JP2009135493A - 静電気放電保護素子及びその製造方法 - Google Patents
静電気放電保護素子及びその製造方法 Download PDFInfo
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- JP2009135493A JP2009135493A JP2008295343A JP2008295343A JP2009135493A JP 2009135493 A JP2009135493 A JP 2009135493A JP 2008295343 A JP2008295343 A JP 2008295343A JP 2008295343 A JP2008295343 A JP 2008295343A JP 2009135493 A JP2009135493 A JP 2009135493A
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- epi layer
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 16
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000005468 ion implantation Methods 0.000 claims abstract description 21
- 239000000758 substrate Substances 0.000 claims abstract description 15
- 238000002955 isolation Methods 0.000 claims abstract description 8
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 2
- 229910052698 phosphorus Inorganic materials 0.000 claims description 2
- 239000011574 phosphorus Substances 0.000 claims description 2
- 230000006866 deterioration Effects 0.000 abstract 1
- 230000002401 inhibitory effect Effects 0.000 abstract 1
- 230000007423 decrease Effects 0.000 description 4
- 230000003071 parasitic effect Effects 0.000 description 4
- 238000009792 diffusion process Methods 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having at least one potential-jump barrier or surface barrier; including integrated passive circuit elements with at least one potential-jump barrier or surface barrier
- H01L27/0203—Particular design considerations for integrated circuits
- H01L27/0248—Particular design considerations for integrated circuits for electrical or thermal protection, e.g. electrostatic discharge [ESD] protection
- H01L27/0251—Particular design considerations for integrated circuits for electrical or thermal protection, e.g. electrostatic discharge [ESD] protection for MOS devices
- H01L27/0266—Particular design considerations for integrated circuits for electrical or thermal protection, e.g. electrostatic discharge [ESD] protection for MOS devices using field effect transistors as protective elements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/14—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation
- H01L27/144—Devices controlled by radiation
- H01L27/146—Imager structures
- H01L27/14601—Structural or functional details thereof
- H01L27/14603—Special geometry or disposition of pixel-elements, address-lines or gate-electrodes
Abstract
【解決手段】基板上に形成された第2導電型エピ層120と、第2導電型エピ層120の上部の一部領域に形成された第2導電型ウェル140と、第2導電型エピ層120と第2導電型ウェル140の境界に形成された第1導電型ウェル150と、第2導電型エピ層120の上側に形成された複数の素子分離膜160によって定義された複数のアクティブ領域と、アクティブ領域に形成されたトランジスタ170とイオン注入領域180を含む。
【選択図】図3
Description
Claims (13)
- 基板上に形成された第2導電型エピ層と、前記第2導電型エピ層の上部の一部領域に形成された第2導電型ウェルと、前記第2導電型エピ層と前記第2導電型ウェルの境界に形成された第1導電型ウェルと、前記第2導電型エピ層の上側に形成された複数の素子分離膜によって定義された複数のアクティブ領域と、前記アクティブ領域に形成されたトランジスタとイオン注入領域と、を含むことを特徴とする静電気放電保護素子。
- 前記第2導電型ウェルと水平に配列されるように、前記第2導電型エピ層の上部の他の領域に形成された第1導電型ウェルと、前記第1導電型ウェルに対するイオン注入領域と繋がるVDDを更に含むことを特徴とする請求項1に記載の静電気放電保護素子。
- 前記エピ層の厚さが4μm以下であり、前記第1導電型ウェルは、1μmないし2μmの深さに形成されたことを特徴とする請求項1に記載の静電気放電保護素子。
- 前記エピ層の厚さが4μm以下であり、前記第1導電型ウェルは、1μmないし2μmの深さに形成されたことを特徴とする請求項2に記載の静電気放電保護素子。
- 前記第1導電型ウェルの濃度が1E17〜1E18/cm3であることを特徴とする請求項1に記載の静電気放電保護素子。
- 前記第1導電型ウェルの濃度が1E17〜1E18/cm3であることを特徴とする請求項2に記載の静電気放電保護素子。
- 基板上に第2導電型エピ層を形成する工程と、前記第2導電型エピ層の上部の一部領域に第2導電型ウェルを形成する工程と、前記第2導電型エピ層と前記第2導電型ウェルの境界に第1導電型ウェルを形成する工程と、前記第2導電型エピ層の上側に複数の素子分離膜を形成して複数のアクティブ領域を定義する工程と、前記アクティブ領域にトランジスタを形成してイオン注入を行う工程と、を含むことを特徴とする静電気放電保護素子の製造方法。
- 前記第2導電型ウェルと水平に配列されるように、前記第2導電型エピ層の上部の他の領域に第1導電型ウェルを形成する工程と、前記第1導電型ウェルに対するイオン注入領域と繋がるVDDを形成する工程を更に含むことを特徴とする請求項7に記載の静電気放電保護素子の製造方法。
- 前記第2導電型ウェルを形成する工程の後に、前記第1導電型ウェルを形成する工程を行うことを特徴とする請求項7に記載の静電気放電保護素子の製造方法。
- 前記第2導電型ウェルを形成する工程の前に、前記第1導電型ウェルを形成する工程を行うことを特徴とする請求項7に記載の静電気放電保護素子の製造方法。
- 前記エピ層の厚さが4μm以下であり、前記第1導電型ウェルは、1μmないし2μmの深さに形成されることを特徴とする請求項7に記載の静電気放電保護素子の製造方法。
- 前記第1導電型ウェルを形成する工程は、ドーズは燐にして、エネルギーは約1.0MeV〜2.0MeVで形成することを特徴とする請求項7に記載の静電気放電保護素子の製造方法。
- 前記第1導電型ウェルを形成する工程は、ドーズの濃度を約1.0E13〜5E13/cm2で行うことを特徴とする請求項7に記載の静電気放電保護素子の製造方法。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020070123254A KR100959438B1 (ko) | 2007-11-30 | 2007-11-30 | 정전기방전 보호소자 및 그 제조방법 |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2009135493A true JP2009135493A (ja) | 2009-06-18 |
Family
ID=40674854
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008295343A Pending JP2009135493A (ja) | 2007-11-30 | 2008-11-19 | 静電気放電保護素子及びその製造方法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US20090140339A1 (ja) |
JP (1) | JP2009135493A (ja) |
KR (1) | KR100959438B1 (ja) |
CN (1) | CN101447498B (ja) |
DE (1) | DE102008059581A1 (ja) |
TW (1) | TW200924164A (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101128897B1 (ko) | 2010-01-11 | 2012-03-27 | 매그나칩 반도체 유한회사 | 반도체 장치 |
TWI463631B (zh) * | 2011-11-17 | 2014-12-01 | Ind Tech Res Inst | 靜電放電保護裝置及其方法 |
US8716097B2 (en) * | 2012-08-13 | 2014-05-06 | Texas Instruments Incorporated | MOS transistors having reduced leakage well-substrate junctions |
CN106206565B (zh) * | 2015-05-08 | 2019-04-23 | 创意电子股份有限公司 | 二极管与二极管串电路 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11289050A (ja) * | 1998-03-31 | 1999-10-19 | Oki Electric Ind Co Ltd | 半導体装置 |
JP2001291779A (ja) * | 2000-04-05 | 2001-10-19 | Mitsubishi Electric Corp | 半導体装置およびその製造方法 |
JP2003178994A (ja) * | 2002-10-09 | 2003-06-27 | Sharp Corp | 半導体装置の製造方法 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5156989A (en) * | 1988-11-08 | 1992-10-20 | Siliconix, Incorporated | Complementary, isolated DMOS IC technology |
US5925637A (en) * | 1997-05-15 | 1999-07-20 | Bayer Corporation | Inhibition of matrix metalloproteases by substituted biaryl oxobutyric acids |
US6900091B2 (en) * | 2002-08-14 | 2005-05-31 | Advanced Analogic Technologies, Inc. | Isolated complementary MOS devices in epi-less substrate |
KR100645039B1 (ko) * | 2003-12-15 | 2006-11-10 | 삼성전자주식회사 | 정전기 방전 보호 소자 및 그 제조방법 |
US7101748B2 (en) * | 2004-02-26 | 2006-09-05 | Taiwan Semiconductor Manufacturing Company | Method of integrating the formation of a shallow junction N channel device with the formation of P channel, ESD and input/output devices |
TWI229933B (en) * | 2004-06-25 | 2005-03-21 | Novatek Microelectronics Corp | High voltage device for electrostatic discharge protective circuit and high voltage device |
US7285828B2 (en) | 2005-01-12 | 2007-10-23 | Intersail Americas Inc. | Electrostatic discharge protection device for digital circuits and for applications with input/output bipolar voltage much higher than the core circuit power supply |
US7221036B1 (en) | 2005-05-16 | 2007-05-22 | National Semiconductor Corporation | BJT with ESD self protection |
KR100718997B1 (ko) * | 2006-02-13 | 2007-05-16 | 엘지전자 주식회사 | 정전기방전 보호회로. |
US7656003B2 (en) * | 2006-08-25 | 2010-02-02 | Hvvi Semiconductors, Inc | Electrical stress protection apparatus and method of manufacture |
-
2007
- 2007-11-30 KR KR1020070123254A patent/KR100959438B1/ko not_active IP Right Cessation
-
2008
- 2008-10-28 US US12/259,580 patent/US20090140339A1/en not_active Abandoned
- 2008-11-05 TW TW097142760A patent/TW200924164A/zh unknown
- 2008-11-19 JP JP2008295343A patent/JP2009135493A/ja active Pending
- 2008-11-28 DE DE102008059581A patent/DE102008059581A1/de not_active Ceased
- 2008-11-28 CN CN2008101819344A patent/CN101447498B/zh not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11289050A (ja) * | 1998-03-31 | 1999-10-19 | Oki Electric Ind Co Ltd | 半導体装置 |
JP2001291779A (ja) * | 2000-04-05 | 2001-10-19 | Mitsubishi Electric Corp | 半導体装置およびその製造方法 |
JP2003178994A (ja) * | 2002-10-09 | 2003-06-27 | Sharp Corp | 半導体装置の製造方法 |
Also Published As
Publication number | Publication date |
---|---|
CN101447498A (zh) | 2009-06-03 |
TW200924164A (en) | 2009-06-01 |
KR20090056199A (ko) | 2009-06-03 |
KR100959438B1 (ko) | 2010-05-25 |
DE102008059581A1 (de) | 2009-09-24 |
US20090140339A1 (en) | 2009-06-04 |
CN101447498B (zh) | 2011-03-23 |
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