JP2001502115A - 信頼できる極薄酸窒化物形成のための新規なプロセス - Google Patents
信頼できる極薄酸窒化物形成のための新規なプロセスInfo
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- JP2001502115A JP2001502115A JP10512614A JP51261498A JP2001502115A JP 2001502115 A JP2001502115 A JP 2001502115A JP 10512614 A JP10512614 A JP 10512614A JP 51261498 A JP51261498 A JP 51261498A JP 2001502115 A JP2001502115 A JP 2001502115A
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- 238000000034 method Methods 0.000 title claims abstract description 80
- 230000008569 process Effects 0.000 title claims abstract description 57
- 230000015572 biosynthetic process Effects 0.000 title description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 167
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 86
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 claims abstract description 51
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 42
- 239000010703 silicon Substances 0.000 claims abstract description 40
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 39
- 238000000137 annealing Methods 0.000 claims abstract description 36
- 239000000758 substrate Substances 0.000 claims abstract description 34
- 239000007789 gas Substances 0.000 claims abstract description 24
- 230000001590 oxidative effect Effects 0.000 claims abstract description 21
- 238000009792 diffusion process Methods 0.000 claims abstract description 19
- 239000002019 doping agent Substances 0.000 claims abstract description 9
- 238000004519 manufacturing process Methods 0.000 claims abstract description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 14
- 229910052760 oxygen Inorganic materials 0.000 claims description 14
- 239000001301 oxygen Substances 0.000 claims description 13
- 125000004429 atom Chemical group 0.000 claims description 10
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 10
- 229920005591 polysilicon Polymers 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 6
- 239000004065 semiconductor Substances 0.000 claims description 6
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 3
- 238000000151 deposition Methods 0.000 claims description 2
- 125000004433 nitrogen atom Chemical group N* 0.000 claims 6
- 229910001873 dinitrogen Inorganic materials 0.000 claims 1
- 229920001296 polysiloxane Polymers 0.000 claims 1
- 239000012535 impurity Substances 0.000 abstract description 6
- 238000010893 electron trap Methods 0.000 abstract description 3
- 230000007935 neutral effect Effects 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 68
- 229910052796 boron Inorganic materials 0.000 description 21
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 19
- 238000001004 secondary ion mass spectrometry Methods 0.000 description 12
- 229910052739 hydrogen Inorganic materials 0.000 description 10
- 230000004888 barrier function Effects 0.000 description 9
- 230000015556 catabolic process Effects 0.000 description 9
- 239000001257 hydrogen Substances 0.000 description 9
- 238000007254 oxidation reaction Methods 0.000 description 9
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 8
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 8
- 229910008065 Si-SiO Inorganic materials 0.000 description 7
- 229910006405 Si—SiO Inorganic materials 0.000 description 7
- 230000003647 oxidation Effects 0.000 description 7
- 238000012545 processing Methods 0.000 description 7
- 241000894007 species Species 0.000 description 7
- 230000035515 penetration Effects 0.000 description 5
- 235000012431 wafers Nutrition 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000010405 reoxidation reaction Methods 0.000 description 4
- 229910004298 SiO 2 Inorganic materials 0.000 description 3
- 229910021529 ammonia Inorganic materials 0.000 description 3
- 239000003989 dielectric material Substances 0.000 description 3
- 238000010494 dissociation reaction Methods 0.000 description 3
- 208000018459 dissociative disease Diseases 0.000 description 3
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- 230000002349 favourable effect Effects 0.000 description 3
- 238000010348 incorporation Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 229910052785 arsenic Inorganic materials 0.000 description 2
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 2
- -1 boron ions Chemical class 0.000 description 2
- 239000002800 charge carrier Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000005468 ion implantation Methods 0.000 description 2
- 238000005121 nitriding Methods 0.000 description 2
- 239000007800 oxidant agent Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 238000004151 rapid thermal annealing Methods 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 241000720945 Hosta Species 0.000 description 1
- 229910008051 Si-OH Inorganic materials 0.000 description 1
- 229910006358 Si—OH Inorganic materials 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000000368 destabilizing effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000003574 free electron Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000010884 ion-beam technique Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 238000007669 thermal treatment Methods 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—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
- 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
- H01L21/28—Manufacture of electrodes on semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/268
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—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
- 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
- H01L21/28—Manufacture of electrodes on semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/268
- H01L21/28008—Making conductor-insulator-semiconductor electrodes
- H01L21/28017—Making conductor-insulator-semiconductor electrodes the insulator being formed after the semiconductor body, the semiconductor being silicon
- H01L21/28158—Making the insulator
- H01L21/28167—Making the insulator on single crystalline silicon, e.g. using a liquid, i.e. chemical oxidation
- H01L21/28185—Making the insulator on single crystalline silicon, e.g. using a liquid, i.e. chemical oxidation with a treatment, e.g. annealing, after the formation of the gate insulator and before the formation of the definitive gate conductor
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—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
- 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
- H01L21/28—Manufacture of electrodes on semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/268
- H01L21/28008—Making conductor-insulator-semiconductor electrodes
- H01L21/28017—Making conductor-insulator-semiconductor electrodes the insulator being formed after the semiconductor body, the semiconductor being silicon
- H01L21/28158—Making the insulator
- H01L21/28167—Making the insulator on single crystalline silicon, e.g. using a liquid, i.e. chemical oxidation
- H01L21/28202—Making the insulator on single crystalline silicon, e.g. using a liquid, i.e. chemical oxidation in a nitrogen-containing ambient, e.g. nitride deposition, growth, oxynitridation, NH3 nitridation, N2O oxidation, thermal nitridation, RTN, plasma nitridation, RPN
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/43—Electrodes ; Multistep manufacturing processes therefor characterised by the materials of which they are formed
- H01L29/49—Metal-insulator-semiconductor electrodes, e.g. gates of MOSFET
- H01L29/51—Insulating materials associated therewith
- H01L29/511—Insulating materials associated therewith with a compositional variation, e.g. multilayer structures
- H01L29/513—Insulating materials associated therewith with a compositional variation, e.g. multilayer structures the variation being perpendicular to the channel plane
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/43—Electrodes ; Multistep manufacturing processes therefor characterised by the materials of which they are formed
- H01L29/49—Metal-insulator-semiconductor electrodes, e.g. gates of MOSFET
- H01L29/51—Insulating materials associated therewith
- H01L29/518—Insulating materials associated therewith the insulating material containing nitrogen, e.g. nitride, oxynitride, nitrogen-doped material
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- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Formation Of Insulating Films (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
- Semiconductor Memories (AREA)
- Non-Volatile Memory (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.シリコン基板のきれいな表面上に薄い誘電体層を作成するための、集積回路 製造プロセスであって、 アニール室内に前記シリコン基板を設置するステップと、 前記アニール室内に第1の気圧の酸化窒素ガスを供給するステップと、 前記基板を第1の時間期間の間、第1の高温でアニールするステップと、 前記アニール室から前記酸化窒素ガスを取除くステップと、 前記アニール室内に第2の気圧の酸化用ガスを供給するステップと、 前記基板を第2の時間期間の間、第2の高温でアニールするステップとを含み 、 前記ステップは前記シリコン基板の前記きれいな表面上に酸窒化物の誘電体層 を提供し、前記誘電体層は前記シリコン基板との界面を有しかつ前記界面に対向 する表面を有し、前記誘電体層は前記界面近傍に窒素濃度の第1のピークを含み かつ前記表面近傍に窒素濃度の第2のピークを含んで、接触表面から前記誘電体 層を通じるドーパントの拡散を阻止する、プロセス。 2.前記第1の酸化窒素の気圧と、前記第2の酸化用ガスの気圧と、前記第1お よび第2のアニールの温度および時間とを調整して、少なくとも1018窒素atom s/ccの前記第1の窒素濃度ピークを提供し、かつ、少なくとも1018窒素atoms/ ccの前記第2の窒素濃度ピークを提供するステップをさらに含む、請求項1に記 載のプロセス。 3.前記第1および第2のアニールするステップは、高速熱アニールを含む、請 求項1に記載のプロセス。 4.前記酸化用ガスは、酸化窒素、酸素、蒸気、および、酸化窒素と酸素と蒸気 との混合物からなるグループから選択される、請求項1に記載のプロセス。 5.前記酸化用ガスは、酸化窒素である、請求項4に記載のプロセス。 6.前記第1の気圧は10ミリトルから1気圧の間の範囲内であり、前記第1の 高温は摂氏800度から1150度の間の範囲内であり、前記第1の時間期間は 10秒から3000秒の間の範囲内であり、前記第2の気圧は10ミリトルから 1気圧の間の範囲内であり、前記第2の高温は摂氏800度から1150度の間 の範囲内であり、前記第2の時間期間は10秒から3000秒の間の範囲内であ る、請求項5に記載のプロセス。 7.前記第1および第2のアニールのステップは、炉アニールを含む、請求項2 に記載のプロセス。 8.前記第2のアニールのステップに続いて、前記アニール室から前記酸化用ガ スを取除くステップと、 前記アニール室内に第3の気圧の酸化窒素ガスを供給するステップと、 前記基板を第3の時間期間の間、第3の高温でアニールするステップとをさら に含む、請求項1に記載のプロセス。 9.前記第1の酸化窒素の気圧と、前記第2の酸化用ガスの気圧と、前記第1お よび第2のアニールの温度および時間とを調整して、前記第1の窒素濃度ピーク を少なくとも1018窒素atoms/ccで提供しかつ前記第2の窒素濃度ピークを少な くとも1018窒素atoms/ccで提供するステップをさらに含む、請求項8に記載の プロセス。 10.前記第1、第2、および第3のアニールのステップは、高速熱アニールを 含む、請求項8に記載のプロセス。 11.前記酸化用ガスは、酸化窒素、酸素、蒸気、および、酸化窒素と酸素と蒸 気との混合物からなるグループから選択される、請求項8に記載のプロセス。 12.前記酸化用ガスは酸化窒素である、請求項11に記載のプロセス。 13.前記第1の気圧は10ミリトルから1気圧の間の範囲内であり、前記第1 の高温は摂氏800度から1150度の間の範囲内であり、前記第1の時間期間 は10秒から3000秒の間の範囲内であり、前記第2の気圧は10ミリトルか ら1気圧の間の範囲内であり、前記第2の高温は摂氏800度から1150度の 間の範囲内であり、前記第2の時間期間は10秒から3000秒の間の範囲内で ある、請求項12に記載のプロセス。 14.前記第1および第2のアニールのステップは、炉アニールを含む、請求項 9に記載のプロセス。 15.少なくとも1つの集積回路装置を中に有するシリコン半導体ウェハであっ て、前記装置はシリコン基板上に薄い誘電体層を有し、前記誘電体層は、 アニール室内に露出したきれいなシリコン表面を有する前記シリコン基板を設 置するステップと、 前記アニール室内に第1の気圧の酸化窒素ガスを供給するステップと、 前記基板を第1の時間期間の間、第1の高温でアニールするステップと、 前記アニール室から前記酸化窒素ガスを取除くステップと、 前記アニール室内に第2の気圧の酸化用ガスを供給するステップと、 前記基板を第2の時間期間の間、第2の高温でアニールして、前記基板上にシ リコン酸窒化物(SiOxNy)の誘電体層を提供するステップとを含む方法によ って作成され、前記SiOxNyの誘電体層は前記シリコン基板との界面を有しか つ前記界面に対向する表面を有し、前記SiOxNyの誘電体層は前記界面近傍に 窒素濃度の第1のピークを、前記表面近傍に窒素濃度の第2のピークを含む、ウ ェハ。 16.前記作成方法は、 前記第1の酸化窒素の気圧と、前記第2の酸化用ガスの気圧と、前記第1およ び第2のアニールの温度および時間とを調節して、前記第1の窒素濃度ピークを 少なくとも1018窒素atoms/ccで提供しかつ前記第2の窒素濃度ピークを少なく とも1018窒素atoms/ccで提供するステップをさらに含む、請求項15に記載の 集積回路。 17.前記酸化用ガスは、酸化窒素、酸素、蒸気、および、酸化窒素と酸素と蒸 気との混合物からなるグループから選択される、請求項15に記載の集積回路。 18.前記酸化用ガスは酸化窒素である、請求項17に記載の集積回路。 19.前記作成方法は、 前記第2のアニールのステップに続いて、前記アニール室から前記酸化用ガス を取除くステップと、 前記アニール室内に第3の気圧の酸化窒素ガスを供給するステップと、 前記基板を第3の時間期間の間、第3の高温でアニールするステップとをさら に含む、請求項15に記載の集積回路。 20.前記酸化用ガスは、酸化窒素、酸素、蒸気、および、酸化窒素と酸素と蒸 気との混合物からなるグループから選択される、請求項19に記載の集積回路。 21.前記酸化用ガスは酸化窒素である、請求項20に記載の集積回路。 22.シリコンウェハ内の集積回路装置であって、 前記シリコンウェハの一部分を含み、前記部分はある濃度のアクセプタまたは ドナー原子を中に有してn型またはp型の半導体特性を提供し、さらに、 前記シリコンウェハの前記部分と密接する界面および離れた表面を有する成長 されたシリコン酸窒化物層と、 導電性電極とを含み、前記導電性電極は前記シリコン酸窒化物層の前記離れた 表面部分と密接に接触し、 前記シリコン酸窒化物層は前記界面と前記離れた表面との双方に近接して窒素 濃度のピークを有し、かつ、前記ピーク間にバルクの窒素濃度を有し、前記シリ コン酸窒化物は前記シリコンウェハの前記部分と前記導電性電極との双方よりも 実質的に低い濃度のアクセプタまたはドナー原子を有し、前記シリコン酸窒化物 層はその中に1018atoms/ccより低い水素原子濃度を有し、前記シリコン酸窒化 物層における前記バルクの窒素濃度は1018atoms/ccより低く、前記界面に近接 する前記窒素ピーク濃度は1018よりも高く、前記離れた表面に近接する前記窒 素ピーク濃度は1018よりも高い、集積回路装置。 23.前記導電性電極ぱ濃くドープされたポリシリコンである、請求項22に記 載の集積回路装置。
Applications Claiming Priority (3)
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PCT/US1997/004986 WO1998010464A1 (en) | 1996-09-05 | 1997-03-25 | A novel process for reliable ultra-thin oxynitride formation |
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- 1997-03-25 DE DE69738821T patent/DE69738821D1/de not_active Expired - Lifetime
- 1997-03-25 JP JP51261498A patent/JP3976282B2/ja not_active Expired - Fee Related
- 1997-03-25 KR KR10-1999-7001901A patent/KR100437651B1/ko not_active IP Right Cessation
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2002353343A (ja) * | 2001-05-29 | 2002-12-06 | Nec Corp | 半導体装置およびその製造方法 |
JP4594554B2 (ja) * | 2001-05-29 | 2010-12-08 | ルネサスエレクトロニクス株式会社 | 半導体装置およびその製造方法 |
JP2009532915A (ja) * | 2006-04-03 | 2009-09-10 | アプライド マテリアルズ インコーポレイテッド | 複数のアニールステップを用いた酸窒化シリコンゲート誘電体の形成 |
JP2009049196A (ja) * | 2007-08-20 | 2009-03-05 | Fujitsu Microelectronics Ltd | 酸窒化処理装置及び方法、並びに半導体装置の製造方法 |
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KR100437651B1 (ko) | 2004-06-26 |
US5939763A (en) | 1999-08-17 |
WO1998010464A1 (en) | 1998-03-12 |
KR20000035980A (ko) | 2000-06-26 |
DE69738821D1 (de) | 2008-08-21 |
US6245689B1 (en) | 2001-06-12 |
JP3976282B2 (ja) | 2007-09-12 |
EP0928497A1 (en) | 1999-07-14 |
EP0928497B1 (en) | 2008-07-09 |
JP2007258729A (ja) | 2007-10-04 |
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