JP5442580B2 - 電気ヒューズ構造とその形成方法 - Google Patents
電気ヒューズ構造とその形成方法 Download PDFInfo
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- JP5442580B2 JP5442580B2 JP2010243373A JP2010243373A JP5442580B2 JP 5442580 B2 JP5442580 B2 JP 5442580B2 JP 2010243373 A JP2010243373 A JP 2010243373A JP 2010243373 A JP2010243373 A JP 2010243373A JP 5442580 B2 JP5442580 B2 JP 5442580B2
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- 238000000034 method Methods 0.000 title description 49
- 229910052751 metal Inorganic materials 0.000 claims description 40
- 239000002184 metal Substances 0.000 claims description 40
- 230000004888 barrier function Effects 0.000 claims description 13
- 238000009792 diffusion process Methods 0.000 claims description 11
- 238000010276 construction Methods 0.000 claims 1
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 239000010410 layer Substances 0.000 description 58
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 19
- 229920005591 polysilicon Polymers 0.000 description 19
- 229920002120 photoresistant polymer Polymers 0.000 description 12
- 239000004065 semiconductor Substances 0.000 description 11
- 229910021332 silicide Inorganic materials 0.000 description 8
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 description 8
- 239000000758 substrate Substances 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 6
- 229910052802 copper Inorganic materials 0.000 description 6
- 239000010949 copper Substances 0.000 description 6
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 6
- 229910017052 cobalt Inorganic materials 0.000 description 5
- 239000010941 cobalt Substances 0.000 description 5
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 238000000151 deposition Methods 0.000 description 4
- 239000011229 interlayer Substances 0.000 description 4
- 229910052697 platinum Inorganic materials 0.000 description 3
- 238000005498 polishing Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 229910021341 titanium silicide Inorganic materials 0.000 description 3
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 3
- 229910052721 tungsten Inorganic materials 0.000 description 3
- 239000010937 tungsten Substances 0.000 description 3
- ZXEYZECDXFPJRJ-UHFFFAOYSA-N $l^{3}-silane;platinum Chemical compound [SiH3].[Pt] ZXEYZECDXFPJRJ-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 229910021334 nickel silicide Inorganic materials 0.000 description 2
- RUFLMLWJRZAWLJ-UHFFFAOYSA-N nickel silicide Chemical compound [Ni]=[Si]=[Ni] RUFLMLWJRZAWLJ-UHFFFAOYSA-N 0.000 description 2
- PEUPIGGLJVUNEU-UHFFFAOYSA-N nickel silicon Chemical compound [Si].[Ni] PEUPIGGLJVUNEU-UHFFFAOYSA-N 0.000 description 2
- 229910021339 platinum silicide Inorganic materials 0.000 description 2
- 230000027756 respiratory electron transport chain Effects 0.000 description 2
- MZLGASXMSKOWSE-UHFFFAOYSA-N tantalum nitride Chemical compound [Ta]#N MZLGASXMSKOWSE-UHFFFAOYSA-N 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- VLJQDHDVZJXNQL-UHFFFAOYSA-N 4-methyl-n-(oxomethylidene)benzenesulfonamide Chemical compound CC1=CC=C(S(=O)(=O)N=C=O)C=C1 VLJQDHDVZJXNQL-UHFFFAOYSA-N 0.000 description 1
- 229910019001 CoSi Inorganic materials 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- 229910000577 Silicon-germanium Inorganic materials 0.000 description 1
- 229910008484 TiSi Inorganic materials 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- LEVVHYCKPQWKOP-UHFFFAOYSA-N [Si].[Ge] Chemical compound [Si].[Ge] LEVVHYCKPQWKOP-UHFFFAOYSA-N 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- -1 etc. Inorganic materials 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 229910021340 platinum monosilicide Inorganic materials 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/52—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames
- H01L23/522—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames including external interconnections consisting of a multilayer structure of conductive and insulating layers inseparably formed on the semiconductor body
- H01L23/525—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames including external interconnections consisting of a multilayer structure of conductive and insulating layers inseparably formed on the semiconductor body with adaptable interconnections
- H01L23/5256—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames including external interconnections consisting of a multilayer structure of conductive and insulating layers inseparably formed on the semiconductor body with adaptable interconnections comprising fuses, i.e. connections having their state changed from conductive to non-conductive
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/52—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames
- H01L23/522—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames including external interconnections consisting of a multilayer structure of conductive and insulating layers inseparably formed on the semiconductor body
- H01L23/5226—Via connections in a multilevel interconnection structure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/0001—Technical content checked by a classifier
- H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
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- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Design And Manufacture Of Integrated Circuits (AREA)
Description
12、32、42、52…陰極
14…ヒューズリンク
16…陽極
18、20、34、44、54、126、22…コンタクト
22、26…縦軸
102…半導体基板
104…シャロートレンチアイソレーション
106、208…金属、或いは、ポリシリコン層
110…誘電体層
114、116、120、206、214、218、220…開口
122、222…拡散バリア層
124、224…金属
128、228…線
202…第一誘電層
210…第二誘電層
Claims (10)
- 陽極と、
陰極と、
前記陽極と前記陰極間に挿入されるヒューズリンク、及び、
前記陰極に結合される陰極コネクタと、
を含み、
前記陰極コネクタは、それぞれ、アクティブ装置に結合されるコンタクトの最小フィーチャーサイズの2倍以上であり、且つ、
前記陰極コネクタは、前記ヒューズリンクを挟んで対向する側に設けられ、前記陰極の領域における前記ヒューズリンクの延長線上には配置しないことを特徴とするヒューズ構造。 - 前記陰極コネクタは、前記アクティブ装置を結合する前記コンタクトの前記最小フィーチャーサイズの2倍〜4倍であることを特徴とする請求項1に記載のヒューズ構造。
- 更に、前記陽極に結合される陽極コネクタを含み、前記陽極コネクタは、前記アクティブ装置に結合される前記コンタクトの前記最小フィーチャーサイズの1倍以上であることを特徴とする請求項1に記載のヒューズ構造。
- 前記陽極コネクタは、前記アクティブ装置に結合される前記コンタクトの前記最小フィーチャーサイズの1倍〜2倍であることを特徴とする請求項3に記載のヒューズ構造。
- 前記ヒューズリンクの幅は、ゲート電極、或いは、金属線の幅の最小フィーチャーサイズの1倍以上であることを特徴とする請求項1に記載のヒューズ構造。
- 前記ヒューズリンクの前記幅は、前記ゲート電極、或いは、前記金属線の前記幅の前記最小フィーチャーサイズの1倍〜2倍であることを特徴とする請求項5に記載のヒューズ構造。
- 前記ヒューズリンクの線上に設けられた前記陰極の領域内に、前記陰極に結合されるコネクタはなく、前記ヒューズリンクは、前記ヒューズリンクの上表面の第一辺縁に沿った第一縦軸と、前記ヒューズリンクの前記上表面の第二辺縁に沿った第二縦軸と、を有し、前記第一縦軸と前記第二縦軸は、前記ヒューズリンクの線上にある前記陰極の領域を規定していることを特徴とする請求項1に記載のヒューズ構造。
- 前記コネクタは、複数対の対応するコネクタからなり、前記複数対のコネクタは前記第一縦軸及び前記第二縦軸と交叉する交叉領域により等分され、前記複数対のコネクタと前記交叉領域間の距離は等しいことを特徴とする請求項7に記載のヒューズ構造。
- 前記陰極に結合される前記陰極コネクタは、前記陰極に結合されるコネクタのアレイからなることを特徴とする請求項1に記載のヒューズ構造。
- 陰極と、
陽極と、
前記陰極と前記陽極との間に結合されたヒューズリンクと、
前記陰極上の誘電体と、
前記陰極上の前記誘電体中に設置された開口を備え、
前記開口は、前記陰極の一部を露出させると共に、前記陰極上の表面に平行な面で断面した場合、最小フィーチャーサイズより2倍大きい面積を有し、
更に、前記開口中に設置される金属コネクタと、
前記開口中で、前記誘電体と前記金属コネクタ間に設置される拡散バリア層を備え、
前記金属コネクタは、前記ヒューズリンクを挟んで対向する側に設けられ、前記陰極の領域における前記ヒューズリンクの延長線上には配置しないことを特徴とする構造。
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US25679209P | 2009-10-30 | 2009-10-30 | |
US61/256,792 | 2009-10-30 | ||
US30858810P | 2010-02-26 | 2010-02-26 | |
US61/308,588 | 2010-02-26 | ||
US12/771,768 US8686536B2 (en) | 2009-10-30 | 2010-04-30 | Electrical fuse structure and method of formation |
US12/771,768 | 2010-04-30 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2011097061A JP2011097061A (ja) | 2011-05-12 |
JP5442580B2 true JP5442580B2 (ja) | 2014-03-12 |
Family
ID=43924484
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010243373A Active JP5442580B2 (ja) | 2009-10-30 | 2010-10-29 | 電気ヒューズ構造とその形成方法 |
Country Status (4)
Country | Link |
---|---|
US (2) | US8686536B2 (ja) |
JP (1) | JP5442580B2 (ja) |
CN (2) | CN102074547A (ja) |
TW (1) | TWI449146B (ja) |
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2010
- 2010-04-30 US US12/771,768 patent/US8686536B2/en active Active
- 2010-09-13 TW TW099130824A patent/TWI449146B/zh active
- 2010-10-18 CN CN2010105147536A patent/CN102074547A/zh active Pending
- 2010-10-18 CN CN201610395613.9A patent/CN105957857A/zh active Pending
- 2010-10-29 JP JP2010243373A patent/JP5442580B2/ja active Active
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2014
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JP2011097061A (ja) | 2011-05-12 |
CN102074547A (zh) | 2011-05-25 |
CN105957857A (zh) | 2016-09-21 |
US9865536B2 (en) | 2018-01-09 |
US20110101493A1 (en) | 2011-05-05 |
TWI449146B (zh) | 2014-08-11 |
US8686536B2 (en) | 2014-04-01 |
US20140203396A1 (en) | 2014-07-24 |
TW201115709A (en) | 2011-05-01 |
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