfo
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- JP2006066896A JP2006066896A JP2005213254A JP2005213254A JP2006066896A JP 2006066896 A JP2006066896 A JP 2006066896A JP 2005213254 A JP2005213254 A JP 2005213254A JP 2005213254 A JP2005213254 A JP 2005213254A JP 2006066896 A JP2006066896 A JP 2006066896A
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- nanocrystal
- insulating film
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- 239000002159 nanocrystal Substances 0.000 title claims abstract description 117
- 238000000034 method Methods 0.000 title claims abstract description 96
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 33
- 230000015654 memory Effects 0.000 title claims abstract description 22
- 239000004065 semiconductor Substances 0.000 claims abstract description 73
- 239000000758 substrate Substances 0.000 claims abstract description 65
- 238000000231 atomic layer deposition Methods 0.000 claims description 75
- 239000000376 reactant Substances 0.000 claims description 71
- 239000007789 gas Substances 0.000 claims description 53
- 239000000126 substance Substances 0.000 claims description 30
- 238000001179 sorption measurement Methods 0.000 claims description 27
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 21
- IVHJCRXBQPGLOV-UHFFFAOYSA-N azanylidynetungsten Chemical compound [W]#N IVHJCRXBQPGLOV-UHFFFAOYSA-N 0.000 claims description 19
- 239000011261 inert gas Substances 0.000 claims description 19
- 239000010936 titanium Substances 0.000 claims description 19
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 16
- 229910052710 silicon Inorganic materials 0.000 claims description 16
- 239000010703 silicon Substances 0.000 claims description 16
- 229910052721 tungsten Inorganic materials 0.000 claims description 15
- 239000010937 tungsten Substances 0.000 claims description 15
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 14
- 239000010949 copper Substances 0.000 claims description 14
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 14
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 14
- 238000002347 injection Methods 0.000 claims description 13
- 239000007924 injection Substances 0.000 claims description 13
- 229910052796 boron Inorganic materials 0.000 claims description 12
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical group N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 10
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 10
- 239000006227 byproduct Substances 0.000 claims description 10
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 10
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 claims description 8
- 229910001928 zirconium oxide Inorganic materials 0.000 claims description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 7
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 7
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 7
- 229910052802 copper Inorganic materials 0.000 claims description 7
- 229910052750 molybdenum Inorganic materials 0.000 claims description 7
- 239000011733 molybdenum Substances 0.000 claims description 7
- 229910052759 nickel Inorganic materials 0.000 claims description 7
- VSZWPYCFIRKVQL-UHFFFAOYSA-N selanylidenegallium;selenium Chemical compound [Se].[Se]=[Ga].[Se]=[Ga] VSZWPYCFIRKVQL-UHFFFAOYSA-N 0.000 claims description 7
- 229910052715 tantalum Inorganic materials 0.000 claims description 7
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 claims description 7
- 229910052719 titanium Inorganic materials 0.000 claims description 7
- ILCYGSITMBHYNK-UHFFFAOYSA-N [Si]=O.[Hf] Chemical compound [Si]=O.[Hf] ILCYGSITMBHYNK-UHFFFAOYSA-N 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 229910001938 gadolinium oxide Inorganic materials 0.000 claims description 6
- 229940075613 gadolinium oxide Drugs 0.000 claims description 6
- CMIHHWBVHJVIGI-UHFFFAOYSA-N gadolinium(iii) oxide Chemical compound [O-2].[O-2].[O-2].[Gd+3].[Gd+3] CMIHHWBVHJVIGI-UHFFFAOYSA-N 0.000 claims description 6
- 229910052735 hafnium Inorganic materials 0.000 claims description 6
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 claims description 6
- 229910000449 hafnium oxide Inorganic materials 0.000 claims description 6
- WIHZLLGSGQNAGK-UHFFFAOYSA-N hafnium(4+);oxygen(2-) Chemical compound [O-2].[O-2].[Hf+4] WIHZLLGSGQNAGK-UHFFFAOYSA-N 0.000 claims description 6
- 150000004767 nitrides Chemical class 0.000 claims description 6
- 229910052727 yttrium Inorganic materials 0.000 claims description 6
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 claims description 6
- 229910021591 Copper(I) chloride Inorganic materials 0.000 claims description 5
- OXBLHERUFWYNTN-UHFFFAOYSA-M copper(I) chloride Chemical compound [Cu]Cl OXBLHERUFWYNTN-UHFFFAOYSA-M 0.000 claims description 5
- BMGNSKKZFQMGDH-FDGPNNRMSA-L nickel(2+);(z)-4-oxopent-2-en-2-olate Chemical compound [Ni+2].C\C([O-])=C\C(C)=O.C\C([O-])=C\C(C)=O BMGNSKKZFQMGDH-FDGPNNRMSA-L 0.000 claims description 5
- 229910052582 BN Inorganic materials 0.000 claims description 4
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 4
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 claims description 4
- -1 MoCl 5 Chemical compound 0.000 claims description 4
- 150000001875 compounds Chemical class 0.000 claims description 4
- 229910003902 SiCl 4 Inorganic materials 0.000 claims description 3
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 229910052726 zirconium Inorganic materials 0.000 claims description 3
- 229910006501 ZrSiO Inorganic materials 0.000 claims 2
- 238000001704 evaporation Methods 0.000 abstract 1
- 238000007667 floating Methods 0.000 description 11
- 239000004054 semiconductor nanocrystal Substances 0.000 description 10
- 229910052751 metal Inorganic materials 0.000 description 9
- 239000002184 metal Substances 0.000 description 9
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 8
- 238000005229 chemical vapour deposition Methods 0.000 description 8
- 230000007547 defect Effects 0.000 description 7
- 238000002474 experimental method Methods 0.000 description 6
- 229910052732 germanium Inorganic materials 0.000 description 5
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 5
- 238000003860 storage Methods 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 229910052786 argon Inorganic materials 0.000 description 4
- 238000000151 deposition Methods 0.000 description 3
- 230000014759 maintenance of location Effects 0.000 description 3
- 229920002120 photoresistant polymer Polymers 0.000 description 3
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 3
- 230000008021 deposition Effects 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000000059 patterning Methods 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- FAUIDPFKEVQLLR-UHFFFAOYSA-N [O-2].[Zr+4].[Si+4].[O-2].[O-2].[O-2] Chemical compound [O-2].[Zr+4].[Si+4].[O-2].[O-2].[O-2] FAUIDPFKEVQLLR-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 150000002366 halogen compounds Chemical class 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000002784 hot electron Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000005055 memory storage Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 229920005591 polysilicon Polymers 0.000 description 1
- 230000027756 respiratory electron transport chain Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
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- H01L21/0228—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process deposition from the gas or vapour phase deposition by decomposition or reaction of gaseous or vapour phase compounds, i.e. chemical vapour deposition deposition by cyclic CVD, e.g. ALD, ALE, pulsed CVD
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Abstract
【解決手段】半導体基板を準備する段階と、前記半導体基板上にトンネル絶縁膜を形成する段階とを具備する。続いて、前記トンネル絶縁膜を有する半導体基板を原子層蒸着装置内に入れて、原子層蒸着工程サイクルを進行して前記トンネル絶縁膜上にナノクリスタルを形成する。前記ナノクリスタルの大きさを確認しながら、前記原子層蒸着工程サイクルを複数回繰り返して要求する大きさの前記ナノクリスタルを形成する。前記ナノクリスタルを有する半導体基板上に制御ゲート絶縁膜を形成して、前記制御ゲート絶縁膜を有する半導体基板上に制御ゲート電極を形成する。
【選択図】 図1
Description
前記原子層蒸着工程サイクル30は、前記原子層蒸着装置の内部に還元気体を注入する段階を含むことができる(図1の段階19)。前記還元気体は、B2H6、SiH4、Si2H6、及びSiH2Cl6からなる一群から選択された一つの気体とすることができる。また、前記還元気体は、B2H6、SiH4、Si2H6、及びSiH2Cl6からなる一群から選択された少なくとも二つの気体とすることもできる。これに加えて、前記還元気体として、B2H6、SiH4、Si2H6、及びSiH2Cl6からなる一群から選択された少なくとも二つの気体を順次に供給することもできる。そして、本発明の一実施例で、前記還元気体は前記B2H6である。原子層蒸着装置の内部に供給された前記還元気体は、前記トンネル絶縁膜55の上部面に吸着されて還元気体の化学吸着点61を形成する。続いて、前記原子層蒸着装置内に残った未吸着還元気体を除去する(図1の段階20)。前記未吸着還元気体の除去は、前記原子層蒸着装置を排気する方法、前記原子層蒸着装置の内部に不活性気体を注入する方法、前記排気及び前記不活性気体注入を並行する方法、または前記排気及び前記不活性気体注入を順次に少なくとも一回実施する方法で行うことができる。前記不活性気体は、アルゴン(Ar)または窒素(N2)とすることができる、しかしながら、前記還元気体を供給する段階は略することもできる。
本発明の実施例により、窒化タングステン(WN)ナノクリスタルを形成したところ、次の[表1]に記載されたような実験結果を得ることができた。
51 半導体基板
55 トンネル絶縁膜
61 還元気体化学吸着点
63 第1反応物化学吸着点
70 ナノクリスタル
73 制御ゲート絶縁膜
75 制御ゲート電極
Claims (24)
- 半導体基板を準備する段階と、
前記半導体基板上にトンネル絶縁膜を形成する段階と、
前記トンネル絶縁膜を有する半導体基板を原子層蒸着装置内に入れる段階と、
原子層蒸着工程サイクルを複数回実行して前記トンネル絶縁膜上にナノクリスタルを形成する段階と、
前記ナノクリスタルを有する半導体基板を原子層蒸着装置から取り出す段階と、
前記ナノクリスタルを有する半導体基板上に制御ゲート絶縁膜を形成する段階と、
前記制御ゲート絶縁膜を有する半導体基板上に制御ゲート電極を形成する段階とを含む不揮発性メモリ素子の製造方法。 - 前記トンネル絶縁膜は、シリコン酸化膜、シリコン窒化膜、シリコン酸窒化膜、ハフ二ウム酸化膜(HfO)、ハフ二ウムシリコン酸化膜(HfSiO)、ジルコ二ウム酸化膜(ZrO)、ジルコ二ウムシリコン酸化膜(ZrSiO)、及びガドリウム酸化膜(GdO)からなる一群から選択された一つの膜で形成することを特徴とする請求項1に記載の不揮発性メモリ素子の製造方法。
- 前記トンネル絶縁膜は、シリコン酸化膜、シリコン窒化膜、シリコン酸窒化膜、ハフ二ウム酸化膜(HfO)、ハフ二ウムシリコン酸化膜(HfSiO)、ジルコ二ウム酸化膜(ZrO)、ジルコ二ウムシリコン酸化膜(ZrSiO)、及びガドリウム酸化膜(GdO)からなる一群から選択された少なくとも二つの積層膜、または混合物質で形成することを特徴とする請求項1に記載の不揮発性メモリ素子の製造方法。
- 前記原子層蒸着工程サイクルは、前記原子層蒸着装置内に第1反応物を注入して前記トンネル絶縁膜上に第1反応物の化学吸着点を形成する段階と、
前記原子層蒸着装置を排気する方法、前記原子層蒸着装置の内部に不活性気体を注入する方法、前記排気及び前記不活性気体注入を並行して行う方法、または前記排気及び前記不活性気体注入を順次に少なくとも一回実施する方法により、前記原子層蒸着装置内の反応副産物を除去する段階とを含む請求項1に記載の不揮発性メモリ素子の製造方法。 - 前記第1反応物は、WF6、TiCl4、TiI4、Ti(OEt)4、TaCl5、CuCl、MoCl5、及びNi(acac)2からなる一群から選択された一つであることを特徴とする請求項4に記載の不揮発性メモリ素子の製造方法。
- 前記第1反応物は、ジルコニウム(Zr)、ハフニウム(Hf)、イットリウム(Y)、及びアルミニウム(Al)の中から選択された一つの物質を含む化合物であることを特徴とする請求項4に記載の不揮発性メモリ素子の製造方法。
- 前記第1反応物は、SiCl4またはBCl3であることを特徴とする請求項4に記載の不揮発性メモリ素子の製造方法。
- 前記第1反応物を注入する前に、前記原子層蒸着装置の内部に還元気体を注入して前記トンネル絶縁膜の上部面に還元気体の化学吸着点を形成する段階をさらに含むことを特徴とする請求項4に記載の不揮発性メモリ素子の製造方法。
- 前記還元気体は、B2H6、SiH4、Si2H6、及びSiH2Cl6からなる一群から選択された少なくとも一つの気体であることを特徴とする請求項8に記載の不揮発性メモリ素子の製造方法。
- 前記還元気体として、B2H6、SiH4、Si2H6、及びSiH2Cl6からなる一群から選択された少なくとも二つの気体を順次に供給することを特徴とする請求項8に記載の不揮発性メモリ素子の製造方法。
- 前記反応副産物を取除いた後、前記原子層蒸着装置の内部に第2反応物を注入して前記第1反応物の化学吸着点と反応させる段階をさらに含むことを特徴とする請求項4に記載の不揮発性メモリ素子の製造方法。
- 前記第2反応物は、アンモニア気体(NH3)であることを特徴とする請求項11に記載の不揮発性メモリ素子の製造方法。
- 前記第2反応物は、H2O、H2O2、O2、またはO3であることを特徴とする請求項11に記載の不揮発性メモリ素子の製造方法。
- 前記ナノクリスタルは、タングステン(W)、チタン(Ti)、タンタリウム(Ta)、銅(Cu)、モリブデン(Mo)、及びニッケル(Ni)からなる一群から選択された一つであるか、またはこれらの窒化物の中のひとつであることを特徴とする請求項1に記載の不揮発性メモリ素子の製造方法。
- 前記ナノクリスタルは、ジルコニウム(Zr)、ハフニウム(Hf)、イットリウム(Y)、及びアルミニウム(Al)の中から選択された一つの酸化物ナノクリスタルであることを特徴とする請求項1に記載の不揮発性メモリ素子の製造方法。
- 前記ナノクリスタルは、シリコンナノクリスタル、窒化シリコンナノクリスタル、ボロンナノクリスタル、または窒化ボロンナノクリスタルであることを特徴とする請求項1に記載の不揮発性メモリ素子の製造方法。
- 半導体基板を準備する段階と、
前記半導体基板上にトンネル絶縁膜を形成する段階と、
前記トンネル絶縁膜を有する半導体基板を原子層蒸着装置内に入れる段階と、
前記原子層蒸着装置の内部に還元気体を注入して前記トンネル絶縁膜の上部面に還元気体の化学吸着点を形成する段階と、
前記原子層蒸着装置内に第1反応物を注入して前記トンネル絶縁膜上に第1反応物の化学吸着点を形成する段階と、
前記還元気体の化学吸着点を形成する段階及び前記第1反応物の化学吸着点を形成する段階を複数回繰り返して必要とする大きさのナノクリスタルを形成する段階と、
前記ナノクリスタルを有する半導体基板を原子層蒸着装置から取り出す段階と、
前記ナノクリスタルを有する半導体基板上に制御ゲート絶縁膜を形成する段階と、
前記制御ゲート絶縁膜を有する半導体基板上に制御ゲート電極を形成する段階とを含むことを特徴とする不揮発性メモリ素子の製造方法。 - 前記還元気体は、B2H6、SiH4、Si2H6、及びSiH2Cl6からなる一群から選択された少なくとも一つの気体であることを特徴とする請求項17に記載の不揮発性メモリ素子の製造方法。
- 前記第1反応物は、WF6、TiCl4、TiI4、Ti(OEt)4、TaCl5、CuCl、MoCl5、及びNi(acac)2からなる一群から選択された一つであることを特徴とする請求項17に記載の不揮発性メモリ素子の製造方法。
- 前記ナノクリスタルは、タングステン(W)、チタン(Ti)、タンタリウム(Ta)、銅(Cu)、モリブデン(Mo)、及びニッケル(Ni)からなる一群から選択された一つであることを特徴とする請求項17に記載の不揮発性メモリ素子の製造方法。
- 前記第1反応物の化学吸着点を形成した後、前記原子層蒸着装置の内部に第2反応物を注入して前記第1反応物の化学吸着点と反応させる段階をさらに含むことを特徴とする請求項17に記載の不揮発性メモリ素子の製造方法。
- 前記第2反応物は、アンモニア気体(NH3)であることを特徴とする請求項21に記載の不揮発性メモリ素子の製造方法。
- 前記ナノクリスタルは、タングステン(W)、チタン(Ti)、タンタリウム(Ta)、銅(Cu)、モリブデン(Mo)、及びニッケル(Ni)からなる一群から選択された一つの窒化物であることを特徴とする請求項22に記載の不揮発性メモリ素子の製造方法。
- 半導体基板を準備する段階と、
前記半導体基板上にトンネル絶縁膜を形成する段階と、
前記トンネル絶縁膜を有する半導体基板を原子層蒸着装置内に入れる段階と、
前記原子層蒸着装置の内部でB2H6を注入して前記トンネル絶縁膜の上部面にB2H6の化学吸着点を形成する段階と、
前記原子層蒸着装置内にWF6を注入して前記B2H6の化学吸着点と反応させて前記トンネル絶縁膜上にタングステン(W)の化学吸着点を形成する段階と、
前記原子層蒸着装置の内部にアンモニア気体(NH3)を注入して前記タングステン(W)の化学吸着点と反応させて窒化タングステン(WN)ナノクリスタルを形成する段階と、
前記B2H6の化学吸着点を形成する段階ないし前記窒化タングステン(WN)ナノクリスタルを形成する段階を複数回繰り返して必要とする大きさの窒化タングステン(WN)ナノクリスタルを形成する段階と、
前記窒化タングステン(WN)ナノクリスタルを有する半導体基板を原子層蒸着装置から取り出す段階と、
前記窒化タングステン(WN)ナノクリスタルを有する半導体基板上に制御ゲート絶縁膜を形成する段階と、
前記制御ゲート絶縁膜を有する半導体基板上に制御ゲート電極を形成する段階とを含むことを特徴とする不揮発性メモリ素子の製造方法。
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008069325A1 (ja) * | 2006-12-07 | 2008-06-12 | Nec Corporation | 半導体記憶装置および半導体装置 |
JP2009147299A (ja) * | 2007-10-03 | 2009-07-02 | Applied Materials Inc | Si及び金属ナノ結晶核形成のためのプラズマ表面処理 |
JP2010518644A (ja) * | 2007-02-14 | 2010-05-27 | 本田技研工業株式会社 | 原子層堆積法によりサイズ制御され空間的に分散されるナノ構造の製造方法 |
JP2013191666A (ja) * | 2012-03-13 | 2013-09-26 | Renesas Electronics Corp | 半導体装置およびその製造方法 |
Families Citing this family (48)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9139906B2 (en) * | 2001-03-06 | 2015-09-22 | Asm America, Inc. | Doping with ALD technology |
US7491634B2 (en) | 2006-04-28 | 2009-02-17 | Asm International N.V. | Methods for forming roughened surfaces and applications thereof |
US20060166435A1 (en) * | 2005-01-21 | 2006-07-27 | Teo Lee W | Synthesis of GE nanocrystal memory cell and using a block layer to control oxidation kinetics |
US20090039417A1 (en) * | 2005-02-17 | 2009-02-12 | National University Of Singapore | Nonvolatile Flash Memory Device and Method for Producing Dielectric Oxide Nanodots on Silicon Dioxide |
US20060189079A1 (en) * | 2005-02-24 | 2006-08-24 | Merchant Tushar P | Method of forming nanoclusters |
KR20060095819A (ko) * | 2005-02-28 | 2006-09-04 | 삼성전자주식회사 | 금속 질화물을 트랩 사이트로 이용한 메모리 소자를 그 제조 방법 |
US7687409B2 (en) | 2005-03-29 | 2010-03-30 | Micron Technology, Inc. | Atomic layer deposited titanium silicon oxide films |
US7662729B2 (en) | 2005-04-28 | 2010-02-16 | Micron Technology, Inc. | Atomic layer deposition of a ruthenium layer to a lanthanide oxide dielectric layer |
US7927948B2 (en) | 2005-07-20 | 2011-04-19 | Micron Technology, Inc. | Devices with nanocrystals and methods of formation |
JP2007043147A (ja) * | 2005-07-29 | 2007-02-15 | Samsung Electronics Co Ltd | 原子層蒸着工程を用いたシリコンリッチナノクリスタル構造物の形成方法及びこれを用いた不揮発性半導体装置の製造方法 |
KR100722776B1 (ko) * | 2005-07-29 | 2007-05-30 | 삼성전자주식회사 | 원자층 증착 공정을 이용한 실리콘 리치 나노-크리스탈구조물의 형성 방법 및 이를 이용한 불휘발성 반도체장치의 제조 방법 |
US7575978B2 (en) * | 2005-08-04 | 2009-08-18 | Micron Technology, Inc. | Method for making conductive nanoparticle charge storage element |
US20070085130A1 (en) * | 2005-10-19 | 2007-04-19 | Taiwan Semiconductor Manufacturing Company, Ltd. | Tungsten-containing nanocrystal, an array thereof, a memory comprising such an array, and methods of making and operating the foregoing |
KR101194839B1 (ko) * | 2006-02-28 | 2012-10-25 | 삼성전자주식회사 | 나노결정을 포함하는 메모리 소자 및 그 제조 방법 |
KR100740613B1 (ko) | 2006-07-03 | 2007-07-18 | 삼성전자주식회사 | 비휘발성 기억 소자의 형성 방법 |
KR100753020B1 (ko) * | 2006-08-30 | 2007-08-30 | 한국화학연구원 | 원자층 증착법을 이용한 비휘발성 부유 게이트 메모리소자를 위한 나노적층체의 제조방법 |
US7517747B2 (en) * | 2006-09-08 | 2009-04-14 | Freescale Semiconductor, Inc. | Nanocrystal non-volatile memory cell and method therefor |
US20080121967A1 (en) * | 2006-09-08 | 2008-05-29 | Ramachandran Muralidhar | Nanocrystal non-volatile memory cell and method therefor |
KR100851553B1 (ko) * | 2006-10-02 | 2008-08-11 | 삼성전자주식회사 | 반도체 소자 및 그 구동방법 |
KR20080031594A (ko) * | 2006-10-04 | 2008-04-10 | 삼성전자주식회사 | 전하 트랩형 메모리 소자 |
KR101427142B1 (ko) * | 2006-10-05 | 2014-08-07 | 에이에스엠 아메리카, 인코포레이티드 | 금속 규산염 막의 원자층 증착 |
US7687349B2 (en) * | 2006-10-30 | 2010-03-30 | Atmel Corporation | Growth of silicon nanodots having a metallic coating using gaseous precursors |
KR100836426B1 (ko) * | 2006-11-24 | 2008-06-09 | 삼성에스디아이 주식회사 | 비휘발성 메모리 소자 및 그 제조방법과 이를 포함한메모리 장치 |
US7763511B2 (en) * | 2006-12-29 | 2010-07-27 | Intel Corporation | Dielectric barrier for nanocrystals |
KR101033221B1 (ko) | 2006-12-29 | 2011-05-06 | 주식회사 하이닉스반도체 | 전하트랩층을 갖는 불휘발성 메모리소자 및 그 제조방법 |
KR101341571B1 (ko) * | 2007-04-30 | 2013-12-16 | 삼성전자주식회사 | 비휘발성 메모리 소자 및 그 제조방법 |
US7973286B2 (en) * | 2007-06-04 | 2011-07-05 | The Regents Of The University Of Michigan | Detector having a thin film of boron nitride (BN) such as cubic BN and method, systems and array utilizing same |
ITMI20071140A1 (it) * | 2007-06-04 | 2008-12-05 | St Microelectronics Srl | Processo per la realizzazione di un dispositivo di memoria integrato su un substrato semiconduttore e comprendente celle di memoria a nanocristalli e transistori cmos. |
US8367506B2 (en) | 2007-06-04 | 2013-02-05 | Micron Technology, Inc. | High-k dielectrics with gold nano-particles |
US20090246510A1 (en) * | 2008-03-25 | 2009-10-01 | Commissariat A L'energie Atomique | Metallic nanocrystal patterning |
US20090243048A1 (en) * | 2008-03-25 | 2009-10-01 | Joel Dufourcq | Metallic nanocrystal encapsulation |
US8545936B2 (en) | 2008-03-28 | 2013-10-01 | Asm International N.V. | Methods for forming carbon nanotubes |
US9978185B1 (en) | 2008-04-15 | 2018-05-22 | Stamps.Com Inc. | Systems and methods for activation of postage indicia at point of sale |
KR101172457B1 (ko) | 2008-04-28 | 2012-08-09 | 타이완 세미콘덕터 매뉴팩쳐링 컴퍼니 리미티드 | 유전층을 포함하는 나노클러스터를 형성하는 방법 및 그러한 층을 포함하는 장치 |
JP5665289B2 (ja) | 2008-10-29 | 2015-02-04 | 株式会社日立国際電気 | 半導体装置の製造方法、基板処理方法および基板処理装置 |
TWI401806B (zh) * | 2008-12-02 | 2013-07-11 | Chung Shan Inst Of Science | 半導體元件及其製造方法 |
US7871886B2 (en) * | 2008-12-19 | 2011-01-18 | Freescale Semiconductor, Inc. | Nanocrystal memory with differential energy bands and method of formation |
US7799634B2 (en) * | 2008-12-19 | 2010-09-21 | Freescale Semiconductor, Inc. | Method of forming nanocrystals |
FR2974941B1 (fr) * | 2011-05-06 | 2013-06-14 | Commissariat Energie Atomique | Procede de realisation de nanocristaux de |
AT512636B1 (de) * | 2012-05-29 | 2013-10-15 | Alberta Mag Dr Bonanni | Verfahren zum Einbetten magnetischer Nanokristalle in einen Halbleiter |
KR102107109B1 (ko) * | 2013-10-17 | 2020-05-29 | 삼성디스플레이 주식회사 | 유기 발광 장치 및 이의 제조 방법 |
US10163932B1 (en) | 2015-07-24 | 2018-12-25 | Nutech Ventures | Memory device based on heterostructures of ferroelectric and two-dimensional materials |
US10573522B2 (en) | 2016-08-16 | 2020-02-25 | Lam Research Corporation | Method for preventing line bending during metal fill process |
CN106920755A (zh) * | 2017-02-14 | 2017-07-04 | 复旦大学 | 一种高密度镍纳米颗粒的制备方法及其应用 |
JP2021523292A (ja) | 2018-05-03 | 2021-09-02 | ラム リサーチ コーポレーションLam Research Corporation | 3d nand構造内にタングステンおよび他の金属を堆積させる方法 |
WO2020106649A1 (en) | 2018-11-19 | 2020-05-28 | Lam Research Corporation | Molybdenum templates for tungsten |
CN116970925A (zh) | 2019-01-28 | 2023-10-31 | 朗姆研究公司 | 金属膜的沉积 |
WO2020185618A1 (en) | 2019-03-11 | 2020-09-17 | Lam Research Corporation | Precursors for deposition of molybdenum-containing films |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11317464A (ja) * | 1998-03-02 | 1999-11-16 | Sony Corp | 電気的書き換えが可能なメモリ素子及びその製造方法 |
JP2000022005A (ja) * | 1998-06-26 | 2000-01-21 | Toshiba Corp | 半導体装置 |
JP2001015613A (ja) * | 1999-06-29 | 2001-01-19 | Sony Corp | 不揮発性半導体記憶装置およびその製造方法 |
JP2002009179A (ja) * | 2000-06-21 | 2002-01-11 | Sony Corp | 不揮発性半導体記憶装置およびその製造方法 |
JP2002222875A (ja) * | 2001-01-25 | 2002-08-09 | Sony Corp | 不揮発性半導体記憶素子及びその製造方法 |
JP2002222876A (ja) * | 2001-01-25 | 2002-08-09 | Sony Corp | 不揮発性半導体記憶素子及びその製造方法 |
WO2003031679A2 (en) * | 2001-10-10 | 2003-04-17 | Applied Materials, Inc. | Method for depositing metal layers employing sequential deposition techniques |
JP2004158810A (ja) * | 2002-09-10 | 2004-06-03 | Fujitsu Ltd | 不揮発性半導体メモリ |
Family Cites Families (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1065024A (ja) | 1996-08-13 | 1998-03-06 | Toshiba Corp | 不揮発性半導体記憶装置 |
KR100434553B1 (ko) | 1997-08-27 | 2004-09-18 | 삼성전자주식회사 | 단일전자트랜지스터및그제조방법 |
JP3727449B2 (ja) * | 1997-09-30 | 2005-12-14 | シャープ株式会社 | 半導体ナノ結晶の製造方法 |
JP2000340678A (ja) * | 1999-03-19 | 2000-12-08 | Toshiba Corp | 半導体装置の製造方法 |
JP3911658B2 (ja) | 1999-05-28 | 2007-05-09 | 富士通株式会社 | 半導体装置の製造方法 |
EP1221178A1 (en) * | 1999-10-15 | 2002-07-10 | ASM America, Inc. | Method for depositing nanolaminate thin films on sensitive surfaces |
EP1266054B1 (en) * | 2000-03-07 | 2006-12-20 | Asm International N.V. | Graded thin films |
US6320784B1 (en) * | 2000-03-14 | 2001-11-20 | Motorola, Inc. | Memory cell and method for programming thereof |
US6297095B1 (en) * | 2000-06-16 | 2001-10-02 | Motorola, Inc. | Memory device that includes passivated nanoclusters and method for manufacture |
US6344403B1 (en) * | 2000-06-16 | 2002-02-05 | Motorola, Inc. | Memory device and method for manufacture |
WO2002003472A2 (en) * | 2000-06-29 | 2002-01-10 | California Institute Of Technology | Aerosol silicon nanoparticles for use in semiconductor device fabrication |
US6400610B1 (en) * | 2000-07-05 | 2002-06-04 | Motorola, Inc. | Memory device including isolated storage elements that utilize hole conduction and method therefor |
EP2988331B1 (en) * | 2000-08-14 | 2019-01-09 | SanDisk Technologies LLC | Semiconductor memory device |
KR100386614B1 (ko) * | 2000-11-17 | 2003-06-02 | 주식회사 하이닉스반도체 | 실리콘 양자점의 형성방법 및 그를 이용한 비휘발성메모리 소자의 제조방법 |
KR100422396B1 (ko) * | 2001-06-29 | 2004-03-12 | 주식회사 하이닉스반도체 | 원자층 증착법을 이용한 반도체 소자의 박막 형성 방법 |
US6833161B2 (en) * | 2002-02-26 | 2004-12-21 | Applied Materials, Inc. | Cyclical deposition of tungsten nitride for metal oxide gate electrode |
US7005697B2 (en) * | 2002-06-21 | 2006-02-28 | Micron Technology, Inc. | Method of forming a non-volatile electron storage memory and the resulting device |
US6888739B2 (en) * | 2002-06-21 | 2005-05-03 | Micron Technology Inc. | Nanocrystal write once read only memory for archival storage |
US6808986B2 (en) * | 2002-08-30 | 2004-10-26 | Freescale Semiconductor, Inc. | Method of forming nanocrystals in a memory device |
US6713812B1 (en) * | 2002-10-09 | 2004-03-30 | Motorola, Inc. | Non-volatile memory device having an anti-punch through (APT) region |
US6930059B2 (en) * | 2003-02-27 | 2005-08-16 | Sharp Laboratories Of America, Inc. | Method for depositing a nanolaminate film by atomic layer deposition |
US6784103B1 (en) * | 2003-05-21 | 2004-08-31 | Freescale Semiconductor, Inc. | Method of formation of nanocrystals on a semiconductor structure |
KR100558003B1 (ko) * | 2003-09-26 | 2006-03-06 | 삼성전자주식회사 | 복수개의 유전체 나노클러스터들을 채택하는 비휘발성메모리 셀 및 그것을 제조하는 방법 |
-
2004
- 2004-08-24 KR KR1020040066930A patent/KR100615093B1/ko active IP Right Grant
- 2004-12-28 US US11/023,993 patent/US7148106B2/en active Active
-
2005
- 2005-07-22 JP JP2005213254A patent/JP4823594B2/ja active Active
-
2006
- 2006-11-20 US US11/561,644 patent/US7651904B2/en active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11317464A (ja) * | 1998-03-02 | 1999-11-16 | Sony Corp | 電気的書き換えが可能なメモリ素子及びその製造方法 |
JP2000022005A (ja) * | 1998-06-26 | 2000-01-21 | Toshiba Corp | 半導体装置 |
JP2001015613A (ja) * | 1999-06-29 | 2001-01-19 | Sony Corp | 不揮発性半導体記憶装置およびその製造方法 |
JP2002009179A (ja) * | 2000-06-21 | 2002-01-11 | Sony Corp | 不揮発性半導体記憶装置およびその製造方法 |
JP2002222875A (ja) * | 2001-01-25 | 2002-08-09 | Sony Corp | 不揮発性半導体記憶素子及びその製造方法 |
JP2002222876A (ja) * | 2001-01-25 | 2002-08-09 | Sony Corp | 不揮発性半導体記憶素子及びその製造方法 |
WO2003031679A2 (en) * | 2001-10-10 | 2003-04-17 | Applied Materials, Inc. | Method for depositing metal layers employing sequential deposition techniques |
JP2004158810A (ja) * | 2002-09-10 | 2004-06-03 | Fujitsu Ltd | 不揮発性半導体メモリ |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008069325A1 (ja) * | 2006-12-07 | 2008-06-12 | Nec Corporation | 半導体記憶装置および半導体装置 |
JPWO2008069325A1 (ja) * | 2006-12-07 | 2010-03-25 | 日本電気株式会社 | 半導体記憶装置および半導体装置 |
JP2010518644A (ja) * | 2007-02-14 | 2010-05-27 | 本田技研工業株式会社 | 原子層堆積法によりサイズ制御され空間的に分散されるナノ構造の製造方法 |
JP2009147299A (ja) * | 2007-10-03 | 2009-07-02 | Applied Materials Inc | Si及び金属ナノ結晶核形成のためのプラズマ表面処理 |
JP2013191666A (ja) * | 2012-03-13 | 2013-09-26 | Renesas Electronics Corp | 半導体装置およびその製造方法 |
US9105739B2 (en) | 2012-03-13 | 2015-08-11 | Renesas Electronics Corporation | Semiconductor device and manufacturing method thereof |
US9455264B2 (en) | 2012-03-13 | 2016-09-27 | Renesas Electronics Corporation | Semiconductor device and manufacturing method thereof |
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KR100615093B1 (ko) | 2006-08-22 |
US7651904B2 (en) | 2010-01-26 |
US7148106B2 (en) | 2006-12-12 |
US20060046384A1 (en) | 2006-03-02 |
JP4823594B2 (ja) | 2011-11-24 |
KR20060018532A (ko) | 2006-03-02 |
US20070077712A1 (en) | 2007-04-05 |
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