JP6034095B2 - 半導体装置およびその製造方法 - Google Patents
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- 239000004065 semiconductor Substances 0.000 title claims description 72
- 238000004519 manufacturing process Methods 0.000 title claims description 31
- 230000002093 peripheral effect Effects 0.000 claims description 66
- 239000000758 substrate Substances 0.000 claims description 51
- 238000000034 method Methods 0.000 claims description 42
- 229910052751 metal Inorganic materials 0.000 claims description 38
- 239000002184 metal Substances 0.000 claims description 38
- 230000004888 barrier function Effects 0.000 claims description 24
- 230000015572 biosynthetic process Effects 0.000 claims description 23
- 230000000149 penetrating effect Effects 0.000 claims description 14
- 238000002955 isolation Methods 0.000 claims description 11
- 239000004020 conductor Substances 0.000 claims description 8
- 229910052710 silicon Inorganic materials 0.000 description 102
- 239000010703 silicon Substances 0.000 description 102
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 101
- 239000010408 film Substances 0.000 description 93
- 239000010410 layer Substances 0.000 description 52
- 238000005530 etching Methods 0.000 description 29
- 230000035515 penetration Effects 0.000 description 18
- 238000001020 plasma etching Methods 0.000 description 17
- 239000010949 copper Substances 0.000 description 14
- 230000000694 effects Effects 0.000 description 14
- 238000009792 diffusion process Methods 0.000 description 12
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 8
- 229910052802 copper Inorganic materials 0.000 description 8
- 229910052814 silicon oxide Inorganic materials 0.000 description 8
- 230000006866 deterioration Effects 0.000 description 6
- 239000011229 interlayer Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 229910052581 Si3N4 Inorganic materials 0.000 description 5
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 5
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 description 4
- 238000011109 contamination Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000005268 plasma chemical vapour deposition Methods 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 3
- 238000000206 photolithography Methods 0.000 description 3
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 3
- 229920005591 polysilicon Polymers 0.000 description 3
- 239000000470 constituent Substances 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000001459 lithography Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 2
- 238000004544 sputter deposition Methods 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000007517 polishing process Methods 0.000 description 1
- 229910021332 silicide Inorganic materials 0.000 description 1
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 description 1
- 150000003376 silicon Chemical class 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
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- H—ELECTRICITY
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- 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
- H01L21/76898—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics formed through a semiconductor substrate
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/48—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor
- H01L23/481—Internal lead connections, e.g. via connections, feedthrough structures
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- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
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- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2223/00—Details relating to semiconductor or other solid state devices covered by the group H01L23/00
- H01L2223/544—Marks applied to semiconductor devices or parts
- H01L2223/5442—Marks applied to semiconductor devices or parts comprising non digital, non alphanumeric information, e.g. symbols
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- H01L2223/54453—Marks applied to semiconductor devices or parts for use prior to dicing
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- H01L2223/54473—Marks applied to semiconductor devices or parts for use after dicing
- H01L2223/5448—Located on chip prior to dicing and remaining on chip after dicing
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- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- 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
- H01L2224/10—Bump connectors; Manufacturing methods related thereto
- H01L2224/12—Structure, shape, material or disposition of the bump connectors prior to the connecting process
- H01L2224/13—Structure, shape, material or disposition of the bump connectors prior to the connecting process of an individual bump connector
- H01L2224/13001—Core members of the bump connector
- H01L2224/1302—Disposition
- H01L2224/13025—Disposition the bump connector being disposed on a via connection of the semiconductor or solid-state body
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- H01L2224/10—Bump connectors; Manufacturing methods related thereto
- H01L2224/12—Structure, shape, material or disposition of the bump connectors prior to the connecting process
- H01L2224/14—Structure, shape, material or disposition of the bump connectors prior to the connecting process of a plurality of bump connectors
- H01L2224/141—Disposition
- H01L2224/1418—Disposition being disposed on at least two different sides of the body, e.g. dual array
- H01L2224/14181—On opposite sides of the body
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- H01L2924/10—Details of semiconductor or other solid state devices to be connected
- H01L2924/11—Device type
- H01L2924/13—Discrete devices, e.g. 3 terminal devices
- H01L2924/1304—Transistor
- H01L2924/1306—Field-effect transistor [FET]
- H01L2924/13091—Metal-Oxide-Semiconductor Field-Effect Transistor [MOSFET]
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- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
Description
図1は、第1の実施形態に係る半導体装置の要部概略構成を示す断面図である。図2は図1のウェハ上の位置を示し、図3は図2の要部拡大図である。
図13は、第2の実施形態に係る半導体装置のシリコン貫通構造41の部分の概略構成を示す要部拡大断面図である。
図19から図21は、第3の実施形態に係る半導体装置のシリコン貫通構造41の部分の概略構成を示す図である。図19はウェハ上の位置を示し、図20は図19の要部拡大図、図21は図20のさらなる要部拡大図である。
図22は、第4の実施形態に係る半導体装置の要部概略構成を示す断面図である。図22は図23のA−A断面図に相当し、図23は図22の上面模式図である。
図24から図25は、第5の実施形態に係る半導体装置の製造方法の要部概略構成を示す断面図である。
Claims (6)
- 半導体基板の素子形成面の裏面側から、前記素子形成面まで貫通する第1および第2の貫通孔を備えた半導体装置であって、
前記第2の貫通孔は、前記第1の貫通孔よりも開口面積が大きく、
前記第2の貫通孔は、前記素子形成面側に位置する底部側壁に、前記第2の貫通孔の外周を囲む、外周絶縁膜を備え、
前記外周絶縁膜は、内周面が、前記素子形成面の裏面側の前記第2の貫通孔の外周面よりも外側に位置し、
前記第2貫通孔は、前記素子形成面側の底部近傍において、前記素子形成面の裏面側から前記素子形成面側に向かって、開口面積が大きくなる部分を有している半導体装置。 - 前記第1および第2の貫通孔が、
前記第1および第2の貫通孔の底部を除く内壁を覆う内壁絶縁膜と、
前記内壁絶縁膜で覆われた前記第1および第2の貫通孔内を覆うバリアメタル層と、
前記バリアメタル層を備えた前記第1および第2の貫通孔に埋め込まれた導体層とを備えた、請求項1に記載の半導体装置。 - 前記外周絶縁膜は、前記素子形成面の素子分離膜(STI)と同一深さを有する絶縁膜である請求項2に記載の半導体装置。
- 半導体基板の素子形成面の裏面側から、前記素子形成面に向かって貫通する開口面積の異なる第1および第2の貫通孔を形成する工程と、
前記第1および第2の貫通孔内に導体層を充填する工程とを含む半導体装置の製造方法であって、
前記第1および第2の貫通孔を形成する工程に先だち、
前記第1の貫通孔よりも開口面積が大きい、前記第2の貫通孔の形成される領域の外周を囲むように、前記素子形成面側に位置する前記第2の貫通孔の底部側壁に外周絶縁膜を形成する工程を含む半導体装置の製造方法。 - 前記外周絶縁膜を形成する工程は、前記素子形成面に素子分離膜(STI)を形成する工程と同一工程である請求項4に記載の半導体装置の製造方法。
- 前記第1の貫通孔は素子部に設けられ、前記第2の貫通孔は、前記素子部の周縁部に設けられたマーク構造である請求項1に記載の半導体装置。
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JP2012182632A JP6034095B2 (ja) | 2012-08-21 | 2012-08-21 | 半導体装置およびその製造方法 |
US13/762,223 US8907493B2 (en) | 2012-08-21 | 2013-02-07 | Semiconductor device and method of manufacturing the same |
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JP2012182632A JP6034095B2 (ja) | 2012-08-21 | 2012-08-21 | 半導体装置およびその製造方法 |
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JP6034095B2 true JP6034095B2 (ja) | 2016-11-30 |
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