EP3011597A1 - Halbleiter-leistungsschalter und verfahren zur herstellung eines halbleiter-leistungsschalters - Google Patents
Halbleiter-leistungsschalter und verfahren zur herstellung eines halbleiter-leistungsschaltersInfo
- Publication number
- EP3011597A1 EP3011597A1 EP14728956.5A EP14728956A EP3011597A1 EP 3011597 A1 EP3011597 A1 EP 3011597A1 EP 14728956 A EP14728956 A EP 14728956A EP 3011597 A1 EP3011597 A1 EP 3011597A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- semiconductor
- semiconductor material
- power switch
- layer
- channel region
- 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.)
- Ceased
Links
- 239000004065 semiconductor Substances 0.000 title claims abstract description 137
- 238000004519 manufacturing process Methods 0.000 title description 10
- 239000000463 material Substances 0.000 claims abstract description 80
- 239000000758 substrate Substances 0.000 claims abstract description 25
- 238000000034 method Methods 0.000 claims description 21
- 238000000151 deposition Methods 0.000 claims description 11
- 239000002800 charge carrier Substances 0.000 claims description 10
- 150000001875 compounds Chemical class 0.000 claims description 4
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 239000010703 silicon Substances 0.000 claims description 3
- 230000008021 deposition Effects 0.000 description 6
- 230000015654 memory Effects 0.000 description 5
- 238000000137 annealing Methods 0.000 description 4
- 230000005669 field effect Effects 0.000 description 4
- 230000015556 catabolic process Effects 0.000 description 3
- 239000002131 composite material Substances 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 3
- 238000005468 ion implantation Methods 0.000 description 3
- 230000000737 periodic effect Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 238000012217 deletion Methods 0.000 description 2
- 230000037430 deletion Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000002513 implantation Methods 0.000 description 2
- 150000004767 nitrides Chemical class 0.000 description 2
- 230000005533 two-dimensional electron gas Effects 0.000 description 2
- 238000009281 ultraviolet germicidal irradiation Methods 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- 229910002704 AlGaN Inorganic materials 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000002159 nanocrystal Substances 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 229910052594 sapphire Inorganic materials 0.000 description 1
- 239000010980 sapphire Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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
- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/408—Electrodes ; Multistep manufacturing processes therefor with an insulating layer with a particular dielectric or electrostatic property, e.g. with static charges or for controlling trapped charges or moving ions, or with a plate acting on the insulator potential or the insulator charges, e.g. for controlling charges effect or potential distribution in the insulating layer, or with a semi-insulating layer contacting directly the semiconductor surface
-
- 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
- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/43—Electrodes ; Multistep manufacturing processes therefor characterised by the materials of which they are formed
- H01L29/49—Metal-insulator-semiconductor electrodes, e.g. gates of MOSFET
- H01L29/51—Insulating materials associated therewith
- H01L29/511—Insulating materials associated therewith with a compositional variation, e.g. multilayer structures
- H01L29/513—Insulating materials associated therewith with a compositional variation, e.g. multilayer structures the variation being perpendicular to the channel plane
-
- 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
- H01L29/68—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
- H01L29/778—Field effect transistors with two-dimensional charge carrier gas channel, e.g. HEMT ; with two-dimensional charge-carrier layer formed at a heterojunction interface
- H01L29/7781—Field effect transistors with two-dimensional charge carrier gas channel, e.g. HEMT ; with two-dimensional charge-carrier layer formed at a heterojunction interface with inverted single heterostructure, i.e. with active layer formed on top of wide bandgap layer, e.g. IHEMT
-
- 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
- H01L29/68—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
- H01L29/778—Field effect transistors with two-dimensional charge carrier gas channel, e.g. HEMT ; with two-dimensional charge-carrier layer formed at a heterojunction interface
- H01L29/7786—Field effect transistors with two-dimensional charge carrier gas channel, e.g. HEMT ; with two-dimensional charge-carrier layer formed at a heterojunction interface with direct single heterostructure, i.e. with wide bandgap layer formed on top of active layer, e.g. direct single heterostructure MIS-like HEMT
-
- 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
- H01L29/68—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
- H01L29/792—Field effect transistors with field effect produced by an insulated gate with charge trapping gate insulator, e.g. MNOS-memory transistors
-
- 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
- H01L29/12—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
-
- 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
- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/43—Electrodes ; Multistep manufacturing processes therefor characterised by the materials of which they are formed
- H01L29/49—Metal-insulator-semiconductor electrodes, e.g. gates of MOSFET
- H01L29/51—Insulating materials associated therewith
Definitions
- the present invention relates to a semiconductor power switch and a method of manufacturing a semiconductor power switch.
- Carrier mobility is characterized.
- the realization of power transistors with sufficiently high breakdown voltages is particularly difficult.
- the present invention proposes a semiconductor power switch and a method of manufacturing a semiconductor power switch according to the main claims.
- Advantageous embodiments emerge from the respective subclaims and the following description.
- drain terminal and a source terminal which are embedded at least in the second semiconductor layer, wherein by means of
- Drain terminal and the source terminal at least one boundary layer between the first and second semiconductor material is electrically contacted;
- a gate terminal that at least partially covers the channel area.
- a circuit breaker may be understood to mean a switching element which is designed to switch a current and / or a voltage which is greater than a predetermined minimum size. It can the
- Circuit breaker be designed such that it can switch a current and / or a voltage that significantly above a current and / or a
- a carrier substrate can be understood, for example, as a semiconductor substrate or crystal, onto which further (semiconductor) structures can be applied so that the carrier substrate forms a holding element for the further structures.
- a bandgap may be understood to mean a band gap or a "forbidden zone" representing an energetic distance between a valence band and a conduction band of a solid,
- a channel region may be understood to mean a channel of a field effect transistor.
- Semiconductor layers can be used, wherein the semiconductor materials used in these two layers have different band gaps.
- a semiconductor power switch can be realized, which in addition to the ability to switch high power and by the relative simple technical manufacturing process can be realized.
- a semiconductor power switch is also inexpensive to produce.
- Band gap of the first semiconductor material is different from the band gap of the second semiconductor material
- drain terminal and a source terminal which are embedded at least in the second semiconductor layer, wherein by means of the drain terminal and the source terminal at least one
- Boundary layer between the first and second semiconductor material is electrically contacted and by the drain terminal and the source terminal, a channel region between the drain terminal and the source terminal is defined, wherein the channel region is formed to act as an electrical power switch;
- the channel region is formed to nondestructively conduct an electric current of at least one ampere, in particular an electric current of at least 10 amps and / or wherein the channel region is formed to non-destructive an electrical voltage of at least 50 volts,
- Such an embodiment of the present invention offers the advantage that high currents or voltages can be switched by the semiconductor power switches without the power switch itself being employed.
- the first and second semiconductor materials may form an Ill / V compound semiconductor composite.
- Such an embodiment of the present invention provides the Advantage of a particularly good previously very high electron mobility at a boundary between the first and second semiconductor material. As a result, can be realized particularly fast switching circuit breaker.
- Another embodiment of the present invention is advantageous, in which the first semiconductor material AIGaN and the second semiconductor material comprise GaN, or in that the first semiconductor material comprises GaN and the second
- Semiconductor material AIGaN includes. Such an embodiment of
- the present invention offers the advantage that semiconductor materials which are technically particularly good and easy to process can be used for a circuit breaker, so that such a circuit breaker can also be manufactured very inexpensively in addition to its good circuit properties.
- the carrier substrate may comprise a holding layer of a holding material, wherein the holding material is different from a main material of the carrier substrate, in particular wherein the main material of the carrier substrate comprises silicon, wherein the first semiconductor material is arranged on the holding layer.
- a suitable buffer layer is used, a good crystal quality of the first semiconductor layer can be achieved, and at the same time large-area and inexpensive substrates can be used.
- the gate connection and the channel region may be separated by gate oxide layer, in particular wherein at least one predetermined type of charge carriers is embedded in the gate oxide layer and / or wherein the gate oxide layer has a predetermined density of charge carriers.
- Such an embodiment of the present invention offers the advantage of the possibility of setting a type of conduction of the circuit breaker, in particular the design of the circuit breaker as a self-locking or self-conducting. Also, a breakdown voltage or
- Activation voltage can be adjusted by a thickness of the gate oxide layer and / or the density of the predetermined charge carriers in the gate oxide layer.
- FIG. 1 is a cross-sectional view through a semiconductor power switch according to an embodiment of the present invention
- FIG. 3 is an illustration of energy levels in materials occurring along the cross-sectional view shown in FIG.
- the circuit breaker 100 comprises a semiconductor or carrier substrate 1 10, which has a main component 1 15 (for example, a silicon crystal with 1 1 1 - lattice structure) and one on the main component 1 15 applied
- a main component 1 15 for example, a silicon crystal with 1 1 1 - lattice structure
- Buffer layer 120 includes.
- the buffer layer 120 may consist of an AIN seed layer followed by a sequence of AIGaN layers having a gradually decreasing Al concentration.
- targeted doping with, for example, carbon or iron foreign atoms of at least part of this buffer structure can be used for charge carrier compensation.
- the buffer layer 120 serves a very good adhesion base for a semiconductor heterostructure 125 arranged on the buffer layer 120.
- This semiconductor heterostructure 125 may be, for example, a stack of two layers of different semiconductor materials.
- you can these different semiconductor materials consist of semiconductor materials that have a different bandgap or a
- Heterostructure 125 can thereby be arranged as a first semiconductor layer 130 (made of a first semiconductor material) and a second semiconductor layer 135 (made of a second semiconductor material) arranged on the first semiconductor layer and an III-V semiconductor composite or an III-V semiconductor Form composite system.
- the semiconductor material of the first semiconductor layer 130 may be an I II material (i.e., a material of the 3rd main group of the periodic table), whereas the semiconductor material of the second semiconductor layer
- the first semiconductor material may be a V-type material and the second semiconductor material may be an III-type material.
- the first semiconductor material AIGaN and the second semiconductor material may be GaN (or comprise these materials accordingly) or vice versa.
- an interface layer 140 is formed, in which electrons have a particularly high mobility.
- Boundary layer 140 acts as a two-dimensional electron gas (2DEG) and offers a very good circuit option for high power, d. H. height
- a drain terminal 145 and a source terminal 150 are provided, which extends through the second semiconductor layer 135 as far as the barrier layer 140 or into the first semiconductor layer. Laterally to the drain terminal 145 and the source terminal 150, d. H. each to the other connection
- a lateral insulating layer 153 is provided, which is a discharge of electrons from a channel region 160 between the one
- Gate oxide layer 165 arranged as a gate dielectric. On the gate oxide layer 165, a gate terminal 170 is provided in the region of the channel region 155, so that the semiconductor power switch 100 is formed as a field effect transistor.
- the channel region 155 can also be understood as a channel of a field-effect transistor. Order now a particularly good setting of a threshold voltage of
- Semiconductor circuit breaker 100 are now introduced into the gate oxide layer 165 targeted charge carriers, so that a corresponding electric field is created, which is the application of an external voltage at the
- Gate electrode is equivalent.
- the threshold voltage of the transistor can be controlled to be shifted, for example, a positive
- the charge carriers can be introduced into the dielectric by various methods. For example, electrically charged foreign atoms can be introduced into the gate dielectric by means of ion implantation.
- this introduction of charges into the gate dielectric can be effected by depositing a layer stack which has analogous properties to memory cell technology (eg EPROM or EEPROM devices).
- memory cell technology eg EPROM or EEPROM devices
- electrons are injected by the application of a suitable gate voltage to the control oxide in the adhesion sites of the nitride layer.
- a deletion of memory technology z. B. local UV irradiation to simultaneously on a chip devices with standard threshold voltage
- Annealing process eg a Si0 2 / Al 2 0 3- layer stack with a
- Annealing process at a high temperature between 1000-1200 ° C see, for example, "Gas sensor and method for producing such", R341737.
- the illustrated structure of a semiconductor power switch 100 may be referred to as a standard gate dielectric HEMT structure.
- the HEMT transistor consists of layers of different types
- Heterostructure Semiconductor materials with different band gaps
- compound semiconductors are suitable for this purpose, which consist of elements of the Ill / V group of the periodic table.
- the material system GaN / AIGaN can be used.
- Such GaN HEMT transistors can be produced by epitaxially depositing GaN / AlGaN heterostructures on Si, SiC or sapphire substrates.
- Heterostructure interface 140 move, for example, in the GaN / AIGaN material system.
- the heterostructure 125 can be contacted laterally by source 150 and drain connections 145, and the channel region 155 between source 155 and drain 145 is controlled by a gate electrode 170.
- the gate electrode 170 is separated from the channel region 155 by a gate dielectric 165, in which specifically stable charges can be introduced which set the threshold voltage of the transistor.
- One approach of such a device fabrication process may include the following steps. First, a deposition of a
- Main component 1 15 of a carrier substrate 1 10 done. Thereafter, a lateral component isolation can be carried out, for example by
- Circuit breakers 100 are manufactured. Can connect to this
- FIG. 2 shows a flow chart of a method 200 for producing a semiconductor power switch according to an exemplary embodiment of the present disclosure
- the method 200 has a step 210 of providing a carrier substrate. Furthermore, the method 200 includes a
- the method 200 includes a step 230 of forming a
- Drain terminal and a source terminal which are embedded at least in the second semiconductor layer, wherein by means of the drain terminal and the source terminal, at least one boundary layer between the first and second semiconductor material is electrically contacted and through the
- the method 200 includes a step 240 of arranging a
- Gate connection that at least partially covers the channel area.
- the steps 230 and 240 can also be performed in a different order from that shown here.
- the gate dielectric can be according to the desired
- Operating conditions can be varied.
- a variant of the gate dielectric proposed by the approach presented here and of the method for producing the circuit breaker 100 can be used to stably introduce charges into the gate dielectric 165.
- this introduction of charges into the gate dielectric can take place in that a deposition of a layer stack takes place, which analog
- This structure may for example consist of a SONOS structure, as shown in FIG. 2 by way of example in the form of a
- electrons are injected by the application of a suitable gate voltage to the control oxide in the adhesion sites of the nitride layer. It can also be used in this variant, a deletion of memory technology, z. B. local UV irradiation to simultaneously on a chip devices with standard threshold voltage as well as with modified
- the invention can be used in all power electronic systems for converting electrical energy, for. B. in the automotive field in hybrid or electric vehicles, as well as in the photovoltaic field for the realization of z. B. inverter systems.
- an exemplary embodiment comprises a "and / or" link between a first feature and a second feature, then this is to be read so that the embodiment according to one embodiment, both the first feature and the second feature and according to another embodiment either only first feature or only the second feature.
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)
- Junction Field-Effect Transistors (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE201310211360 DE102013211360A1 (de) | 2013-06-18 | 2013-06-18 | Halbleiter-Leistungsschalter und Verfahren zur Herstellung eines Halbleiter-Leistungsschalters |
PCT/EP2014/061806 WO2014202410A1 (de) | 2013-06-18 | 2014-06-06 | Halbleiter-leistungsschalter und verfahren zur herstellung eines halbleiter-leistungsschalters |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3011597A1 true EP3011597A1 (de) | 2016-04-27 |
Family
ID=50897618
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP14728956.5A Ceased EP3011597A1 (de) | 2013-06-18 | 2014-06-06 | Halbleiter-leistungsschalter und verfahren zur herstellung eines halbleiter-leistungsschalters |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP3011597A1 (de) |
JP (1) | JP2016524332A (de) |
CN (1) | CN105283960A (de) |
DE (1) | DE102013211360A1 (de) |
WO (1) | WO2014202410A1 (de) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20070132037A1 (en) * | 2005-12-12 | 2007-06-14 | Oki Electric Industry Co., Ltd. | Semiconductor device having ohmic recessed electrode |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6690059B1 (en) | 2002-08-22 | 2004-02-10 | Atmel Corporation | Nanocrystal electron device |
JP2006269862A (ja) * | 2005-03-25 | 2006-10-05 | Oki Electric Ind Co Ltd | 半導体装置形成用ウエハ、その製造方法、および電界効果型トランジスタ |
US8482035B2 (en) * | 2005-07-29 | 2013-07-09 | International Rectifier Corporation | Enhancement mode III-nitride transistors with single gate Dielectric structure |
WO2007077666A1 (ja) * | 2005-12-28 | 2007-07-12 | Nec Corporation | 電界効果トランジスタ、ならびに、該電界効果トランジスタの作製に供される多層エピタキシャル膜 |
US7692263B2 (en) * | 2006-11-21 | 2010-04-06 | Cree, Inc. | High voltage GaN transistors |
CN101604704B (zh) * | 2008-06-13 | 2012-09-05 | 西安能讯微电子有限公司 | Hemt器件及其制造方法 |
EP2360728B1 (de) * | 2010-02-12 | 2020-04-29 | Infineon Technologies Americas Corp. | Verstärkungsmodus-Transistoren aus einem Nitrid der Gruppe III mit dielektrischer Struktur mit einem einzigen Gate |
US20120019284A1 (en) * | 2010-07-26 | 2012-01-26 | Infineon Technologies Austria Ag | Normally-Off Field Effect Transistor, a Manufacturing Method Therefor and a Method for Programming a Power Field Effect Transistor |
JP2012033575A (ja) * | 2010-07-28 | 2012-02-16 | Sumitomo Electric Ind Ltd | 半導体装置 |
JP5636867B2 (ja) * | 2010-10-19 | 2014-12-10 | 富士通株式会社 | 半導体装置及び半導体装置の製造方法 |
JP2012156332A (ja) * | 2011-01-26 | 2012-08-16 | Toshiba Corp | 半導体素子 |
JP2013074128A (ja) * | 2011-09-28 | 2013-04-22 | Sharp Corp | スイッチング素子 |
-
2013
- 2013-06-18 DE DE201310211360 patent/DE102013211360A1/de not_active Withdrawn
-
2014
- 2014-06-06 WO PCT/EP2014/061806 patent/WO2014202410A1/de active Application Filing
- 2014-06-06 EP EP14728956.5A patent/EP3011597A1/de not_active Ceased
- 2014-06-06 CN CN201480034527.4A patent/CN105283960A/zh active Pending
- 2014-06-06 JP JP2016520371A patent/JP2016524332A/ja active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20070132037A1 (en) * | 2005-12-12 | 2007-06-14 | Oki Electric Industry Co., Ltd. | Semiconductor device having ohmic recessed electrode |
Non-Patent Citations (4)
Title |
---|
CHUNHUA ZHOU ET AL: "Vertical leakage/breakdown mechanisms in AlGaN/GaN-on-Si structures", POWER SEMICONDUCTOR DEVICES AND ICS (ISPSD), 2012 24TH INTERNATIONAL SYMPOSIUM ON, IEEE, 3 June 2012 (2012-06-03), pages 245 - 248, XP032452812, ISBN: 978-1-4577-1594-5, DOI: 10.1109/ISPSD.2012.6229069 * |
LIU H F ET AL: "Influence of stress on structural properties of AlGaN/GaN high electron mobility transistor layers grown on 150 mm diameter Si (111) subst", JOURNAL OF APPLIED PHYSICS, AMERICAN INSTITUTE OF PHYSICS, US, vol. 113, no. 2, 14 January 2013 (2013-01-14), pages 23510 - 23510, XP012169467, ISSN: 0021-8979, [retrieved on 20130110], DOI: 10.1063/1.4774288 * |
See also references of WO2014202410A1 * |
XUAN RONG ET AL: "Enhancing threshold voltage of AlGaN/GaN high electron mobility transistors by nano rod structure: From depletion mode to enhancement mode", APPLIED PHYSICS LETTERS, A I P PUBLISHING LLC, US, vol. 101, no. 11, 10 September 2012 (2012-09-10), pages 112105 - 112105, XP012164498, ISSN: 0003-6951, [retrieved on 20120912], DOI: 10.1063/1.4752113 * |
Also Published As
Publication number | Publication date |
---|---|
JP2016524332A (ja) | 2016-08-12 |
WO2014202410A1 (de) | 2014-12-24 |
CN105283960A (zh) | 2016-01-27 |
DE102013211360A1 (de) | 2014-12-18 |
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