KR100688041B1 - 개선된 c-v 선형성을 갖는 전압 가변 커패시터 - Google Patents
개선된 c-v 선형성을 갖는 전압 가변 커패시터 Download PDFInfo
- Publication number
- KR100688041B1 KR100688041B1 KR1020000085704A KR20000085704A KR100688041B1 KR 100688041 B1 KR100688041 B1 KR 100688041B1 KR 1020000085704 A KR1020000085704 A KR 1020000085704A KR 20000085704 A KR20000085704 A KR 20000085704A KR 100688041 B1 KR100688041 B1 KR 100688041B1
- Authority
- KR
- South Korea
- Prior art keywords
- layer
- capacitors
- voltage
- doped
- variable capacitor
- Prior art date
Links
- 239000003990 capacitor Substances 0.000 title claims abstract description 69
- 239000000758 substrate Substances 0.000 claims abstract description 31
- 239000004065 semiconductor Substances 0.000 claims abstract description 11
- 229910052751 metal Inorganic materials 0.000 claims description 33
- 239000002184 metal Substances 0.000 claims description 33
- 238000000151 deposition Methods 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 5
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 abstract description 4
- 239000010931 gold Substances 0.000 abstract description 4
- 229910052737 gold Inorganic materials 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 4
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 abstract description 3
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 abstract description 3
- 229910052726 zirconium Inorganic materials 0.000 abstract description 3
- 239000003989 dielectric material Substances 0.000 abstract 1
- 230000008878 coupling Effects 0.000 description 8
- 238000010168 coupling process Methods 0.000 description 8
- 238000005859 coupling reaction Methods 0.000 description 8
- 230000000903 blocking effect Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 239000011810 insulating material Substances 0.000 description 3
- 239000004020 conductor Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 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
- 230000015556 catabolic process Effects 0.000 description 1
- VNNRSPGTAMTISX-UHFFFAOYSA-N chromium nickel Chemical compound [Cr].[Ni] VNNRSPGTAMTISX-UHFFFAOYSA-N 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 1
- 229910001120 nichrome Inorganic materials 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 239000010409 thin film Substances 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
-
- 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 potential barriers; including integrated passive circuit elements having potential barriers
- H01L27/04—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 potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body
- H01L27/08—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 potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including only semiconductor components of a single kind
- H01L27/0805—Capacitors only
- H01L27/0808—Varactor diodes
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Ceramic Engineering (AREA)
- Semiconductor Integrated Circuits (AREA)
Abstract
Description
Claims (3)
- 전압 가변 커패시터에 있어서,표면을 규정하는 도핑된 층(42)을 포함하는 지지기판(41);상기 도핑된 층상에 위치되어 표면을 규정하는 절연층(45); 및제 1(47), 제 2(49), 및 제 3(51) 커패시터들을 규정하도록 상기 도핑된 층과 평행하게 상기 절연층의 표면상에 위치되고 상기 절연층에 의해 상기 도핑된 층으로부터 이격된 제 1(46), 제 2(48), 및 제 3(50) 도전성 세그먼트들로서, 상기 제 1, 제 2, 및 제 3 도전성 세그먼트들은 상기 제 1, 제 2 ,및 제 3 커패시터들의 외부 단자들을 규정하며, 상기 제 1, 제 2 및 제 3 커패시터들의 대향 단자들은 상기 도핑된 층을 통해 서로 결합되어 있는, 상기 제 1(46), 제 2(48), 및 제 3(50) 도전성 세그먼트들을 포함하는, 전압 가변 커패시터.
- 전압 가변 커패시터에 있어서,표면을 규정하는 도핑된 에피텍셜층(42)을 포함하는 반도체 기판(41);상기 도핑된 에피텍셜층 상에 위치되어 표면을 규정하는 고 유전율 절연층(45);제 1(47), 제 2(49), 및 제 3(51) 커패시터들을 규정하도록 상기 도핑된 에피텍셜층과 평행하게 상기 절연층의 표면상에 위치되고 상기 절연층에 의해 상기 도핑된 에피텍셜층으로부터 이격된 제 1(46), 제 2(48), 및 제 3(50) 금속 세그먼트들로서, 상기 제 1, 제 2, 및 제 3 금속 세그먼트들은 상기 제 1, 제 2, 및 제 3 커패시터들의 외부 단자들을 규정하며, 상기 제 1, 제 2, 및 제 3 커패시터들의 대향단자들은 상기 도핑된 에피텍셜층을 통해 서로 결합되어 있는, 상기 제 1, 제 2, 및 제 3 커패시터들;제 1 직렬회로의 상기 제 1 및 제 3 커패시터들을 제 1 가변 DC 전압과 접속하도록 상기 제 1 및 제 3 금속 세그먼트들에 결합되는 제 1 가변 DC 전압(55); 및제 2 직렬 회로의 상기 제 2 및 제 3 커패시터들을 제 2 가변 DC 전압과 접속하도록 상기 제 2 및 제 3 금속 세그먼트들에 결합되는 제 2 가변 DC 전압(55)을 포함하며,제 1 금속 세그먼트는 상기 전압 가변 커패시터에 대한 제 1 외부 단자를 규정하고, 상기 제 2 금속 세그먼트는 상기 전압 가변 커패시터에 대한 제 2 외부 단자를 규정하는, 전압 가변 커패시터.
- 전압 가변 커패시터를 제조하는 방법에 있어서,반도체 기판(41)을 제공하는 단계;기판을 규정하도록 상기 기판상에 도핑된 에피텍셜층(42)을 에피텍셜 성장시키는 단계;기판을 규정하도록 상기 도핑된 에피텍셜층의 표면상에 고 유전율 절연층(45)을 증착하는 단계; 및제 1(47), 제 2(49), 및 제 3(51) 커패시터들을 규정하도록 상기 도핑된 에피텍셜층과 평행하게 상기 절연층의 표면상에 위치되고 상기 절연층에 의해 상기 도핑된 에피텍셜층으로부터 이격된 제 1(46), 제 2(48), 및 제 3(50) 도전성 세그먼트들을 증착하는 단계로서, 상기 제 1, 제 2, 및 제 3 도전성 세그먼트들은 상기 제 1, 제 2, 및 제 3 커패시터들의 외부 단자들을 규정하고, 상기 제 1, 제 2, 및 제 3 커패시터들의 대향 단자들은 상기 도핑된 에피텍셜층을 통해 서로 결합되어 있는, 상기 제 1, 제 2, 및 제 3 도전성 세그먼트들을 증착하는 단계를 포함하고,상기 제 1 도전성 세그먼트는 상기 전압 가변 커패시터에 대해 제 1 외부 단자를 규정하고, 상기 제 2 도전성 세그먼트는 상기 전압 가변 커패시터에 대해 제 2 외부 단자를 규정하는, 전압 가변 커패시터 제조 방법.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/474,681 US6278158B1 (en) | 1999-12-29 | 1999-12-29 | Voltage variable capacitor with improved C-V linearity |
US09/474,681 | 1999-12-29 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20010062843A KR20010062843A (ko) | 2001-07-07 |
KR100688041B1 true KR100688041B1 (ko) | 2007-02-28 |
Family
ID=23884541
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020000085704A KR100688041B1 (ko) | 1999-12-29 | 2000-12-29 | 개선된 c-v 선형성을 갖는 전압 가변 커패시터 |
Country Status (5)
Country | Link |
---|---|
US (1) | US6278158B1 (ko) |
EP (1) | EP1113498A3 (ko) |
JP (1) | JP2001210550A (ko) |
KR (1) | KR100688041B1 (ko) |
CN (1) | CN1181511C (ko) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU2001257358A1 (en) * | 2000-05-02 | 2001-11-12 | Paratek Microwave, Inc. | Voltage tuned dielectric varactors with bottom electrodes |
US7151036B1 (en) * | 2002-07-29 | 2006-12-19 | Vishay-Siliconix | Precision high-frequency capacitor formed on semiconductor substrate |
JP2004523924A (ja) * | 2001-03-21 | 2004-08-05 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 電子デバイス |
DE10222764B4 (de) * | 2002-05-15 | 2011-06-01 | Ihp Gmbh - Innovations For High Performance Microelectronics / Leibniz-Institut Für Innovative Mikroelektronik | Halbleitervaraktor und damit aufgebauter Oszillator |
KR100528464B1 (ko) * | 2003-02-06 | 2005-11-15 | 삼성전자주식회사 | 스마트카드의 보안장치 |
JP4857531B2 (ja) | 2004-07-08 | 2012-01-18 | 三菱電機株式会社 | 半導体装置 |
US7547939B2 (en) * | 2005-11-23 | 2009-06-16 | Sensor Electronic Technology, Inc. | Semiconductor device and circuit having multiple voltage controlled capacitors |
US8115281B2 (en) * | 2008-05-20 | 2012-02-14 | Atmel Corporation | Differential varactor |
CN101975889A (zh) * | 2010-08-11 | 2011-02-16 | 上海宏力半导体制造有限公司 | 提取电容器的栅极串联电阻值或者泄露电阻值的方法 |
DE102014201640A1 (de) * | 2014-01-30 | 2015-07-30 | BSH Hausgeräte GmbH | Temperaturmessung an einer Flächenheizung für ein Haushaltsgerät |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57103366A (en) * | 1980-12-18 | 1982-06-26 | Clarion Co Ltd | Variable-capacitance device |
JP2940169B2 (ja) * | 1990-12-17 | 1999-08-25 | ソニー株式会社 | 半導体メモリ装置 |
US5192871A (en) * | 1991-10-15 | 1993-03-09 | Motorola, Inc. | Voltage variable capacitor having amorphous dielectric film |
US5173835A (en) * | 1991-10-15 | 1992-12-22 | Motorola, Inc. | Voltage variable capacitor |
JPH05218304A (ja) * | 1991-11-04 | 1993-08-27 | Motorola Inc | 集積化分布型抵抗−容量および誘導−容量ネットワーク |
US5166857A (en) * | 1991-12-24 | 1992-11-24 | Motorola Inc. | Electronically tunable capacitor switch |
JP3595098B2 (ja) * | 1996-02-22 | 2004-12-02 | 株式会社東芝 | 薄膜キャパシタ |
US5965912A (en) * | 1997-09-03 | 1999-10-12 | Motorola, Inc. | Variable capacitor and method for fabricating the same |
US6172378B1 (en) * | 1999-05-03 | 2001-01-09 | Silicon Wave, Inc. | Integrated circuit varactor having a wide capacitance range |
-
1999
- 1999-12-29 US US09/474,681 patent/US6278158B1/en not_active Expired - Lifetime
-
2000
- 2000-12-11 EP EP00127095A patent/EP1113498A3/en not_active Withdrawn
- 2000-12-18 JP JP2000383161A patent/JP2001210550A/ja active Pending
- 2000-12-28 CN CNB001375687A patent/CN1181511C/zh not_active Expired - Fee Related
- 2000-12-29 KR KR1020000085704A patent/KR100688041B1/ko active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
JP2001210550A (ja) | 2001-08-03 |
CN1181511C (zh) | 2004-12-22 |
CN1309401A (zh) | 2001-08-22 |
EP1113498A3 (en) | 2003-10-29 |
KR20010062843A (ko) | 2001-07-07 |
EP1113498A2 (en) | 2001-07-04 |
US6278158B1 (en) | 2001-08-21 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US6683341B1 (en) | Voltage-variable capacitor with increased current conducting perimeter | |
US8854791B2 (en) | Voltage controlled variable capacitor and voltage controlled oscillator | |
US4216451A (en) | Variable capacitance device having a plurality of capacitance elements and a plurality of switching elements therefor formed on a single common substrate | |
US5914513A (en) | Electronically tunable capacitor | |
US6303957B1 (en) | Semiconductor capacitance device and semiconductor devices using the same | |
EP0608376A1 (en) | Voltage variable capacitor | |
WO2012151041A1 (en) | Semiconductor variable capacitor | |
US8963289B2 (en) | Digital semiconductor variable capacitor | |
US4972237A (en) | Metal-semiconductor field effect transistor device | |
KR100688041B1 (ko) | 개선된 c-v 선형성을 갖는 전압 가변 커패시터 | |
US5360989A (en) | MIS type capacitor having reduced change in capacitance when biased in forward and reverse directions | |
CN100431151C (zh) | 集成电路电容器 | |
US6320474B1 (en) | MOS-type capacitor and integrated circuit VCO using same | |
US4721985A (en) | Variable capacitance element controllable by a D.C. voltage | |
US5684326A (en) | Emitter ballast bypass for radio frequency power transistors | |
JP2003318417A (ja) | Mos型可変容量および半導体集積回路 | |
US8357979B2 (en) | Electronic device comprising a field effect transistor for high-frequency applications | |
US3808472A (en) | Variable capacitance semiconductor devices | |
WO2019005279A1 (en) | ENHANCEMENT OF THE LINEARITY OF A VARIABLE CAPACITOR BY DOPING ENGINEERING | |
US11018296B1 (en) | Semiconductor devices using insulator-metal phase change materials and method for fabrication | |
US7750442B2 (en) | High-frequency switch | |
CN111656533A (zh) | 可变电容器平带电压工程 | |
US6657421B1 (en) | Voltage variable capacitor with improved C-V linearity | |
EP3803981A1 (en) | Gallium-nitride-based transcaps for millimeter wave applications | |
JP2001267497A (ja) | 可変容量素子 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
N231 | Notification of change of applicant | ||
A201 | Request for examination | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 20130207 Year of fee payment: 7 |
|
FPAY | Annual fee payment |
Payment date: 20140210 Year of fee payment: 8 |
|
FPAY | Annual fee payment |
Payment date: 20150206 Year of fee payment: 9 |
|
FPAY | Annual fee payment |
Payment date: 20160205 Year of fee payment: 10 |
|
FPAY | Annual fee payment |
Payment date: 20170213 Year of fee payment: 11 |
|
FPAY | Annual fee payment |
Payment date: 20180212 Year of fee payment: 12 |
|
FPAY | Annual fee payment |
Payment date: 20190207 Year of fee payment: 13 |