JP2005159352A - Ldmosトランジスタ装置、集積回路およびその製造方法 - Google Patents
Ldmosトランジスタ装置、集積回路およびその製造方法 Download PDFInfo
- Publication number
- JP2005159352A JP2005159352A JP2004335343A JP2004335343A JP2005159352A JP 2005159352 A JP2005159352 A JP 2005159352A JP 2004335343 A JP2004335343 A JP 2004335343A JP 2004335343 A JP2004335343 A JP 2004335343A JP 2005159352 A JP2005159352 A JP 2005159352A
- Authority
- JP
- Japan
- Prior art keywords
- region
- gate
- ldmos
- regions
- insulating layer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D64/00—Electrodes of devices having potential barriers
- H10D64/01—Manufacture or treatment
- H10D64/013—Manufacture or treatment of electrodes having a conductor capacitively coupled to a semiconductor by an insulator
- H10D64/01302—Manufacture or treatment of electrodes having a conductor capacitively coupled to a semiconductor by an insulator the insulator being formed after the semiconductor body, the semiconductor being silicon
- H10D64/01304—Manufacture or treatment of electrodes having a conductor capacitively coupled to a semiconductor by an insulator the insulator being formed after the semiconductor body, the semiconductor being silicon characterised by the conductor
- H10D64/01326—Aspects related to lithography, isolation or planarisation of the conductor
- H10D64/0133—Aspects related to lithography, isolation or planarisation of the conductor at least part of the entire electrode being a sidewall spacer, being formed by transformation under a mask or being formed by plating at a sidewall
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/01—Manufacture or treatment
- H10D30/021—Manufacture or treatment of FETs having insulated gates [IGFET]
- H10D30/028—Manufacture or treatment of FETs having insulated gates [IGFET] of double-diffused metal oxide semiconductor [DMOS] FETs
- H10D30/0281—Manufacture or treatment of FETs having insulated gates [IGFET] of double-diffused metal oxide semiconductor [DMOS] FETs of lateral DMOS [LDMOS] FETs
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/60—Insulated-gate field-effect transistors [IGFET]
- H10D30/64—Double-diffused metal-oxide semiconductor [DMOS] FETs
- H10D30/65—Lateral DMOS [LDMOS] FETs
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D64/00—Electrodes of devices having potential barriers
- H10D64/111—Field plates
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D64/00—Electrodes of devices having potential barriers
- H10D64/20—Electrodes characterised by their shapes, relative sizes or dispositions
- H10D64/27—Electrodes not carrying the current to be rectified, amplified, oscillated or switched, e.g. gates
- H10D64/311—Gate electrodes for field-effect devices
- H10D64/411—Gate electrodes for field-effect devices for FETs
- H10D64/511—Gate electrodes for field-effect devices for FETs for IGFETs
- H10D64/517—Gate electrodes for field-effect devices for FETs for IGFETs characterised by the conducting layers
- H10D64/518—Gate electrodes for field-effect devices for FETs for IGFETs characterised by the conducting layers characterised by their lengths or sectional shapes
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/60—Insulated-gate field-effect transistors [IGFET]
- H10D30/611—Insulated-gate field-effect transistors [IGFET] having multiple independently-addressable gate electrodes influencing the same channel
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D62/00—Semiconductor bodies, or regions thereof, of devices having potential barriers
- H10D62/80—Semiconductor bodies, or regions thereof, of devices having potential barriers characterised by the materials
- H10D62/83—Semiconductor bodies, or regions thereof, of devices having potential barriers characterised by the materials being Group IV materials, e.g. B-doped Si or undoped Ge
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D64/00—Electrodes of devices having potential barriers
- H10D64/60—Electrodes characterised by their materials
- H10D64/62—Electrodes ohmically coupled to a semiconductor
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D64/00—Electrodes of devices having potential barriers
- H10D64/60—Electrodes characterised by their materials
- H10D64/66—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes
- H10D64/661—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes the conductor comprising a layer of silicon contacting the insulator, e.g. polysilicon having vertical doping variation
- H10D64/662—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes the conductor comprising a layer of silicon contacting the insulator, e.g. polysilicon having vertical doping variation the conductor further comprising additional layers, e.g. multiple silicon layers having different crystal structures
- H10D64/663—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes the conductor comprising a layer of silicon contacting the insulator, e.g. polysilicon having vertical doping variation the conductor further comprising additional layers, e.g. multiple silicon layers having different crystal structures the additional layers comprising a silicide layer contacting the layer of silicon, e.g. polycide gates
Landscapes
- Insulated Gate Type Field-Effect Transistor (AREA)
Abstract
【解決手段】半導体基板(11)、LDMOSゲート領域(17)、LDMOSソース(14)とドレイン(15)領域およびLDMOSゲート領域の下に配置されたチャネル領域(13)を含み、チャネル領域がLDMOSソースとドレイン領域を相互結合する集積LDMOSトランジスタ。LDMOSゲート領域は、第1(18a)および第2(18b)のゲート絶縁領域、その間に備えられる中央配置ゲート分割絶縁領域(19)、およびそれぞれ第1および第2のゲート絶縁領域上に備えられ、中央配置ゲート分割絶縁領域のスペーサ領域の外側で各々エッチングされる第1(20a)および第2(20b)の個別ゲート導電層領域を含む。
【選択図】図1
Description
12 ドレイン・ドリフト領域
13 チャネル領域
14 LDMOSソース領域
15 LDMOSドレイン領域
18a 第1ゲート絶縁層領域
18b 第2ゲート絶縁層領域
19 中央配置絶縁層領域
20a 第1ゲート導電層領域
20b 第2ゲート導電層領域
22a、22b 外側スペーサ領域の珪素化合物
23 LDMOSソース領域の珪素化合物
24 LDMOSドレイン領域の珪素化合物
Lgd 中央配置絶縁層領域(19)の長さ
Lg 第1ゲート導電層(20a)および第2ゲート導電層(20b)の長さ
Claims (17)
- 半導体基板(11)と、
前記基板上のLDMOSゲート領域(17)と、
LDMOSソース領域(14)およびLDMOSドレイン領域(15)と、
前記LDMOSゲート領域の下で前記基板内に配置されたチャネル領域(13)であり前記LDMOSソース領域およびドレイン領域を相互結合する前記チャネル領域とを含む、集積回路特に無線周波数アプリケーションのための集積回路内のLDMOSトランジスタ装置であって、
第1ゲート絶縁層領域(18a)および第2ゲート絶縁層領域(18b)と、
前記第1および第2の絶縁層領域の間に供給される中央配置絶縁層領域(19)と、
第1ゲート導電層領域(20a)および第2ゲート導電層領域(20b)であって、これらの各々は前記第1および第2のゲート絶縁層領域のそれぞれ一つの上に供給され、前記中央配置絶縁層領域において各々エッチングされた外側スペーサ領域であって前記中央配置絶縁層領域の長さ(Lgd)よりも短い長さ(Lg)を各々有するものとを、前記LDMOSゲート領域が含むことを特徴とする前記LDMOSトランジスタ装置。 - 前記第1ゲート導電層および前記第2ゲート導電層が電気接続のための個別接点を備えている請求項1記載のLDMOSトランジスタ装置。
- 前記チャネル領域(13)が前記第1および第2のゲート導電層領域の一つ(20a)の直接下に少なくとも部分的に位置し、また、一つのドレイン・ドリフト領域(12)が前記第1および第2のゲート導電層領域のもう一つのもの(20b)の直接下に少なくとも部分的に位置している請求項1または請求項2記載のLDMOSトランジスタ装置。
- 前記第1および第2のゲート導電層領域の前記一つが制御電圧へ接続され、また、前記第1および第2のゲート導電層領域のもう一つのものがバイアス電圧、好ましくは高いバイアス電圧へ接続されて、前記ドレイン・ドリフト領域内のチャネル・キャリアを反転させる請求項3記載のLDMOSトランジスタ装置。
- 前記第1および第2のゲート導電層領域がドープされた多結晶シリコンで各々作られている請求項1ないし請求項4のいずれかに記載のLDMOSトランジスタ装置。
- 前記第1および第2のゲート導電層領域が珪素化合物化(22a、22b)、特にニッケル珪素化合物化されている請求項5記載のLDMOSトランジスタ装置。
- 前記LDMOSトランジスタ装置が無線周波数パワー・トランジスタである請求項1ないし請求項6のいずれかに記載のLDMOSトランジスタ装置。
- 請求項1ないし請求項7のいずれかに記載のLDMOSトランジスタ装置を含むモノリシック集積回路。
- 一つのLDMOSトランジスタ装置を含むモノリシック集積回路の製造方法であって、
半導体基板(11)を供給するステップと、
前記半導体基板上にLDMOSゲート領域(17)を形成するステップと、
LDMOSソース領域(14)およびLDMOSドレイン領域(15)を形成するステップと、
前記LDMOSゲート領域の下に前記基盤内に配置されたチャネル領域(13)を形成し、前記チャネル領域が前記LDMOSソース領域と前記LDMOSドレイン領域を相互接続するステップとを含み、前記基板上にLDMOSゲート領域を形成する前記ステップが、
中央配置絶縁層領域(19)を形成するステップと、
前記中央配置絶縁層領域の反対側に第1ゲート絶縁層領域(18a)および第2ゲート絶縁層領域(18b)を形成するステップと、
前記中央配置絶縁層領域および前記第1および第2のゲート絶縁層領域の上に導電物質の層を等角的にデポジットするステップと、
前記導電物質の等角的にデポジットされた層を異方的にエッチングして、前記第1および第2のゲート絶縁層領域上で、前記中央配置絶縁層領域の反対側に外側スペーサ領域の形に第1ゲート導電層領域(20a)および第2ゲート導電層領域(20b)を形成するステップとを含むことを特徴とする前記方法。 - 前記中央配置絶縁層領域(19)が第1長さ(Lgd)により形成され、また、前記第1ゲート導電層領域(20a)および第2ゲート導電層領域(20b)が第2長さ(Lg)により形成され、前記第1長さ(Lgd)が前記第2長さ(Lg)よりも長い請求項9記載の方法。
- 絶縁物質の層をデポジットして前記絶縁物質の層をエッチングすることにより、前記中央配置絶縁層領域が形成される請求項9または請求項10に記載の方法。
- 前記導電物質が、ドープされた好ましくは厚くドープされた半導体物質特に多結晶シリコンである請求項9ないし請求項11のいずれかに記載の方法。
- 前記外側スペーサ領域のレイアウトは、前記導電物質の前記層のマスキングおよび等方性エッチングにより設定される請求項9ないし請求項12のいずれかに記載の方法。
- 前記外側スペーサ領域が珪素化合物化され、特にニッケル珪素化合物化(22a、22b)されている請求項9ないし請求項13のいずれかに記載の方法。
- 前記LDMOSソース領域および前記LDMOSドレイン領域が、前記外側スペーサ領域の珪素化合物化(22a、22b)と同時に珪素化合物化(23、24)される請求項14記載の方法。
- ドープされ好ましくは厚くドープされた半導体物質特に多結晶シリコンで特に作られた前記第1および第2の接触領域が、それらの各々が前記外側スペーサ領域のそれぞれの一つに接続されて形成される請求項9ないし15のいずれかに記載の方法。
- 前記モノリシック集積回路が金属化され、前記第1および第2の接触領域の各々が前記金属化の間に個別に接続される請求項16記載の方法。
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE0303106A SE0303106D0 (sv) | 2003-11-21 | 2003-11-21 | Ldmos transistor device, integrated circuit, and fabrication method thereof |
| SE0303106-9 | 2003-11-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2005159352A true JP2005159352A (ja) | 2005-06-16 |
| JP4851080B2 JP4851080B2 (ja) | 2012-01-11 |
Family
ID=29729128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2004335343A Expired - Fee Related JP4851080B2 (ja) | 2003-11-21 | 2004-11-19 | Ldmosトランジスタ装置、集積回路およびその製造方法 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US7391080B2 (ja) |
| JP (1) | JP4851080B2 (ja) |
| DE (1) | DE102004055640B4 (ja) |
| SE (1) | SE0303106D0 (ja) |
Families Citing this family (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8212316B2 (en) * | 2004-01-29 | 2012-07-03 | Enpirion, Inc. | Integrated circuit with a laterally diffused metal oxide semiconductor device and method of forming the same |
| US7230302B2 (en) | 2004-01-29 | 2007-06-12 | Enpirion, Inc. | Laterally diffused metal oxide semiconductor device and method of forming the same |
| US8253195B2 (en) * | 2004-01-29 | 2012-08-28 | Enpirion, Inc. | Integrated circuit with a laterally diffused metal oxide semiconductor device and method of forming the same |
| US8212317B2 (en) * | 2004-01-29 | 2012-07-03 | Enpirion, Inc. | Integrated circuit with a laterally diffused metal oxide semiconductor device and method of forming the same |
| US8253196B2 (en) | 2004-01-29 | 2012-08-28 | Enpirion, Inc. | Integrated circuit with a laterally diffused metal oxide semiconductor device and method of forming the same |
| US8212315B2 (en) * | 2004-01-29 | 2012-07-03 | Enpirion, Inc. | Integrated circuit with a laterally diffused metal oxide semiconductor device and method of forming the same |
| US8253197B2 (en) * | 2004-01-29 | 2012-08-28 | Enpirion, Inc. | Integrated circuit with a laterally diffused metal oxide semiconductor device and method of forming the same |
| US7868378B1 (en) * | 2005-07-18 | 2011-01-11 | Volterra Semiconductor Corporation | Methods and apparatus for LDMOS transistors |
| JP2007059636A (ja) * | 2005-08-25 | 2007-03-08 | Renesas Technology Corp | Dmosfetおよびプレーナ型mosfet |
| US8124468B2 (en) * | 2009-06-30 | 2012-02-28 | Semiconductor Components Industries, Llc | Process of forming an electronic device including a well region |
| US8222695B2 (en) | 2009-06-30 | 2012-07-17 | Semiconductor Components Industries, Llc | Process of forming an electronic device including an integrated circuit with transistors coupled to each other |
| US8389369B2 (en) * | 2010-02-08 | 2013-03-05 | Semiconductor Components Industries, Llc | Electronic device including a doped region disposed under and having a higher dopant concentration than a channel region and a process of forming the same |
| US8298886B2 (en) * | 2010-02-08 | 2012-10-30 | Semiconductor Components Industries, Llc | Electronic device including doped regions between channel and drain regions and a process of forming the same |
| US8299560B2 (en) * | 2010-02-08 | 2012-10-30 | Semiconductor Components Industries, Llc | Electronic device including a buried insulating layer and a vertical conductive structure extending therethrough and a process of forming the same |
| JP5732790B2 (ja) | 2010-09-14 | 2015-06-10 | 株式会社デンソー | 炭化珪素半導体装置およびその製造方法 |
| US8822295B2 (en) | 2012-04-03 | 2014-09-02 | International Business Machines Corporation | Low extension dose implants in SRAM fabrication |
| US20140159130A1 (en) | 2012-11-30 | 2014-06-12 | Enpirion, Inc. | Apparatus including a semiconductor device coupled to a decoupling device |
| US9059276B2 (en) * | 2013-05-24 | 2015-06-16 | International Business Machines Corporation | High voltage laterally diffused metal oxide semiconductor |
| US10020739B2 (en) | 2014-03-27 | 2018-07-10 | Altera Corporation | Integrated current replicator and method of operating the same |
| US9673192B1 (en) | 2013-11-27 | 2017-06-06 | Altera Corporation | Semiconductor device including a resistor metallic layer and method of forming the same |
| US9536938B1 (en) | 2013-11-27 | 2017-01-03 | Altera Corporation | Semiconductor device including a resistor metallic layer and method of forming the same |
| KR102171025B1 (ko) | 2014-04-30 | 2020-10-29 | 삼성전자주식회사 | 비휘발성 메모리 장치 |
| US10103627B2 (en) | 2015-02-26 | 2018-10-16 | Altera Corporation | Packaged integrated circuit including a switch-mode regulator and method of forming the same |
| CN111509029B (zh) * | 2019-01-31 | 2023-07-14 | 中芯国际集成电路制造(上海)有限公司 | 半导体器件及其形成方法 |
| CN111554579B (zh) * | 2020-05-13 | 2023-10-20 | 上海华虹宏力半导体制造有限公司 | 开关ldmos器件及其制造方法 |
| DE102020126658A1 (de) | 2020-08-31 | 2022-03-03 | Taiwan Semiconductor Manufacturing Co., Ltd. | Halbleitervorrichtung und deren Herstellungsverfahren |
| CN113809177B (zh) * | 2020-08-31 | 2025-10-31 | 台积电(中国)有限公司 | 半导体器件及其制造方法 |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63213369A (ja) * | 1987-03-02 | 1988-09-06 | Toshiba Corp | Mos型半導体装置 |
| JPH0697439A (ja) * | 1992-09-10 | 1994-04-08 | Toshiba Corp | 高耐圧半導体素子 |
| JPH0982965A (ja) * | 1995-07-11 | 1997-03-28 | Yokogawa Electric Corp | 半導体装置 |
| JPH09107094A (ja) * | 1995-08-28 | 1997-04-22 | Motorola Inc | 高ブレークダウン電圧炭化珪素トランジスタ |
| JPH113993A (ja) * | 1997-06-11 | 1999-01-06 | Fujitsu Ltd | 半導体装置及びその製造方法 |
| JPH11266018A (ja) * | 1998-03-16 | 1999-09-28 | Toshiba Corp | 半導体装置 |
| US20020119611A1 (en) * | 2000-11-27 | 2002-08-29 | Power Integrations, Inc. | Method of fabricating a high-voltage transistor |
| WO2003005414A2 (en) * | 2001-07-05 | 2003-01-16 | International Rectifier Corporation | Power mosfet with deep implanted junctions |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4574208A (en) * | 1982-06-21 | 1986-03-04 | Eaton Corporation | Raised split gate EFET and circuitry |
| JPH077824B2 (ja) | 1984-01-06 | 1995-01-30 | セイコー電子工業株式会社 | 不揮発性半導体メモリの低電圧書込み方法 |
| IT1235843B (it) * | 1989-06-14 | 1992-11-03 | Sgs Thomson Microelectronics | Dispositivo integrato contenente strutture di potenza formate con transistori ldmos complementari, strutture cmos e pnp verticali con aumentata capacita' di supportare un'alta tensione di alimentazione. |
| US5548133A (en) * | 1994-09-19 | 1996-08-20 | International Rectifier Corporation | IGBT with increased ruggedness |
| JPH09121053A (ja) | 1995-08-21 | 1997-05-06 | Matsushita Electric Ind Co Ltd | 縦型の電界効果型トランジスタ及びその製造方法 |
| KR100225411B1 (ko) * | 1997-03-24 | 1999-10-15 | 김덕중 | LDMOS(a lateral double-diffused MOS) 트랜지스터 소자 및 그의 제조 방법 |
| US5969383A (en) * | 1997-06-16 | 1999-10-19 | Motorola, Inc. | Split-gate memory device and method for accessing the same |
| US6506648B1 (en) * | 1998-09-02 | 2003-01-14 | Cree Microwave, Inc. | Method of fabricating a high power RF field effect transistor with reduced hot electron injection and resulting structure |
| US6248633B1 (en) * | 1999-10-25 | 2001-06-19 | Halo Lsi Design & Device Technology, Inc. | Process for making and programming and operating a dual-bit multi-level ballistic MONOS memory |
| US6329687B1 (en) * | 2000-01-27 | 2001-12-11 | Advanced Micro Devices, Inc. | Two bit flash cell with two floating gate regions |
| EP1170803A3 (en) * | 2000-06-08 | 2002-10-09 | Siliconix Incorporated | Trench gate MOSFET and method of making the same |
| SE519382C2 (sv) * | 2000-11-03 | 2003-02-25 | Ericsson Telefon Ab L M | Integrering av självinriktade MOS-högspänningskomponenter samt halvledarstruktur innefattande sådana |
| WO2002054449A2 (en) * | 2001-01-03 | 2002-07-11 | Mississippi State University | Silicon carbide and related wide-bandgap transistors on semi-insulating epitaxy for high-speed, high-power applications |
| US6465836B2 (en) * | 2001-03-29 | 2002-10-15 | Taiwan Semiconductor Manufacturing Co., Ltd | Vertical split gate field effect transistor (FET) device |
| US20040201078A1 (en) * | 2003-04-11 | 2004-10-14 | Liping Ren | Field plate structure for high voltage devices |
| US7163856B2 (en) * | 2003-11-13 | 2007-01-16 | Volterra Semiconductor Corporation | Method of fabricating a lateral double-diffused mosfet (LDMOS) transistor and a conventional CMOS transistor |
-
2003
- 2003-11-21 SE SE0303106A patent/SE0303106D0/xx unknown
-
2004
- 2004-10-19 US US10/968,633 patent/US7391080B2/en not_active Expired - Fee Related
- 2004-11-18 DE DE102004055640A patent/DE102004055640B4/de not_active Expired - Fee Related
- 2004-11-19 JP JP2004335343A patent/JP4851080B2/ja not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63213369A (ja) * | 1987-03-02 | 1988-09-06 | Toshiba Corp | Mos型半導体装置 |
| JPH0697439A (ja) * | 1992-09-10 | 1994-04-08 | Toshiba Corp | 高耐圧半導体素子 |
| JPH0982965A (ja) * | 1995-07-11 | 1997-03-28 | Yokogawa Electric Corp | 半導体装置 |
| JPH09107094A (ja) * | 1995-08-28 | 1997-04-22 | Motorola Inc | 高ブレークダウン電圧炭化珪素トランジスタ |
| JPH113993A (ja) * | 1997-06-11 | 1999-01-06 | Fujitsu Ltd | 半導体装置及びその製造方法 |
| JPH11266018A (ja) * | 1998-03-16 | 1999-09-28 | Toshiba Corp | 半導体装置 |
| US20020119611A1 (en) * | 2000-11-27 | 2002-08-29 | Power Integrations, Inc. | Method of fabricating a high-voltage transistor |
| WO2003005414A2 (en) * | 2001-07-05 | 2003-01-16 | International Rectifier Corporation | Power mosfet with deep implanted junctions |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4851080B2 (ja) | 2012-01-11 |
| DE102004055640A1 (de) | 2005-08-25 |
| DE102004055640B4 (de) | 2009-03-19 |
| SE0303106D0 (sv) | 2003-11-21 |
| US7391080B2 (en) | 2008-06-24 |
| US20050110080A1 (en) | 2005-05-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP4851080B2 (ja) | Ldmosトランジスタ装置、集積回路およびその製造方法 | |
| US6518138B2 (en) | Method of forming Self-aligned lateral DMOS with spacer drift region | |
| US6630720B1 (en) | Asymmetric semiconductor device having dual work function gate and method of fabrication | |
| CN101292340A (zh) | 使用自对准沟槽隔离的减小电场dmos | |
| US20070158741A1 (en) | LDMOS Device and Method of Fabrication of LDMOS Device | |
| JPH0832040A (ja) | 半導体装置 | |
| JPH08250728A (ja) | 電界効果型半導体装置及びその製造方法 | |
| KR20020055419A (ko) | 반도체 장치 및 그 제조 방법 | |
| JPH06224428A (ja) | 電界効果トランジスタ及びその形成方法 | |
| CN119050141A (zh) | 利用埋置绝缘层作为栅极介电质的高压晶体管 | |
| US7074657B2 (en) | Low-power multiple-channel fully depleted quantum well CMOSFETs | |
| US6111293A (en) | Silicon-on-insulator MOS structure | |
| JP2000012851A (ja) | 電界効果型トランジスタ及びその製造方法 | |
| CN104576732B (zh) | 一种寄生FinFET的横向双扩散半导体器件 | |
| US12289913B1 (en) | Device with metal field plate extension | |
| US7141479B2 (en) | Bipolar transistor and method for producing the same | |
| KR20040043279A (ko) | 쇼오트 채널 모오스 트랜지스터 및 그 제조 방법 | |
| US5340757A (en) | Method of manufacturing a vertical field effect transistor | |
| US6709936B1 (en) | Narrow high performance MOSFET device design | |
| JP2549657B2 (ja) | 半導体装置およびその製造方法 | |
| JPH05198804A (ja) | 半導体装置及びその製造方法 | |
| JPH11214527A (ja) | 半導体装置および半導体装置の製造方法 | |
| JP2544438B2 (ja) | 半導体装置およびその製造方法 | |
| JP2001250950A (ja) | 半導体装置 | |
| US5528066A (en) | Bipolar transistor having a collector well with a particular concentration |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20070820 |
|
| A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20110331 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20110531 |
|
| A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20110831 |
|
| A602 | Written permission of extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A602 Effective date: 20110906 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20110907 |
|
| TRDD | Decision of grant or rejection written | ||
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20111003 |
|
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 |
|
| A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20111020 |
|
| R150 | Certificate of patent or registration of utility model |
Ref document number: 4851080 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20141028 Year of fee payment: 3 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| LAPS | Cancellation because of no payment of annual fees |