JP5762687B2 - 所望のドーパント濃度を実現するためのイオン注入法 - Google Patents
所望のドーパント濃度を実現するためのイオン注入法 Download PDFInfo
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- JP5762687B2 JP5762687B2 JP2010038787A JP2010038787A JP5762687B2 JP 5762687 B2 JP5762687 B2 JP 5762687B2 JP 2010038787 A JP2010038787 A JP 2010038787A JP 2010038787 A JP2010038787 A JP 2010038787A JP 5762687 B2 JP5762687 B2 JP 5762687B2
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/26—Bombardment with radiation
- H01L21/263—Bombardment with radiation with high-energy radiation
- H01L21/265—Bombardment with radiation with high-energy radiation producing ion implantation
- H01L21/26506—Bombardment with radiation with high-energy radiation producing ion implantation in group IV semiconductors
- H01L21/26513—Bombardment with radiation with high-energy radiation producing ion implantation in group IV semiconductors of electrically active species
- H01L21/2652—Through-implantation
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/26—Bombardment with radiation
- H01L21/263—Bombardment with radiation with high-energy radiation
- H01L21/265—Bombardment with radiation with high-energy radiation producing ion implantation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/26—Bombardment with radiation
- H01L21/263—Bombardment with radiation with high-energy radiation
- H01L21/265—Bombardment with radiation with high-energy radiation producing ion implantation
- H01L21/26586—Bombardment with radiation with high-energy radiation producing ion implantation characterised by the angle between the ion beam and the crystal planes or the main crystal surface
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D84/00—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers
- H10D84/01—Manufacture or treatment
- H10D84/0123—Integrating together multiple components covered by H10D12/00 or H10D30/00, e.g. integrating multiple IGBTs
- H10D84/0126—Integrating together multiple components covered by H10D12/00 or H10D30/00, e.g. integrating multiple IGBTs the components including insulated gates, e.g. IGFETs
- H10D84/0165—Integrating together multiple components covered by H10D12/00 or H10D30/00, e.g. integrating multiple IGBTs the components including insulated gates, e.g. IGFETs the components including complementary IGFETs, e.g. CMOS devices
- H10D84/0167—Manufacturing their channels
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D84/00—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers
- H10D84/01—Manufacture or treatment
- H10D84/0123—Integrating together multiple components covered by H10D12/00 or H10D30/00, e.g. integrating multiple IGBTs
- H10D84/0126—Integrating together multiple components covered by H10D12/00 or H10D30/00, e.g. integrating multiple IGBTs the components including insulated gates, e.g. IGFETs
- H10D84/0165—Integrating together multiple components covered by H10D12/00 or H10D30/00, e.g. integrating multiple IGBTs the components including insulated gates, e.g. IGFETs the components including complementary IGFETs, e.g. CMOS devices
- H10D84/0191—Manufacturing their doped wells
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D84/00—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers
- H10D84/01—Manufacture or treatment
- H10D84/02—Manufacture or treatment characterised by using material-based technologies
- H10D84/03—Manufacture or treatment characterised by using material-based technologies using Group IV technology, e.g. silicon technology or silicon-carbide [SiC] technology
- H10D84/038—Manufacture or treatment characterised by using material-based technologies using Group IV technology, e.g. silicon technology or silicon-carbide [SiC] technology using silicon technology, e.g. SiGe
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- General Physics & Mathematics (AREA)
- Toxicology (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Health & Medical Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
Description
本発明は電流を流すよう設計された伝導形が変化する接合を組込んだ半導体デバイス及びそのようなデバイスの作製方法に関する。より具体的には、本発明は一義的に決められる閾値電圧を有する金属−酸化物−電界効果トランジスタ(MOSFET)及びそのようなデバイスを組込んだ集積回路の作製方法に関する。
当業者には周知のように、ほとんどの金属−酸化物−半導体電界効果トランジスタ(MOSFET)は、横方向に形成され、電流はソース領域及びドレイン領域間のチャネル中を、基板面又は基板表面に平行に流れる。
半導体デバイスに対し、複数の閾値電圧の形成を更に進めるため、異なる閾値電圧値をもつMOSFETデバイスを、形成する方法を供する。
図7は2対のCMOSデバイスを示す従来技術のCMOS集積回路(168)の部分的な概略図である。PMOSFET(170)及びNMOSFET(172)は第1のCMOS対を形成し、PMOSFET(174)及びNMOSFET(176)は第2のCMOS対を形成する。Vin1はPMOSFET(170)及びNMOSFET(172)に対するゲート駆動信号で、それは共通のドレイン接続において、出力信号(Vout1)を生じる。Vin2はCMOS対PMOSFET(174)及びNMOSFET(176)に対するゲート信号で、それは出力信号Vout2を生じる。更に、PMOSFET(170)はドレイン電圧Vddに応答し、PMOSFET(174)はドレイン電圧Vdd2に応答することに注意する必要がある。ドレイン電圧Vdd1及びVdd2は図7中ではオフチップ電圧源から生じるように示されているが、それらはオフチップ又はオンチップで発生させてよい。一実施例において、Vdd1及びVdd2は等しくないから、Vout1はVout2に等しくない。典型的な回路形態において、両方の出力信号Vout1及びVout2は、直列につないだ回路チェイン中の次の能動要素を駆動する。たとえば、Vout1は入力信号Vin2として働き、Vout2は集積回路(168)中の別の要素に供給するか、チップ外に送ることができる。Vin1は集積回路(168)中の別の回路により生成しても、オフチップ源から生成してもよい。いずれにしても、異なる動作電圧(Vdd1及びVdd2)及び入力/出力電圧(Vin1,Vin2,Vout1,Vout2)の使用には、異なる閾値電圧を有するMOSFETの作製が必要なことは明らかである。その結果、たとえばPMOSFET(170)及びNMOSFET(172)を含むCMOS対は、第1の閾値電圧を有するように作製し、PMOSFET(174)及びNMOSFET(176)を含むCMOS対は、第2の閾値電圧を有するように作製してよい。
9 基板
10,12 LOCOS領域
14 ゲート
16 ソース領域
18 ドレイン領域
20 井戸
28 ゲート
30 ソース領域
32 ドレイン領域
34 井戸
38 ゲート
40 ソース領域
42 ドレイン領域
44 井戸
46 二酸化シリコン層
50 p+領域
52 p層
60,62 MOSFET
100 基板
102 p層、エピタキシャル層
104,106,108,110 マスク
120,122,124 井戸
126,128,130,132,134,136 マスク
168 集積回路
170 PMOSFET
172 NMOSFET
174 PMOSFET
176 NMOSFET
178 集積回路
182 NMOSデバイス、NMOSFETデバイス、NMOSFET
184 NMOSFET、NMOSFETデバイス
200 基板
202 p層、エピタキシャル層
204,206,208,210 マスク要素
220,222,224 井戸
225,226 局所酸化領域
230,232,234 ライン
236,238,240 矢印の頭
260 マスクライン
262 半導体基板
264 注入線
270 マスクライン
274 注入線
290,292,294 ライン
300 半導体基板
302 ゲートマスク
304 領域
310 線
350,352 マスクライン
354 基板
355 タブ領域、タブ
356 ソース領域
358 ドレイン領域
360,362 注入線
370 ゲートマスク
372,374 注入イオン線
376,378,380 線
Claims (1)
- 複数の電界効果トランジスタを含み、第1のトランジスタは第1の伝導形のタブ領域中に形成され、第2のトランジスタとは異なる閾値電圧を特徴とし、
第1のトランジスタは、ゲート構造、及び前記タブ領域中に形成された第2の伝導形の正味の導電率をもつ第1及び第2のソース/ドレイン領域、並びに第1の伝導形のハロ注入による領域を含み、
各ソース/ドレイン領域はゲート領域の相対する側のデバイスの横方向表面領域に沿って形成され、各ソース/ドレイン領域はゲート領域に隣接する第1の部分と、前記第1の部分と隣接し、ゲート領域から離れるように延びる第2の部分とを含み、
タブドーパント濃度は、各ソース/ドレイン領域の各前記第2の部分から、ゲート構造に向って、各前記第1の部分及びゲート下まで横方向に延び、前記第2の部分におけるタブドーパント濃度は、ゲート下におけるタブドーパント濃度より相対的に高く、
前記ハロ注入による領域のドーパント濃度は、ソース/ドレイン領域で均一で、ゲート下では不均一であり、
ソース/ドレイン領域における全ドーパント濃度は、ゲート下の全ドーパント濃度より高い、半導体デバイス。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/968,388 US20030064550A1 (en) | 2001-09-28 | 2001-09-28 | Method of ion implantation for achieving desired dopant concentration |
US09/968388 | 2001-09-28 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2002280434A Division JP4631097B2 (ja) | 2001-09-28 | 2002-09-26 | 所望のドーパント濃度を実現するためのイオン注入法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010157759A JP2010157759A (ja) | 2010-07-15 |
JP5762687B2 true JP5762687B2 (ja) | 2015-08-12 |
Family
ID=25514203
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2002280434A Expired - Fee Related JP4631097B2 (ja) | 2001-09-28 | 2002-09-26 | 所望のドーパント濃度を実現するためのイオン注入法 |
JP2010038787A Expired - Fee Related JP5762687B2 (ja) | 2001-09-28 | 2010-02-24 | 所望のドーパント濃度を実現するためのイオン注入法 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2002280434A Expired - Fee Related JP4631097B2 (ja) | 2001-09-28 | 2002-09-26 | 所望のドーパント濃度を実現するためのイオン注入法 |
Country Status (5)
Country | Link |
---|---|
US (2) | US20030064550A1 (ja) |
JP (2) | JP4631097B2 (ja) |
KR (1) | KR100918182B1 (ja) |
GB (1) | GB2383189B (ja) |
TW (1) | TW564487B (ja) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6921690B2 (en) * | 2001-12-20 | 2005-07-26 | Intersil Americas Inc. | Method of fabricating enhanced EPROM structures with accentuated hot electron generation regions |
KR100598035B1 (ko) * | 2004-02-24 | 2006-07-07 | 삼성전자주식회사 | 전하 전송 이미지 소자의 제조 방법 |
JP4168995B2 (ja) | 2004-09-30 | 2008-10-22 | セイコーエプソン株式会社 | 半導体装置及びその製造方法 |
US20060240651A1 (en) * | 2005-04-26 | 2006-10-26 | Varian Semiconductor Equipment Associates, Inc. | Methods and apparatus for adjusting ion implant parameters for improved process control |
KR100675891B1 (ko) | 2005-05-04 | 2007-02-02 | 주식회사 하이닉스반도체 | 불균일 이온주입장치 및 불균일 이온주입방법 |
JP4959990B2 (ja) * | 2006-03-01 | 2012-06-27 | 株式会社東芝 | 半導体装置 |
JP4812480B2 (ja) * | 2006-03-22 | 2011-11-09 | 富士通セミコンダクター株式会社 | 半導体装置の製造方法 |
US7824973B2 (en) * | 2008-10-02 | 2010-11-02 | Infineon Technologies Ag | Method of forming a semiconductor device and semiconductor device thereof |
JP2016051812A (ja) * | 2014-08-29 | 2016-04-11 | キヤノン株式会社 | 接合型電界効果トランジスタの製造方法、半導体装置の製造方法、撮像装置の製造方法、接合型電界効果トランジスタ及び撮像装置 |
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JPH05183159A (ja) | 1992-01-07 | 1993-07-23 | Fujitsu Ltd | 半導体装置及びその製造方法 |
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JPH08162424A (ja) * | 1994-12-07 | 1996-06-21 | Kawasaki Steel Corp | 半導体装置の製造方法 |
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JPH09246396A (ja) * | 1996-03-07 | 1997-09-19 | Hitachi Ltd | 半導体集積回路装置およびその製造方法 |
JP3222380B2 (ja) | 1996-04-25 | 2001-10-29 | シャープ株式会社 | 電界効果トランジスタ、および、cmosトランジスタ |
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-
2001
- 2001-09-28 US US09/968,388 patent/US20030064550A1/en not_active Abandoned
-
2002
- 2002-08-22 TW TW091119022A patent/TW564487B/zh not_active IP Right Cessation
- 2002-08-30 GB GB0220202A patent/GB2383189B/en not_active Expired - Fee Related
- 2002-09-26 JP JP2002280434A patent/JP4631097B2/ja not_active Expired - Fee Related
- 2002-09-28 KR KR1020020059060A patent/KR100918182B1/ko not_active IP Right Cessation
-
2003
- 2003-07-14 US US10/619,058 patent/US7049199B2/en not_active Expired - Lifetime
-
2010
- 2010-02-24 JP JP2010038787A patent/JP5762687B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US7049199B2 (en) | 2006-05-23 |
JP4631097B2 (ja) | 2011-02-16 |
GB2383189A (en) | 2003-06-18 |
US20030064550A1 (en) | 2003-04-03 |
GB0220202D0 (en) | 2002-10-09 |
KR100918182B1 (ko) | 2009-09-22 |
JP2003178995A (ja) | 2003-06-27 |
GB2383189B (en) | 2005-10-12 |
KR20030027843A (ko) | 2003-04-07 |
TW564487B (en) | 2003-12-01 |
JP2010157759A (ja) | 2010-07-15 |
US20040014303A1 (en) | 2004-01-22 |
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