JP2009515330A - 電気的プログラム可能ヒューズおよびその製造方法 - Google Patents
電気的プログラム可能ヒューズおよびその製造方法 Download PDFInfo
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 84
- 238000000034 method Methods 0.000 claims abstract description 131
- 239000000758 substrate Substances 0.000 claims abstract description 105
- 229910021332 silicide Inorganic materials 0.000 claims abstract description 72
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 claims abstract description 72
- 239000004065 semiconductor Substances 0.000 claims abstract description 26
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 123
- 229920005591 polysilicon Polymers 0.000 claims description 123
- 238000002513 implantation Methods 0.000 claims description 75
- 230000008569 process Effects 0.000 claims description 23
- 229910052710 silicon Inorganic materials 0.000 claims description 12
- 239000010703 silicon Substances 0.000 claims description 12
- 230000008878 coupling Effects 0.000 claims 2
- 238000010168 coupling process Methods 0.000 claims 2
- 238000005859 coupling reaction Methods 0.000 claims 2
- 125000006850 spacer group Chemical group 0.000 description 37
- 239000012535 impurity Substances 0.000 description 36
- 125000004429 atom Chemical group 0.000 description 35
- 229920002120 photoresistant polymer Polymers 0.000 description 31
- 239000002019 doping agent Substances 0.000 description 20
- 239000007943 implant Substances 0.000 description 20
- 150000004767 nitrides Chemical class 0.000 description 20
- 238000005229 chemical vapour deposition Methods 0.000 description 18
- 239000000463 material Substances 0.000 description 15
- 238000001020 plasma etching Methods 0.000 description 14
- 239000004020 conductor Substances 0.000 description 12
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 11
- 238000009792 diffusion process Methods 0.000 description 11
- 230000006870 function Effects 0.000 description 9
- 238000000137 annealing Methods 0.000 description 8
- 230000015572 biosynthetic process Effects 0.000 description 8
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 8
- 238000000059 patterning Methods 0.000 description 7
- 239000011810 insulating material Substances 0.000 description 5
- 238000005530 etching Methods 0.000 description 4
- 229910052581 Si3N4 Inorganic materials 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 3
- 238000000151 deposition Methods 0.000 description 3
- 230000008021 deposition Effects 0.000 description 3
- 239000003989 dielectric material Substances 0.000 description 3
- 125000005843 halogen group Chemical group 0.000 description 3
- 230000000873 masking effect Effects 0.000 description 3
- 238000000206 photolithography Methods 0.000 description 3
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 230000005012 migration Effects 0.000 description 2
- 238000013508 migration Methods 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 229910052814 silicon oxide Inorganic materials 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 229910019001 CoSi Inorganic materials 0.000 description 1
- 229910005881 NiSi 2 Inorganic materials 0.000 description 1
- 229910008484 TiSi Inorganic materials 0.000 description 1
- 230000035876 healing Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000008672 reprogramming Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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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
- H01L23/58—Structural electrical arrangements for semiconductor devices not otherwise provided for, e.g. in combination with batteries
- H01L23/62—Protection against overvoltage, e.g. fuses, shunts
-
- 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
- H01L23/5252—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 anti-fuses, i.e. connections having their state changed from non-conductive to 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
- H01L23/525—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
-
- 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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- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Design And Manufacture Of Integrated Circuits (AREA)
- Semiconductor Memories (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
- Electrodes Of Semiconductors (AREA)
- Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
- Semiconductor Integrated Circuits (AREA)
Abstract
【解決手段】 電気的プログラム可能ヒューズ(eヒューズ(eFuse))は、基板の絶縁酸化物層の上の(1)半導体層、この半導体層に形成された(2)ダイオード、および、ダイオード上に形成された(3)シリサイド層を含む。ダイオードは、N+、p−、P+、またはP+、n−、N+構造を含む。
【選択図】 図10
Description
Claims (16)
- 電気的プログラム可能ヒューズであって、
基板の絶縁酸化物層の上の半導体層と、
前記半導体層に形成されたダイオード(400)であって、第1の極性を有する第1の高ドーピング領域、第2の逆の極性を有する第2の高ドーピング領域、および、前記第1および第2の高ドーピング領域間の低ドーピング領域を含む、ダイオードと、
を含み、更に、前記ダイオードの上に形成されたシリサイド層を含む、電気的プログラム可能ヒューズ。 - 前記第2の高ドーピング領域の縁部の位置が前記第1の高ドーピング領域の縁部の位置に基づいている、請求項1に記載の電気的プログラム可能ヒューズ。
- 前記ダイオードの第1の部分がカソードを形成し、
前記ダイオードの第2の部分がアノードを形成し、
前記アノードよりも負の電圧を前記カソードに印加した場合、前記ダイオードは前記シリサイド層にギャップを形成するように適合されており、これによって、前記第1の高ドーピング領域が前記低ドーピング領域に結合する前記ダイオードの部分を露出させ、これによって前記電気的プログラム可能ヒューズをプログラムする、請求項1に記載の電気的プログラム可能ヒューズ。 - 前記ダイオードが、逆バイアスがかかると所定の抵抗を与えるように更に適合されている、請求項3に記載の電気的プログラム可能ヒューズ。
- 前記ダイオードが、逆バイアスがかかると前記電気的プログラム可能ヒューズを通る電流を所定の値に制限するように更に適合されている、請求項4に記載の電気的プログラム可能ヒューズ。
- 前記ダイオードが、
N+ドーピング領域と、
前記N+ドーピング領域に結合されたP−ドーピング領域と、
前記P−ドーピング領域に結合されたP+ドーピング領域と、
を含む、請求項1に記載の電気的プログラム可能ヒューズ。 - 前記ダイオードが、
P+ドーピング領域と、
前記P+ドーピング領域に結合されたN−ドーピング領域と、
前記N−ドーピング領域に結合されたN+ドーピング領域と、
を含む、請求項1に記載の電気的プログラム可能ヒューズ。 - 前記半導体層がポリシリコンを含む、請求項1に記載の電気的プログラム可能ヒューズ。
- 前記半導体層がシリコンを含む、請求項1に記載の電気的プログラム可能ヒューズ。
- 電気的プログラム可能ヒューズを製造する方法であって、
絶縁酸化物層と該絶縁酸化物層の上の半導体層とを含む基板を設けることと、
前記半導体層にダイオードを形成することと、
前記ダイオードの上にシリサイド層を形成することと、
を含み、前記半導体層に前記ダイオードを形成することが、
前記半導体層に、第1の極性を有する第1の高ドーピング領域を形成することと、
前記半導体層に、第2の逆の極性を有する第2の高ドーピング領域を形成することと、
前記半導体層に、前記第1および第2の高ドーピング領域間に低ドーピング領域を形成することと、
を含む、方法。 - 前記第2の高ドーピング領域を形成することが、前記第2の高ドーピング領域の縁部を、前記第1の高ドーピング領域の縁部の位置に基づいて位置付けることを含む、請求項10に記載の方法。
- 前記ダイオードの第1の部分がカソードを形成し、
前記ダイオードの第2の部分がアノードを形成し、
前記アノードよりも負の電圧を前記カソードに印加した場合、前記ダイオードは前記シリサイド層にギャップを形成するように適合されており、これによって、前記第1の高ドーピング領域が前記低ドーピング領域に結合する前記ダイオードの部分を露出させ、これによって前記電気的プログラム可能ヒューズをプログラムする、請求項10に記載の方法。 - 前記第1の高ドーピング領域を形成することがN+領域を形成することを含み、
前記第2の高ドーピング領域を形成することがP+領域を形成することを含み、
前記低ドーピング領域を形成することがP−領域を形成することを含む、請求項10に記載の方法。 - 前記第1の高ドーピング領域を形成することがP+領域を形成することを含み、
前記第2の高ドーピング領域を形成することがN+領域を形成することを含み、
前記低ドーピング領域を形成することがN−領域を形成することを含む、請求項10に記載の方法。 - 前記第1の高ドーピング領域を形成することが、第1の注入プロセスを用いて前記第1の高ドーピング領域を形成することを含み、
前記第2の高ドーピング領域を形成することが、第2の注入プロセスを用いて前記第2の高ドーピング領域を形成することを含み、
前記低ドーピング領域を形成することが、第3の注入プロセスを用いて前記低ドーピング領域を形成することを含む、請求項10に記載の方法。 - 前記第1の高ドーピング領域を形成することが、第1の注入プロセスを用いて前記第1の高ドーピング領域を形成することを含み、
前記第2の高ドーピング領域を形成することおよび前記低ドーピング領域を形成することが、第2の注入プロセスを用いて前記第2の高ドーピング領域および前記低ドーピング領域を形成することを含む、請求項10に記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/266,740 | 2005-11-03 | ||
US11/266,740 US7659168B2 (en) | 2005-11-03 | 2005-11-03 | eFuse and methods of manufacturing the same |
PCT/EP2006/067883 WO2007051765A2 (en) | 2005-11-03 | 2006-10-27 | Electrically programmable fuse |
Publications (2)
Publication Number | Publication Date |
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JP2009515330A true JP2009515330A (ja) | 2009-04-09 |
JP5226524B2 JP5226524B2 (ja) | 2013-07-03 |
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Application Number | Title | Priority Date | Filing Date |
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JP2008538343A Active JP5226524B2 (ja) | 2005-11-03 | 2006-10-27 | 電気的プログラム可能ヒューズおよびその製造方法 |
Country Status (9)
Country | Link |
---|---|
US (1) | US7659168B2 (ja) |
EP (1) | EP1946371B1 (ja) |
JP (1) | JP5226524B2 (ja) |
KR (1) | KR20080064149A (ja) |
CN (1) | CN101300677B (ja) |
AT (1) | ATE490555T1 (ja) |
DE (1) | DE602006018643D1 (ja) |
TW (1) | TWI392082B (ja) |
WO (1) | WO2007051765A2 (ja) |
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US9293414B2 (en) | 2013-06-26 | 2016-03-22 | Globalfoundries Inc. | Electronic fuse having a substantially uniform thermal profile |
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CN104425446B (zh) * | 2013-08-20 | 2017-12-29 | 中芯国际集成电路制造(上海)有限公司 | 电熔丝结构及其使用方法 |
CN105308754B (zh) * | 2013-12-12 | 2018-02-13 | 富士电机株式会社 | 半导体装置及其制造方法 |
CN105470238A (zh) * | 2014-09-09 | 2016-04-06 | 中芯国际集成电路制造(上海)有限公司 | 一种电可编程熔丝器件、集成电路和电子装置 |
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-
2005
- 2005-11-03 US US11/266,740 patent/US7659168B2/en active Active
-
2006
- 2006-10-27 AT AT06819175T patent/ATE490555T1/de not_active IP Right Cessation
- 2006-10-27 WO PCT/EP2006/067883 patent/WO2007051765A2/en active Application Filing
- 2006-10-27 JP JP2008538343A patent/JP5226524B2/ja active Active
- 2006-10-27 DE DE602006018643T patent/DE602006018643D1/de active Active
- 2006-10-27 CN CN2006800408796A patent/CN101300677B/zh not_active Expired - Fee Related
- 2006-10-27 KR KR1020087010994A patent/KR20080064149A/ko not_active Application Discontinuation
- 2006-10-27 EP EP06819175A patent/EP1946371B1/en active Active
- 2006-11-01 TW TW095140404A patent/TWI392082B/zh not_active IP Right Cessation
Also Published As
Publication number | Publication date |
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EP1946371B1 (en) | 2010-12-01 |
KR20080064149A (ko) | 2008-07-08 |
WO2007051765A2 (en) | 2007-05-10 |
WO2007051765A3 (en) | 2007-06-28 |
CN101300677B (zh) | 2010-05-19 |
DE602006018643D1 (de) | 2011-01-13 |
EP1946371A2 (en) | 2008-07-23 |
US7659168B2 (en) | 2010-02-09 |
CN101300677A (zh) | 2008-11-05 |
TW200733350A (en) | 2007-09-01 |
ATE490555T1 (de) | 2010-12-15 |
JP5226524B2 (ja) | 2013-07-03 |
US20070099326A1 (en) | 2007-05-03 |
TWI392082B (zh) | 2013-04-01 |
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