KR100778355B1 - 캐스코드 접속회로 - Google Patents
캐스코드 접속회로 Download PDFInfo
- Publication number
- KR100778355B1 KR100778355B1 KR1020060077066A KR20060077066A KR100778355B1 KR 100778355 B1 KR100778355 B1 KR 100778355B1 KR 1020060077066 A KR1020060077066 A KR 1020060077066A KR 20060077066 A KR20060077066 A KR 20060077066A KR 100778355 B1 KR100778355 B1 KR 100778355B1
- Authority
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- South Korea
- Prior art keywords
- fet
- schottky
- barrier diode
- source
- gate
- Prior art date
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- 230000004888 barrier function Effects 0.000 claims abstract description 40
- 230000005669 field effect Effects 0.000 claims abstract description 5
- 229910052751 metal Inorganic materials 0.000 claims description 30
- 239000002184 metal Substances 0.000 claims description 30
- 239000004065 semiconductor Substances 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 4
- 239000012535 impurity Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 239000003990 capacitor Substances 0.000 description 12
- 238000010586 diagram Methods 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 4
- 150000002739 metals Chemical class 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- 238000004088 simulation Methods 0.000 description 3
- 235000012431 wafers Nutrition 0.000 description 3
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 229910004205 SiNX Inorganic materials 0.000 description 1
- 229910001080 W alloy Inorganic materials 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/08—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements
- H03F1/22—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements by use of cascode coupling, i.e. earthed cathode or emitter stage followed by earthed grid or base stage respectively
- H03F1/223—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements by use of cascode coupling, i.e. earthed cathode or emitter stage followed by earthed grid or base stage respectively with MOSFET's
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- 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
- H01L27/06—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 a plurality of individual components in a non-repetitive configuration
- H01L27/0611—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 a plurality of individual components in a non-repetitive configuration integrated circuits having a two-dimensional layout of components without a common active region
- H01L27/0617—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 a plurality of individual components in a non-repetitive configuration integrated circuits having a two-dimensional layout of components without a common active region comprising components of the field-effect type
- H01L27/0629—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 a plurality of individual components in a non-repetitive configuration integrated circuits having a two-dimensional layout of components without a common active region comprising components of the field-effect type in combination with diodes, or resistors, or capacitors
-
- 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)
- 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)
- Junction Field-Effect Transistors (AREA)
- Electrodes Of Semiconductors (AREA)
Abstract
Description
Φb | gm | Cgs |
0.75 eV | 0.36 S/mm | 12 pF |
0.55 eV | 0.36 S/mm | 10 pF |
Claims (8)
- 2개의 전계 효과형 트랜지스터(이하,「FET」라고 한다)가 캐스코드 접속된 캐스코드 접속회로로서,소스가 접지된 제1의 FET와,소스가 상기 제1의 FET의 드레인에 접속된 제2의 FET와,애노드가 상기 제1의 FET의 소스에 접속되고, 캐소드가 상기 제2의 FET의 게이트에 접속된 쇼트키 배리어 다이오드를 구비하는 것을 특징으로 하는 캐스코드 접속회로.
- n(3이상의 양의 정수)개의 FET가 캐스코드 접속된 캐스코드 접속회로로서,소스가 접지된 제1의 FET와,m이 2 내지 n의 양의 정수이며, 소스가 제 m-1의 FET의 드레인에 접속된 제 m의 FET와,애노드가 상기 제1의 FET의 소스에 접속되고, 캐소드가 상기 제 m의 FET의 게이트에 접속된 제 m-1의 쇼트키 배리어 다이오드를 구비하는 것을 특징으로 하는 캐스코드 접속회로.
- 제 1항에 있어서,상기 쇼트키 배리어 다이오드는, 능동층 위에 쇼트키 접합된 애노드 전극과, 상기 능동층 위에 오믹 접합된 캐소드 전극을 가지는 것을 특징으로 하는 캐스코드 접속회로.
- 제 3항에 있어서,상기 애노드 전극과 상기 캐소드 전극 사이에서 상기 능동층의 폭이 좁아지고 있는 것을 특징으로 하는 캐스코드 접속회로.
- 제 1항에 있어서,상기 쇼트키 배리어 다이오드는, 능동층 위에 쇼트키 접합된 애노드 전극과, 상기 능동층 위에 쇼트키 접합된 캐소드 전극을 가지는 것을 특징으로 하는 캐스코드 접속회로.
- 제 3항에 있어서,상기 애노드 전극은, 상기 제1의 FET 및 상기 제2의 FET의 소스·드레인 전극을 구성하는 물질보다도 저항값이 높은 물질로 이루어지는 막을 적어도 일부에 가지는 것을 특징으로 하는 캐스코드 접속회로.
- 제 3항에 있어서,상기 애노드 전극은, 상기 제1의 FET 및 상기 제2의 FET의 게이트 전극과 같은 공정이며, 상기 능동층 위에 쇼트키 접합된 고저항 금속막과, 상기 고저항 금속막 위에 상기 고저항 금속막 보다도 저항이 낮은 저저항 금속막을 형성한 후, 상기 저저항 금속막의 전부 또는 일부를 제거함으로써 형성되는 것을 특징으로 하는 캐스코드 접속회로.
- 제 1항에 있어서,상기 제2의 FET의 드레인과 상기 제2의 FET의 게이트 사이에 접속된 제1의 저항과, 상기 제1의 FET의 소스와 상기 제2의 FET의 게이트 사이에 상기 쇼트키 배리어 다이오드와는 병렬로 접속된 제2의 저항을 더 가지며,상기 제1의 저항 및 상기 제2의 저항은, 채널 위에 형성된 상기 채널보다도 고농도의 불순물을 포함하는 고농도 도프 반도체층의 일부를 제거함으로써 형성되는 것을 특징으로 하는 캐스코드 접속회로.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020060077066A KR100778355B1 (ko) | 2005-08-22 | 2006-08-16 | 캐스코드 접속회로 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JPJP-P-2005-00239524 | 2005-08-22 | ||
KR1020060077066A KR100778355B1 (ko) | 2005-08-22 | 2006-08-16 | 캐스코드 접속회로 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20070022591A KR20070022591A (ko) | 2007-02-27 |
KR100778355B1 true KR100778355B1 (ko) | 2007-11-22 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR1020060077066A KR100778355B1 (ko) | 2005-08-22 | 2006-08-16 | 캐스코드 접속회로 |
Country Status (1)
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4636990A (en) | 1985-05-31 | 1987-01-13 | International Business Machines Corporation | Three state select circuit for use in a data processing system or the like |
JPH0645592A (ja) * | 1992-07-27 | 1994-02-18 | Tokyo Electric Power Co Inc:The | 複合型半導体装置 |
JPH1075126A (ja) | 1996-08-30 | 1998-03-17 | Matsushita Electric Ind Co Ltd | カスコード接続回路 |
JP2002305309A (ja) | 2001-02-01 | 2002-10-18 | Hitachi Ltd | 半導体装置およびその製造方法 |
-
2006
- 2006-08-16 KR KR1020060077066A patent/KR100778355B1/ko active IP Right Grant
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4636990A (en) | 1985-05-31 | 1987-01-13 | International Business Machines Corporation | Three state select circuit for use in a data processing system or the like |
JPH0645592A (ja) * | 1992-07-27 | 1994-02-18 | Tokyo Electric Power Co Inc:The | 複合型半導体装置 |
JPH1075126A (ja) | 1996-08-30 | 1998-03-17 | Matsushita Electric Ind Co Ltd | カスコード接続回路 |
JP2002305309A (ja) | 2001-02-01 | 2002-10-18 | Hitachi Ltd | 半導体装置およびその製造方法 |
Also Published As
Publication number | Publication date |
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KR20070022591A (ko) | 2007-02-27 |
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