JP4514022B2 - 電気的にプログラムされたソース/ドレイン直列抵抗を有するmosトランジスタ - Google Patents
電気的にプログラムされたソース/ドレイン直列抵抗を有するmosトランジスタ Download PDFInfo
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- JP4514022B2 JP4514022B2 JP2003555591A JP2003555591A JP4514022B2 JP 4514022 B2 JP4514022 B2 JP 4514022B2 JP 2003555591 A JP2003555591 A JP 2003555591A JP 2003555591 A JP2003555591 A JP 2003555591A JP 4514022 B2 JP4514022 B2 JP 4514022B2
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- 125000006850 spacer group Chemical group 0.000 claims abstract description 26
- 239000004065 semiconductor Substances 0.000 claims description 49
- 239000000758 substrate Substances 0.000 claims description 25
- 229910052751 metal Inorganic materials 0.000 claims description 12
- 239000002184 metal Substances 0.000 claims description 12
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 11
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 11
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 9
- 229920005591 polysilicon Polymers 0.000 claims description 9
- 229910021332 silicide Inorganic materials 0.000 claims description 7
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 claims description 7
- 239000004020 conductor Substances 0.000 claims 1
- 238000005530 etching Methods 0.000 description 14
- 238000000034 method Methods 0.000 description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 5
- 238000005229 chemical vapour deposition Methods 0.000 description 5
- 229910052814 silicon oxide Inorganic materials 0.000 description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 238000005468 ion implantation Methods 0.000 description 4
- 230000000873 masking effect Effects 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229910044991 metal oxide Inorganic materials 0.000 description 3
- 150000004706 metal oxides Chemical class 0.000 description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 239000010941 cobalt Substances 0.000 description 2
- 229910017052 cobalt Inorganic materials 0.000 description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- 239000010937 tungsten Substances 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000003042 antagnostic effect Effects 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000005513 bias potential Methods 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000011982 device technology Methods 0.000 description 1
- 239000002019 doping agent Substances 0.000 description 1
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- 230000005669 field effect Effects 0.000 description 1
- -1 for example Chemical compound 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 230000015654 memory Effects 0.000 description 1
- 238000001465 metallisation Methods 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000001020 plasma etching Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Classifications
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- 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
- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/43—Electrodes ; Multistep manufacturing processes therefor characterised by the materials of which they are formed
- H01L29/49—Metal-insulator-semiconductor electrodes, e.g. gates of MOSFET
- H01L29/4983—Metal-insulator-semiconductor electrodes, e.g. gates of MOSFET with a lateral structure, e.g. a Polysilicon gate with a lateral doping variation or with a lateral composition variation or characterised by the sidewalls being composed of conductive, resistive or dielectric material
-
- 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
- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/43—Electrodes ; Multistep manufacturing processes therefor characterised by the materials of which they are formed
- H01L29/49—Metal-insulator-semiconductor electrodes, e.g. gates of MOSFET
-
- 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
- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/41—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions
- H01L29/423—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions not carrying the current to be rectified, amplified or switched
- H01L29/42312—Gate electrodes for field effect devices
- H01L29/42316—Gate electrodes for field effect devices for field-effect transistors
- H01L29/4232—Gate electrodes for field effect devices for field-effect transistors with insulated gate
- H01L29/42372—Gate electrodes for field effect devices for field-effect transistors with insulated gate characterised by the conducting layer, e.g. the length, the sectional shape or the lay-out
- H01L29/42376—Gate electrodes for field effect devices for field-effect transistors with insulated gate characterised by the conducting layer, e.g. the length, the sectional shape or the lay-out characterised by the length or the sectional shape
-
- 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
- H01L29/66007—Multistep manufacturing processes
- H01L29/66075—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials
- H01L29/66227—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials the devices being controllable only by the electric current supplied or the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched, e.g. three-terminal devices
- H01L29/66409—Unipolar field-effect transistors
- H01L29/66477—Unipolar field-effect transistors with an insulated gate, i.e. MISFET
- H01L29/66484—Unipolar field-effect transistors with an insulated gate, i.e. MISFET with multiple gate, at least one gate being an insulated gate
-
- 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
- H01L29/66007—Multistep manufacturing processes
- H01L29/66075—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials
- H01L29/66227—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials the devices being controllable only by the electric current supplied or the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched, e.g. three-terminal devices
- H01L29/66409—Unipolar field-effect transistors
- H01L29/66477—Unipolar field-effect transistors with an insulated gate, i.e. MISFET
- H01L29/6656—Unipolar field-effect transistors with an insulated gate, i.e. MISFET using multiple spacer layers, e.g. multiple sidewall spacers
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Ceramic Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Manufacturing & Machinery (AREA)
- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
- Semiconductor Memories (AREA)
Description
導電層(24)における残された部分の幅は、約100Åから約1800Åである。導電層(24)は、例えば等方性エッチング、異方性エッチング、又は等方性エッチングと異方性エッチングの組み合わせのような、従来のマスキングとエッチング技術によってパターン形成がされる。使用されるエッチング技術と特定のエッチング液は、導電層材料の特定的な種類の除去のために適切である、周知の技術とエッチング液から選択される。
Claims (11)
- 半導体デバイスであって、
トランジスタが形成された半導体基板を有し、前記トランジスタは、前記基板上に形成された互いに対向するサイドウォールを備えたゲート電極を含むものであり、
前記基板上に形成されたソース/ドレイン領域及び前記ソース/ドレイン領域よりも薄く形成されるソース/ドレイン伸長領域を含む活性領域を有し、
ゲート電極対向サイドウォールに沿って形成されるとともに当該ゲート電極対向サイドウォールに接している絶縁サイドウォールスペーサを有し、
前記サイドウォールスペーサに埋め込まれ、前記ソース/ドレイン伸長領域を覆うように形成される導電層を有し、前記導電層は、前記ゲート電極及び前記活性領域から電気的に絶縁されているものであり、
前記埋め込まれた導電層は、金属及び金属シリサイドのうちから選択された導電材料を含み、バイアスされることで前記ソース/ドレイン伸長領域に電荷を蓄積する、
半導体デバイス。 - 前記活性領域は、ソース及びドレイン領域を含む、
請求項1記載の半導体デバイス。 - 前記ゲート電極と前記活性領域間に挿入されたゲート絶縁層を更に含む、
請求項1記載の半導体デバイス。 - 前記サイドウォールスペーサは、窒化シリコンを含む、
請求項1記載の半導体デバイス。 - 前記埋め込まれた導電層の膜厚は、50Å〜300Åである、
請求項1記載の半導体デバイス。 - 前記サイドウォールスペーサの幅は、300Å〜2000Åである、
請求項1記載の半導体デバイス。 - 前記埋め込まれた導電層の幅は、100Å〜1800Åである、
請求項1記載の半導体デバイス。 - 前記導電層は、ゲート電極側壁から、50Å〜500Å離間されている、
請求項1記載の半導体デバイス。 - 前記埋め込まれた導電層には、バイアスがかけられる、
請求項1記載の半導体デバイス。 - 半導体デバイスであって、
トランジスタが形成された半導体基板を有し、前記トランジスタは、前記基板上に形成された互いに対向するサイドウォールを備えたゲート電極を含むものであり、
前記基板上に形成されたソース/ドレイン領域及び前記ソース/ドレイン領域よりも薄く形成されるソース/ドレイン伸長領域を含む活性領域を有し、
ゲート電極対向サイドウォールに沿って形成されるとともに当該ゲート電極対向サイドウォールに接している絶縁サイドウォールスペーサを有し、
前記サイドウォールスペーサに埋め込まれ、前記ソース/ドレイン伸長領域を覆うように形成される導電層を有し、前記導電層は、前記ゲート電極及び前記活性領域から電気的に絶縁されているものであり、
前記埋め込まれた導電層は、導電性ポリシリコンを含み、バイアスされることで前記ソース/ドレイン伸長領域に電荷を蓄積する、
半導体デバイス。 - 半導体デバイスであって、
トランジスタ(32)が形成された半導体基板を有し、前記トランジスタは、NMOSトランジスタ及びPMOSトランジスタを含み、
前記トランジスタ(32)は、前記基板(10)上に形成された互いに対向するサイドウォール(20)を備えたゲート電極(18)を含み、
前記基板(10)上に形成されたソース/ドレイン領域(28)及び前記ソース/ドレイン領域(28)よりも薄く形成されるソース/ドレイン伸長領域(30)を含む活性領域(14)を有し、
前記ゲート電極対向サイドウォール(20)に沿って形成されるとともに当該ゲート電極対向サイドウォール(20)に接している絶縁サイドウォールスペーサ(27)を有し、
前記サイドウォールスペーサ(27)に埋め込まれ、前記ソース/ドレイン伸長領域(30)を覆うように形成される導電層(24)を有し、前記導電層(24)は、前記ゲート電極(18)及び前記活性領域(14)から電気的に絶縁されているものであり、
前記NMOSトランジスタ及び前記PMOSトランジスタの前記導電層(24)にバイアスをかけることにより、前記活性領域(14)のソース/ドレイン伸長領域(30)に電荷を蓄積することで、ソース/ドレイン伸長領域(30)の抵抗値を低くすることが可能に構成されている、
半導体デバイス。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/022,847 US6727534B1 (en) | 2001-12-20 | 2001-12-20 | Electrically programmed MOS transistor source/drain series resistance |
PCT/US2002/041330 WO2003054969A1 (en) | 2001-12-20 | 2002-12-19 | Electrically programmed mos transistor source/drain series resistance |
Related Child Applications (1)
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JP2010077347A Division JP2010177690A (ja) | 2001-12-20 | 2010-03-30 | 電気的にプログラムされたソース/ドレイン直列抵抗を有するmosトランジスタ |
Publications (3)
Publication Number | Publication Date |
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JP2005514772A JP2005514772A (ja) | 2005-05-19 |
JP2005514772A5 JP2005514772A5 (ja) | 2006-02-16 |
JP4514022B2 true JP4514022B2 (ja) | 2010-07-28 |
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JP2003555591A Expired - Fee Related JP4514022B2 (ja) | 2001-12-20 | 2002-12-19 | 電気的にプログラムされたソース/ドレイン直列抵抗を有するmosトランジスタ |
JP2010077347A Pending JP2010177690A (ja) | 2001-12-20 | 2010-03-30 | 電気的にプログラムされたソース/ドレイン直列抵抗を有するmosトランジスタ |
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Country Status (8)
Country | Link |
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US (1) | US6727534B1 (ja) |
EP (1) | EP1456888B1 (ja) |
JP (2) | JP4514022B2 (ja) |
KR (1) | KR100947897B1 (ja) |
CN (1) | CN100403547C (ja) |
AU (1) | AU2002359842A1 (ja) |
DE (1) | DE60237110D1 (ja) |
WO (1) | WO2003054969A1 (ja) |
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KR100776139B1 (ko) * | 2006-11-30 | 2007-11-15 | 동부일렉트로닉스 주식회사 | 플래시 메모리 소자 |
US7723785B2 (en) | 2007-07-31 | 2010-05-25 | Taiwan Semiconductor Manufacturing Company, Ltd. | High performance power MOS structure |
US7915128B2 (en) * | 2008-02-29 | 2011-03-29 | Taiwan Semiconductor Manufacturing Company, Ltd. | High voltage semiconductor devices |
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-
2001
- 2001-12-20 US US10/022,847 patent/US6727534B1/en not_active Expired - Lifetime
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2002
- 2002-12-19 JP JP2003555591A patent/JP4514022B2/ja not_active Expired - Fee Related
- 2002-12-19 EP EP02794406A patent/EP1456888B1/en not_active Expired - Lifetime
- 2002-12-19 AU AU2002359842A patent/AU2002359842A1/en not_active Abandoned
- 2002-12-19 KR KR1020047009730A patent/KR100947897B1/ko not_active IP Right Cessation
- 2002-12-19 DE DE60237110T patent/DE60237110D1/de not_active Expired - Lifetime
- 2002-12-19 WO PCT/US2002/041330 patent/WO2003054969A1/en active Application Filing
- 2002-12-19 CN CNB028257383A patent/CN100403547C/zh not_active Expired - Lifetime
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2010
- 2010-03-30 JP JP2010077347A patent/JP2010177690A/ja active Pending
Also Published As
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AU2002359842A1 (en) | 2003-07-09 |
JP2005514772A (ja) | 2005-05-19 |
WO2003054969A1 (en) | 2003-07-03 |
US6727534B1 (en) | 2004-04-27 |
CN100403547C (zh) | 2008-07-16 |
JP2010177690A (ja) | 2010-08-12 |
KR100947897B1 (ko) | 2010-03-17 |
CN1606811A (zh) | 2005-04-13 |
KR20040071742A (ko) | 2004-08-12 |
EP1456888B1 (en) | 2010-07-21 |
EP1456888A1 (en) | 2004-09-15 |
DE60237110D1 (de) | 2010-09-02 |
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