CN114464532B - 碳化硅肖特基二极管的制造方法 - Google Patents
碳化硅肖特基二极管的制造方法 Download PDFInfo
- Publication number
- CN114464532B CN114464532B CN202210383943.1A CN202210383943A CN114464532B CN 114464532 B CN114464532 B CN 114464532B CN 202210383943 A CN202210383943 A CN 202210383943A CN 114464532 B CN114464532 B CN 114464532B
- Authority
- CN
- China
- Prior art keywords
- layer
- bpsg
- silicon nitride
- silicon dioxide
- silicon
- 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
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 title claims abstract description 49
- 229910010271 silicon carbide Inorganic materials 0.000 title claims abstract description 49
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims description 21
- 229910052751 metal Inorganic materials 0.000 claims abstract description 15
- 239000002184 metal Substances 0.000 claims abstract description 15
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 76
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 43
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 43
- 235000012239 silicon dioxide Nutrition 0.000 claims description 38
- 239000000377 silicon dioxide Substances 0.000 claims description 38
- 239000005380 borophosphosilicate glass Substances 0.000 claims description 36
- 239000002131 composite material Substances 0.000 claims description 21
- 239000000758 substrate Substances 0.000 claims description 16
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 9
- 229910052799 carbon Inorganic materials 0.000 claims description 9
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- -1 aluminum ions Chemical class 0.000 claims description 4
- 238000005468 ion implantation Methods 0.000 claims description 3
- 239000011148 porous material Substances 0.000 claims description 3
- 238000000137 annealing Methods 0.000 claims description 2
- 238000000151 deposition Methods 0.000 claims description 2
- 230000005684 electric field Effects 0.000 abstract description 14
- 230000000694 effects Effects 0.000 abstract description 4
- 239000004065 semiconductor Substances 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 8
- 230000015572 biosynthetic process Effects 0.000 description 5
- 210000004027 cell Anatomy 0.000 description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 238000004544 sputter deposition Methods 0.000 description 4
- 238000007740 vapor deposition Methods 0.000 description 4
- 238000005530 etching Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000000873 masking effect Effects 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 238000001259 photo etching Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 238000001039 wet etching Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000003850 cellular structure Anatomy 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001312 dry etching Methods 0.000 description 1
- 230000005685 electric field effect Effects 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000006467 substitution reaction 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
- H01L29/66053—Multistep manufacturing processes of devices having a semiconductor body comprising crystalline silicon carbide
- H01L29/6606—Multistep manufacturing processes of devices having a semiconductor body comprising crystalline silicon carbide the devices being controllable only by variation of the electric current supplied or the electric potential applied, to one or more of the electrodes carrying the current to be rectified, amplified, oscillated or switched, e.g. two-terminal devices
-
- 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
- H01L29/86—Types of semiconductor device ; Multistep manufacturing processes therefor controllable only by variation of the electric current supplied, or only the electric potential applied, to one or more of the electrodes carrying the current to be rectified, amplified, oscillated or switched
- H01L29/861—Diodes
- H01L29/872—Schottky diodes
- H01L29/8725—Schottky diodes of the trench MOS barrier type [TMBS]
Landscapes
- 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)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Electrodes Of Semiconductors (AREA)
Abstract
Description
Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202210383943.1A CN114464532B (zh) | 2022-04-13 | 2022-04-13 | 碳化硅肖特基二极管的制造方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202210383943.1A CN114464532B (zh) | 2022-04-13 | 2022-04-13 | 碳化硅肖特基二极管的制造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN114464532A CN114464532A (zh) | 2022-05-10 |
CN114464532B true CN114464532B (zh) | 2022-07-12 |
Family
ID=81418636
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202210383943.1A Active CN114464532B (zh) | 2022-04-13 | 2022-04-13 | 碳化硅肖特基二极管的制造方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN114464532B (zh) |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20090224354A1 (en) * | 2008-03-05 | 2009-09-10 | Cree, Inc. | Junction barrier schottky diode with submicron channels |
JP2013120822A (ja) * | 2011-12-07 | 2013-06-17 | Sumitomo Electric Ind Ltd | 半導体装置の製造方法 |
US9589958B1 (en) * | 2016-01-22 | 2017-03-07 | International Business Machines Corporation | Pitch scalable active area patterning structure and process for multi-channel finFET technologies |
CN109103077A (zh) * | 2018-08-30 | 2018-12-28 | 深圳基本半导体有限公司 | 离子注入方法及掩膜层结构 |
CN112993017B (zh) * | 2021-02-23 | 2022-08-09 | 厦门市三安集成电路有限公司 | 碳化硅器件外延结构及其制备方法 |
-
2022
- 2022-04-13 CN CN202210383943.1A patent/CN114464532B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
CN114464532A (zh) | 2022-05-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR101084067B1 (ko) | 태양 전지 및 이의 제조 방법 | |
US6518152B2 (en) | Method of forming a trench schottky rectifier | |
KR100246975B1 (ko) | 반도체 장치의 제조방법 | |
CN115274435B (zh) | 一种凸形碳化硅mps器件及其制备方法、芯片 | |
CN115241062B (zh) | 一种凸形碳化硅jbs器件及其制备方法、芯片 | |
US8183660B2 (en) | Semiconductor component having rectifying junctions of different magnitudes and method for producing the same | |
CN114464531B (zh) | 碳化硅肖特基二极管的制造方法 | |
CN114464532B (zh) | 碳化硅肖特基二极管的制造方法 | |
CN113193039A (zh) | 沟槽型igbt原胞结构制作方法和沟槽型igbt原胞结构 | |
CN110931569A (zh) | 具有肖特基金属结的半导体装置及其制作方法 | |
CN114530504B (zh) | 一种高阈值电压SiC MOSFET器件及其制造方法 | |
CN210607277U (zh) | 具有肖特基金属结的半导体装置 | |
CN114446784A (zh) | 碳化硅结势垒肖特基二极管及其制备方法 | |
WO2022028365A1 (zh) | 一种沟槽型肖特基二极管终端结构及其制作方法 | |
CN115394853A (zh) | 一种沟槽型碳化硅mosfet器件结构及其制备方法 | |
JP4100071B2 (ja) | 半導体装置 | |
CN113363315A (zh) | 平面t型栅晶体管原胞结构及制作方法 | |
CN108470719B (zh) | 一种复合型tmbs器件及其制造方法 | |
CN217691183U (zh) | 一种新型碳化硅肖特基二极管 | |
CN108461549A (zh) | 一种碳化硅二极管器件及其制备方法 | |
CN117153894B (zh) | 一种中高压肖特基二极管芯片结构及其制备方法 | |
CN117594658A (zh) | 一种沟槽型场效应晶体管及其制备方法 | |
CN102376758B (zh) | 绝缘栅双极晶体管、制作方法及沟槽栅结构制作方法 | |
CN116779648A (zh) | 一种肖特基二极管版图结构及其制作方法 | |
CN116884996A (zh) | 一种降低关断损耗的igbt芯片及其制作方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20220510 Assignee: Suzhou Heyu Finance Leasing Co.,Ltd. Assignor: SHENZHEN XINER SEMICONDUCTOR TECHNOLOGY Co.,Ltd. Contract record no.: X2023980039186 Denomination of invention: Manufacturing method of silicon carbide Schottky diode Granted publication date: 20220712 License type: Exclusive License Record date: 20230808 |
|
EE01 | Entry into force of recordation of patent licensing contract | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Manufacturing method of silicon carbide Schottky diode Effective date of registration: 20230810 Granted publication date: 20220712 Pledgee: Suzhou Heyu Finance Leasing Co.,Ltd. Pledgor: SHENZHEN XINER SEMICONDUCTOR TECHNOLOGY Co.,Ltd. Registration number: Y2023980051584 |
|
PE01 | Entry into force of the registration of the contract for pledge of patent right |