CN103021858B - 一种低导通电阻的功率mos晶体管器件及其制备方法 - Google Patents
一种低导通电阻的功率mos晶体管器件及其制备方法 Download PDFInfo
- Publication number
- CN103021858B CN103021858B CN201110305952.0A CN201110305952A CN103021858B CN 103021858 B CN103021858 B CN 103021858B CN 201110305952 A CN201110305952 A CN 201110305952A CN 103021858 B CN103021858 B CN 103021858B
- Authority
- CN
- China
- Prior art keywords
- substrate
- epitaxial loayer
- groove
- layer
- etching
- 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.)
- Active
Links
- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- 239000004065 semiconductor Substances 0.000 title abstract description 14
- 229910044991 metal oxide Inorganic materials 0.000 title abstract 2
- 150000004706 metal oxides Chemical class 0.000 title abstract 2
- 239000000758 substrate Substances 0.000 claims abstract description 227
- 238000000034 method Methods 0.000 claims abstract description 141
- 229910052751 metal Inorganic materials 0.000 claims description 283
- 239000002184 metal Substances 0.000 claims description 283
- 238000005530 etching Methods 0.000 claims description 126
- 230000004888 barrier function Effects 0.000 claims description 100
- 239000000463 material Substances 0.000 claims description 91
- 238000002161 passivation Methods 0.000 claims description 81
- 229910045601 alloy Inorganic materials 0.000 claims description 79
- 239000000956 alloy Substances 0.000 claims description 79
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 42
- 230000008878 coupling Effects 0.000 claims description 41
- 238000010168 coupling process Methods 0.000 claims description 41
- 238000005859 coupling reaction Methods 0.000 claims description 41
- 230000008021 deposition Effects 0.000 claims description 36
- 230000008569 process Effects 0.000 claims description 33
- WGTYBPLFGIVFAS-UHFFFAOYSA-M tetramethylammonium hydroxide Chemical compound [OH-].C[N+](C)(C)C WGTYBPLFGIVFAS-UHFFFAOYSA-M 0.000 claims description 32
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 31
- 238000001039 wet etching Methods 0.000 claims description 17
- 239000007788 liquid Substances 0.000 claims description 14
- YCIMNLLNPGFGHC-UHFFFAOYSA-N catechol Chemical compound OC1=CC=CC=C1O YCIMNLLNPGFGHC-UHFFFAOYSA-N 0.000 claims description 12
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 8
- 238000006243 chemical reaction Methods 0.000 claims description 7
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 claims description 6
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims description 6
- 239000000377 silicon dioxide Substances 0.000 claims description 4
- 235000012239 silicon dioxide Nutrition 0.000 claims description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract description 15
- 229910052710 silicon Inorganic materials 0.000 abstract description 15
- 239000010703 silicon Substances 0.000 abstract description 15
- 230000005669 field effect Effects 0.000 abstract 1
- 238000004806 packaging method and process Methods 0.000 abstract 1
- 238000011049 filling Methods 0.000 description 62
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 57
- 229920005591 polysilicon Polymers 0.000 description 57
- 239000004020 conductor Substances 0.000 description 51
- 238000000151 deposition Methods 0.000 description 39
- 150000002500 ions Chemical class 0.000 description 18
- 239000011248 coating agent Substances 0.000 description 16
- 238000000576 coating method Methods 0.000 description 16
- 239000000243 solution Substances 0.000 description 13
- 230000000717 retained effect Effects 0.000 description 12
- 230000015572 biosynthetic process Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 9
- 206010021703 Indifference Diseases 0.000 description 4
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 238000001312 dry etching Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 3
- 229910052721 tungsten Inorganic materials 0.000 description 3
- 239000010937 tungsten Substances 0.000 description 3
- 238000000137 annealing Methods 0.000 description 2
- 238000003486 chemical etching Methods 0.000 description 2
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- 238000006056 electrooxidation reaction Methods 0.000 description 2
- 239000007943 implant Substances 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 238000005468 ion implantation Methods 0.000 description 2
- 238000000608 laser ablation Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000005380 borophosphosilicate glass Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 239000002019 doping agent Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000004518 low pressure chemical vapour deposition Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 229910052752 metalloid Inorganic materials 0.000 description 1
- 150000002738 metalloids Chemical class 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 238000001259 photo etching Methods 0.000 description 1
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 description 1
- 231100000175 potential carcinogenicity Toxicity 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
Landscapes
- Insulated Gate Type Field-Effect Transistor (AREA)
- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
- Electrodes Of Semiconductors (AREA)
Abstract
Description
Claims (18)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201110305952.0A CN103021858B (zh) | 2011-09-27 | 2011-09-27 | 一种低导通电阻的功率mos晶体管器件及其制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201110305952.0A CN103021858B (zh) | 2011-09-27 | 2011-09-27 | 一种低导通电阻的功率mos晶体管器件及其制备方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN103021858A CN103021858A (zh) | 2013-04-03 |
CN103021858B true CN103021858B (zh) | 2015-05-27 |
Family
ID=47970326
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201110305952.0A Active CN103021858B (zh) | 2011-09-27 | 2011-09-27 | 一种低导通电阻的功率mos晶体管器件及其制备方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN103021858B (zh) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104779164B (zh) * | 2014-01-15 | 2017-11-14 | 北大方正集团有限公司 | 一种提高沟槽型vdmos栅氧层击穿电压的方法 |
CN103922272B (zh) * | 2014-04-25 | 2016-01-20 | 上海先进半导体制造股份有限公司 | 复合腔体及其形成方法 |
CN105097916A (zh) | 2014-05-05 | 2015-11-25 | 中芯国际集成电路制造(上海)有限公司 | Mos晶体管器件及其制作方法 |
CN105448981A (zh) * | 2014-06-20 | 2016-03-30 | 北大方正集团有限公司 | 一种vdmos器件及其漏极结构和制作方法 |
GB2535484B (en) * | 2015-02-17 | 2019-10-09 | Dynex Semiconductor Ltd | Wafer metallization of high power semiconductor devices |
CN105552053B (zh) * | 2016-02-23 | 2019-03-08 | 华天科技(昆山)电子有限公司 | Mosfet封装结构及其晶圆级制作方法 |
CN106952876A (zh) * | 2017-03-16 | 2017-07-14 | 浙江大学 | 一种金属叠层填沟槽阵列的碳化硅衬底结构 |
CN106960871A (zh) * | 2017-03-16 | 2017-07-18 | 浙江大学 | 一种带沟槽阵列和空腔的碳化硅衬底结构 |
CN108336129B (zh) * | 2018-01-12 | 2021-09-21 | 中国科学院微电子研究所 | 超级结肖特基二极管与其制作方法 |
CN116093139A (zh) * | 2023-03-07 | 2023-05-09 | 杭州朋声科技有限公司 | 一种低导通电阻的mosfet功率器件、制造方法及芯片 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN87106746A (zh) * | 1986-10-01 | 1988-04-13 | Bbc勃朗·勃威力有限公司 | 半导体元件 |
US6111280A (en) * | 1997-01-15 | 2000-08-29 | University Of Warwick | Gas-sensing semiconductor devices |
CN1470073A (zh) * | 2000-09-21 | 2004-01-21 | ���Ű뵼������˾ | 半导体器件及其制作方法 |
CN1474459A (zh) * | 2002-08-09 | 2004-02-11 | ������������ʽ���� | 具有高度结构可靠性和低寄生电容的半导体器件 |
-
2011
- 2011-09-27 CN CN201110305952.0A patent/CN103021858B/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN87106746A (zh) * | 1986-10-01 | 1988-04-13 | Bbc勃朗·勃威力有限公司 | 半导体元件 |
US6111280A (en) * | 1997-01-15 | 2000-08-29 | University Of Warwick | Gas-sensing semiconductor devices |
CN1470073A (zh) * | 2000-09-21 | 2004-01-21 | ���Ű뵼������˾ | 半导体器件及其制作方法 |
CN1474459A (zh) * | 2002-08-09 | 2004-02-11 | ������������ʽ���� | 具有高度结构可靠性和低寄生电容的半导体器件 |
Also Published As
Publication number | Publication date |
---|---|
CN103021858A (zh) | 2013-04-03 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN103021858B (zh) | 一种低导通电阻的功率mos晶体管器件及其制备方法 | |
US9318603B2 (en) | Method of making a low-Rdson vertical power MOSFET device | |
US6586800B2 (en) | Trench-gate semiconductor devices | |
CN108767004B (zh) | 一种分离栅mosfet器件结构及其制造方法 | |
KR101521423B1 (ko) | 반도체 디바이스 | |
US7745877B2 (en) | Semiconductor device and manufacturing method thereof | |
US7371641B2 (en) | Method of making a trench MOSFET with deposited oxide | |
EP1340263B1 (en) | Trench-gate field-effect transistors and their manufacture | |
JP6673856B2 (ja) | 炭化珪素装置および炭化珪素装置の形成方法 | |
US20110049564A1 (en) | Integrated schottky diode in high voltage semiconductor device | |
CN103872099B (zh) | 具有阶梯状边缘终端的半导体器件,以及用于制造半导体器件的方法 | |
US20090278198A1 (en) | Deep source electrode MOSFET | |
US9570576B2 (en) | Method for forming a semiconductor device having insulating parts or layers formed via anodic oxidation | |
CN108364870A (zh) | 改善栅极氧化层质量的屏蔽栅沟槽mosfet制造方法 | |
CN103456791A (zh) | 沟槽功率mosfet | |
WO2007117307A3 (en) | Trench field plate termination for power devices | |
CN108735605A (zh) | 改善沟槽底部场板形貌的屏蔽栅沟槽mosfet制造方法 | |
JPWO2011039888A1 (ja) | 半導体装置 | |
CN103633063A (zh) | 半导体器件、集成电路及其制造方法 | |
CN111415867A (zh) | 一种半导体功率器件结构及其制造方法 | |
CN109524472A (zh) | 新型功率mosfet器件及其制备方法 | |
US7566622B2 (en) | Early contact, high cell density process | |
CN115148826A (zh) | 一种深沟槽碳化硅jfet结构的制作方法 | |
CN103311270B (zh) | 逆导型igbt半导体器件及制造方法 | |
CN104681438B (zh) | 一种半导体器件的形成方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20161012 Address after: 400700 Chongqing city Beibei district and high tech Industrial Park the road No. 5 of 407 Patentee after: Chongqing Wanguo Semiconductor Technology Co.,Ltd. Address before: Bermuda Hamilton Church 2 Cola Lunden House Street Patentee before: ALPHA & OMEGA SEMICONDUCTOR, Ltd. Effective date of registration: 20161012 Address after: Bermuda Hamilton Church 2 Cola Lunden House Street Patentee after: ALPHA & OMEGA SEMICONDUCTOR, Ltd. Address before: No. 475 California, 94085 oak Avenue in Sunnyvale, Mead Patentee before: ALPHA & OMEGA SEMICONDUCTOR, Ltd. |
|
PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Power MOS (Metal Oxide Semiconductor) transistor device with low on resistance and preparation method thereof Effective date of registration: 20191210 Granted publication date: 20150527 Pledgee: Chongqing Branch of China Development Bank Pledgor: Chongqing Wanguo Semiconductor Technology Co.,Ltd. Registration number: Y2019500000007 |
|
PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20150527 Pledgee: Chongqing Branch of China Development Bank Pledgor: Chongqing Wanguo Semiconductor Technology Co.,Ltd. Registration number: Y2019500000007 |