KR20110023002A - 반도체 소자 및 그 제조 방법 - Google Patents
반도체 소자 및 그 제조 방법 Download PDFInfo
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- KR20110023002A KR20110023002A KR1020090080566A KR20090080566A KR20110023002A KR 20110023002 A KR20110023002 A KR 20110023002A KR 1020090080566 A KR1020090080566 A KR 1020090080566A KR 20090080566 A KR20090080566 A KR 20090080566A KR 20110023002 A KR20110023002 A KR 20110023002A
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 37
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- 238000000034 method Methods 0.000 claims abstract description 63
- 238000002955 isolation Methods 0.000 claims abstract description 37
- 239000000758 substrate Substances 0.000 claims abstract description 14
- 238000000137 annealing Methods 0.000 claims description 29
- 238000005530 etching Methods 0.000 claims description 8
- 238000004140 cleaning Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 238000000926 separation method Methods 0.000 abstract description 8
- 238000010438 heat treatment Methods 0.000 abstract description 7
- 239000007772 electrode material Substances 0.000 abstract description 4
- 238000011049 filling Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 6
- 210000004027 cell Anatomy 0.000 description 5
- 230000002093 peripheral effect Effects 0.000 description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 4
- 229910052710 silicon Inorganic materials 0.000 description 4
- 239000010703 silicon Substances 0.000 description 4
- 239000007943 implant Substances 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- 150000004767 nitrides Chemical class 0.000 description 3
- 229920002120 photoresistant polymer Polymers 0.000 description 3
- 238000007792 addition Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 125000001475 halogen functional group Chemical group 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 210000004692 intercellular junction Anatomy 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
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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
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/324—Thermal treatment for modifying the properties of semiconductor bodies, e.g. annealing, sintering
-
- 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
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/324—Thermal treatment for modifying the properties of semiconductor bodies, e.g. annealing, sintering
- H01L21/3247—Thermal treatment for modifying the properties of semiconductor bodies, e.g. annealing, sintering for altering the shape, e.g. smoothing the surface
-
- 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
-
- 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
- H10D64/512—Disposition of the gate electrodes, e.g. buried gates
-
- 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
- H10D64/512—Disposition of the gate electrodes, e.g. buried gates
- H10D64/513—Disposition of the gate electrodes, e.g. buried gates within recesses in the substrate, e.g. trench gates, groove gates or buried gates
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
- Element Separation (AREA)
Abstract
Description
Claims (14)
- 반도체 기판상에 리세스 영역을 형성하는 단계;어닐링(Annealing) 공정을 실시하여 상기 리세스 영역과 격리된 분리 영역을 형성하는 단계; 및상기 리세스 영역과 상기 분리 영역에 게이트 전극층을 형성하는 단계를 포함하는 반도체 소자의 제조 방법.
- 제 1 항에 있어서,상기 리세스 영역은 1300Å ~ 2500Å 깊이(depth)로 식각되어 형성하는 것을 특징으로 하는 반도체 소자의 제조 방법.
- 제 1 항에 있어서,상기 어닐링 공정은 H2 분위기에서 750℃ ~ 950℃ 온도 범위에서 실시하는 것을 특징으로 하는 반도체 소자의 제조 방법.
- 제 1 항에 있어서,상기 어닐링 공정 시, 상기 온도에 따라서 어닐링 공정 시간을 조절하는 것을 특징으로 하는 반도체 소자의 제조 방법.
- 제 1 항에 있어서,상기 리세스 영역을 형성하는 단계 후, HF 물질을 이용한 클리닝(Cleaning) 공정을 실시하는 단계를 더 포함하는 반도체 소자의 제조 방법.
- 제 1 항에 있어서,상기 어닐링(Annealing) 공정을 실시하는 단계 후, H2 분위기에서 750℃ ~ 950℃ 온도 범위에서 어닐링 공정을 추가 실시하는 단계를 포함하는 반도체 소자의 제조 방법.
- 제 1 항에 있어서,상기 분리 영역은 상기 리세스 영역의 하부에 형성되는 것을 특징으로 하는 반도체 소자의 제조 방법.
- 제 1 항에 있어서,상기 분리 영역은 터널(tunnel) 형태인 것을 특징으로 하는 반도체 소자의 제조 방법.
- 반도체 기판상에 형성된 리세스 영역;어닐링(Annealing) 공정을 실시하여 상기 리세스 영역과 격리되어 형성된 분리 영역; 및상기 리세스 영역과 상기 분리 영역에 매립된 게이트 전극층을 포함하는 반도체 소자.
- 제 9 항에 있어서,상기 어닐링 공정은 H2 분위기에서 750℃ ~ 950℃ 온도 범위에서 실시하는 것을 특징으로 하는 반도체 소자.
- 제 10 항에 있어서,상기 어닐링 공정 시, 상기 온도에 따라서 상기 어닐링 공정 시간을 조절하는 것을 특징으로 하는 반도체 소자.
- 제 9 항에 있어서,상기 리세스 영역은 1300Å ~ 2500Å 깊이(depth)로 식각되어 형성하는 것을 특징으로 하는 반도체 소자.
- 제 9 항에 있어서,상기 분리 영역은 상기 리세스 영역의 하부에 형성되는 것을 특징으로 하는 반도체 소자.
- 제 9 항에 있어서,상기 분리 영역은 터널(tunnel) 형태인 것을 특징으로 하는 반도체 소자.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020090080566A KR101140060B1 (ko) | 2009-08-28 | 2009-08-28 | 반도체 소자 및 그 제조 방법 |
US12/643,861 US8357578B2 (en) | 2009-08-28 | 2009-12-21 | Semiconductor device and method for manufacturing the same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020090080566A KR101140060B1 (ko) | 2009-08-28 | 2009-08-28 | 반도체 소자 및 그 제조 방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20110023002A true KR20110023002A (ko) | 2011-03-08 |
KR101140060B1 KR101140060B1 (ko) | 2012-05-02 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020090080566A Expired - Fee Related KR101140060B1 (ko) | 2009-08-28 | 2009-08-28 | 반도체 소자 및 그 제조 방법 |
Country Status (2)
Country | Link |
---|---|
US (1) | US8357578B2 (ko) |
KR (1) | KR101140060B1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9905659B2 (en) | 2015-02-12 | 2018-02-27 | Samsung Electronics Co., Ltd. | Semiconductor device having buried gate structure and method of fabricating the same |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101974350B1 (ko) * | 2012-10-26 | 2019-05-02 | 삼성전자주식회사 | 활성 영역을 한정하는 라인 형 트렌치들을 갖는 반도체 소자 및 그 형성 방법 |
US11195950B2 (en) | 2019-07-02 | 2021-12-07 | Samsung Electronics Co., Ltd. | Semiconductor device with at least a portion of gate electrode enclosed by an insulating structure and method of fabricating the same |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100481209B1 (ko) * | 2002-10-01 | 2005-04-08 | 삼성전자주식회사 | 다중 채널을 갖는 모스 트랜지스터 및 그 제조방법 |
KR100615096B1 (ko) * | 2004-11-15 | 2006-08-22 | 삼성전자주식회사 | 다중 채널을 갖는 모스 트랜지스터 제조방법 |
JP4755946B2 (ja) * | 2006-07-11 | 2011-08-24 | 株式会社東芝 | 半導体記憶装置およびその製造方法 |
US8058687B2 (en) | 2007-01-30 | 2011-11-15 | Alpha & Omega Semiconductor, Ltd. | Split gate with different gate materials and work functions to reduce gate resistance of ultra high density MOSFET |
-
2009
- 2009-08-28 KR KR1020090080566A patent/KR101140060B1/ko not_active Expired - Fee Related
- 2009-12-21 US US12/643,861 patent/US8357578B2/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9905659B2 (en) | 2015-02-12 | 2018-02-27 | Samsung Electronics Co., Ltd. | Semiconductor device having buried gate structure and method of fabricating the same |
US10263084B2 (en) | 2015-02-12 | 2019-04-16 | Samsung Electronics Co., Ltd. | Semiconductor device having buried gate structure and method of fabricating the same |
US10886375B2 (en) | 2015-02-12 | 2021-01-05 | Samsung Electronics Co., Ltd. | Semiconductor device having buried gate structure and method of fabricating the same |
Also Published As
Publication number | Publication date |
---|---|
KR101140060B1 (ko) | 2012-05-02 |
US8357578B2 (en) | 2013-01-22 |
US20110049619A1 (en) | 2011-03-03 |
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