JP4975618B2 - ショットキー接合を有するデバイス - Google Patents
ショットキー接合を有するデバイス Download PDFInfo
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- JP4975618B2 JP4975618B2 JP2007519217A JP2007519217A JP4975618B2 JP 4975618 B2 JP4975618 B2 JP 4975618B2 JP 2007519217 A JP2007519217 A JP 2007519217A JP 2007519217 A JP2007519217 A JP 2007519217A JP 4975618 B2 JP4975618 B2 JP 4975618B2
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- 239000002019 doping agent Substances 0.000 claims 2
- 239000012535 impurity Substances 0.000 description 27
- 238000000034 method Methods 0.000 description 19
- 229910021332 silicide Inorganic materials 0.000 description 15
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 description 15
- 239000000758 substrate Substances 0.000 description 15
- 230000015572 biosynthetic process Effects 0.000 description 11
- 239000004065 semiconductor Substances 0.000 description 7
- 238000005468 ion implantation Methods 0.000 description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 230000005684 electric field Effects 0.000 description 5
- 229910052710 silicon Inorganic materials 0.000 description 5
- 239000010703 silicon Substances 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 125000006850 spacer group Chemical group 0.000 description 4
- 230000015556 catabolic process Effects 0.000 description 3
- 238000002955 isolation Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 229910052796 boron Inorganic materials 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- JBRZTFJDHDCESZ-UHFFFAOYSA-N AsGa Chemical compound [As]#[Ga] JBRZTFJDHDCESZ-UHFFFAOYSA-N 0.000 description 1
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 1
- 239000013590 bulk material Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000779 depleting effect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 229920005591 polysilicon Polymers 0.000 description 1
- 229910052594 sapphire Inorganic materials 0.000 description 1
- 239000010980 sapphire Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Images
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
- H01L29/66007—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
- H01L29/66143—Schottky 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
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/80—Field effect transistors with field effect produced by a PN or other rectifying junction gate, i.e. potential-jump barrier
-
- 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
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/80—Field effect transistors with field effect produced by a PN or other rectifying junction gate, i.e. potential-jump barrier
- H01L29/812—Field effect transistors with field effect produced by a PN or other rectifying junction gate, i.e. potential-jump barrier with a Schottky gate
-
- 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
- H01L29/872—Schottky diodes
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Ceramic Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Manufacturing & Machinery (AREA)
- Electrodes Of Semiconductors (AREA)
Description
Claims (4)
- 導電層に接続された第1端子と、前記導電層の第1の部分はショットキー接合であることと、
前記ショットキー接合の下にある第1導電型の第1領域と、前記第1領域の第1の部分は前記ショットキー接合の直下にあることと、
前記第1領域の下にあり、第2導電型である第2領域と、前記第2領域の第1の部分は前記第1領域の第1の部分の直下にあることと、前記第2導電型は前記第1導電型と反対のものであることと、
前記第2領域の下にあり、前記第1導電型である第3領域と、前記第3領域の第1の部分は前記第2領域の直下にあることと、
前記第1領域の上方にあり前記第1領域及び前記第3領域に電気接続されている第2端子と、
前記第1領域と水平方向にて隣接し、第2導電型である第4領域と、前記第4領域は前記第1端子に電気接続されていることと、前記第4領域の第1の部分は前記第2領域と水平方向にて隣接していることと、前記第2領域は前記第4領域の接続領域を介して前記導電層に電気接続されていることと、前記第4領域の接続領域は前記第4領域のうちの他の部分よりも高いドーパント濃度を有していることと、
前記第4領域が、前記第1領域に向かって分枝して延びる部分をさらに有することで前記第1領域と前記第4領域が互いに交互に配列されるために、前記第1領域は第1の交互配列構造からなり、前記第4領域は第2の交互配列構造からなることとからなる、デバイス。 - 前記第1領域と第2領域は、第1の方向を指向する第1の界面をなし、前記第1領域と第4領域は、第2の方向を指向する第2の界面をなし、前記第1の方向と第2の方向はほぼ直交している、請求項1に記載のデバイス。
- 前記第1領域と第4領域は第3の方向を指向する第3の界面をなし、前記第3の方向と第1の方向はほぼ直交し、前記第3の方向と第2の方向はほぼ直交している、請求項2に記載のデバイス。
- 導電層に接続されている第1端子と、前記導電層の第1の部分はショットキー接合であることと、
前記ショットキー接合の下にある第1導電型の第1領域と、前記第1領域の第1の部分は前記ショットキー接合の直下にあることと、
前記第1領域の前記第1の部分の直下にあり、第2導電型である第2領域と、前記第2導電型は前記第1導電型と反対のものであることと、
前記第2領域の直下にあり、前記第1導電型である第3領域と、
前記第1領域の上方にあり前記第1領域及び前記第3領域に電気接続されている第2端子と、
前記第1領域と水平方向にて隣接し、第2導電型である第4領域と、前記第4領域は前記第1端子に電気接続されていることと、前記第4領域の第1の部分は前記第2領域と水平方向にて隣接していることと、前記第2領域は前記第4領域の接続領域を介して前記導電層に電気接続されていることと、前記第4領域の接続領域は前記第4領域のうちの他の部分よりも高いドーパント濃度を有していることと、
前記第4領域が、前記第1領域に向かって分枝して延びる部分をさらに有することで前記第1領域と前記第4領域が互いに交互に配列されるために、前記第1領域は第1の交互配列構造からなり、前記第4領域は第2の交互配列構造からなることとからなる、デバイス。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/881,678 | 2004-06-30 | ||
US10/881,678 US7355260B2 (en) | 2004-06-30 | 2004-06-30 | Schottky device and method of forming |
PCT/US2005/017704 WO2006007143A2 (en) | 2004-06-30 | 2005-05-19 | Schottky device and method of forming |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2008505487A JP2008505487A (ja) | 2008-02-21 |
JP2008505487A5 JP2008505487A5 (ja) | 2008-07-10 |
JP4975618B2 true JP4975618B2 (ja) | 2012-07-11 |
Family
ID=35512975
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007519217A Active JP4975618B2 (ja) | 2004-06-30 | 2005-05-19 | ショットキー接合を有するデバイス |
Country Status (6)
Country | Link |
---|---|
US (1) | US7355260B2 (ja) |
JP (1) | JP4975618B2 (ja) |
KR (1) | KR20070026690A (ja) |
CN (1) | CN100576569C (ja) |
TW (1) | TWI358835B (ja) |
WO (1) | WO2006007143A2 (ja) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6704143B1 (en) | 2000-10-23 | 2004-03-09 | Adc Telecommunications, Inc. | Method and apparatus for adjusting an optical element to achieve a precise length |
US7550804B2 (en) | 2006-03-27 | 2009-06-23 | Freescale Semiconductor, Inc. | Semiconductor device and method for forming the same |
US7777257B2 (en) * | 2007-02-14 | 2010-08-17 | Freescale Semiconductor, Inc. | Bipolar Schottky diode and method |
US8168466B2 (en) * | 2007-06-01 | 2012-05-01 | Semiconductor Components Industries, Llc | Schottky diode and method therefor |
US7781859B2 (en) * | 2008-03-24 | 2010-08-24 | Taiwan Semiconductor Manufacturing Company, Ltd. | Schottky diode structures having deep wells for improving breakdown voltages |
US8324705B2 (en) * | 2008-05-27 | 2012-12-04 | Taiwan Semiconductor Manufacturing Company, Ltd. | Schottky diodes having low-voltage and high-concentration rings |
US7915704B2 (en) * | 2009-01-26 | 2011-03-29 | Freescale Semiconductor, Inc. | Schottky diode |
US7972913B2 (en) * | 2009-05-28 | 2011-07-05 | Freescale Semiconductor, Inc. | Method for forming a Schottky diode |
CN102347373B (zh) * | 2010-08-03 | 2013-04-17 | 旺宏电子股份有限公司 | 肖特基二极管 |
US8878329B2 (en) * | 2010-09-17 | 2014-11-04 | United Microelectronics Corp. | High voltage device having Schottky diode |
CN102842596B (zh) * | 2011-06-22 | 2015-05-20 | 旺宏电子股份有限公司 | 半导体结构及其制造方法 |
JP6087520B2 (ja) * | 2011-07-13 | 2017-03-01 | キヤノン株式会社 | ダイオード素子及び検出素子 |
US8592274B2 (en) * | 2012-03-27 | 2013-11-26 | Alpha And Omega Semiconductor Incorporated | LDMOS with accumulation enhancement implant |
EP3460856B1 (en) * | 2017-09-26 | 2020-12-02 | ams AG | Schottky barrier diode with improved schottky contact for high voltages |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6050062B2 (ja) * | 1982-03-19 | 1985-11-06 | 三菱電機株式会社 | 半導体集積回路装置 |
JPS5936264U (ja) * | 1982-07-27 | 1984-03-07 | サンケン電気株式会社 | シヨツトキバリア半導体装置 |
JPS61296760A (ja) * | 1985-06-26 | 1986-12-27 | Hitachi Ltd | 半導体装置 |
US4989058A (en) | 1985-11-27 | 1991-01-29 | North American Philips Corp. | Fast switching lateral insulated gate transistors |
US5614755A (en) | 1993-04-30 | 1997-03-25 | Texas Instruments Incorporated | High voltage Shottky diode |
US5483087A (en) | 1994-07-08 | 1996-01-09 | International Rectifier Corporation | Bidirectional thyristor with MOS turn-off capability with a single gate |
US5818084A (en) | 1996-05-15 | 1998-10-06 | Siliconix Incorporated | Pseudo-Schottky diode |
US6784489B1 (en) * | 1997-03-28 | 2004-08-31 | Stmicroelectronics, Inc. | Method of operating a vertical DMOS transistor with schottky diode body structure |
JP2001185740A (ja) * | 1999-12-24 | 2001-07-06 | Sanyo Electric Co Ltd | 半導体装置とその製造方法 |
US6617642B1 (en) * | 2000-02-23 | 2003-09-09 | Tripath Technology, Inc. | Field effect transistor structure for driving inductive loads |
US6552406B1 (en) | 2000-10-03 | 2003-04-22 | International Business Machines Corporation | SiGe transistor, varactor and p-i-n velocity saturated ballasting element for BiCMOS peripheral circuits and ESD networks |
JP4097417B2 (ja) | 2001-10-26 | 2008-06-11 | 株式会社ルネサステクノロジ | 半導体装置 |
JP4277496B2 (ja) * | 2001-11-21 | 2009-06-10 | 富士電機デバイステクノロジー株式会社 | 半導体装置 |
-
2004
- 2004-06-30 US US10/881,678 patent/US7355260B2/en active Active
-
2005
- 2005-05-19 CN CN200580021992A patent/CN100576569C/zh not_active Expired - Fee Related
- 2005-05-19 WO PCT/US2005/017704 patent/WO2006007143A2/en active Application Filing
- 2005-05-19 KR KR1020067027790A patent/KR20070026690A/ko not_active Application Discontinuation
- 2005-05-19 JP JP2007519217A patent/JP4975618B2/ja active Active
- 2005-06-15 TW TW094119834A patent/TWI358835B/zh not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
CN100576569C (zh) | 2009-12-30 |
TWI358835B (en) | 2012-02-21 |
CN1977389A (zh) | 2007-06-06 |
JP2008505487A (ja) | 2008-02-21 |
WO2006007143A3 (en) | 2006-04-06 |
KR20070026690A (ko) | 2007-03-08 |
TW200614520A (en) | 2006-05-01 |
US7355260B2 (en) | 2008-04-08 |
US20060001057A1 (en) | 2006-01-05 |
WO2006007143A2 (en) | 2006-01-19 |
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