JP7093803B2 - アモルファス金属薄膜非線形抵抗 - Google Patents
アモルファス金属薄膜非線形抵抗 Download PDFInfo
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- JP7093803B2 JP7093803B2 JP2020072315A JP2020072315A JP7093803B2 JP 7093803 B2 JP7093803 B2 JP 7093803B2 JP 2020072315 A JP2020072315 A JP 2020072315A JP 2020072315 A JP2020072315 A JP 2020072315A JP 7093803 B2 JP7093803 B2 JP 7093803B2
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- 239000005300 metallic glass Substances 0.000 title claims description 158
- 239000010409 thin film Substances 0.000 title claims description 150
- 239000012212 insulator Substances 0.000 claims description 95
- 238000000034 method Methods 0.000 claims description 45
- 239000000758 substrate Substances 0.000 claims description 33
- 229910052751 metal Inorganic materials 0.000 claims description 30
- 239000002184 metal Substances 0.000 claims description 30
- 238000000059 patterning Methods 0.000 claims description 15
- 238000000151 deposition Methods 0.000 claims description 11
- 239000004020 conductor Substances 0.000 claims description 9
- 229910044991 metal oxide Inorganic materials 0.000 claims description 6
- 150000004706 metal oxides Chemical class 0.000 claims description 6
- UQZIWOQVLUASCR-UHFFFAOYSA-N alumane;titanium Chemical compound [AlH3].[Ti] UQZIWOQVLUASCR-UHFFFAOYSA-N 0.000 claims description 4
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 4
- 239000011521 glass Substances 0.000 description 28
- 239000003990 capacitor Substances 0.000 description 16
- 239000000463 material Substances 0.000 description 16
- 230000000873 masking effect Effects 0.000 description 10
- 238000003860 storage Methods 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 8
- 239000010408 film Substances 0.000 description 7
- 150000002739 metals Chemical class 0.000 description 7
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 5
- 208000023564 acute macular neuroretinopathy Diseases 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 239000004973 liquid crystal related substance Substances 0.000 description 5
- 230000004888 barrier function Effects 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 238000009413 insulation Methods 0.000 description 4
- 238000010791 quenching Methods 0.000 description 3
- 230000000171 quenching effect Effects 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 238000001312 dry etching Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000000206 photolithography Methods 0.000 description 2
- 238000005289 physical deposition Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000004544 sputter deposition Methods 0.000 description 2
- 238000001039 wet etching Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000005689 Fowler Nordheim tunneling Effects 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 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
- 238000003491 array Methods 0.000 description 1
- 238000000231 atomic layer deposition Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000002800 charge carrier Substances 0.000 description 1
- 238000000224 chemical solution deposition Methods 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 210000001520 comb Anatomy 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 239000002178 crystalline material Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000012769 display material Substances 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- 238000001459 lithography Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000004377 microelectronic Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000005240 physical vapour deposition Methods 0.000 description 1
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000004439 roughness measurement Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 239000012808 vapor phase Substances 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
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- 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
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- H01L21/3205—Deposition of non-insulating-, e.g. conductive- or resistive-, layers on insulating layers; After-treatment of these layers
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- 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
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- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
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Description
前記第1、第2、および第3のアモルファス金属薄膜相互接続部が第1のグループであり、前記第4、第5、および第6のアモルファス金属薄膜相互接続部が第2のグループであり、前記第1および第2の電極が、第1のグループと第2のグループの間にある、デバイス。
Claims (22)
- 基板と、
該基板の上方にあり互い違いに配置されている第1および第2のアモルファス金属薄膜相互接続部と、
該第1および該第2のアモルファス金属薄膜相互接続部の上方にあるトンネル絶縁体と、
該トンネル絶縁体の上方にあり前記第1のアモルファス金属薄膜相互接続部と重なっている第1の導電性相互接続部と、
前記トンネル絶縁体の上方にあり前記第1および前記第2のアモルファス金属薄膜相互接続部と重なっている第2の導電性相互接続部と、
前記トンネル絶縁体の上方にあり前記第2のアモルファス金属薄膜相互接続部と重なっている第3の導電性相互接続部と
を備えてなるデバイス。 - 前記トンネル絶縁体が酸化アルミニウムを含む、
請求項1に記載のデバイス。 - 前記第1および前記第2のアモルファス金属薄膜相互接続部がチタンアルミニウムを含む、
請求項1に記載のデバイス。 - 前記第1および前記第2の導電性相互接続部のそれぞれがアモルファス金属薄膜を含む、
請求項1に記載のデバイス。 - 前記第1および前記第2の導電性相互接続部のそれぞれが結晶性金属薄膜を含む、
請求項1に記載のデバイス。 - 前記第1および前記第2の導電性相互接続部のそれぞれが導電性酸化物薄膜を含む、
請求項1に記載のデバイス。 - 前記トンネル絶縁体が5nm~15nmの厚さを有する、
請求項1に記載のデバイス。 - 基板と、
該基板の上方にあり第1の方向に延びる複数のアモルファス金属薄膜相互接続部と、
該複数のアモルファス金属薄膜相互接続部の上方にあるトンネル絶縁体と、
該トンネル絶縁体の上方にあり前記第1の方向を横切る第2の方向に延びる複数の導電性相互接続部であって、該複数の導電性相互接続部は、前記第1の方向に互いに間隔を空けて配置され、該複数の導電性相互接続部の第1の導電性相互接続部が前記複数のアモルファス金属薄膜相互接続部の1つのアモルファス金属薄膜相互接続部のみと重なり、該複数の導電性相互接続部の第2の導電性相互接続部が前記複数のアモルファス金属薄膜相互接続部の2つのアモルファス金属薄膜相互接続部と重なるように配置されている、複数の導電性相互接続部と
を備えてなるデバイス。 - 前記トンネル絶縁体が金属酸化物を含む、
請求項8に記載のデバイス。 - 前記金属酸化物が酸化アルミニウムを含む、
請求項9に記載のデバイス。 - 前記複数のアモルファス金属薄膜相互接続部がチタンアルミニウムを含む、
請求項8に記載のデバイス。 - 前記複数の導電性相互接続部がアモルファス金属薄膜を含む、
請求項8に記載のデバイス。 - 前記複数の導電性相互接続部が結晶性金属薄膜を含む、
請求項8に記載のデバイス。 - 前記複数の導電性相互接続部が透明導電性酸化物薄膜を含む、
請求項8に記載のデバイス。 - 前記複数のアモルファス金属薄膜相互接続部の数が前記複数の導電性相互接続部の数と同じである、
請求項8に記載のデバイス。 - 前記複数のアモルファス金属薄膜相互接続部の数が前記複数の導電性相互接続部の数より少ない、
請求項8に記載のデバイス。 - 基板の上方に、互い違いに配置されるよう第1および第2のアモルファス金属薄膜相互接続部を形成する工程と、
該第1および該第2のアモルファス金属薄膜相互接続部の上方にトンネル絶縁体を堆積する工程と、
該トンネル絶縁体の上方に前記第1のアモルファス金属薄膜相互接続部と重ねて第1の導電性相互接続部を形成し、前記トンネル絶縁体の上方に前記第1および前記第2のアモルファス金属薄膜相互接続部と重ねて第2の導電性相互接続部を形成し、前記トンネル絶縁体の上方に前記第2のアモルファス金属薄膜相互接続部と重ねて第3の導電性相互接続部を形成する、第1、第2、および第3の導電性相互接続部を形成する工程と
を含む方法。 - 前記第1および第2のアモルファス金属薄膜相互接続部を形成する工程が、
前記基板の上方にアモルファス金属層を堆積する工程と、
該アモルファス金属層をパターン化する工程と
を含む、
請求項17に記載の方法。 - 前記第1、第2、および第3の導電性相互接続部を形成する工程が、
前記トンネル絶縁体の上方に導電性材料層を堆積する工程と、
該導電性材料層をパターン化する工程と
を含む、
請求項17に記載の方法。 - 前記導電性材料層がアモルファス金属または結晶性金属を含む、
請求項19に記載の方法。 - 基板の上方に、第1の方向に延びる複数のアモルファス金属薄膜相互接続部を形成する工程と、
該複数のアモルファス金属薄膜相互接続部の上方にトンネル絶縁体を堆積する工程と、
該トンネル絶縁体の上方に、前記第1の方向を横切る第2の方向に延びる複数の導電性相互接続部を形成する工程であって、該複数の導電性相互接続部は、前記第1の方向に互いに間隔を空けて配置され、該複数の導電性相互接続部の第1の導電性相互接続部が前記複数のアモルファス金属薄膜相互接続部の1つのアモルファス金属薄膜相互接続部のみと重なり、該複数の導電性相互接続部の第2の導電性相互接続部が前記複数のアモルファス金属薄膜相互接続部の2つのアモルファス金属薄膜相互接続部と重なるように配置されている、複数の導電性相互接続部を形成する工程と
を含む方法。 - 基板と、
該基板の上方にある複数のアモルファス金属薄膜相互接続部と、
該複数のアモルファス金属薄膜相互接続部の上方にあるトンネル絶縁体と、
該トンネル絶縁体の上方にある複数の導電性相互接続部であって、該複数の導電性相互接続部は、該複数の導電性相互接続部の第1の導電性相互接続部が前記複数のアモルファス金属薄膜相互接続部の1つのアモルファス金属薄膜相互接続部のみと重なり、該複数の導電性相互接続部の第2の導電性相互接続部が前記複数のアモルファス金属薄膜相互接続部の2つのアモルファス金属薄膜相互接続部と重なるように配置されている、複数の導電性相互接続部と
を備えてなり、
前記複数のアモルファス金属薄膜相互接続部の数が、前記複数の導電性相互接続部の数と同じである、デバイス。
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