JP5073933B2 - 半導体装置及びその製造方法 - Google Patents
半導体装置及びその製造方法 Download PDFInfo
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- JP5073933B2 JP5073933B2 JP2005280518A JP2005280518A JP5073933B2 JP 5073933 B2 JP5073933 B2 JP 5073933B2 JP 2005280518 A JP2005280518 A JP 2005280518A JP 2005280518 A JP2005280518 A JP 2005280518A JP 5073933 B2 JP5073933 B2 JP 5073933B2
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- 239000004065 semiconductor Substances 0.000 title claims description 40
- 238000004519 manufacturing process Methods 0.000 title claims description 20
- 238000009792 diffusion process Methods 0.000 claims description 110
- 239000012535 impurity Substances 0.000 claims description 30
- 238000000034 method Methods 0.000 claims description 14
- 238000005468 ion implantation Methods 0.000 claims description 7
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 230000001133 acceleration Effects 0.000 claims description 3
- 239000000758 substrate Substances 0.000 description 27
- 238000000206 photolithography Methods 0.000 description 9
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 8
- 229910052796 boron Inorganic materials 0.000 description 8
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 6
- 229920002120 photoresistant polymer Polymers 0.000 description 6
- -1 aluminum-silicon-copper Chemical compound 0.000 description 5
- 230000004888 barrier function Effects 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 4
- 229910052721 tungsten Inorganic materials 0.000 description 4
- 239000010937 tungsten Substances 0.000 description 4
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 230000000994 depressogenic effect Effects 0.000 description 3
- 229910052698 phosphorus Inorganic materials 0.000 description 3
- 239000011574 phosphorus Substances 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 229910018594 Si-Cu Inorganic materials 0.000 description 2
- 229910008465 Si—Cu Inorganic materials 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000001312 dry etching Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- SLLGVCUQYRMELA-UHFFFAOYSA-N chlorosilicon Chemical compound Cl[Si] SLLGVCUQYRMELA-UHFFFAOYSA-N 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 239000005360 phosphosilicate glass Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/86—Types of semiconductor device ; Multistep manufacturing processes therefor controllable only by variation of the electric current supplied, or only the electric potential applied, to one or more of the electrodes carrying the current to be rectified, amplified, oscillated or switched
- H01L29/861—Diodes
- H01L29/866—Zener diodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/66007—Multistep manufacturing processes
- H01L29/66075—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials
- H01L29/66083—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials the devices being controllable only by variation of the electric current supplied or the electric potential applied, to one or more of the electrodes carrying the current to be rectified, amplified, oscillated or switched, e.g. two-terminal devices
- H01L29/6609—Diodes
- H01L29/66098—Breakdown diodes
- H01L29/66106—Zener diodes
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Ceramic Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Manufacturing & Machinery (AREA)
- Electrodes Of Semiconductors (AREA)
- Element Separation (AREA)
- Semiconductor Integrated Circuits (AREA)
- Bipolar Transistors (AREA)
Description
2 P型の単結晶シリコン基板
4 N型のエピタキシャル層
8 P型の拡散層
9 N型の拡散層
14 コンタクトホール
Claims (2)
- 半導体層にアノード拡散層を形成し、前記アノード拡散層の一部と形成領域を重畳させるようにカソード拡散層を形成する工程と、
前記半導体層上面に絶縁層を形成し、前記絶縁層にコンタクトホールを形成した後、前記カソード拡散層上の前記コンタクトホールが開口するように、前記絶縁層上にレジストマスクを形成する工程と、
前記開口したコンタクトホールを介して前記カソード拡散層にイオン注入を行い、前記カソード拡散層の底面及びその近傍領域に前記アノード拡散層の高不純物濃度領域を形成することを特徴とする半導体装置の製造方法。 - 前記高不純物濃度領域を形成する工程では、イオン注入される不純物が前記カソード拡散層を突き抜ける加速電圧であることを特徴とする請求項1に記載の半導体装置の製造方法。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005280518A JP5073933B2 (ja) | 2005-09-27 | 2005-09-27 | 半導体装置及びその製造方法 |
TW095114827A TWI299184B (en) | 2005-09-27 | 2006-04-26 | Semiconductor device and manufacturing method of the same |
CNB2006100941104A CN100505320C (zh) | 2005-09-27 | 2006-06-22 | 半导体装置及其制造方法 |
US11/512,617 US20070096261A1 (en) | 2005-09-27 | 2006-08-29 | Semiconductor device and manufacturing method thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005280518A JP5073933B2 (ja) | 2005-09-27 | 2005-09-27 | 半導体装置及びその製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007095826A JP2007095826A (ja) | 2007-04-12 |
JP5073933B2 true JP5073933B2 (ja) | 2012-11-14 |
Family
ID=37959360
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005280518A Active JP5073933B2 (ja) | 2005-09-27 | 2005-09-27 | 半導体装置及びその製造方法 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20070096261A1 (ja) |
JP (1) | JP5073933B2 (ja) |
CN (1) | CN100505320C (ja) |
TW (1) | TWI299184B (ja) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7772581B2 (en) * | 2006-09-11 | 2010-08-10 | Macronix International Co., Ltd. | Memory device having wide area phase change element and small electrode contact area |
US7638857B2 (en) * | 2008-05-07 | 2009-12-29 | United Microelectronics Corp. | Structure of silicon controlled rectifier |
FR2953062B1 (fr) * | 2009-11-24 | 2011-12-16 | St Microelectronics Tours Sas | Diode de protection bidirectionnelle basse tension |
CN102280495B (zh) * | 2010-06-10 | 2014-04-09 | 北大方正集团有限公司 | 一种齐纳二极管及其制造方法 |
US9997510B2 (en) * | 2015-09-09 | 2018-06-12 | Vanguard International Semiconductor Corporation | Semiconductor device layout structure |
JP6838504B2 (ja) * | 2017-06-16 | 2021-03-03 | 富士電機株式会社 | 半導体装置および半導体回路装置 |
JP2024131044A (ja) * | 2023-03-15 | 2024-09-30 | ルネサスエレクトロニクス株式会社 | 半導体装置およびその製造方法 |
CN116469940A (zh) * | 2023-06-20 | 2023-07-21 | 西安矽源半导体有限公司 | 一种埋层齐纳二极管及其制造方法 |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3567684A (en) * | 1966-07-26 | 1971-03-02 | Du Pont | Amino-polyamide ester adhesive binders |
US4079402A (en) * | 1973-07-09 | 1978-03-14 | National Semiconductor Corporation | Zener diode incorporating an ion implanted layer establishing the breakdown point below the surface |
IT1009574B (it) * | 1974-01-21 | 1976-12-20 | Saipem Spa | Metodo perfezionato per il posizio namento di un natante in particola re di una nave di perforazione e relativi dispositvi |
US4177095A (en) * | 1977-02-25 | 1979-12-04 | National Semiconductor Corporation | Process for fabricating an integrated circuit subsurface zener diode utilizing conventional processing steps |
US4127859A (en) * | 1977-02-25 | 1978-11-28 | National Semiconductor Corporation | Integrated circuit subsurface zener diode |
US4213806A (en) * | 1978-10-05 | 1980-07-22 | Analog Devices, Incorporated | Forming an IC chip with buried zener diode |
US4771011A (en) * | 1984-05-09 | 1988-09-13 | Analog Devices, Incorporated | Ion-implanted process for forming IC wafer with buried-Zener diode and IC structure made with such process |
JPH01199477A (ja) * | 1988-02-04 | 1989-08-10 | Oki Electric Ind Co Ltd | ツエナーダイオードの製造方法 |
JPH0385771A (ja) * | 1989-08-30 | 1991-04-10 | New Japan Radio Co Ltd | 埋込ツェナーダイオードの製造方法 |
JP2817247B2 (ja) * | 1989-08-30 | 1998-10-30 | 日本電気株式会社 | 半導体装置 |
US5179030A (en) * | 1991-04-26 | 1993-01-12 | Unitrode Corporation | Method of fabricating a buried zener diode simultaneously with other semiconductor devices |
JPH06275851A (ja) * | 1993-03-18 | 1994-09-30 | Hitachi Ltd | ツェナーダイオード |
JP3148510B2 (ja) * | 1994-05-18 | 2001-03-19 | ローム株式会社 | ツェナーダイオード |
JP3144527B2 (ja) * | 1994-05-25 | 2001-03-12 | ローム株式会社 | 高濃度pn接合面を有する半導体装置の製造方法 |
US5756387A (en) * | 1994-12-30 | 1998-05-26 | Sgs-Thomson Microelectronics S.R.L. | Method for forming zener diode with high time stability and low noise |
JP2002299465A (ja) * | 2001-03-29 | 2002-10-11 | Toshiba Corp | 半導体装置 |
US20080258263A1 (en) * | 2007-04-20 | 2008-10-23 | Harry Yue Gee | High Current Steering ESD Protection Zener Diode And Method |
-
2005
- 2005-09-27 JP JP2005280518A patent/JP5073933B2/ja active Active
-
2006
- 2006-04-26 TW TW095114827A patent/TWI299184B/zh not_active IP Right Cessation
- 2006-06-22 CN CNB2006100941104A patent/CN100505320C/zh not_active Expired - Fee Related
- 2006-08-29 US US11/512,617 patent/US20070096261A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
TWI299184B (en) | 2008-07-21 |
JP2007095826A (ja) | 2007-04-12 |
CN100505320C (zh) | 2009-06-24 |
CN1941420A (zh) | 2007-04-04 |
US20070096261A1 (en) | 2007-05-03 |
TW200713434A (en) | 2007-04-01 |
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