KR20020020954A - 이중 웨이퍼 부착 방법 - Google Patents
이중 웨이퍼 부착 방법 Download PDFInfo
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- KR20020020954A KR20020020954A KR1020027001481A KR20027001481A KR20020020954A KR 20020020954 A KR20020020954 A KR 20020020954A KR 1020027001481 A KR1020027001481 A KR 1020027001481A KR 20027001481 A KR20027001481 A KR 20027001481A KR 20020020954 A KR20020020954 A KR 20020020954A
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- 238000000034 method Methods 0.000 title claims description 54
- 230000009977 dual effect Effects 0.000 title description 3
- 235000012431 wafers Nutrition 0.000 claims abstract description 97
- 239000004642 Polyimide Substances 0.000 claims abstract description 66
- 229920001721 polyimide Polymers 0.000 claims abstract description 66
- 239000000463 material Substances 0.000 claims abstract description 24
- 238000005530 etching Methods 0.000 claims abstract description 18
- 238000000576 coating method Methods 0.000 claims abstract description 8
- 229910052751 metal Inorganic materials 0.000 claims description 32
- 239000002184 metal Substances 0.000 claims description 32
- 229910000856 hastalloy Inorganic materials 0.000 claims description 20
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 15
- 229910052710 silicon Inorganic materials 0.000 claims description 15
- 239000010703 silicon Substances 0.000 claims description 15
- 238000000059 patterning Methods 0.000 claims description 8
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000003801 milling Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 238000004377 microelectronic Methods 0.000 claims description 3
- 229910052581 Si3N4 Inorganic materials 0.000 claims 6
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims 6
- 238000005520 cutting process Methods 0.000 claims 4
- 230000000149 penetrating effect Effects 0.000 claims 4
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims 2
- 238000002955 isolation Methods 0.000 claims 2
- 238000002844 melting Methods 0.000 claims 2
- 230000008018 melting Effects 0.000 claims 2
- 239000004020 conductor Substances 0.000 claims 1
- 238000004080 punching Methods 0.000 claims 1
- 238000004544 sputter deposition Methods 0.000 claims 1
- 239000004952 Polyamide Substances 0.000 abstract description 7
- 229920002647 polyamide Polymers 0.000 abstract description 7
- 239000000758 substrate Substances 0.000 abstract description 6
- -1 for example Substances 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 61
- 239000010408 film Substances 0.000 description 12
- 238000005516 engineering process Methods 0.000 description 5
- 239000013078 crystal Substances 0.000 description 4
- 238000000151 deposition Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 230000008021 deposition Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000005304 joining Methods 0.000 description 2
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 239000011733 molybdenum Substances 0.000 description 2
- 238000003980 solgel method Methods 0.000 description 2
- XAGFODPZIPBFFR-BJUDXGSMSA-N Aluminum-26 Chemical compound [26Al] XAGFODPZIPBFFR-BJUDXGSMSA-N 0.000 description 1
- 241001428214 Polyides Species 0.000 description 1
- XHCLAFWTIXFWPH-UHFFFAOYSA-N [O-2].[O-2].[O-2].[O-2].[O-2].[V+5].[V+5] Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[V+5].[V+5] XHCLAFWTIXFWPH-UHFFFAOYSA-N 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005137 deposition process Methods 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 238000001312 dry etching Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000001465 metallisation Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920002120 photoresistant polymer Polymers 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 229910001935 vanadium oxide Inorganic materials 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- RUDFQVOCFDJEEF-UHFFFAOYSA-N yttrium(III) oxide Inorganic materials [O-2].[O-2].[O-2].[Y+3].[Y+3] RUDFQVOCFDJEEF-UHFFFAOYSA-N 0.000 description 1
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- H01L25/50—Multistep manufacturing processes of assemblies consisting of devices, each device being of a type provided for in group H01L27/00 or H01L29/00
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/10—Radiation pyrometry, e.g. infrared or optical thermometry using electric radiation detectors
- G01J5/20—Radiation pyrometry, e.g. infrared or optical thermometry using electric radiation detectors using resistors, thermistors or semiconductors sensitive to radiation, e.g. photoconductive devices
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- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
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- G01K7/028—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using thermoelectric elements, e.g. thermocouples using microstructures, e.g. made of silicon
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- H01L25/04—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers
- H01L25/065—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H01L27/00
- H01L25/0657—Stacked arrangements of devices
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- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/02—Bonding areas; Manufacturing methods related thereto
- H01L2224/04—Structure, shape, material or disposition of the bonding areas prior to the connecting process
- H01L2224/04105—Bonding areas formed on an encapsulation of the semiconductor or solid-state body, e.g. bonding areas on chip-scale packages
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- H01L2224/26—Layer connectors, e.g. plate connectors, solder or adhesive layers; Manufacturing methods related thereto
- H01L2224/31—Structure, shape, material or disposition of the layer connectors after the connecting process
- H01L2224/32—Structure, shape, material or disposition of the layer connectors after the connecting process of an individual layer connector
- H01L2224/321—Disposition
- H01L2224/32151—Disposition the layer connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive
- H01L2224/32221—Disposition the layer connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked
- H01L2224/32245—Disposition the layer connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being metallic
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- H01L2224/732—Location after the connecting process
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- H01L2224/92—Specific sequence of method steps
- H01L2224/922—Connecting different surfaces of the semiconductor or solid-state body with connectors of different types
- H01L2224/9222—Sequential connecting processes
- H01L2224/92242—Sequential connecting processes the first connecting process involving a layer connector
- H01L2224/92244—Sequential connecting processes the first connecting process involving a layer connector the second connecting process involving a build-up interconnect
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- H01L2225/065—All the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/648 and H10K99/00 the devices not having separate containers the devices being of a type provided for in group H01L27/00
- H01L2225/06503—Stacked arrangements of devices
- H01L2225/06541—Conductive via connections through the device, e.g. vertical interconnects, through silicon via [TSV]
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- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
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- Measuring Fluid Pressure (AREA)
- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
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Abstract
Description
Claims (16)
- 적어도 하나의 웨이퍼가 미세구조부를 가지는, 제 1 및 제 2 웨이퍼를 부착시키는 방법으로서,제 1 연결부 세트를 가지고 있는, 저온 미세 전자소자를 가지는 제 1 웨이퍼를 만드는 공정;제 1 연결부 세트와 결합하도록 경상으로 배치된 제 2 연결부 세트를 가지고 있는 제 2 웨이퍼를 고온에서 만드는 공정;폴리이미드층을 상기 제 1 웨이퍼의 상부측에 도포하는 공정;폴리이미드층을 상기 제 2 웨이퍼의 상부측에 도포하는 공정;상기 제 1 및 제 2 웨이퍼를 소프트 베이킹하는 공정;상기 제 1 및 제 2 웨이퍼의 상부측을 서로 마주 대하게 하는 공정;상기 제 1 및 제 2 웨이퍼를 서로에 대해 정렬시키는 공정;상기 제 1 및 제 2 웨이퍼를 비-산화 상태로 일정온도 및 일정 압력하에서 서로 접합시키는 공정;각각의 연결부 세트에 상기 폴리이미드층을 관통하는 구멍을 에칭하는 공정; 그리고연결부 세트에 접촉부를 만들기 위하여 상기 구멍 속으로 도전성 물질을 스퍼터링하는 공정을 포함하고 있는 것을 특징으로 하는 방법.
- 고온에서 처리된 웨이퍼를 가진 감온성 웨이퍼를 만드는 방법으로서,제 1 실리콘 웨이퍼 상에 하스텔로이층을 형성하는 공정;하스텔로이층에 YSZ 필름층을 형성하는 공정;YSZ층을 패턴형성하고 에칭하는 공정;YSZ층에 BixTiOy층을 형성하는 공정;BixTiOy층에 CMR층을 형성하는 공정;CMR층에 실리콘 나이트라이드층을 형성하는 공정;실리콘 나이트라이드층, CMR층, BixTiOy층을 저항체 패턴으로 패턴형성하고 에칭하는 공정;실리콘 나이트라이드층 및 하스텔로이층의 일부분 상에 제 1 폴리이미드층을 형성하는 공정;제 1 폴리이미드층을 실리콘 나이트라이드층에 평탄화하는 공정;실리콘 나이트라이드층을 통하여 제 1 비아를 CMR층으로 절삭하는 공정;CMR층과 접촉하기 위해 제 1 비아를 채우는 금속층을 형성하는 공정;금속층을 패턴형성하고 에칭하는 공정;금속층 상에 유전체층을 형성하는 공정;유전체층 및 금속층을 관통하는 제 2 비아를 제 1 폴리이미드층에 에칭하는 공정;유전체층 상에 제 2 폴리이미드층을 형성하는 공정;제 2 실리콘 웨이퍼 사에 CMOS 전자소자를 형성하는 공정;CMOS 전자소자 상에 제 3 폴리이미드층을 형성하는 공정;제 3 폴리이미드층을 관통하는 제 3 비아를 CMOS 전자소자에 패턴형성하고 에칭하는 공정;제 3 폴리이미드층 상에서, CMOS 전자소자와 접촉하기 위해서 제 3 비아를 채우는 금속층을 형성하는 공정;금속층을 제 3 폴리이미드층에 평탄화하는 공정;제 3 폴리이미드층 및 금속층의 일부분 상에 제 4 폴리이미드층을 형성하는 공정;서로에 대해 인접하는 제 2 및 제 4 폴리이미드층을 가지는, 제 1 및 제 2 웨이퍼를 정렬시키는 공정;제 2 및 제 4 폴리이미드층을 서로에 대해 가압-접합시키는 공정;제 1 실리콘 웨이퍼를 관통하는 액세스 홀을 하스텔로이층까지 절삭하는 공정;제 1 실리콘층을 릴리스하기 위해서 하스텔로이층을 에칭하는 공정;YSZ층을 얇게 하기 위해서 제 1 폴리이미드층 및 YSZ층을 밀링하는 공정;제 1 폴리이미드층을 제거하는 공정;제 3 비아에 위치된 금속층에 제 2 비아를 통하여 통로를 제공하기 위해서 제 2 및 제 4 폴리이미드층의 일부분을 제거하는 공정;제 2 비아 내의 접촉 포스트를 제 3 비아에 위치된 금속층에 형성하는 공정;그리고제 2, 제 3 및 제 4 폴리이미드층을 제거하는 공정을 포함하고 있고,제 3 비아 내에 위치된 접촉 포스트 및 금속층이 YSZ층, BixTiOy층, CMR층, 실리콘 나이트라이드층과 CMOS 전자소자 및 제 2 실리콘 웨이퍼 사이에 지지구조 및 열적 차단을 제공하는 것을 특징으로 하는 방법.
- 고온 웨이퍼에 감온성 웨이퍼를 부착시키는 방법으로서,제 1 웨이퍼 상에 하스텔로이층을 형성하는 공정;하스텔로이층 상에 YSZ층을 형성하는 공정;YSZ층을 패턴형성하고 에칭하는 공정;YSZ층 상에 티타네이트층을 형성하는 공정;BixTiOy층 상에 CMR층을 형성하는 공정;CMR층 상에 제 1 유전체층을 형성하는 공정;제 1 유전체층, CMR층 및 티타네이트층을 저항체 패턴으로 패턴형성하고 에칭하는 공정;제 1 유전체층 및 하스텔로이층의 일부분 상에 제 1 폴리이미드층을 형성하는 공정;제 1 폴리이미드층을 제 1 유전체층에 평탄화하는 공정;제 1 유전체층을 관통하는 제 1 비아를 CMR층까지 절삭하는 공정;CMR층과 접촉하기 위하여 제 1 비아를 채우는 금속층을 형성하는 공정;금속층을 패턴형성하고 에칭하여 금속층 상에 제 2 유전체층을 형성하는 공정;제 2 유전체층 및 금속층을 관통하는 제 2 비아를 제 1 폴리이미드층에 에칭하는 공정;유전체층 상에 제 2 폴리이미드층을 형성하는 형성하는 공정;제 2 웨이퍼 상에 CMOS를 형성하는 공정;CMOS 상에 제 3 폴리이미드층을 형성하는 공정;서로에 대해 인접한 제 2 및 제 3 폴리이미드층을 가지는 제 1 및 제 2 웨이퍼를 정렬시키는 공정;제 2 및 제 3 폴리이미드층을 서로에 대해 가압-접합하는 공정;제 1 웨이퍼를 관통하는 액세스 홀을 절삭하는 공정;제 1 웨이퍼를 릴리스하기 위하여 액세스 홀을 통하여 하스텔로이층을 제거하는 공정;제 1 폴리이미드층을 제거하는 공정;제 2 비아 그리고 제 2 및 제 3 폴리이미드층을 관통하는 구멍을 CMOS까지 펀칭하는 공정;구멍을 통하여 금속층, 유전체층, 그리고 제 2 및 제 3 폴리이미드층을 관통하는 접촉 포스트를 형성하는 공정; 그리고CMOS와 금속층 사이의 열적 차단을 제공하기 위해 제 2 및 제 3 폴리이미드층을 제거하는 공정을 포함하는 것을 특징으로 하는 방법.
- 제 1 및 제 2 웨이퍼를 부착시키는 방법으로서,제 1 웨이퍼 상에 제 1 미세구조부를 형성하는 공정;제 2 웨이퍼 상에 제 2 미세구조부를 형성하는 공정;제 1 두꺼운 부분을 가지는 제 1 접합재로 제 1 미세구조부를 코팅하는 공정;제 2 두꺼운 부분을 가지는 제 2 접합재로 제 2 미세구조부를 코팅하는 곧정;제 1 및 제 2 웨이퍼를 정렬시키는 공정;제 1 및 제 2 접합재를 접촉시키는 공정; 그리고제 1 및 제 2 접합재의 제 1 및 제 2 두꺼운 부분 각각이 제 1 미세구조부와 제 2 미세구조부 사이의 간격을 결정하도록 제 1 접합재와 제 2 접합재 사이 그리고 제 1 미세구조부와 제 2 미세구조부 사이의 코팅부를 융해하여 접합을 형성하는 공정을 포함하는 것을 특징으로 하는 방법.
- 제 4 항에 있어서, 제 1 웨이퍼가 실리콘으로 된 것을 특징으로 하는 방법.
- 제 5 항에 있어서, 제 2 웨이퍼가 실리콘으로 된 것을 특징으로 하는 방법.
- 제 6 항에 있어서, 제 1 웨이퍼 상에 형성된 제 1 미세구조부는 미세 이렉트로닉스인 것을 특징으로 하는 방법.
- 제 7 항에 있어서, 제 1 및 제 2 접합재는 폴리이미드인 것을 특징으로 하는 방법.
- 제 8 항에 있어서, 제 1 및 제 2 접합재의 제 1 및 제 2 두꺼운 부분 각각이 대략 동일한 것을 특징으로 하는 방법.
- 제 9 항에 있어서, 접합재를 제거하는 공정 후에 코팅부를 융해하는 공정이 이어지는 것을 특징으로 하는 방법.
- 제 1 항에 있어서, 제 2 웨이퍼를 제거하는 공정 후에 코팅부를 융해하는 공정이 이어지는 것을 특징으로 하는 방법.
- 제 11 항에 있어서, 제 2 웨이퍼를 제거하는 공정은 제 2 미세구조부로부터 제 2 웨이퍼를 분리시키는 희생층을 제거하는 공정을 포함하는 것을 특징으로 하는 방법.
- 제 12 항에 있어서, 희생층을 제거하는 공정이 희생층에 액세스를 형성하는공정에 앞서 일어나는 것을 특징으로 하는 방법.
- 제 13 항에 있어서, 제 1 미세구조부로부터 제 2 미세구조부까지 접촉부를 형성하는 공정을 더 포함하는 것을 특징으로 하는 방법.
- 제 14 항에 있어서, 접촉부가 제 1 또는 제 2 미세구조부 중 하나의 배면으로부터 형성되어 있는 것을 특징으로 하는 방법.
- 제 15 항에 있어서, 미세구조부를 가지고 있으며 접합재로 코팅된, 부가적인 웨이퍼를 기존의 접합된 미세구조부에 융합시키는 공정을 더 포함하는 것을 특징으로 하는 방법.
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- 2000-08-02 AU AU67546/00A patent/AU6754600A/en not_active Abandoned
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- 2000-08-02 JP JP2001514479A patent/JP4890708B2/ja not_active Expired - Lifetime
- 2000-08-02 KR KR1020027001481A patent/KR100704249B1/ko active IP Right Grant
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EP1198835B1 (en) | 2015-11-11 |
AU6754600A (en) | 2001-02-19 |
JP2003506871A (ja) | 2003-02-18 |
CA2381081C (en) | 2010-05-04 |
US6287940B1 (en) | 2001-09-11 |
JP4890708B2 (ja) | 2012-03-07 |
CN1377512A (zh) | 2002-10-30 |
KR100704249B1 (ko) | 2007-04-05 |
EP1198835A1 (en) | 2002-04-24 |
CA2381081A1 (en) | 2001-02-08 |
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