JP6563390B2 - F−ramの製造方法 - Google Patents
F−ramの製造方法 Download PDFInfo
- Publication number
- JP6563390B2 JP6563390B2 JP2016523760A JP2016523760A JP6563390B2 JP 6563390 B2 JP6563390 B2 JP 6563390B2 JP 2016523760 A JP2016523760 A JP 2016523760A JP 2016523760 A JP2016523760 A JP 2016523760A JP 6563390 B2 JP6563390 B2 JP 6563390B2
- Authority
- JP
- Japan
- Prior art keywords
- layer
- contact
- barrier
- ferroelectric capacitor
- dielectric layer
- 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.)
- Active
Links
- 238000004519 manufacturing process Methods 0.000 title description 24
- 238000000034 method Methods 0.000 claims description 93
- 239000003990 capacitor Substances 0.000 claims description 56
- 239000000463 material Substances 0.000 claims description 46
- 230000004888 barrier function Effects 0.000 claims description 43
- 230000008569 process Effects 0.000 claims description 35
- 238000005530 etching Methods 0.000 claims description 29
- 239000004065 semiconductor Substances 0.000 claims description 23
- 239000000758 substrate Substances 0.000 claims description 22
- 238000009792 diffusion process Methods 0.000 claims description 19
- 238000000151 deposition Methods 0.000 claims description 17
- 238000005538 encapsulation Methods 0.000 claims description 14
- 239000001257 hydrogen Substances 0.000 claims description 14
- 229910052739 hydrogen Inorganic materials 0.000 claims description 14
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 13
- 229910044991 metal oxide Inorganic materials 0.000 claims description 13
- 150000004706 metal oxides Chemical class 0.000 claims description 13
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 13
- 150000004767 nitrides Chemical class 0.000 claims description 9
- 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
- 230000009977 dual effect Effects 0.000 claims description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 4
- 239000001301 oxygen Substances 0.000 claims description 4
- 229910052760 oxygen Inorganic materials 0.000 claims description 4
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 3
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 3
- 238000000059 patterning Methods 0.000 claims description 3
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims 2
- 239000010410 layer Substances 0.000 description 237
- 210000004027 cell Anatomy 0.000 description 23
- 238000005229 chemical vapour deposition Methods 0.000 description 21
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 20
- 239000010936 titanium Substances 0.000 description 15
- 239000005360 phosphosilicate glass Substances 0.000 description 12
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 11
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 11
- 238000010586 diagram Methods 0.000 description 11
- 229910052451 lead zirconate titanate Inorganic materials 0.000 description 11
- 229910052751 metal Inorganic materials 0.000 description 11
- 239000002184 metal Substances 0.000 description 11
- 238000005240 physical vapour deposition Methods 0.000 description 11
- 229910052710 silicon Inorganic materials 0.000 description 11
- 239000010703 silicon Substances 0.000 description 11
- 238000000231 atomic layer deposition Methods 0.000 description 10
- 239000007789 gas Substances 0.000 description 9
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 8
- 238000004518 low pressure chemical vapour deposition Methods 0.000 description 8
- 235000012239 silicon dioxide Nutrition 0.000 description 8
- 239000003989 dielectric material Substances 0.000 description 7
- 238000004544 sputter deposition Methods 0.000 description 7
- 229910052719 titanium Inorganic materials 0.000 description 7
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 description 6
- 239000000956 alloy Substances 0.000 description 6
- 229910045601 alloy Inorganic materials 0.000 description 6
- 230000000295 complement effect Effects 0.000 description 6
- 238000013461 design Methods 0.000 description 6
- 238000001704 evaporation Methods 0.000 description 6
- 230000008020 evaporation Effects 0.000 description 6
- 238000001465 metallisation Methods 0.000 description 6
- 238000000206 photolithography Methods 0.000 description 6
- 239000003870 refractory metal Substances 0.000 description 6
- 239000000377 silicon dioxide Substances 0.000 description 6
- 229910052814 silicon oxide Inorganic materials 0.000 description 6
- 229910000577 Silicon-germanium Inorganic materials 0.000 description 5
- LEVVHYCKPQWKOP-UHFFFAOYSA-N [Si].[Ge] Chemical compound [Si].[Ge] LEVVHYCKPQWKOP-UHFFFAOYSA-N 0.000 description 5
- 150000001875 compounds Chemical class 0.000 description 5
- 239000013078 crystal Substances 0.000 description 5
- 238000007772 electroless plating Methods 0.000 description 5
- 229910052732 germanium Inorganic materials 0.000 description 5
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 5
- 229910052715 tantalum Inorganic materials 0.000 description 5
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 4
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 description 4
- 230000015654 memory Effects 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 230000010287 polarization Effects 0.000 description 4
- 239000002243 precursor Substances 0.000 description 4
- 229910004298 SiO 2 Inorganic materials 0.000 description 3
- UQZIWOQVLUASCR-UHFFFAOYSA-N alumane;titanium Chemical compound [AlH3].[Ti] UQZIWOQVLUASCR-UHFFFAOYSA-N 0.000 description 3
- 125000004429 atom Chemical group 0.000 description 3
- 239000000460 chlorine Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 230000008021 deposition Effects 0.000 description 3
- 230000005684 electric field Effects 0.000 description 3
- 229920002120 photoresistant polymer Polymers 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
- 229910052796 boron Inorganic materials 0.000 description 2
- 229910002091 carbon monoxide Inorganic materials 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- HTXDPTMKBJXEOW-UHFFFAOYSA-N dioxoiridium Chemical compound O=[Ir]=O HTXDPTMKBJXEOW-UHFFFAOYSA-N 0.000 description 2
- 239000002019 doping agent Substances 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 239000012212 insulator Substances 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
- QPJSUIGXIBEQAC-UHFFFAOYSA-N n-(2,4-dichloro-5-propan-2-yloxyphenyl)acetamide Chemical compound CC(C)OC1=CC(NC(C)=O)=C(Cl)C=C1Cl QPJSUIGXIBEQAC-UHFFFAOYSA-N 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 239000004341 Octafluorocyclobutane Substances 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 229910018503 SF6 Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000001312 dry etching Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910000457 iridium oxide Inorganic materials 0.000 description 1
- 238000012804 iterative process Methods 0.000 description 1
- HFGPZNIAWCZYJU-UHFFFAOYSA-N lead zirconate titanate Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Ti+4].[Zr+4].[Pb+2] HFGPZNIAWCZYJU-UHFFFAOYSA-N 0.000 description 1
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 1
- QKCGXXHCELUCKW-UHFFFAOYSA-N n-[4-[4-(dinaphthalen-2-ylamino)phenyl]phenyl]-n-naphthalen-2-ylnaphthalen-2-amine Chemical compound C1=CC=CC2=CC(N(C=3C=CC(=CC=3)C=3C=CC(=CC=3)N(C=3C=C4C=CC=CC4=CC=3)C=3C=C4C=CC=CC4=CC=3)C3=CC4=CC=CC=C4C=C3)=CC=C21 QKCGXXHCELUCKW-UHFFFAOYSA-N 0.000 description 1
- BCCOBQSFUDVTJQ-UHFFFAOYSA-N octafluorocyclobutane Chemical compound FC1(F)C(F)(F)C(F)(F)C1(F)F BCCOBQSFUDVTJQ-UHFFFAOYSA-N 0.000 description 1
- 235000019407 octafluorocyclobutane Nutrition 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 210000000352 storage cell Anatomy 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 description 1
- 229960000909 sulfur hexafluoride Drugs 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
- 230000003936 working memory Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L28/00—Passive two-terminal components without a potential-jump or surface barrier for integrated circuits; Details thereof; Multistep manufacturing processes therefor
- H01L28/40—Capacitors
- H01L28/55—Capacitors with a dielectric comprising a perovskite structure material
- H01L28/57—Capacitors with a dielectric comprising a perovskite structure material comprising a barrier layer to prevent diffusion of hydrogen or oxygen
-
- 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
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/768—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics
- H01L21/76801—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the dielectrics, e.g. smoothing
- H01L21/76802—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the dielectrics, e.g. smoothing by forming openings in dielectrics
- H01L21/76807—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the dielectrics, e.g. smoothing by forming openings in dielectrics for dual damascene structures
-
- 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
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/768—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics
- H01L21/76801—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the dielectrics, e.g. smoothing
- H01L21/76829—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the dielectrics, e.g. smoothing characterised by the formation of thin functional dielectric layers, e.g. dielectric etch-stop, barrier, capping or liner layers
- H01L21/76834—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the dielectrics, e.g. smoothing characterised by the formation of thin functional dielectric layers, e.g. dielectric etch-stop, barrier, capping or liner layers formation of thin insulating films on the sidewalls or on top of conductors
-
- 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
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/768—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics
- H01L21/76838—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the conductors
- H01L21/76841—Barrier, adhesion or liner layers
- H01L21/76843—Barrier, adhesion or liner layers formed in openings in a dielectric
- H01L21/76849—Barrier, adhesion or liner layers formed in openings in a dielectric the layer being positioned on top of the main fill metal
-
- 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
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/768—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics
- H01L21/76838—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the conductors
- H01L21/76895—Local interconnects; Local pads, as exemplified by patent document EP0896365
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B53/00—Ferroelectric RAM [FeRAM] devices comprising ferroelectric memory capacitors
- H10B53/30—Ferroelectric RAM [FeRAM] devices comprising ferroelectric memory capacitors characterised by the memory core region
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Semiconductor Memories (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
Description
本出願は、35U.S.C119(e)に基づいて2013年6月27日に出願された米国仮特許出願第61/839,997号、2013年6月27日に出願された米国仮特許出願第61/840,128号、及び2013年6月28日に出願された米国仮特許出願第61/841,104号の優先権の利益を主張しており、その両出願とも引用することにより本明細書に組み込まれるものとする。
Claims (11)
- 基板の表面上にゲートレベルを形成するステップであって、前記ゲートレベルは、金属酸化膜半導体(MOS)トランジスタのゲートスタック、前記MOSトランジスタの上に位置する第1の誘電体層、及び前記第1の誘電体層を経て該第1の誘電体層の上面から前記基板中の前記MOSトランジスタの拡散領域まで延在している第1のコンタクトを含む、ステップと、
前記第1の誘電体層の上面上及び前記第1のコンタクト上にO 2 障壁を形成するように選択される材料を含むローカルインターコネクト(LI)層を堆積するステップと、
前記LI層上にフェロスタックを堆積するステップであって、前記フェロスタックは、前記LI層に電気的に結合される底部電極、頂部電極、及び前記底部電極と前記頂部電極との間にある強誘電体層を含む、ステップと、
前記LI層上にLIマスクを形成し、前記LI層をエッチングすることにより、前記底部電極下の前記O 2 障壁および前記第1の誘電体層上のLIを同時に形成するステップと、
前記フェロスタックをパターニングして強誘電体キャパシタを形成するステップであって、前記底部電極は前記O2障壁を経て前記MOSトランジスタの前記拡散領域に電気的に結合される、ステップと
を含む、方法。 - 前記強誘電体キャパシタと前記LIを封入層で封入するステップをさらに含む、請求項1に記載の方法。
- 前記封入層は、前記強誘電体キャパシタ及び前記LI上に堆積された酸化アルミニウム(Al2O3)からなる水素(H2)障壁を含む多数の層を含む、請求項2に記載の方法。
- 前記封入層は、前記H2障壁上の窒化ケイ素からなる窒化物層をさらに含む、請求項3に記載の方法。
- 基板の表面上にゲートレベルを形成するステップであって、前記ゲートレベルは金属酸化膜半導体(MOS)トランジスタのゲートスタック、及び前記MOSトランジスタ上に位置する第1の誘電体層を含む、ステップと、
前記ゲートレベルの表面上に、ドープされていないキャップ酸化(NCAPOX)層を堆積する、ステップと、
デュアルダマシンプロセスを用いて、前記NCAPOX層および前記第1の誘電体層をマスクし、エッチングすることにより、ローカルインターコネクト(LI)用のトレンチ及びLIコンタクト用の開口を形成して充填するステップであって、前記LIコンタクトは前記第1の誘電体層を経て前記基板中の前記MOSトランジスタの拡散領域まで延在し、前記LIコンタクトの上層部分は、前記LIと物理的にも電気的にも結合しておらず、前記LIの一部として機能しないとする、ステップと、
頂部電極と底部電極との間に強誘電体層を含む強誘電体キャパシタを形成するステップであって、前記底部電極は、前記LIコンタクト上に位置し、前記LIコンタクトを経て前記MOSトランジスタの前記拡散領域に電気的に結合される、ステップと
を含む、方法。 - 前記強誘電体キャパシタ及び前記LIを封入層で封入するステップをさらに含む、請求項5に記載の方法。
- 前記封入層は、前記強誘電体キャパシタ及び前記LI上に堆積された酸化アルミニウム(Al2O3)からなる水素(H2)障壁を含む多数の層を含む、請求項6に記載の方法。
- 前記封入層は、前記H2障壁上の窒化ケイ素からなる窒化物層をさらに含む、請求項7に記載の方法。
- 前記強誘電体キャパシタを形成する前に前記LI上に酸素(O2)障壁を形成するステップをさらに含む、請求項5に記載の方法。
- 前記LI用の前記トレンチを形成して充填するステップ及び前記LIの頂部に酸素(O2)障壁を形成するために選択された材料の層を堆積するステップを含む、請求項5に記載の方法。
- 前記LI用の前記トレンチ及び前記LIコンタクト用の前記開口を形成して充填するステップは、前記LI用の前記トレンチ及び前記LIコンタクト用の前記開口をタングステン(W)で充填するステップを含む、請求項5に記載の方法。
Applications Claiming Priority (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201361840128P | 2013-06-27 | 2013-06-27 | |
US201361839997P | 2013-06-27 | 2013-06-27 | |
US61/839,997 | 2013-06-27 | ||
US61/840,128 | 2013-06-27 | ||
US201361841104P | 2013-06-28 | 2013-06-28 | |
US61/841,104 | 2013-06-28 | ||
US14/109,045 | 2013-12-17 | ||
US14/109,045 US9548348B2 (en) | 2013-06-27 | 2013-12-17 | Methods of fabricating an F-RAM |
PCT/US2014/040886 WO2014209559A1 (en) | 2013-06-27 | 2014-06-04 | Methods of fabricating an f-ram |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2016526798A JP2016526798A (ja) | 2016-09-05 |
JP6563390B2 true JP6563390B2 (ja) | 2019-08-21 |
Family
ID=52115968
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2016523760A Active JP6563390B2 (ja) | 2013-06-27 | 2014-06-04 | F−ramの製造方法 |
Country Status (5)
Country | Link |
---|---|
US (1) | US9548348B2 (ja) |
JP (1) | JP6563390B2 (ja) |
CN (2) | CN105308737A (ja) |
TW (1) | TWI635578B (ja) |
WO (1) | WO2014209559A1 (ja) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9305995B1 (en) * | 2015-06-01 | 2016-04-05 | Cypress Semiconductor Corporation | Methods of fabricating an F-RAM |
US9515075B1 (en) | 2015-08-31 | 2016-12-06 | Cypress Semiconductor Corporation | Method for fabricating ferroelectric random-access memory on pre-patterned bottom electrode and oxidation barrier |
US20170092753A1 (en) * | 2015-09-29 | 2017-03-30 | Infineon Technologies Austria Ag | Water and Ion Barrier for III-V Semiconductor Devices |
US10062630B2 (en) | 2015-12-31 | 2018-08-28 | Infineon Technologies Austria Ag | Water and ion barrier for the periphery of III-V semiconductor dies |
WO2018125118A1 (en) * | 2016-12-29 | 2018-07-05 | Intel Corporation | Back-end ferroelectric field-effect transistor devices |
KR102494574B1 (ko) * | 2017-09-12 | 2023-02-03 | 삼성전자주식회사 | 반도체 메모리 장치 |
JP2019179827A (ja) * | 2018-03-30 | 2019-10-17 | ソニーセミコンダクタソリューションズ株式会社 | 半導体記憶装置及び積和演算装置 |
US11004867B2 (en) * | 2018-06-28 | 2021-05-11 | Taiwan Semiconductor Manufacturing Co., Ltd. | Embedded ferroelectric memory in high-k first technology |
US11527542B2 (en) * | 2019-12-30 | 2022-12-13 | Taiwan Semiconductor Manufacturing Co., Ltd. | System-on-chip with ferroelectric random access memory and tunable capacitor |
US20210305356A1 (en) * | 2020-03-26 | 2021-09-30 | Taiwan Semiconductor Manufacturing Co., Ltd. | Barrier layer for metal insulator metal capacitors |
US11227933B2 (en) * | 2020-03-31 | 2022-01-18 | Taiwan Semiconductor Manufacturing Company Limited | Ferroelectric field effect transistor using charge trapping band misalignment and methods of forming the same |
US11450686B2 (en) * | 2020-06-29 | 2022-09-20 | Taiwan Semiconductor Manufacturing Co., Ltd. | High density 3D FERAM |
US20210408117A1 (en) * | 2020-06-29 | 2021-12-30 | Taiwan Semiconductor Manufacturing Company Limited | Multi-gate selector switches for memory cells and methods of forming the same |
CN113421882A (zh) * | 2021-06-21 | 2021-09-21 | 无锡拍字节科技有限公司 | 一种铁电存储器及其制造方法 |
US11825663B2 (en) * | 2021-08-17 | 2023-11-21 | Globalfoundries U.S. Inc. | Ferroelectric nonvolatile memory device and integration schemes |
CN117981490A (zh) * | 2021-09-08 | 2024-05-03 | 无锡舜铭存储科技有限公司 | 铁电存储器件及其制造方法 |
KR20230041502A (ko) * | 2021-09-17 | 2023-03-24 | 삼성전자주식회사 | 강유전체 전자 소자 및 그 결함 밀도 추출 방법 |
US20240008287A1 (en) * | 2022-07-04 | 2024-01-04 | Taiwan Semiconductor Manufacturing Company, Ltd. | Semiconductor device and manufacturing method thereof |
US12062584B1 (en) * | 2022-10-28 | 2024-08-13 | Kepler Computing Inc. | Iterative method of multilayer stack development for device applications |
Family Cites Families (33)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5498569A (en) | 1994-08-22 | 1996-03-12 | Ramtron International Corporation | Layered local interconnect compatible with integrated circuit ferroelectric capacitors |
WO1996010845A2 (en) * | 1994-10-04 | 1996-04-11 | Philips Electronics N.V. | Semiconductor device comprising a ferroelectric memory element with a lower electrode provided with an oxygen barrier |
US5838605A (en) | 1996-03-20 | 1998-11-17 | Ramtron International Corporation | Iridium oxide local interconnect |
WO2000049660A1 (en) * | 1999-02-16 | 2000-08-24 | Symetrix Corporation | Iridium oxide diffusion barrier between local interconnect layer and thin film of layered superlattice material |
KR100391987B1 (ko) * | 2000-09-18 | 2003-07-22 | 삼성전자주식회사 | 강유전체 캐퍼시터를 갖는 반도체 장치 및 그 제조방법 |
US6970370B2 (en) | 2002-06-21 | 2005-11-29 | Micron Technology, Inc. | Ferroelectric write once read only memory for archival storage |
JP2004071932A (ja) * | 2002-08-08 | 2004-03-04 | Toshiba Corp | 半導体装置 |
JP2004207681A (ja) * | 2002-11-07 | 2004-07-22 | Toshiba Corp | 半導体装置及びその製造方法 |
US6730950B1 (en) | 2003-01-07 | 2004-05-04 | Texas Instruments Incorporated | Local interconnect using the electrode of a ferroelectric |
JP4025232B2 (ja) * | 2003-04-07 | 2007-12-19 | 株式会社東芝 | 半導体記憶装置及びその製造方法 |
US7001821B2 (en) | 2003-11-10 | 2006-02-21 | Texas Instruments Incorporated | Method of forming and using a hardmask for forming ferroelectric capacitors in a semiconductor device |
US7153706B2 (en) | 2004-04-21 | 2006-12-26 | Texas Instruments Incorporated | Ferroelectric capacitor having a substantially planar dielectric layer and a method of manufacture therefor |
JP4904671B2 (ja) | 2004-06-24 | 2012-03-28 | 日本電気株式会社 | 半導体装置、その製造方法及び電子機器 |
US8552484B2 (en) | 2004-07-02 | 2013-10-08 | Fujitsu Semiconductor Limited | Semiconductor device and method for fabricating the same |
US8093070B2 (en) | 2004-12-17 | 2012-01-10 | Texas Instruments Incorporated | Method for leakage reduction in fabrication of high-density FRAM arrays |
KR100591776B1 (ko) | 2005-01-03 | 2006-06-26 | 삼성전자주식회사 | 강유전체 메모리 소자 및 그 제조방법 |
WO2006129366A1 (ja) * | 2005-06-02 | 2006-12-07 | Fujitsu Limited | 半導体装置及びその製造方法 |
JP2007095898A (ja) * | 2005-09-28 | 2007-04-12 | Toshiba Corp | 半導体記憶装置及びその製造方法 |
JPWO2007063573A1 (ja) * | 2005-11-29 | 2009-05-07 | 富士通マイクロエレクトロニクス株式会社 | 半導体装置とその製造方法 |
KR101025189B1 (ko) * | 2006-03-30 | 2011-03-31 | 후지쯔 세미컨덕터 가부시키가이샤 | 반도체 장치 및 그 제조 방법 |
US8247855B2 (en) | 2006-09-12 | 2012-08-21 | Texas Instruments Incorporated | Enhanced local interconnects employing ferroelectric electrodes |
JP2008218782A (ja) * | 2007-03-06 | 2008-09-18 | Seiko Epson Corp | 半導体装置及びその製造方法 |
US7772014B2 (en) | 2007-08-28 | 2010-08-10 | Texas Instruments Incorporated | Semiconductor device having reduced single bit fails and a method of manufacture thereof |
US8981440B2 (en) * | 2008-09-16 | 2015-03-17 | Rohm Co., Ltd. | Semiconductor storage device and method for manufacturing the semiconductor storage device |
JP2010157560A (ja) | 2008-12-26 | 2010-07-15 | Toshiba Corp | 半導体記憶装置およびその製造方法 |
US8384190B2 (en) | 2009-03-06 | 2013-02-26 | Texas Instruments Incorporated | Passivation of integrated circuits containing ferroelectric capacitors and hydrogen barriers |
US8440508B2 (en) | 2009-03-06 | 2013-05-14 | Texas Instruments Incorporated | Hydrogen barrier for ferroelectric capacitors |
US8907446B2 (en) | 2009-05-19 | 2014-12-09 | Texas Instruments Incorporated | Integrated circuit structure with capacitor and resistor and method for forming |
JP2010278310A (ja) * | 2009-05-29 | 2010-12-09 | Fujitsu Semiconductor Ltd | 半導体装置及びその製造方法 |
US20110079878A1 (en) | 2009-10-07 | 2011-04-07 | Texas Instruments Incorporated | Ferroelectric capacitor encapsulated with a hydrogen barrier |
US8552515B2 (en) | 2011-08-12 | 2013-10-08 | Cypress Semiconductor Corporation | Method for fabricating a damascene self-aligned ferroelectric random access memory (F-RAM) device structure employing reduced processing steps |
US8518792B2 (en) | 2011-08-12 | 2013-08-27 | Cypress Semiconductor Corporation | Method for fabricating a damascene self-aligned ferroelectric random access memory (F-RAM) having a ferroelectric capacitor aligned with a three dimensional transistor structure |
US8916434B2 (en) | 2012-05-11 | 2014-12-23 | Cypress Semiconductor Corporation | Enhanced hydrogen barrier encapsulation method for the control of hydrogen induced degradation of ferroelectric capacitors in an F-RAM process |
-
2013
- 2013-12-17 US US14/109,045 patent/US9548348B2/en active Active
-
2014
- 2014-06-04 CN CN201480034108.0A patent/CN105308737A/zh active Pending
- 2014-06-04 JP JP2016523760A patent/JP6563390B2/ja active Active
- 2014-06-04 CN CN202010439894.XA patent/CN111785722A/zh active Pending
- 2014-06-04 WO PCT/US2014/040886 patent/WO2014209559A1/en active Application Filing
- 2014-06-09 TW TW103119859A patent/TWI635578B/zh active
Also Published As
Publication number | Publication date |
---|---|
US9548348B2 (en) | 2017-01-17 |
CN105308737A (zh) | 2016-02-03 |
CN111785722A (zh) | 2020-10-16 |
TWI635578B (zh) | 2018-09-11 |
US20150004718A1 (en) | 2015-01-01 |
WO2014209559A1 (en) | 2014-12-31 |
TW201523795A (zh) | 2015-06-16 |
JP2016526798A (ja) | 2016-09-05 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6563390B2 (ja) | F−ramの製造方法 | |
KR102194053B1 (ko) | 상이한 크기들의 메모리 셀들을 노출하기 위한 구조물 및 방법 | |
US10490571B2 (en) | Semiconductor device having ferroelectric layer and method of manufacturing the same | |
WO2019232784A1 (en) | Method for forming dual-deck channel hole structure of three-dimensional memory device | |
CN104157654B (zh) | 三维存储器及其制造方法 | |
KR20180134122A (ko) | 강유전층을 구비하는 반도체 장치 및 그 제조 방법 | |
US9646976B2 (en) | Ferroelectric random-access memory with pre-patterned oxygen barrier | |
KR20180051991A (ko) | 비휘발성 메모리 장치 및 그 제조 방법 | |
US10304731B2 (en) | Damascene oxygen barrier and hydrogen barrier for ferroelectric random-access memory | |
KR102295994B1 (ko) | 메모리 디바이스에 대한 비아 랜딩 향상 | |
US9006808B2 (en) | Eliminating shorting between ferroelectric capacitors and metal contacts during ferroelectric random access memory fabrication | |
JP6758124B2 (ja) | 3次元積層チェーン型メモリ装置の製造方法 | |
WO2020231482A1 (en) | Memory device using a multilayer ferroelectric stack and method of forming the same | |
JP2009076653A (ja) | 半導体装置及びその製造方法 | |
US20220285349A1 (en) | Memory Cell and Method | |
JP2022027611A (ja) | メモリデバイス及びその製造方法 | |
US10079240B2 (en) | Ferroelectric random-access memory on pre-patterned bottom electrode and oxidation barrier | |
US20220231048A1 (en) | Three-dimensional ferroelectric memory device containing lattice-matched templates and methods of making the same | |
US20240357793A1 (en) | Microelectronic devices and memory devices including vertically spaced transistors and storage devices, and related electronic systems |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20170516 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20180319 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20180327 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20180626 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20181030 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20190108 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20190625 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20190724 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 6563390 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313113 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |