CN103579078A - 抑制浅沟槽隔离工艺中反向窄沟道效应的方法 - Google Patents
抑制浅沟槽隔离工艺中反向窄沟道效应的方法 Download PDFInfo
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- CN103579078A CN103579078A CN201210270363.8A CN201210270363A CN103579078A CN 103579078 A CN103579078 A CN 103579078A CN 201210270363 A CN201210270363 A CN 201210270363A CN 103579078 A CN103579078 A CN 103579078A
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- active area
- shallow trench
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- silicon nitride
- silicon
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Links
- 238000000034 method Methods 0.000 title claims abstract description 26
- 238000005516 engineering process Methods 0.000 title abstract description 9
- 238000002955 isolation Methods 0.000 title abstract description 8
- 230000000694 effects Effects 0.000 title abstract description 6
- 230000000452 restraining effect Effects 0.000 title abstract 3
- 229910052581 Si3N4 Inorganic materials 0.000 claims abstract description 21
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims abstract description 21
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 16
- 235000012239 silicon dioxide Nutrition 0.000 claims abstract description 8
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 8
- 238000002347 injection Methods 0.000 claims abstract description 7
- 239000007924 injection Substances 0.000 claims abstract description 7
- 238000001039 wet etching Methods 0.000 claims abstract description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 18
- 229910052710 silicon Inorganic materials 0.000 claims description 18
- 239000010703 silicon Substances 0.000 claims description 18
- 238000005530 etching Methods 0.000 claims description 15
- 238000002513 implantation Methods 0.000 claims description 14
- 238000000926 separation method Methods 0.000 claims description 14
- 239000000758 substrate Substances 0.000 claims description 9
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- 238000001259 photo etching Methods 0.000 claims description 4
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 3
- 238000005260 corrosion Methods 0.000 claims description 3
- 230000007797 corrosion Effects 0.000 claims description 3
- 239000002019 doping agent Substances 0.000 claims description 3
- 239000004065 semiconductor Substances 0.000 abstract description 17
- 229910044991 metal oxide Inorganic materials 0.000 abstract description 10
- 150000004706 metal oxides Chemical class 0.000 abstract description 10
- 150000002500 ions Chemical class 0.000 abstract 3
- 239000000126 substance Substances 0.000 abstract 1
- 230000005669 field effect Effects 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 230000003071 parasitic effect Effects 0.000 description 6
- 229940090044 injection Drugs 0.000 description 4
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 3
- 229920005591 polysilicon Polymers 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- H01L29/66553—Unipolar field-effect transistors with an insulated gate, i.e. MISFET using inside spacers, permanent or not
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Ceramic Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Element Separation (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
Abstract
Description
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201210270363.8A CN103579078A (zh) | 2012-07-31 | 2012-07-31 | 抑制浅沟槽隔离工艺中反向窄沟道效应的方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201210270363.8A CN103579078A (zh) | 2012-07-31 | 2012-07-31 | 抑制浅沟槽隔离工艺中反向窄沟道效应的方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN103579078A true CN103579078A (zh) | 2014-02-12 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201210270363.8A Pending CN103579078A (zh) | 2012-07-31 | 2012-07-31 | 抑制浅沟槽隔离工艺中反向窄沟道效应的方法 |
Country Status (1)
Country | Link |
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CN (1) | CN103579078A (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103809242A (zh) * | 2014-03-10 | 2014-05-21 | 四川飞阳科技有限公司 | 一种用于平面光波导器件的薄膜制备方法 |
CN117747536A (zh) * | 2024-02-21 | 2024-03-22 | 合肥晶合集成电路股份有限公司 | 一种半导体器件的制备方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20070082450A1 (en) * | 2003-10-17 | 2007-04-12 | Koninklijke Philips Electronics N.V. | Semiconductor device and method of manufacturing such a semiconductor device |
CN101877316A (zh) * | 2009-02-05 | 2010-11-03 | 台湾积体电路制造股份有限公司 | 隔离区域注入和结构 |
CN102110636A (zh) * | 2009-12-29 | 2011-06-29 | 中芯国际集成电路制造(上海)有限公司 | 改善反窄沟道效应及制作mos晶体管的方法 |
-
2012
- 2012-07-31 CN CN201210270363.8A patent/CN103579078A/zh active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20070082450A1 (en) * | 2003-10-17 | 2007-04-12 | Koninklijke Philips Electronics N.V. | Semiconductor device and method of manufacturing such a semiconductor device |
CN101877316A (zh) * | 2009-02-05 | 2010-11-03 | 台湾积体电路制造股份有限公司 | 隔离区域注入和结构 |
CN102110636A (zh) * | 2009-12-29 | 2011-06-29 | 中芯国际集成电路制造(上海)有限公司 | 改善反窄沟道效应及制作mos晶体管的方法 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103809242A (zh) * | 2014-03-10 | 2014-05-21 | 四川飞阳科技有限公司 | 一种用于平面光波导器件的薄膜制备方法 |
CN117747536A (zh) * | 2024-02-21 | 2024-03-22 | 合肥晶合集成电路股份有限公司 | 一种半导体器件的制备方法 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
ASS | Succession or assignment of patent right |
Owner name: SHANGHAI HUAHONG GRACE SEMICONDUCTOR MANUFACTURING Free format text: FORMER OWNER: HUAHONG NEC ELECTRONICS CO LTD, SHANGHAI Effective date: 20140117 |
|
C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 201206 PUDONG NEW AREA, SHANGHAI TO: 201203 PUDONG NEW AREA, SHANGHAI |
|
TA01 | Transfer of patent application right |
Effective date of registration: 20140117 Address after: 201203 Shanghai city Zuchongzhi road Pudong New Area Zhangjiang hi tech Park No. 1399 Applicant after: Shanghai Huahong Grace Semiconductor Manufacturing Corporation Address before: 201206, Shanghai, Pudong New Area, Sichuan Road, No. 1188 Bridge Applicant before: Shanghai Huahong NEC Electronics Co., Ltd. |
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SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140212 |
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RJ01 | Rejection of invention patent application after publication |