JPWO2014057700A1 - 半導体装置およびその製造方法 - Google Patents
半導体装置およびその製造方法 Download PDFInfo
- Publication number
- JPWO2014057700A1 JPWO2014057700A1 JP2014540763A JP2014540763A JPWO2014057700A1 JP WO2014057700 A1 JPWO2014057700 A1 JP WO2014057700A1 JP 2014540763 A JP2014540763 A JP 2014540763A JP 2014540763 A JP2014540763 A JP 2014540763A JP WO2014057700 A1 JPWO2014057700 A1 JP WO2014057700A1
- Authority
- JP
- Japan
- Prior art keywords
- layer
- type
- semiconductor device
- layers
- concentration impurity
- 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.)
- Granted
Links
- 239000004065 semiconductor Substances 0.000 title claims abstract description 574
- 238000004519 manufacturing process Methods 0.000 title claims description 53
- 239000012535 impurity Substances 0.000 claims abstract description 398
- 230000005684 electric field Effects 0.000 claims abstract description 292
- 239000000758 substrate Substances 0.000 claims abstract description 244
- 238000002513 implantation Methods 0.000 claims abstract description 215
- 230000002093 peripheral effect Effects 0.000 claims abstract description 62
- 239000010410 layer Substances 0.000 claims description 1383
- 238000010438 heat treatment Methods 0.000 claims description 76
- 238000005468 ion implantation Methods 0.000 claims description 72
- 239000011229 interlayer Substances 0.000 claims description 55
- 238000009826 distribution Methods 0.000 claims description 45
- 238000000034 method Methods 0.000 claims description 32
- 230000015572 biosynthetic process Effects 0.000 claims description 28
- 239000000463 material Substances 0.000 claims description 15
- 230000004888 barrier function Effects 0.000 claims description 11
- 238000005530 etching Methods 0.000 claims description 7
- 230000000737 periodic effect Effects 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 238000002347 injection Methods 0.000 abstract description 437
- 239000007924 injection Substances 0.000 abstract description 437
- 238000009792 diffusion process Methods 0.000 abstract description 265
- 230000015556 catabolic process Effects 0.000 description 102
- 238000004088 simulation Methods 0.000 description 100
- 150000002500 ions Chemical class 0.000 description 60
- 230000004048 modification Effects 0.000 description 31
- 238000012986 modification Methods 0.000 description 31
- 238000002161 passivation Methods 0.000 description 20
- 230000008569 process Effects 0.000 description 16
- 230000000694 effects Effects 0.000 description 15
- 230000007423 decrease Effects 0.000 description 10
- 238000000926 separation method Methods 0.000 description 7
- 230000003247 decreasing effect Effects 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 230000004913 activation Effects 0.000 description 4
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 238000013459 approach Methods 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 229910052796 boron Inorganic materials 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000003292 diminished effect Effects 0.000 description 2
- 230000005669 field effect Effects 0.000 description 2
- -1 for example Chemical class 0.000 description 2
- 239000007943 implant Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical compound [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. 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 adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. 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
- H01L29/8611—Planar PN junction diodes
-
- 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 at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer
- H01L21/0445—Manufacture or treatment of semiconductor devices or of parts thereof the devices having at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising crystalline silicon carbide
- H01L21/0455—Making n or p doped regions or layers, e.g. using diffusion
- H01L21/046—Making n or p doped regions or layers, e.g. using diffusion using ion implantation
-
- 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 at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer
- H01L21/0445—Manufacture or treatment of semiconductor devices or of parts thereof the devices having at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising crystalline silicon carbide
- H01L21/0455—Making n or p doped regions or layers, e.g. using diffusion
- H01L21/046—Making n or p doped regions or layers, e.g. using diffusion using ion implantation
- H01L21/0465—Making n or p doped regions or layers, e.g. using diffusion using ion implantation using masks
-
- 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 at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic System or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/26—Bombardment with radiation
- H01L21/263—Bombardment with radiation with high-energy radiation
- H01L21/265—Bombardment with radiation with high-energy radiation producing ion implantation
- H01L21/266—Bombardment with radiation with high-energy radiation producing ion implantation using masks
-
- 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 at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic System 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
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/76—Making of isolation regions between components
- H01L21/765—Making of isolation regions between components by field effect
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. 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
- H01L29/0603—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 particular constructional design considerations, e.g. for preventing surface leakage, for controlling electric field concentration or for internal isolations regions
- H01L29/0607—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 particular constructional design considerations, e.g. for preventing surface leakage, for controlling electric field concentration or for internal isolations regions for preventing surface leakage or controlling electric field concentration
- H01L29/0611—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 particular constructional design considerations, e.g. for preventing surface leakage, for controlling electric field concentration or for internal isolations regions for preventing surface leakage or controlling electric field concentration for increasing or controlling the breakdown voltage of reverse biased devices
- H01L29/0615—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 particular constructional design considerations, e.g. for preventing surface leakage, for controlling electric field concentration or for internal isolations regions for preventing surface leakage or controlling electric field concentration for increasing or controlling the breakdown voltage of reverse biased devices by the doping profile or the shape or the arrangement of the PN junction, or with supplementary regions, e.g. junction termination extension [JTE]
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. 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
- H01L29/0603—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 particular constructional design considerations, e.g. for preventing surface leakage, for controlling electric field concentration or for internal isolations regions
- H01L29/0607—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 particular constructional design considerations, e.g. for preventing surface leakage, for controlling electric field concentration or for internal isolations regions for preventing surface leakage or controlling electric field concentration
- H01L29/0611—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 particular constructional design considerations, e.g. for preventing surface leakage, for controlling electric field concentration or for internal isolations regions for preventing surface leakage or controlling electric field concentration for increasing or controlling the breakdown voltage of reverse biased devices
- H01L29/0615—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 particular constructional design considerations, e.g. for preventing surface leakage, for controlling electric field concentration or for internal isolations regions for preventing surface leakage or controlling electric field concentration for increasing or controlling the breakdown voltage of reverse biased devices by the doping profile or the shape or the arrangement of the PN junction, or with supplementary regions, e.g. junction termination extension [JTE]
- H01L29/0619—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 particular constructional design considerations, e.g. for preventing surface leakage, for controlling electric field concentration or for internal isolations regions for preventing surface leakage or controlling electric field concentration for increasing or controlling the breakdown voltage of reverse biased devices by the doping profile or the shape or the arrangement of the PN junction, or with supplementary regions, e.g. junction termination extension [JTE] with a supplementary region doped oppositely to or in rectifying contact with the semiconductor containing or contacting region, e.g. guard rings with PN or Schottky junction
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. 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
- H01L29/0603—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 particular constructional design considerations, e.g. for preventing surface leakage, for controlling electric field concentration or for internal isolations regions
- H01L29/0607—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 particular constructional design considerations, e.g. for preventing surface leakage, for controlling electric field concentration or for internal isolations regions for preventing surface leakage or controlling electric field concentration
- H01L29/0611—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 particular constructional design considerations, e.g. for preventing surface leakage, for controlling electric field concentration or for internal isolations regions for preventing surface leakage or controlling electric field concentration for increasing or controlling the breakdown voltage of reverse biased devices
- H01L29/0615—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 particular constructional design considerations, e.g. for preventing surface leakage, for controlling electric field concentration or for internal isolations regions for preventing surface leakage or controlling electric field concentration for increasing or controlling the breakdown voltage of reverse biased devices by the doping profile or the shape or the arrangement of the PN junction, or with supplementary regions, e.g. junction termination extension [JTE]
- H01L29/063—Reduced surface field [RESURF] pn-junction structures
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. 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
- H01L29/66068—Multistep manufacturing processes of devices having a semiconductor body comprising crystalline silicon carbide 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. 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
- H01L29/6609—Diodes
- H01L29/66136—PN junction diodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. 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
- H01L29/6609—Diodes
- H01L29/66143—Schottky diodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. 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
- H01L29/66234—Bipolar junction transistors [BJT]
- H01L29/66325—Bipolar junction transistors [BJT] controlled by field-effect, e.g. insulated gate bipolar transistors [IGBT]
- H01L29/66333—Vertical insulated gate bipolar transistors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. 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
- H01L29/66363—Thyristors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. 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
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/70—Bipolar devices
- H01L29/72—Transistor-type devices, i.e. able to continuously respond to applied control signals
- H01L29/739—Transistor-type devices, i.e. able to continuously respond to applied control signals controlled by field-effect, e.g. bipolar static induction transistors [BSIT]
- H01L29/7393—Insulated gate bipolar mode transistors, i.e. IGBT; IGT; COMFET
- H01L29/7395—Vertical transistors, e.g. vertical IGBT
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. 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
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/70—Bipolar devices
- H01L29/74—Thyristor-type devices, e.g. having four-zone regenerative action
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. 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
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
- H01L29/7801—DMOS transistors, i.e. MISFETs with a channel accommodating body or base region adjoining a drain drift region
- H01L29/7802—Vertical DMOS transistors, i.e. VDMOS transistors
- H01L29/7811—Vertical DMOS transistors, i.e. VDMOS transistors with an edge termination structure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. 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
- H01L29/868—PIN diodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. 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 adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. 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
- H01L29/12—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by the materials of which they are formed
- H01L29/16—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by the materials of which they are formed including, apart from doping materials or other impurities, only elements of Group IV of the Periodic System
- H01L29/1608—Silicon carbide
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. 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
- H01L29/12—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by the materials of which they are formed
- H01L29/20—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by the materials of which they are formed including, apart from doping materials or other impurities, only AIIIBV compounds
- H01L29/2003—Nitride compounds
Abstract
Description
図1は、本発明の第1の実施の形態の半導体装置1の構成を示す平面図である。本実施の形態では、半導体装置1を縦型のダイオードに適用した場合の構成であるPINダイオードの構成を示している。図2は、図1の切断面線II−IIから見た断面図である。
図24は、本発明の第2の実施の形態における半導体装置2の構成を示す平面図および断面図である。図24(a)は、本発明の第2の実施の形態における半導体装置2の構成を示す平面図であり、図24(b)は、本発明の第2の実施の形態における半導体装置2の構成を示す断面図である。
図29は、本発明の第3の実施の形態における半導体装置3の構成を示す断面図である。本実施の形態の半導体装置3は、第1の実施の形態の半導体装置1と構成が類似しているので、同一の構成については同一の参照符号を付して、共通する説明を省略する。図29では、前述の図3と同様に、電界緩和層90の部分を拡大して示している。
図32は、本発明の第4の実施の形態における半導体装置4の構成を示す平面図および断面図である。図32(a)は、本発明の第4の実施の形態における半導体装置4の構成を示す平面図であり、図32(b)は、本発明の第4の実施の形態における半導体装置4の構成を示す断面図である。
図34は、本発明の第4の実施の形態の変形例における半導体装置5の構成を示す平面図および断面図である。図34(a)は、本発明の第4の実施の形態の変形例における半導体装置5の構成を示す平面図であり、図34(b)は、本発明の第4の実施の形態の変形例における半導体装置5の構成を示す断面図である。本変形例においても、第1の実施の形態と同様に、本変形例の半導体装置5をPINダイオードに適用した場合の構成について説明する。本変形例の半導体装置5は、第1の実施の形態の半導体装置1と構成が類似しているので、同一の構成については同一の参照符号を付して、共通する説明を省略する。図34では、電界緩和層130の部分を拡大して示している。
前述の第1および第3の実施の形態では、熱処理によってアクセプタイオンを拡散させて、電界緩和層13,90を形成しているが、電界緩和層は、熱拡散を用いなくても形成することができる。
図29は、第1の参考形態における半導体装置3の構成を示す断面図である。本参考形態の半導体装置3は、第1の実施の形態の半導体装置1と構成が類似しているので、同一の構成については同一の参照符号を付して、共通する説明を省略する。図29では、前述の図3と同様に、電界緩和層90の部分を拡大して示している。
図32は、第2の参考形態における半導体装置4の構成を示す平面図および断面図である。図32(a)は、第2の参考形態における半導体装置4の構成を示す平面図であり、図32(b)は、第2の参考形態における半導体装置4の構成を示す断面図である。
図34は、第2の参考形態の変形例における半導体装置5の構成を示す平面図および断面図である。図34(a)は、第2の参考形態の変形例における半導体装置5の構成を示す平面図であり、図34(b)は、第2の参考形態の変形例における半導体装置5の構成を示す断面図である。本変形例においても、第1の実施の形態と同様に、本変形例の半導体装置5をPINダイオードに適用した場合の構成について説明する。本変形例の半導体装置5は、第1の実施の形態の半導体装置1と構成が類似しているので、同一の構成については同一の参照符号を付して、共通する説明を省略する。図34では、電界緩和層130の部分を拡大して示している。
前述の第1の実施の形態および第1の参考形態では、熱処理によってアクセプタイオンを拡散させて、電界緩和層13,90を形成しているが、電界緩和層は、熱拡散を用いなくても形成することができる。
Claims (19)
- 第1導電型の半導体基板(11)と、
前記半導体基板(11)の厚み方向一方側の表面部内に、前記半導体基板(11)の外周縁部から離隔して形成される第2導電型の活性領域(12)と、
前記半導体基板(11)の厚み方向一方側の表面部内に、前記活性領域(12)の外周縁部から前記半導体基板(11)の外周縁部に向けて、前記活性領域(12)を囲繞するように環状に形成される電界緩和層(13,70,90,110,130,150)とを備え、
前記電界緩和層(13,70,90,110,130,150)は、
互いに間隔をあけて、前記活性領域(12)を囲繞するように形成され、第2導電型の不純物を含有する複数の高濃度不純物層(21a,22a,23a,24a,25a)と、
各前記高濃度不純物層(21a,22a,23a,24a,25a)を囲繞するように形成され、前記高濃度不純物層(21a,22a,23a,24a,25a)よりも低い濃度で前記第2導電型の不純物を含有する複数の低濃度不純物層(21b,22b,23b,24b,25b)とを備え、
前記高濃度不純物層(21a,22a,23a,24a,25a)のうち、前記電界緩和層(13,70,90,110,130,150)の径方向において最も内側に形成される最内側高濃度不純物層(21a)は、前記活性領域(12)に接するか、または一部分が重なって形成され、
前記最内側高濃度不純物層(21a)を囲繞する前記低濃度不純物層(21b)は、前記最内側高濃度不純物層(21a)よりも前記径方向の外側に形成される他の前記高濃度不純物層(22a,23a,24a,25a)を囲繞する前記低濃度不純物層(22b,23b,24b,25b)の少なくとも1つと繋がって形成され、
前記高濃度不純物層(21a,22a,23a,24a,25a)同士の間隔(s2,s3,s4,s5)は、前記活性領域(12)から前記半導体基板(11)の外周縁部に向かうに従って大きくなることを特徴とする半導体装置。 - 前記高濃度不純物層(21a,22a,23a,24a,25a)のうち、少なくとも、前記電界緩和層(13)の径方向において最も外側に形成される最外側高濃度不純物層(25a)を囲繞する前記低濃度不純物層(25b)は、前記径方向において前記最外側高濃度不純物層(25a)よりも1つ内側に形成される前記高濃度不純物層(24a)を囲繞する前記低濃度不純物層(24b)から間隔をあけて形成されることを特徴とする請求項1に記載の半導体装置。
- 前記高濃度不純物層(21a,22a,23a,24a,25a)は、隣合う前記高濃度不純物層(21a,22a,23a,24a,25a)同士の間の層間領域の幅と、その層間領域に前記径方向の外側で接する前記高濃度不純物層(22a,23a,24a,25a)の幅との和が、予め定める値になるように形成されることを特徴とする請求項1または2に記載の半導体装置。
- 前記高濃度不純物層(21a,22a,23a,24a,25a)同士の間隔は、前記活性領域(12)から前記半導体基板(11)の外周縁部に向かうに従って、等差数列的に大きくなることを特徴とする請求項1または2に記載の半導体装置。
- 前記電界緩和層(90)は、前記最内側高濃度不純物層(91a)を含む3つ以上の前記高濃度不純物層(91a,92a,93a,94a,95a)を備え、
前記高濃度不純物層(91a,92a,93a,94a,95a)のうち、前記最内側高濃度不純物層(91a)を除く他の高濃度不純物層(92a,93a,94a,95a)の幅(w12,w13,w14,w15)は等しく、
前記最内側高濃度不純物層(91a)を除く他の高濃度不純物層(92a,93a,94a,95a)の位置は、前記最内側高濃度不純物層(91a)からの距離に基づいて、二次方程式の解を与える漸化式によって表されることを特徴とする請求項1または2に記載の半導体装置。 - 前記半導体基板(11)の厚み方向一方側の表面における各前記高濃度不純物層(21a,22a,23a,24a,25a)の前記第2導電型の不純物の面密度と、その高濃度不純物層(21a,22a,23a,24a,25a)を前記半導体基板(11)の厚み方向において囲繞する前記低濃度不純物層(21b,22b,23b,24b,25b)の前記第2導電型の不純物の面密度との和は、前記半導体基板(11)を構成する半導体材料毎に予め求められるリサーフ構造の前記第2導電型の不純物の面密度の最適値であるリサーフ条件の1.5倍以上3.5倍以下であることを特徴とする請求項1または2に記載の半導体装置。
- 前記低濃度不純物層(21d,22d,23d,24d,25d)は、前記半導体基板(11)の厚み方向一方側の表面からの位置が、前記高濃度不純物層(21a,22a,23a,24a,25a)の底面と略等しい位置で、前記第2導電型の不純物の濃度が最大となることを特徴とする請求項1または2に記載の半導体装置。
- 前記活性領域(12)は、前記第2導電型の不純物を含有する第2導電型不純物層(151a)で構成され、
前記第2導電型不純物層(151a)の厚み方向における前記第2導電型の不純物の濃度プロファイルは、前記高濃度不純物層(151a)が位置する箇所の厚み方向における前記第2導電型の不純物の濃度プロファイルと同一であることを特徴とする請求項1または2に記載の半導体装置。 - 前記高濃度不純物層(71b,72b,73b,74b,75b)は、その厚み方向一方側の表面部における前記第2導電型の不純物の濃度分布が、前記電界緩和層(70)の径方向もしくは周方向、または径方向および周方向に沿って、周期的に変化することを特徴とする請求項1または2に記載の半導体装置。
- 前記高濃度不純物層(71b,72b,73b,74b,75b)は、その厚み方向一方側の表面部に、前記活性領域(12)と略等しい濃度で前記第2導電型の不純物を含有する局所高濃度領域(71a,72a,73a,74a,75a)を有することを特徴とする請求項1または2に記載の半導体装置。
- 前記径方向における前記局所高濃度領域(71a〜75a,111a〜115a,131a〜135a)の幅は、前記半導体基板(11)の厚み方向一方側の表面を基準とした前記低濃度不純物層(71c〜75c,111c〜115c,131c〜135c)の深さの5分の1(1/5)以下であることを特徴とする請求項10に記載の半導体装置。
- 前記径方向における前記電界緩和層(13,70,90,110,130,150)の幅は、前記半導体基板(11)の厚みの2倍以下であることを特徴とする請求項1または2に記載の半導体装置。
- 前記電界緩和層(13)よりも前記径方向の外側に設けられ、前記半導体基板(11)の厚み方向他方側の表面と同電位を有する金属配線層(172)と、
前記金属配線層(172)と前記半導体基板(11)の厚み方向一方側の表面部との間に介在される絶縁層(171)とを備えることを特徴とする請求項1または2に記載の半導体装置。 - 前記半導体基板(11)の厚み方向一方側の表面部に設けられるショットキー電極(15)を備え、
前記活性領域(12)は、前記半導体基板(11)の厚み方向一方側の表面部のうちで、前記ショットキー電極(15)とショットキー接合を形成するショットキー領域(155)で構成され、
前記ショットキー電極(15)と前記ショットキー領域(155)とは、ショットキーバリアダイオードを構成することを特徴とする請求項1または2に記載の半導体装置。 - 前記半導体基板(11)は、比較的広いバンドギャップを有するワイドバンドギャップ半導体から成ることを特徴とする請求項1または2に記載の半導体装置。
- 第1導電型の半導体基板(11)と、前記半導体基板(11)の厚み方向一方側の表面部に、前記半導体基板(11)の外周縁部から離隔して形成される第2導電型の活性領域(12)と、前記活性領域(12)の外周縁部から前記半導体基板(11)の外周縁部に向けて、前記活性領域(12)を囲繞するように環状に形成される電界緩和層(13,70,90,110,130,150)とを備える半導体装置の製造方法であって、
前記半導体基板(11)の厚み方向一方側の表面部上に、前記活性領域(12)が形成される領域に対応する部分を囲繞する複数の開口部が、径方向に互いに間隔をあけて形成された注入マスク(RM1,RM2,RM3)を形成するマスク形成工程と、
前記注入マスク(RM1,RM2,RM3)を介して、前記半導体基板(11)に前記第2導電型の不純物をイオン注入することによって、高濃度不純物層(21a,22a,23a,24a,25a)を形成するイオン注入工程と、
前記第2導電型の不純物がイオン注入された前記半導体基板(11)を熱処理することによって、前記高濃度不純物層(21a,22a,23a,24a,25a)を囲繞する低濃度不純物層(21b,22b,23b,24b,25b)を形成する熱処理工程とを備え、
前記マスク形成工程では、前記径方向における前記開口部同士の間隔が、前記活性領域(12)が形成される領域に対応する部分から前記半導体基板(11)の外周縁部に対応する部分に向かうに従って大きくなるように、前記注入マスク(RM1,RM2,RM3)を形成し、
前記熱処理工程を終えた時点で、前記高濃度不純物層(21a,22a,23a,24a,25a)のうち、前記電界緩和層(13,70,90,110,130,150)の径方向において最も内側に形成される最内側高濃度不純物層(21a)は、前記活性領域(12)に接するか、または一部分が重なって形成され、
前記最内側高濃度不純物層(21a)を囲繞する前記低濃度不純物層(21b)は、前記最内側高濃度不純物層(21a)よりも前記径方向の外側に形成される他の前記高濃度不純物層(22a,23a,24a,25a)を囲繞する前記低濃度不純物層(22b,23b,24b,25b)の少なくとも1つと繋がって形成されることを特徴とする半導体装置の製造方法。 - 前記マスク形成工程では、
前記活性領域(12)が形成される領域に対応する部分が開口され、前記開口部が前記径方向もしくは周方向、または前記径方向および周方向に沿って周期的なパターンとなるように前記注入マスク(RM2)を形成することを特徴とする請求項16に記載の半導体装置の製造方法。 - 前記マスク形成工程では、
前記活性領域(12)が形成される領域に対応する部分が開口され、前記径方向における前記開口部の幅が、前記熱処理工程で形成するべき前記低濃度不純物層(71c〜75c,111c〜115c,131c〜135c)の前記半導体基板(11)の厚み方向一方側の表面を基準とした深さの5分の1(1/5)以下になるように前記注入マスクを形成することを特徴とする請求項16または17に記載の半導体装置の製造方法。 - 前記イオン注入工程と前記熱処理工程との間に、
前記注入マスク(RM3)を選択的に等方的にエッチングするエッチング工程と、
エッチングされた前記注入マスク(RM4)を介して、前記半導体基板(11)に前記第2導電型の不純物をイオン注入する第2のイオン注入工程とを備え、
前記第2のイオン注入工程では、前記イオン注入工程で前記第2導電型の不純物をイオン注入するときの注入エネルギーよりも高い注入エネルギーで、前記第2導電型の不純物をイオン注入することを特徴とする請求項16または17に記載の半導体装置の製造方法。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014540763A JP5784242B2 (ja) | 2012-10-11 | 2013-05-01 | 半導体装置およびその製造方法 |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012225784 | 2012-10-11 | ||
JP2012225784 | 2012-10-11 | ||
JP2014540763A JP5784242B2 (ja) | 2012-10-11 | 2013-05-01 | 半導体装置およびその製造方法 |
PCT/JP2013/062691 WO2014057700A1 (ja) | 2012-10-11 | 2013-05-01 | 半導体装置およびその製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP5784242B2 JP5784242B2 (ja) | 2015-09-24 |
JPWO2014057700A1 true JPWO2014057700A1 (ja) | 2016-09-05 |
Family
ID=50477178
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2014540763A Active JP5784242B2 (ja) | 2012-10-11 | 2013-05-01 | 半導体装置およびその製造方法 |
Country Status (5)
Country | Link |
---|---|
US (1) | US9508792B2 (ja) |
JP (1) | JP5784242B2 (ja) |
CN (1) | CN104756258B (ja) |
DE (1) | DE112013004981T5 (ja) |
WO (1) | WO2014057700A1 (ja) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6200864B2 (ja) * | 2014-07-24 | 2017-09-20 | 株式会社日立製作所 | 高耐圧半導体装置 |
JP6072349B2 (ja) * | 2014-11-05 | 2017-02-08 | 新電元工業株式会社 | 半導体素子 |
JP6592083B2 (ja) * | 2015-06-05 | 2019-10-16 | 株式会社日立製作所 | 半導体装置およびその製造方法、並びにパワーモジュール |
CN105826399A (zh) * | 2016-05-25 | 2016-08-03 | 上海安微电子有限公司 | 一种多混合结构的软快恢复二极管及其制备方法 |
JP6649198B2 (ja) | 2016-07-14 | 2020-02-19 | トヨタ自動車株式会社 | 半導体装置とその製造方法 |
US10002920B1 (en) * | 2016-12-14 | 2018-06-19 | General Electric Company | System and method for edge termination of super-junction (SJ) devices |
TWI609486B (zh) * | 2016-12-30 | 2017-12-21 | 新唐科技股份有限公司 | 高壓半導體裝置 |
TWI609487B (zh) | 2016-12-30 | 2017-12-21 | 新唐科技股份有限公司 | 半導體裝置 |
JP7090073B2 (ja) * | 2017-05-08 | 2022-06-23 | ローム株式会社 | 半導体装置 |
CN107359117B (zh) * | 2017-07-13 | 2020-03-27 | 深圳市金誉半导体有限公司 | 高压快恢复pin二极管及其制造方法 |
JP2019054170A (ja) | 2017-09-15 | 2019-04-04 | 株式会社東芝 | 半導体装置 |
TWI634658B (zh) | 2017-12-29 | 2018-09-01 | 新唐科技股份有限公司 | 半導體裝置 |
DE112019003465T5 (de) * | 2018-08-07 | 2021-03-25 | Rohm Co., Ltd. | SiC-HALBLEITERVORRICHTUNG |
JP7061948B2 (ja) | 2018-10-23 | 2022-05-02 | 三菱電機株式会社 | 半導体装置、および、半導体装置の製造方法 |
FR3091622B1 (fr) | 2019-01-09 | 2021-09-17 | Soitec Silicon On Insulator | Structure semi-conductrice optoélectronique comprenant une couche d’injection de type p à base d’InGaN |
CN110212023B (zh) * | 2019-05-29 | 2020-10-09 | 西安电子科技大学 | 一种能够减小反向漏电流的结型势垒肖特基二极管 |
CN113299732A (zh) * | 2020-02-24 | 2021-08-24 | 珠海格力电器股份有限公司 | 半导体器件、芯片、设备和制造方法 |
TWI743818B (zh) | 2020-06-02 | 2021-10-21 | 台灣半導體股份有限公司 | 具有多保護環結構之蕭特基二極體 |
CN112382653B (zh) * | 2020-07-13 | 2024-02-23 | 电子科技大学 | 横向变掺杂终端结构及设计方法和制备方法 |
JP2023184011A (ja) * | 2022-06-17 | 2023-12-28 | 株式会社 日立パワーデバイス | 半導体装置の製造方法および半導体装置 |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59110164A (ja) * | 1982-12-03 | 1984-06-26 | エヌ・ベ−・フイリップス・フル−イランペンファブリケン | 半導体装置 |
JPH01270346A (ja) * | 1988-04-22 | 1989-10-27 | Fuji Electric Co Ltd | 半導体装置 |
JPH07249737A (ja) * | 1994-03-11 | 1995-09-26 | Mitsubishi Electric Corp | プレーナ型半導体装置およびその製造方法 |
JP2000516767A (ja) * | 1996-07-16 | 2000-12-12 | エービービー リサーチ リミテッド | 電圧吸収エッジを有するpn接合を含むSiC半導体装置 |
JP2003101039A (ja) * | 2001-07-17 | 2003-04-04 | Toshiba Corp | 高耐圧半導体装置 |
JP2003197898A (ja) * | 2001-12-25 | 2003-07-11 | Shindengen Electric Mfg Co Ltd | プレーナ型半導体装置 |
JP2007324428A (ja) * | 2006-06-02 | 2007-12-13 | Toyota Motor Corp | 半導体装置 |
JP2011165856A (ja) * | 2010-02-09 | 2011-08-25 | Mitsubishi Electric Corp | 炭化珪素半導体装置の製造方法 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0176778B1 (de) | 1984-09-28 | 1991-01-16 | Siemens Aktiengesellschaft | Verfahren zum Herstellen eines pn-Übergangs mit hoher Durchbruchsspannung |
JP3997551B2 (ja) | 1995-12-08 | 2007-10-24 | 株式会社日立製作所 | プレーナ型半導体装置 |
JP2002231965A (ja) * | 2001-02-01 | 2002-08-16 | Hitachi Ltd | 半導体装置 |
JP2002270857A (ja) | 2001-03-07 | 2002-09-20 | Toshiba Corp | 半導体装置および電力変換装置 |
JP2003347547A (ja) * | 2002-05-27 | 2003-12-05 | Mitsubishi Electric Corp | 電力用半導体装置及びその製造方法 |
US6841825B2 (en) * | 2002-06-05 | 2005-01-11 | Shindengen Electric Manufacturing Co., Ltd. | Semiconductor device |
JP2006156637A (ja) * | 2004-11-29 | 2006-06-15 | Shindengen Electric Mfg Co Ltd | ダイオードおよびブリッジダイオード |
JP2007096006A (ja) * | 2005-09-29 | 2007-04-12 | Nippon Inter Electronics Corp | ガードリングの製造方法および半導体装置 |
JP2008277353A (ja) * | 2007-04-25 | 2008-11-13 | Matsushita Electric Ind Co Ltd | 半導体装置 |
JP4600936B2 (ja) * | 2007-06-20 | 2010-12-22 | 三菱電機株式会社 | 半導体装置およびその製造方法 |
WO2012049872A1 (ja) * | 2010-10-15 | 2012-04-19 | 三菱電機株式会社 | 半導体装置およびその製造方法 |
JP5721902B2 (ja) | 2012-03-16 | 2015-05-20 | 三菱電機株式会社 | 半導体装置およびその製造方法 |
-
2013
- 2013-05-01 CN CN201380052950.2A patent/CN104756258B/zh active Active
- 2013-05-01 US US14/430,746 patent/US9508792B2/en active Active
- 2013-05-01 WO PCT/JP2013/062691 patent/WO2014057700A1/ja active Application Filing
- 2013-05-01 DE DE112013004981.3T patent/DE112013004981T5/de active Granted
- 2013-05-01 JP JP2014540763A patent/JP5784242B2/ja active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59110164A (ja) * | 1982-12-03 | 1984-06-26 | エヌ・ベ−・フイリップス・フル−イランペンファブリケン | 半導体装置 |
JPH01270346A (ja) * | 1988-04-22 | 1989-10-27 | Fuji Electric Co Ltd | 半導体装置 |
JPH07249737A (ja) * | 1994-03-11 | 1995-09-26 | Mitsubishi Electric Corp | プレーナ型半導体装置およびその製造方法 |
JP2000516767A (ja) * | 1996-07-16 | 2000-12-12 | エービービー リサーチ リミテッド | 電圧吸収エッジを有するpn接合を含むSiC半導体装置 |
JP2003101039A (ja) * | 2001-07-17 | 2003-04-04 | Toshiba Corp | 高耐圧半導体装置 |
JP2003197898A (ja) * | 2001-12-25 | 2003-07-11 | Shindengen Electric Mfg Co Ltd | プレーナ型半導体装置 |
JP2007324428A (ja) * | 2006-06-02 | 2007-12-13 | Toyota Motor Corp | 半導体装置 |
JP2011165856A (ja) * | 2010-02-09 | 2011-08-25 | Mitsubishi Electric Corp | 炭化珪素半導体装置の製造方法 |
Also Published As
Publication number | Publication date |
---|---|
US9508792B2 (en) | 2016-11-29 |
CN104756258B (zh) | 2017-07-18 |
WO2014057700A1 (ja) | 2014-04-17 |
CN104756258A (zh) | 2015-07-01 |
JP5784242B2 (ja) | 2015-09-24 |
US20150221721A1 (en) | 2015-08-06 |
DE112013004981T5 (de) | 2015-08-13 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP5784242B2 (ja) | 半導体装置およびその製造方法 | |
US8716717B2 (en) | Semiconductor device and method for manufacturing the same | |
US10115834B2 (en) | Method for manufacturing an edge termination for a silicon carbide power semiconductor device | |
JP5721902B2 (ja) | 半導体装置およびその製造方法 | |
US9219113B2 (en) | Semiconductor device having breakdown voltage enhancement structure | |
JP5472451B2 (ja) | 半導体装置の製造方法および半導体装置 | |
WO2015145929A1 (ja) | 半導体装置 | |
US20150255535A1 (en) | Semiconductor device and method for manufacturing same | |
US8847278B2 (en) | Semiconductor device comprising a breakdown withstanding section | |
JP5789928B2 (ja) | Mos型半導体装置およびその製造方法 | |
WO2014045480A1 (ja) | 半導体装置及び半導体装置の製造方法 | |
US10032866B2 (en) | Semiconductor device and method of manufacturing semiconductor device | |
JP2014175377A (ja) | 炭化珪素半導体装置およびその製造方法 | |
JP6995221B2 (ja) | 炭化珪素半導体装置およびその製造方法 | |
US10861932B2 (en) | Semiconductor device and method of manufacturing semiconductor device | |
WO2022107854A1 (ja) | 炭化珪素半導体装置 | |
JP6112141B2 (ja) | Mos型半導体装置およびmos型半導体装置の製造方法 | |
US20230299131A1 (en) | Superjunction semiconductor device | |
US20240079492A1 (en) | Semiconductor device | |
TWI655688B (zh) | 具有超接面結構之半導體元件及其製程 | |
JP2022175975A (ja) | 炭化珪素半導体装置 | |
JP2023173420A (ja) | 炭化珪素半導体装置 | |
KR20220030587A (ko) | 전력 반도체 소자 및 그 제조 방법 | |
CN117378049A (zh) | 半导体装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20150623 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20150721 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 5784242 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |