WO2013150889A1 - 炭化珪素半導体装置の製造方法 - Google Patents
炭化珪素半導体装置の製造方法 Download PDFInfo
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- WO2013150889A1 WO2013150889A1 PCT/JP2013/057741 JP2013057741W WO2013150889A1 WO 2013150889 A1 WO2013150889 A1 WO 2013150889A1 JP 2013057741 W JP2013057741 W JP 2013057741W WO 2013150889 A1 WO2013150889 A1 WO 2013150889A1
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- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 title claims abstract description 66
- 229910010271 silicon carbide Inorganic materials 0.000 title claims abstract description 65
- 239000004065 semiconductor Substances 0.000 title claims abstract description 27
- 238000004519 manufacturing process Methods 0.000 title claims description 34
- 238000000034 method Methods 0.000 title claims description 27
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 69
- 229910052751 metal Inorganic materials 0.000 claims abstract description 34
- 239000002184 metal Substances 0.000 claims abstract description 34
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 34
- 239000000758 substrate Substances 0.000 claims abstract description 26
- 230000005291 magnetic effect Effects 0.000 claims abstract description 14
- 239000000203 mixture Substances 0.000 claims abstract description 14
- 230000035699 permeability Effects 0.000 claims abstract description 13
- 238000010438 heat treatment Methods 0.000 claims abstract description 7
- 238000004544 sputter deposition Methods 0.000 claims abstract description 6
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 5
- 239000000956 alloy Substances 0.000 claims abstract description 5
- 238000010304 firing Methods 0.000 claims abstract 3
- 239000010936 titanium Substances 0.000 claims description 25
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 24
- 229910052719 titanium Inorganic materials 0.000 claims description 24
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 239000011651 chromium Substances 0.000 claims description 5
- 229910052715 tantalum Inorganic materials 0.000 claims description 5
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 claims description 5
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 5
- 229910052721 tungsten Inorganic materials 0.000 claims description 5
- 239000010937 tungsten Substances 0.000 claims description 5
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 4
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 4
- 229910052804 chromium Inorganic materials 0.000 claims description 4
- 150000001247 metal acetylides Chemical class 0.000 claims description 4
- 229910052750 molybdenum Inorganic materials 0.000 claims description 4
- 239000011733 molybdenum Substances 0.000 claims description 4
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims description 4
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 3
- 229910052720 vanadium Inorganic materials 0.000 claims description 3
- 229910052726 zirconium Inorganic materials 0.000 claims description 3
- 150000002739 metals Chemical class 0.000 claims description 2
- 238000000926 separation method Methods 0.000 abstract description 2
- 239000011888 foil Substances 0.000 abstract 1
- 230000004888 barrier function Effects 0.000 description 16
- 239000010410 layer Substances 0.000 description 15
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 9
- 229910052710 silicon Inorganic materials 0.000 description 9
- 239000010703 silicon Substances 0.000 description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 6
- 229910052799 carbon Inorganic materials 0.000 description 6
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 239000003302 ferromagnetic material Substances 0.000 description 4
- 239000011229 interlayer Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000000151 deposition Methods 0.000 description 3
- 230000008021 deposition Effects 0.000 description 3
- 238000005477 sputtering target Methods 0.000 description 3
- 229910000990 Ni alloy Inorganic materials 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 239000000356 contaminant Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000007772 electrode material Substances 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 238000005468 ion implantation Methods 0.000 description 2
- 229910021334 nickel silicide Inorganic materials 0.000 description 2
- RUFLMLWJRZAWLJ-UHFFFAOYSA-N nickel silicide Chemical compound [Ni]=[Si]=[Ni] RUFLMLWJRZAWLJ-UHFFFAOYSA-N 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 238000002161 passivation Methods 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 238000005204 segregation Methods 0.000 description 2
- 239000004642 Polyimide Substances 0.000 description 1
- 238000001994 activation Methods 0.000 description 1
- CSDREXVUYHZDNP-UHFFFAOYSA-N alumanylidynesilicon Chemical compound [Al].[Si] CSDREXVUYHZDNP-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000001755 magnetron sputter deposition Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- VSZWPYCFIRKVQL-UHFFFAOYSA-N selanylidenegallium;selenium Chemical compound [Se].[Se]=[Ga].[Se]=[Ga] VSZWPYCFIRKVQL-UHFFFAOYSA-N 0.000 description 1
- 238000007669 thermal treatment Methods 0.000 description 1
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- H01L21/0445—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising crystalline silicon carbide
- H01L21/048—Making electrodes
- H01L21/0485—Ohmic electrodes
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- H01L21/28—Manufacture of electrodes on semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/268
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- H01L21/28512—Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation of conductive layers on semiconductor bodies comprising elements of Group IV of the Periodic Table
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Definitions
- the present invention relates to a method for manufacturing a silicon carbide semiconductor device, and more particularly to a method for manufacturing an ohmic electrode of a silicon carbide semiconductor device.
- silicon power devices Conventionally, for the purpose of controlling high frequency and high power, the performance of power devices using silicon (Si) substrates (hereinafter referred to as silicon power devices) has been improved. However, since silicon power devices cannot be used at high temperatures, application of new semiconductor materials is being studied in response to the demand for higher performance power devices.
- Silicon carbide has a wide band gap of about 3 times that of silicon, so it has excellent controllability of electrical conductivity at high temperatures, and has a breakdown voltage that is about an order of magnitude higher than that of silicon. It can be applied as a substrate material. Furthermore, since silicon carbide has an electron saturation drift velocity about twice that of silicon, it can be applied to a high-frequency and high-power control element.
- the present invention relates to a technology for forming a back electrode of a power device using a silicon carbide substrate, by reacting silicon in a silicon carbide substrate with nickel in a nickel (Ni) film to form a reaction layer made of nickel silicide.
- a method for obtaining ohmic characteristics between a silicon substrate and a nickel film is known.
- the free carbon (C) segregated on the surface of the ohmic electrode reduces the adhesion with the wiring metal layer formed on the ohmic electrode, and the wiring metal layer is easily peeled off. There was a problem. In order to solve this problem, the following methods have been proposed.
- the first surface of a silicon carbide substrate is made of any one of titanium (Ti), tantalum (Ta), and tungsten (W) on a first metal film made of nickel or a nickel alloy.
- a method of forming a second metal film and performing a heat treatment is disclosed. According to this method, carbon liberated by the formation of nickel silicide reacts with the second metal film to generate carbides, so that segregation of carbon components on the metal film surface can be prevented, and ohmic electrodes and wirings can be prevented. It describes that peeling from the metal layer can be prevented.
- the present invention provides a method for manufacturing a silicon carbide semiconductor device capable of improving the usage efficiency of a target with a uniform film thickness and no peeling when forming an ohmic electrode.
- the purpose is to provide.
- a method for manufacturing a silicon carbide semiconductor device has the following characteristics.
- An ohmic metal film is formed on a silicon carbide substrate by sputtering a target made of a mixture or alloy in which nickel and a metal that reduces the magnetic permeability of nickel and generates a carbide are adjusted to a predetermined composition ratio To do. Then, the ohmic metal film is heat treated and fired.
- a method for manufacturing a silicon carbide semiconductor device has the following characteristics.
- An epitaxial layer is grown on the first main surface of the silicon carbide substrate.
- the second main surface of the silicon carbide substrate is sputtered with a target made of a mixture or alloy in which nickel and a metal that reduces the magnetic permeability of nickel and generates carbides are adjusted to a predetermined composition ratio.
- a target made of a mixture or alloy in which nickel and a metal that reduces the magnetic permeability of nickel and generates carbides are adjusted to a predetermined composition ratio.
- an ohmic metal film is formed on the silicon carbide substrate. Further, the ohmic metal film is subjected to heat treatment and fired.
- the method for manufacturing a silicon carbide semiconductor device according to the present invention is the above-described invention, wherein the metal that reduces the magnetic permeability of nickel and generates carbides is molybdenum, tungsten, tantalum, vanadium, zirconium, titanium, chromium, and aluminum. It is characterized by being one or more selected metals.
- the metal that reduces the magnetic permeability of nickel and generates carbide is titanium, and the titanium ratio in the target is 8 at% or more and 50 at% or less. It is characterized by being.
- the method for manufacturing a silicon carbide semiconductor device according to the present invention is characterized in that, in the above-described invention, a temperature for performing the heat treatment is 1050 ° C. or more.
- an ohmic electrode having a uniform film thickness and no peeling can be formed on a silicon carbide substrate. Moreover, the usage efficiency of the target can be improved. Furthermore, according to the present invention described above, the nickel: titanium composition ratio of the ohmic electrode material is accurately controlled to suppress the deposition of carbon on the ohmic electrode layer surface, which causes electrode peeling, and at the same time, increase in contact resistance. Excessive residual titanium can be suppressed.
- the method for manufacturing a silicon carbide semiconductor device when forming an ohmic electrode, there is an effect that the film thickness is uniform, there is no peeling, and the use efficiency of the target can be improved.
- FIG. 1 is a schematic cross-sectional view for illustrating a manufacturing process of a silicon carbide Schottky barrier diode according to an embodiment of the present invention.
- FIG. 2 is a schematic cross-sectional view for illustrating a manufacturing process of the silicon carbide Schottky barrier diode according to the embodiment of the present invention.
- FIG. 3 is a schematic cross-sectional view for illustrating the manufacturing process of the silicon carbide Schottky barrier diode according to the embodiment of the present invention.
- FIG. 4 is a schematic cross-sectional view for illustrating the manufacturing process of the silicon carbide Schottky barrier diode according to the embodiment of the present invention.
- FIG. 1 is a schematic cross-sectional view for illustrating a manufacturing process of a silicon carbide Schottky barrier diode according to an embodiment of the present invention.
- FIG. 2 is a schematic cross-sectional view for illustrating a manufacturing process of the silicon carbide Schottky barrier diode according to the embodiment of the present
- FIG. 5 is a schematic cross-sectional view for illustrating the manufacturing process of the silicon carbide Schottky barrier diode according to the embodiment of the present invention.
- FIG. 6 is a schematic cross-sectional view for illustrating a manufacturing step of the silicon carbide Schottky barrier diode according to the embodiment of the present invention.
- FIG. 7 is a diagram showing the relationship between the ratio of the nickel to titanium ratio in the ohmic electrode and the adhesion of the electrode film, according to an example of the present invention.
- FIG. 8 is a graph showing the relationship between the ratio of the nickel to titanium ratio in the ohmic electrode and the contact resistance according to the embodiment of the present invention.
- FIG. 1 to 6 are schematic cross-sectional views for illustrating a manufacturing process of a silicon carbide Schottky barrier diode according to an embodiment of the present invention.
- a high-concentration n-type silicon carbide substrate 1 having a (0001) plane with a thickness of 350 ⁇ m, for example, doped with nitrogen of 1 ⁇ 10 18 cm ⁇ 3 is prepared.
- nitrogen of 1.8 ⁇ 10 16 cm ⁇ 3 is doped, and the low-concentration n-type silicon carbide drift layer having a thickness of 6 ⁇ m. 2 is deposited.
- phosphorus (P) is implanted into the low concentration n-type silicon carbide drift layer 2 by an ion implantation method in order to form the n-type region 3 for the channel stopper.
- phosphorus (P) is implanted into the low concentration n-type silicon carbide drift layer 2 by an ion implantation method in order to form the n-type region 3 for the channel stopper.
- FIG. 3 in order to form the p-type region 4 for the termination structure and the p-type region 5 for the FLR (field limited ring) structure, for example, aluminum (Al) is implanted by an ion implantation method. .
- phosphorus implanted to form the n-type region 3 for the channel stopper and aluminum implanted to form the p-type region 4 for the termination structure and the p-type region 5 for the FLR structure In order to activate, an activation process is performed in an argon (Ar) atmosphere for 240 seconds at a temperature of 1650 ° C., for example.
- the temperature is increased at a temperature increase rate of, for example, 1 ° C./second, and held for 2 minutes after reaching a temperature of 1050 ° C. or higher, for example, 1100 ° C.
- RTA rapid thermal treatment
- the first metal layer is baked and reacted with silicon in the high-concentration n-type silicon carbide substrate 1 to be silicided, and the second main surface of the high-concentration n-type silicon carbide substrate 1 has a low resistance.
- An ohmic electrode 6 is formed.
- an interlayer insulating film 7 is formed on the first main surface of the high-concentration n-type silicon carbide substrate 1, and the interlayer insulating film 7 is patterned to form a contact hole in which a portion where the Schottky electrode 8 is to be formed is opened. To do. Next, after forming a second metal layer by evaporating, for example, titanium on a portion where the Schottky electrode 8 is to be formed, the temperature is raised at a temperature rising time of, for example, 8 ° C./second, and after reaching 500 ° C., 5 Holding for a minute, the Schottky electrode 8 is formed.
- the terminal portion of the Schottky electrode 8 is formed to extend on the p-type region 4 in order to operate the Schottky barrier diode as a high breakdown voltage element, and the end of the Schottky electrode 8 and the p-type region 4 are connected to each other. Make sure they overlap.
- an electrode pad 9 made of, for example, aluminum-silicon is formed on the Schottky electrode 8 as a bonding electrode pad with a thickness of, for example, 5 ⁇ m, and extends from the interlayer insulating film 7 to the electrode pad 9.
- a passivation film 10 made of polyimide is formed.
- contaminants such as resist residue adhere to the surface of the ohmic electrode 6 through the many steps so far.
- contaminants can be removed by treating the back surface by a reverse sputtering method in which ionized argon is collided to remove impurities.
- a gold (Au) film is formed on the ohmic electrode 6 with a thickness of, for example, 200 nm.
- the external electrode 11 is formed for connection to an external device with little resistance and no peeling.
- the silicon carbide shot manufactured by changing the titanium ratio relative to nickel in the ohmic electrode 6 in the range of 0 to 60 at% was used.
- FIG. 7 is a diagram showing the relationship between the ratio of the nickel to titanium ratio in the ohmic electrode and the adhesion of the electrode film, according to an example of the present invention.
- the silicon carbide Schottky barrier diode having a titanium ratio of 8 to 50 at% in the ohmic electrode 6 no peeling of the external electrode 11 occurred.
- FIG. 8 shows the result of the contact resistance measurement performed on the barrier diode.
- FIG. 8 is a graph showing the relationship between the ratio of the nickel to titanium ratio in the ohmic electrode and the contact resistance according to the embodiment of the present invention. As can be seen from FIG. 8, the contact resistance increased when the ratio of titanium to nickel in the ohmic electrode 6 exceeded 50 at%.
- the nickel: titanium composition ratio of the ohmic electrode material can be accurately controlled by using a target adjusted to a predetermined nickel: titanium composition ratio, carbon on the ohmic electrode layer surface that causes electrode peeling Precipitation can be suppressed. In addition, an increase in contact resistance due to excessive titanium remaining on the surface of the ohmic electrode layer can be suppressed.
- FIGS. 1 to 6 The manufacturing process of the silicon carbide Schottky barrier diode disclosed in FIGS. 1 to 6 is illustrated for the purpose of understanding the present invention, and it goes without saying that the manufacturing conditions disclosed herein can be appropriately changed.
- the (0001) plane is described as an example of the main surface of the high-concentration n-type silicon carbide substrate, but the (000-1) plane may be used as the main surface of the high-concentration n-type silicon carbide substrate. Good.
- MOS gate insulating gate made of metal-oxide film-semiconductor
- the silicon carbide Schottky barrier diode is exemplified as an embodiment and an example, and the manufacturing method thereof has been described in detail, but the present invention is not limited to the embodiment and the example, Various design changes can be made without departing from the spirit of the present invention.
- the sputtering target is exemplified by adding nickel to the ferromagnetic material nickel to reduce the magnetic permeability, but other molybdenum (Mo), tungsten, and tantalum are added to the ferromagnetic material nickel.
- Magnetic permeability may be reduced by adding materials such as vanadium (V), zirconium (Zr), chromium (Cr), and aluminum. These materials may be added in combination of two or more.
- nickel which is a ferromagnetic material
- titanium, molybdenum, tungsten, tantalum, vanadium, zirconium, chromium, and aluminum are added to reduce the magnetic permeability.
- the uneven erosion of the target can be reduced, the uniformity of the ohmic electrode layer can be improved, and at the same time the use efficiency of the target can be improved.
- the method for manufacturing a silicon carbide semiconductor device according to the present invention is useful for a power semiconductor device for high-frequency and high-power control that is used at high temperatures.
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Abstract
Description
本発明の実施の形態に係る炭化珪素半導体装置の製造方法を、炭化珪素ショットキーバリアダイオードの製造方法を例示して、以下詳細に説明する。
2 低濃度n型炭化珪素ドリフト層
3 n型領域
4 p型領域(終端)
5 p型領域(FLR)
6 オーミック電極
7 層間絶縁膜
8 ショットキー電極
9 電極パッド
10 パッシベーション膜
11 外部電極
Claims (5)
- ニッケルと、ニッケルの透磁率を低減させるとともに炭化物を生成する金属とが、所定の組成比に調整された混合体あるいは合金からなるターゲットをスパッタすることにより、炭化珪素基板上にオーミック金属膜を形成する工程と、
前記オーミック金属膜に熱処理を施し焼成する工程と、
を含むことを特徴とする炭化珪素半導体装置の製造方法。 - 炭化珪素基板の第一の主面にエピタキシャル層を成長させる工程と、
前記炭化珪素基板の第二の主面にニッケルと、ニッケルの透磁率を低減させるとともに炭化物を生成する金属とが、所定の組成比に調整された混合体あるいは合金からなるターゲットをスパッタすることにより、前記炭化珪素基板上にオーミック金属膜を形成する工程と、
前記オーミック金属膜に熱処理を施し焼成する工程と、
を含むことを特徴とする炭化珪素半導体装置の製造方法。 - 前記ニッケルの透磁率を低減させるとともに炭化物を生成する金属は、モリブデン、タングステン、タンタル、バナジウム、ジルコニウム、チタン、クロム、アルミニウムから選定された1種又は2種以上の金属であることを特徴とする請求項1又は2に記載の炭化珪素半導体装置の製造方法。
- 前記ニッケルの透磁率を低減させるとともに炭化物を生成する金属がチタンであり、前記ターゲット中のチタン比率が8at%以上50at%以下であることを特徴とする請求項1又は2に記載の炭化珪素半導体装置の製造方法。
- 前記熱処理を施す温度が1050℃以上であることを特徴とする請求項1又は2に記載の炭化珪素半導体装置の製造方法。
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US14/390,715 US9281194B2 (en) | 2012-04-06 | 2013-03-18 | Fabrication method of silicon carbide semiconductor apparatus |
DE112013001927.2T DE112013001927T5 (de) | 2012-04-06 | 2013-03-18 | Herstellungsverfahren für eine Siliziumcarbid-Halbleitervorrichtung |
CN201380018024.3A CN104303269B (zh) | 2012-04-06 | 2013-03-18 | 碳化硅半导体装置的制造方法 |
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JP2012-087726 | 2012-04-06 | ||
JP2012087726A JP2013219150A (ja) | 2012-04-06 | 2012-04-06 | 炭化珪素半導体装置のオーミック電極の製造方法 |
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JP (1) | JP2013219150A (ja) |
CN (1) | CN104303269B (ja) |
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WO (1) | WO2013150889A1 (ja) |
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US9552993B2 (en) * | 2014-02-27 | 2017-01-24 | Semiconductor Components Industries, Llc | Semiconductor device and manufacturing method thereof |
JP2016015424A (ja) * | 2014-07-02 | 2016-01-28 | ルネサスエレクトロニクス株式会社 | 半導体装置 |
CN105874566B (zh) | 2014-07-24 | 2019-04-05 | 富士电机株式会社 | 碳化硅半导体装置的制造方法 |
US10236370B2 (en) * | 2015-09-15 | 2019-03-19 | Hitachi, Ltd. | Semiconductor device and method of manufacturing the same, power converter, three-phase motor system, automobile and railway vehicle |
KR102315807B1 (ko) * | 2015-09-25 | 2021-10-22 | 마테리온 코포레이션 | 솔더 부착을 갖는 인광체 요소를 사용하는 높은 광출력 광 변환 장치 |
US9960247B2 (en) * | 2016-01-19 | 2018-05-01 | Ruigang Li | Schottky barrier structure for silicon carbide (SiC) power devices |
JP6801200B2 (ja) * | 2016-03-16 | 2020-12-16 | 富士電機株式会社 | 炭化珪素半導体素子の製造方法 |
JP6808952B2 (ja) * | 2016-03-16 | 2021-01-06 | 富士電機株式会社 | 炭化珪素半導体装置の製造方法 |
SE541291C2 (en) * | 2017-09-15 | 2019-06-11 | Ascatron Ab | Feeder design with high current capability |
DE212020000212U1 (de) * | 2019-04-19 | 2020-10-20 | Rohm Co. Ltd. | SiC-Halbleiterbauteil |
CN110729361A (zh) * | 2019-10-09 | 2020-01-24 | 杭州电子科技大学 | 一种具有MoC合金的肖特基势垒二极管 |
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- 2013-03-18 DE DE112013001927.2T patent/DE112013001927T5/de not_active Withdrawn
- 2013-03-18 CN CN201380018024.3A patent/CN104303269B/zh not_active Expired - Fee Related
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US20150194313A1 (en) | 2015-07-09 |
DE112013001927T5 (de) | 2015-02-26 |
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