CN109326524B - 一种肖特基二极管的加工方法 - Google Patents
一种肖特基二极管的加工方法 Download PDFInfo
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- CN109326524B CN109326524B CN201811474028.3A CN201811474028A CN109326524B CN 109326524 B CN109326524 B CN 109326524B CN 201811474028 A CN201811474028 A CN 201811474028A CN 109326524 B CN109326524 B CN 109326524B
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- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000009792 diffusion process Methods 0.000 claims abstract description 33
- 230000003647 oxidation Effects 0.000 claims abstract description 21
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 21
- 150000002500 ions Chemical class 0.000 claims abstract description 12
- SCYULBFZEHDVBN-UHFFFAOYSA-N 1,1-Dichloroethane Chemical compound CC(Cl)Cl SCYULBFZEHDVBN-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000004065 semiconductor Substances 0.000 claims abstract description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 36
- 238000001259 photo etching Methods 0.000 claims description 31
- 229920002120 photoresistant polymer Polymers 0.000 claims description 21
- 235000012239 silicon dioxide Nutrition 0.000 claims description 18
- 239000000377 silicon dioxide Substances 0.000 claims description 18
- 238000001039 wet etching Methods 0.000 claims description 13
- 238000001704 evaporation Methods 0.000 claims description 12
- 230000008020 evaporation Effects 0.000 claims description 9
- 229910052751 metal Inorganic materials 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 9
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 6
- 238000005036 potential barrier Methods 0.000 claims description 6
- 238000004544 sputter deposition Methods 0.000 claims description 6
- 238000005468 ion implantation Methods 0.000 claims description 5
- 238000000151 deposition Methods 0.000 claims description 4
- 239000000758 substrate Substances 0.000 claims description 4
- QZPSXPBJTPJTSZ-UHFFFAOYSA-N aqua regia Chemical compound Cl.O[N+]([O-])=O QZPSXPBJTPJTSZ-UHFFFAOYSA-N 0.000 claims description 3
- 230000001590 oxidative effect Effects 0.000 claims description 3
- 238000003672 processing method Methods 0.000 abstract description 2
- 238000012797 qualification Methods 0.000 abstract description 2
- 239000007787 solid Substances 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 19
- 238000010586 diagram Methods 0.000 description 11
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- WSLDOOZREJYCGB-UHFFFAOYSA-N 1,2-Dichloroethane Chemical compound ClCCCl WSLDOOZREJYCGB-UHFFFAOYSA-N 0.000 description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- -1 boron ions Chemical class 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910001415 sodium ion Inorganic materials 0.000 description 1
- 239000002344 surface layer 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
- H01L29/66—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
-
- 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
- H01L29/02—Semiconductor bodies ; Multistep manufacturing processes therefor
- H01L29/06—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions
- H01L29/0684—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions characterised by the shape, relative sizes or dispositions of the semiconductor regions or junctions between the regions
-
- 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
- H01L29/66083—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials 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
- H01L29/66196—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials 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 with an active layer made of a group 13/15 material
- H01L29/66204—Diodes
- H01L29/66212—Schottky diodes
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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)
- Electrodes Of Semiconductors (AREA)
Abstract
Description
Claims (4)
Priority Applications (1)
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CN201811474028.3A CN109326524B (zh) | 2018-12-04 | 2018-12-04 | 一种肖特基二极管的加工方法 |
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CN201811474028.3A CN109326524B (zh) | 2018-12-04 | 2018-12-04 | 一种肖特基二极管的加工方法 |
Publications (2)
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CN109326524A CN109326524A (zh) | 2019-02-12 |
CN109326524B true CN109326524B (zh) | 2021-04-16 |
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CN201811474028.3A Active CN109326524B (zh) | 2018-12-04 | 2018-12-04 | 一种肖特基二极管的加工方法 |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63138771A (ja) * | 1986-11-29 | 1988-06-10 | Tdk Corp | シヨツトキバリア形半導体装置およびその製造方法 |
US6218222B1 (en) * | 1997-09-03 | 2001-04-17 | U.S. Philips Corporation | Method of manufacturing a semiconductor device with a schottky junction |
CN102315310A (zh) * | 2010-06-30 | 2012-01-11 | 比亚迪股份有限公司 | 一种太阳能电池片制备中的扩散工艺 |
CN104538300A (zh) * | 2014-12-19 | 2015-04-22 | 扬州国宇电子有限公司 | 一种通过掺杂二氧化硅膜调整肖特基二极管势垒高度的工艺方法 |
CN108493256A (zh) * | 2018-04-28 | 2018-09-04 | 江阴新顺微电子有限公司 | 一种无铝下cvd肖特基二极管芯片及制造工艺 |
-
2018
- 2018-12-04 CN CN201811474028.3A patent/CN109326524B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63138771A (ja) * | 1986-11-29 | 1988-06-10 | Tdk Corp | シヨツトキバリア形半導体装置およびその製造方法 |
US6218222B1 (en) * | 1997-09-03 | 2001-04-17 | U.S. Philips Corporation | Method of manufacturing a semiconductor device with a schottky junction |
CN102315310A (zh) * | 2010-06-30 | 2012-01-11 | 比亚迪股份有限公司 | 一种太阳能电池片制备中的扩散工艺 |
CN104538300A (zh) * | 2014-12-19 | 2015-04-22 | 扬州国宇电子有限公司 | 一种通过掺杂二氧化硅膜调整肖特基二极管势垒高度的工艺方法 |
CN108493256A (zh) * | 2018-04-28 | 2018-09-04 | 江阴新顺微电子有限公司 | 一种无铝下cvd肖特基二极管芯片及制造工艺 |
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Effective date of registration: 20220722 Address after: 410221 2301, Lugu Yuyuan entrepreneurial building, No. 27 Wenxuan Road, Changsha high tech Development Zone, Changsha, Hunan Province Patentee after: Hunan Chuwei Semiconductor Technology Co.,Ltd. Address before: 225008 phase III of Jiangyang Pioneer Park, pingshantang North Road, Hanjiang District, Yangzhou City, Jiangsu Province Patentee before: YANGZHOU YANGJIE ELECTRONIC TECHNOLOGY Co.,Ltd. |
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Effective date of registration: 20230511 Address after: 223900 Electronic Information Industry Park East Area 12 #, Sihong Economic Development Zone, Suqian City, Jiangsu Province Patentee after: Sihong red core semiconductor Co.,Ltd. Address before: 410221 2301, Lugu Yuyuan entrepreneurial building, No. 27 Wenxuan Road, Changsha high tech Development Zone, Changsha, Hunan Province Patentee before: Hunan Chuwei Semiconductor Technology Co.,Ltd. |
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