EP3292566A1 - Method for producing an electronic circuit device and electronic circuit device - Google Patents
Method for producing an electronic circuit device and electronic circuit deviceInfo
- Publication number
- EP3292566A1 EP3292566A1 EP16710119.5A EP16710119A EP3292566A1 EP 3292566 A1 EP3292566 A1 EP 3292566A1 EP 16710119 A EP16710119 A EP 16710119A EP 3292566 A1 EP3292566 A1 EP 3292566A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- iii
- compound semiconductor
- circuit
- substrate
- semiconductor device
- 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.)
- Withdrawn
Links
- 238000004519 manufacturing process Methods 0.000 title abstract description 13
- 239000004065 semiconductor Substances 0.000 claims abstract description 149
- 239000000758 substrate Substances 0.000 claims abstract description 98
- 238000000034 method Methods 0.000 claims abstract description 30
- 239000004020 conductor Substances 0.000 claims abstract description 27
- 238000012545 processing Methods 0.000 claims abstract description 27
- 229910052751 metal Inorganic materials 0.000 claims abstract description 14
- 239000002184 metal Substances 0.000 claims abstract description 14
- 150000001875 compounds Chemical class 0.000 claims description 126
- 239000000463 material Substances 0.000 claims description 12
- 239000002131 composite material Substances 0.000 claims description 6
- 238000005229 chemical vapour deposition Methods 0.000 claims description 5
- 238000000151 deposition Methods 0.000 claims description 5
- 239000000126 substance Substances 0.000 claims description 5
- 230000008021 deposition Effects 0.000 claims description 4
- 125000002524 organometallic group Chemical group 0.000 claims description 3
- 238000001947 vapour-phase growth Methods 0.000 claims 1
- 239000003990 capacitor Substances 0.000 description 40
- 230000010354 integration Effects 0.000 description 17
- 229910052710 silicon Inorganic materials 0.000 description 13
- 239000010703 silicon Substances 0.000 description 13
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 12
- 238000013459 approach Methods 0.000 description 7
- 238000001465 metallisation Methods 0.000 description 7
- 230000003071 parasitic effect Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000013016 damping Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000005476 soldering Methods 0.000 description 2
- 238000007740 vapor deposition Methods 0.000 description 2
- 229910002704 AlGaN Inorganic materials 0.000 description 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical group [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 125000003636 chemical group Chemical group 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000005137 deposition process Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000010327 methods by industry Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 125000002743 phosphorus functional group Chemical group 0.000 description 1
- 238000005289 physical deposition Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 150000003376 silicon Chemical class 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 238000002207 thermal evaporation Methods 0.000 description 1
- 230000005533 two-dimensional electron gas Effects 0.000 description 1
Classifications
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- 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
- H01L21/77—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate
- H01L21/78—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices
- H01L21/82—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices to produce devices, e.g. integrated circuits, each consisting of a plurality of components
- H01L21/8252—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices to produce devices, e.g. integrated circuits, each consisting of a plurality of components the substrate being a semiconductor, using III-V technology
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- H01L23/498—Leads, i.e. metallisations or lead-frames on insulating substrates, e.g. chip carriers
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- H01L29/66462—Unipolar field-effect transistors with an active layer made of a group 13/15 material, e.g. group 13/15 velocity modulation transistor [VMT], group 13/15 negative resistance FET [NERFET] with a heterojunction interface channel or gate, e.g. HFET, HIGFET, SISFET, HJFET, HEMT
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- H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
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- H01L2924/19101—Disposition of discrete passive components
- H01L2924/19102—Disposition of discrete passive components in a stacked assembly with the semiconductor or solid state device
- H01L2924/19104—Disposition of discrete passive components in a stacked assembly with the semiconductor or solid state device on the semiconductor or solid-state device, i.e. passive-on-chip
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/19—Details of hybrid assemblies other than the semiconductor or other solid state devices to be connected
- H01L2924/191—Disposition
- H01L2924/19101—Disposition of discrete passive components
- H01L2924/19105—Disposition of discrete passive components in a side-by-side arrangement on a common die mounting substrate
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
- H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/53—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/537—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters
Definitions
- the present invention relates to a method of manufacturing an electronic circuit device and to a corresponding electronic circuit device.
- HEMT high-electron-mobility transistor
- MOCVD Metal Organic Chemical Vapor Deposition
- the transistors made on it are processed in subsequent steps on the front side and finally processed into individual transistors. Subsequently, the transistors along with the necessary passive circuits.
- Components eg. B. coils, capacitors, resistors, assembled into an electrical circuit.
- Sheet resistance with the high breakdown resistance of the systems can be transistors with low power dissipation and at the same time high
- the integration density of power semiconductor circuits based on the devices can be increased.
- the III-V compound semiconductor components can be used as lateral switching transistors of a commutation cell of a III-V circuit breaker.
- the back of a substrate used for the circuit for. B. a silicon substrate, on the front side, the semiconductor circuit, for. B. a bridge or
- Inverter circuit is used for contact surfaces as well as for integrated passive components, in particular the DC link capacitor and / or parts of the gate drive electronics.
- the available chip area can thus be utilized to the maximum and wafer costs can be saved. Even costly bond and solder joints can be reduced, as connections between the individual
- EMC Electromagnetic Compatibility
- the front of the circuit can be used for cooling, which offers a lower thermal resistance to the heat sink than the back.
- the structure of the circuit device can be made particularly low interference due to the laying of the dynamic node on the semiconductor top and the high symmetry from EMC point of view. Since in the concept presented here, the functional isolation is carried out separately, it is possible with the proposed structure, EMC filter components, eg. B. RC snubber or Y-capacitors for connections, monolithic integration.
- a method for producing an electronic circuit device is presented, the method having the following steps:
- Substrate top of the substrate, wherein the III-V compound semiconductor circuit at least a first III-V compound semiconductor device, a second III-V compound semiconductor device and an electrical conductor, the first III-V compound semiconductor device and the second III V-compound semiconductor device electrically conductively connects, has;
- the process can be carried out in a fully or partially automated manufacturing plant.
- the electronic circuit device may be a power electronics circuit or a part of a
- Power electronics circuit act, for example, in a
- the substrate may serve as a carrier for the III-V compound semiconductor circuit and be in the form of a silicon wafer, for example.
- processing can be understood as a process-technical application of the semiconductor circuit materials-that is to say of the first III-V compound semiconductor component, the second III-V compound semiconductor component and the electrical conductor-to the substrate surface, for example using a gas deposition method.
- a selective removal of certain materials or a selective isolation in certain areas can be understood.
- a power electronic circuit may be, for example, a half bridge, a full bridge or an inverter circuit.
- the metallized circuit carrier may comprise a metallization or the metal layer.
- an electric contact surface and / or an electric wire to the III-V compound semiconductor circuit can be readily provided.
- the electrical contact surface can be used for the return of the current in the
- Circuit carrier can be made continuous or structured. Furthermore, the formed by the metallized circuit carrier
- Metalltik- back side of the substrate by means of vias are electrically connected to the III-IV compound semiconductor devices.
- the rear side of the substrate as the current-carrying part of the power electronic circuit, a low-inductance structure is made possible.
- a major advantage of the approach described is that initially all III-V compound semiconductor devices are fabricated by process engineering deposition of the semiconductor materials. In the subsequent step, the Ill-V compound semiconductor devices are isolated from one another and finally electrically connected to one another at the required wafer level terminations.
- the approach described enables a wafer-level combination of III-V compound semiconductor circuitry with other elements such as a current-carrying backside, integration of passive devices such as a capacitor, or integration of parts of a drive circuit.
- the first III-V compound semiconductor device and the second III-VI compound semiconductor device are to be understood as electrical components having compounds of main group III and main group V materials.
- the first III-V compound semiconductor device and the second III-V compound semiconductor device may have the same or different material composition. In a combination of materials of main groups III and V becomes the
- the electrical conductor may be processed between side surfaces of the III-V compound semiconductor devices on the substrate surface.
- the electrical conductor may be one between terminals of the
- the step of processing may include a full-area deposition step in which the III-V compound semiconductor devices are implemented as a
- the two components initially not as a single independent components, but as a composite.
- the step of processing may include a step of processing the composite element to obtain the first III-V compound semiconductor device and the second III-V compound semiconductor device as two independent III-V compound semiconductor devices.
- the step of processing may include a step of metallizing in which the electrical conductor can be made.
- the first III-V compound semiconductor device and the second III-V device Compound semiconductor device to be processed on a III-V compound semiconductor layer.
- the two components can be interlocked.
- the electrical conductor may be positioned and patterned on a III-V compound semiconductor material, for example, on said III-V compound semiconductor layer.
- the first III-V compound semiconductor device, the second III-V compound semiconductor device, and the electrical conductor may be under
- Vapor deposition offers the advantage of a particularly uniform and exact shaping of the individual components of the III-V compound semiconductor circuit on the substrate surface. Manufacturing tolerances can be reduced to a minimum.
- a III-V compound semiconductor circuit for example a half or full bridge, an inverter circuit or other power electronic circuits consisting of at least two elements, can be processed.
- the circuits can be realized particularly inexpensively.
- the method may include a step of providing a passive one
- a terminal of the passive circuit element can be electrically conductively connected to at least one of the III-V compound semiconductor components.
- a capacitor may be integrated as a passive circuit element, for example on the back side of the substrate. With the Integration of the passive circuit element may be the ones for which
- the passive circuit element in the step of providing the passive circuit element, may be fabricated on the further substrate surface. After fabrication, the substrate on which the passive devices are electrically and mechanically coupled to the substrate on which the III-VI compound semiconductor devices are located may be bonded.
- the advantage of this embodiment is in addition to the applicability of a low-cost series product as the passive
- Circuit element in an easy to realize and inexpensive electrical connectivity of the passive circuit element to the III-V compound semiconductor circuit.
- Circuit element the passive circuit element on a side facing away from the further substrate surface of the substrate surface of the (partially) metallized circuit substrate are arranged.
- a passive circuit element of any size and shape can be used.
- Circuit design can be realized.
- a substrate and a III-V compound semiconductor circuit disposed on a substrate top side of the substrate, wherein the III-V compound semiconductor circuit at least a first III-V compound semiconductor device, a second III-V compound semiconductor device, and an electrical conductor electrically connecting the first III-V compound semiconductor device and the second III-V compound semiconductor device ,
- the electronic circuit device may comprise a metal layer and additionally or alternatively a metallized circuit carrier, which may be arranged on a rear side of the substrate opposite the substrate top side.
- the metallized circuit carrier or the metal layer may be used as an electrical contact surface for returning a current for a
- the object underlying the invention can be solved quickly and efficiently.
- Fig. 1 is a schematic diagram of an electronic circuit
- FIG. 2 is a schematic diagram of an electronic circuit device
- FIG. 4 shows a cross section of an electronic circuit device with laterally arranged capacitor, according to an embodiment of the
- 5 shows a cross section of an electronic circuit device with a capacitor structured on the substrate rear side, according to an exemplary embodiment of the present invention
- 6 is a cross-section of an electronic circuit device with heterogeneous integration of the capacitor by 3D stacking, according to an embodiment of the present invention
- Fig. 7 is a plan view of a front side of an electronic
- Fig. 8 is a plan view of a back side of an electronic
- 9 is a plan view of a back side of an electronic
- Fig. 1 shows a schematic diagram of an electronic circuit 100 according to the prior art.
- the circuit 100 is a
- Inverter circuit with typically six active circuit breakers or
- Power transistors Tl, T2, T3, T4, T5 and T6 on a circuit carrier 101 are based on GaN and AIGaN layers and constructed as discrete components on the
- Silicon substrate 101 is arranged. Adjacent to the transistors Tl, T2, T3, T4, T5 and T6 are as passive components, a capacitor 102 and a
- Each transistor T1, T2, T3, T4, T5, T6 has three terminals drain, gate G and source.
- transistors Tl, T2, T3, T4, T5, and T6 can be interconnected at wafer level with one another
- the electronic circuit device 200 comprises a substrate 202 and a III-V compound semiconductor circuit 206 arranged on a substrate upper side 204 of the substrate 202.
- the III-V compound semiconductor circuit 206 consists of a first illusory V compound semiconductor device 208, a second III-V compound semiconductor device 210, and an electrical conductor 212 that electrically connects one terminal of the first III-V compound semiconductor device 208 to a terminal of the second III-V compound semiconductor device 210 conductive, together.
- the substrate 202 is a silicon wafer in the embodiment shown.
- the III-V compound semiconductor devices 208, 210 are made of materials of the main chemical groups III (earth metals / boron group) and V (nitrogen groups).
- Phosphorus group formed or exhibit materials of the chemical
- the electronic circuit device 200 can be used as part of power electronics, in which the III-V compound semiconductor devices 208, 210 form switching transistors, for example.
- the III-V compound semiconductor circuit 206 may include more than the two II-V compound semiconductor devices 208, 210 shown, for example, six III-V compound semiconductor devices.
- the III-V compound semiconductor circuit 206 may have more than one electrical conductor 212 shown.
- at least one further electrical conductor can be routed between further terminals of the III-V compound semiconductor components 208, 210.
- at least one further electrical conductor may be routed between one of the III-V compound semiconductor devices 208, 210 and a terminal contact of the III-V compound semiconductor circuit 206.
- the optional further conductors can be manufactured in accordance with the electrical conductor 212.
- the elements 208, 210 of the III-V compound semiconductor circuit 206 were formed by chemical vapor deposition on the substrate surface 204. As the illustration in Fig. 2 shows, the electrical conductor 212 is on the
- Substrate surface 204 is applied to extend between a sidewall 214 of the first III-V compound semiconductor device 208 and a sidewall 216 of the second III-V compound semiconductor device 210. It is processed in the following order: First, there is a full-surface deposition of the III-V semiconductor. At this time, the III-V compound semiconductor devices 208, 210 are deposited as a composite element. Subsequently, a further processing is carried out to contain two components. Thereby, two stand-alone III-V compound semiconductor devices 208, 210 are obtained. Subsequently, a metallization is performed to connect the components in the right place.
- III-V compound semiconductor devices 208, 210 are fabricated simultaneously during processing and are not geometrically and chemically initially two devices. You will only be through one more
- the first and second III-V compound semiconductor devices 208, 210 are on a III-V compound semiconductor layer and are intermeshed toothed. Additionally, in another embodiment, conductor 212 may be positioned and patterned on a III-V compound semiconductor material.
- FIG. 3 shows a flow chart of an embodiment of a method 300 for producing an electronic circuit device. The procedure
- a substrate is provided.
- a step 304 at least one first III-V compound semiconductor device, a second III-V compound semiconductor device, and a III-V compound semiconductor device are deposited.
- Electrically conductive elements connect electrical conductor on one
- Substrate surface of the substrate a III-V compound semiconductor circuit processed on the substrate.
- a metallized circuit carrier or a metallization is arranged on a rear side of the substrate opposite the substrate top side.
- the III-V compound semiconductor devices and using a chemical vapor deposition method in the step of processing 304, the III-V compound semiconductor devices and using a chemical vapor deposition method,
- Vapor deposition method applied to the substrate surface.
- the electrical conductor can be applied, for example, by means of thermal evaporation or physical deposition (sputtering).
- Fig. 4 shows a variant of the electronic presented herein
- Circuit device 200 in a cross-sectional view includes the silicon substrate 202 having the III-V compound semiconductor circuit 206 and a metallized one
- the compound semiconductor circuit 206 includes an exemplary first III-V compound semiconductor device 208
- exemplary second III-V compound semiconductor device 210 as well as the Components 208, 210 electrically conductively connecting electrical conductors 212.
- the exemplary electronic circuit device 200 shown in FIG. 4 is used as a commutation cell, in which the III-V
- Compound semiconductor circuit 206 forms a half-bridge circuit.
- the first III-V compound semiconductor device 208 and the III-V compound semiconductor device 210 are each formed as a GaN transistor, wherein the first GaN transistor 208 is a switch and the second GaN transistor 210 is a diode , Depending on the circuit, this can also be the other way around. Thus, the first GaN transistor 208 may also be a diode and the second GaN transistor 210 may be a switch. Between the III-V compound semiconductor circuit 206 and the substrate surface 204 is disposed an insulating buffer layer 404, which is shown in FIG.
- Embodiment over the entire substrate surface 204 extends.
- the metallized circuit carrier 400 is arranged on a substrate upper side 406 of the substrate 202 opposite the substrate upper side 204. In the embodiment shown in Fig. 4, the metallized circuit substrate 400 is formed throughout, covering the other
- Substrate top 406 completely and extends on both sides of the
- Silicon substrate 202 Silicon substrate 202.
- Compound semiconductor circuit 206 The surface 408 of the metallized circuit substrate 400 forms an electrically conductive path with a first
- Terminal 410 and a second terminal 412 for guiding the return current among the semiconductor devices 208, 210 from.
- the first GaN transistor 208 is connected to the first terminal via a first bonding wire 414 410 of the metallized circuit substrate 400 and coupled the second GaN transistor 210 via a second bonding wire 416 with a terminal 418 of the passive circuit element 402.
- the second terminal 412 of the metallized circuit carrier 400 is coupled to a further terminal 420 of the passive circuit element 402.
- the parasitic inductance of the commutation cell 200 can be drastically reduced.
- the capacitor 402 required for the commutation processes is placed next to the semiconductor components 208, 210.
- the embodiment of the commutation capacitor 402 remains free.
- Embodiments further passive components are structured. According to embodiments, the electronic circuit device
- Inverter circuit usual six transistors have.
- Capacitor 402 may be provided further passive circuit elements.
- Fig. 5 again shows in a cross-sectional view another
- Embodiment of the electronic circuit device 200 in contrast to the embodiment shown in Fig. 4, the passive
- Circuit element 402 is not arranged adjacent to the III-V compound semiconductor circuit 206, but on the back of the
- the passive circuit element 402 is designed as a capacitor.
- the capacitor 402 is in trench technology as a trench capacitor or
- the III-V compound semiconductor circuit 206 includes the first GaN transistor 208 as a switch, the second GaN transistor 210 as a diode, and the electrical conductors 212 connecting the semiconductor elements 208, 210.
- Circuit element 402 in the electronic circuit device 200 may be dispensed with the bonding connections shown in Fig. 4. Instead, for the voltage supply of the wafer-level III-V compound semiconductor circuit 206, a first via 500 is interposed between the first III-V compound semiconductor device 208 and the trench capacitor 402 and a second via 502 is interposed between the second III-V compound semiconductor device 210 and a metallization 540 created.
- FIG. 6 shows a cross section of a further variant of the electronic circuit device 200 presented here.
- the stack of silicon substrate 202, buffer layer 404 and III-V compound semiconductor circuit 206 corresponds to the structure shown in FIGS. 4 and 5. As in the one shown in Fig. 5
- Embodiment is the passive circuit element 402 as a
- Embodiment however, not integrated into the silicon substrate 202, but below the substrate 202 between a metal layer 540 and the metallized circuit substrate 400. Concretely, the
- Circuit carrier 400
- Circuit element 402 by 3D stacking allows any extension of the electronic circuit device 200, here by an arrangement of a further circuit element 606 on one of the top 604 of the
- Circuit carrier 600 As the further circuit element 606 may be a
- Substrate such. B. come a cooler plate used.
- the first bonding wire 414 electrically conductively couples the first III-V compound semiconductor device 208 to the metallization 400 and the second bonding wire 416, the second III-V compound semiconductor device 210 electrically conductive with the metallized circuit substrate 600th
- Transistor substrate 402 with a z. B. based on Si technology capacity z. B. achieved by 3D stacking.
- the electrical connections 414, 416 between the semiconductor top side and the capacitor 402 may alternatively be achieved by soldering, as an alternative to the bonding shown in FIG.
- Fig. 7 shows schematically a plan view of a front side of a
- Embodiment of the electronic circuit device 200 Shown is the circuit device 200 with the typical six transistors of the inverter circuit 206, in addition to the transistors 208 and 210 four more
- Transistors 700, 702, 704 and 706. In the one shown in FIG.
- the transistors 208, 210, 700, 702, 704, 706 for the inverter circuit 206 were processed on the front side 204 of a GaN, AIN or AIGaN coated silicon wafer 202 and connected to the back side via via contacts (not shown).
- FIG. 8 schematically shows a plan view of an exemplary rear side of the exemplary embodiment of the electronic circuit device 200 shown in FIG. 7.
- the further substrate top side 406 of the substrate 202 and the metal layer 640 arranged thereon are shown
- the metal layer 640 is structured, that is, it does not completely cover the further substrate top side 406.
- Portions of the metallization 640 form a connection for a supply voltage 800 in a first edge region, a ground connection 802 in a second edge region opposite the first edge region, and connections for consumers U, V, W with assigned gate control connections G between the edge regions. Between the consumer connections U and V is the first passive circuit element of the capacitor 402. Between the load terminals V and W is another capacitor 804 as the second passive circuit element.
- the capacitors 402, 804 monolithically form on the rear side of the electronic switching device 200 as
- Wafer level trench capacitors or wafer level trench capacitors are integrated into the substrate 202 by DC link capacitors directly connected to the wafer level transistors (not shown). Furthermore, the rear side serves as a contact surface for supply voltage 800, ground 802, loads U, V, W and gate drive G.
- the loads U, V, W may be outer conductors of an electrical machine, for example a three-phase machine.
- the electronic switching device 200 may constitute a control device for driving an electric machine.
- FIG. 9 shows a plan view of an alternative construction of the rear side of the electronic circuit device 200.
- the design of the exemplary circuit rear side shown in FIG. 9 corresponds to that shown in FIG.
- a first RC snubber 900, a second RC snubber 902, and a third RC snubber 904 are interposed between the first and second RC snubbers Consumer terminals U and V provided and instead of the second
- RC snubber 906 Condenser a fourth RC snubber 906, a fifth RC snubber 908 and a sixth RC snubber 910 between the load terminals V and W provided.
- Each of the RC snubbers 900, 902, 904, 906, 908, 910 has a gate drive G and is each one of the transistors on the
- the RC snubbers 900, 902, 904, 906, 908, 910 may also be monolithically integrated in addition to the backplane capacitors on the back side.
- other passive components can be monolithically integrated on the back.
- FIGS. 8 and 9 show how design of the ESR (effective series resistance) is specifically designed in the context of the technological possibilities.
- the back side of the wafer can be used for further passive components.
- B. Si MOSFETs integrate.
- a major aspect of the integrated power electronics circuit concept presented herein, such as the inverter circuit, is to power the backside of silicon wafer 202 for power conduction and / or monolithic or heterogeneous integration of passive components of DC link capacitors 402, 804 and / or electronics Gate drive G to use.
- the active components, z In the manufacturing process, the active components, z.
- the six transistors 208, 210, 700, 702, 704, 706 of a three-phase bridge circuit are processed on the front side.
- Transistors 208, 210, 700, 702, 704, 706 to isolate the electrical connections to the back of the wafer 202 by means of z. B. passed through.
- the integration density of power semiconductor circuits based on lateral switching transistors can be increased.
- passive Components such as the DC link capacitor on the back of the transistor substrate, the wafer front and back can be used optimally. Connections between the individual components are largely realized monolithically at the wafer level. In addition, the distances between the active power transistors and the passive devices are minimized and the parasitic impedances of the
- circuit concept presented herein may support the production of
- an exemplary embodiment comprises an "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)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Ceramic Engineering (AREA)
- Geometry (AREA)
- Semiconductor Integrated Circuits (AREA)
- Junction Field-Effect Transistors (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102015208150.8A DE102015208150A1 (en) | 2015-05-04 | 2015-05-04 | Method for producing an electronic circuit device and electronic circuit device |
PCT/EP2016/054884 WO2016177491A1 (en) | 2015-05-04 | 2016-03-08 | Method for producing an electronic circuit device and electronic circuit device |
Publications (1)
Publication Number | Publication Date |
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EP3292566A1 true EP3292566A1 (en) | 2018-03-14 |
Family
ID=55538190
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP16710119.5A Withdrawn EP3292566A1 (en) | 2015-05-04 | 2016-03-08 | Method for producing an electronic circuit device and electronic circuit device |
Country Status (4)
Country | Link |
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US (1) | US20180366455A1 (en) |
EP (1) | EP3292566A1 (en) |
DE (1) | DE102015208150A1 (en) |
WO (1) | WO2016177491A1 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3358738A1 (en) * | 2017-02-03 | 2018-08-08 | Siemens Aktiengesellschaft | Power semiconductor circuit |
JP6972686B2 (en) | 2017-06-15 | 2021-11-24 | 株式会社ジェイテクト | Semiconductor device |
DE102020207885A1 (en) | 2020-06-25 | 2021-12-30 | Robert Bosch Gesellschaft mit beschränkter Haftung | Power output stage for a device for supplying energy to an electrical load |
DE102020207886A1 (en) | 2020-06-25 | 2021-12-30 | Robert Bosch Gesellschaft mit beschränkter Haftung | Power output stage for a device for supplying energy to an electrical load |
DE102022205483A1 (en) | 2022-05-31 | 2023-11-30 | Rolls-Royce Deutschland Ltd & Co Kg | Fast switching of transistors in a limited capacity converter |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
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US8749021B2 (en) * | 2006-12-26 | 2014-06-10 | Megit Acquisition Corp. | Voltage regulator integrated with semiconductor chip |
JP5386246B2 (en) * | 2009-06-26 | 2014-01-15 | パナソニック株式会社 | Power converter |
JP2011187809A (en) * | 2010-03-10 | 2011-09-22 | Renesas Electronics Corp | Semiconductor device and multilayer wiring board |
JP5659182B2 (en) * | 2012-03-23 | 2015-01-28 | 株式会社東芝 | Nitride semiconductor device |
US9202811B2 (en) * | 2012-12-18 | 2015-12-01 | Infineon Technologies Americas Corp. | Cascode circuit integration of group III-N and group IV devices |
DE102013211374A1 (en) * | 2013-06-18 | 2014-12-18 | Robert Bosch Gmbh | Transistor and method for manufacturing a transistor |
US9385107B2 (en) * | 2013-08-05 | 2016-07-05 | Infineon Technologies Ag | Multichip device including a substrate |
US9525063B2 (en) * | 2013-10-30 | 2016-12-20 | Infineon Technologies Austria Ag | Switching circuit |
KR102182016B1 (en) * | 2013-12-02 | 2020-11-23 | 엘지이노텍 주식회사 | Semiconductor device and semiconductor circuit including the device |
CN104716128B (en) * | 2013-12-16 | 2019-11-22 | 台达电子企业管理(上海)有限公司 | The manufacturing method of power module, supply convertor and power module |
-
2015
- 2015-05-04 DE DE102015208150.8A patent/DE102015208150A1/en not_active Ceased
-
2016
- 2016-03-08 EP EP16710119.5A patent/EP3292566A1/en not_active Withdrawn
- 2016-03-08 US US15/570,648 patent/US20180366455A1/en not_active Abandoned
- 2016-03-08 WO PCT/EP2016/054884 patent/WO2016177491A1/en active Application Filing
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DE102015208150A1 (en) | 2016-11-10 |
US20180366455A1 (en) | 2018-12-20 |
WO2016177491A1 (en) | 2016-11-10 |
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