EP3607581A1 - Zweiseitig gekühlter schaltkreis - Google Patents
Zweiseitig gekühlter schaltkreisInfo
- Publication number
- EP3607581A1 EP3607581A1 EP18715007.3A EP18715007A EP3607581A1 EP 3607581 A1 EP3607581 A1 EP 3607581A1 EP 18715007 A EP18715007 A EP 18715007A EP 3607581 A1 EP3607581 A1 EP 3607581A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- ceramic
- substrate
- circuit
- component
- current
- 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- Withdrawn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
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W40/00—Arrangements for thermal protection or thermal control
- H10W40/20—Arrangements for cooling
- H10W40/25—Arrangements for cooling characterised by their materials
- H10W40/255—Arrangements for cooling characterised by their materials having a laminate or multilayered structure, e.g. direct bond copper [DBC] ceramic substrates
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W40/00—Arrangements for thermal protection or thermal control
- H10W40/20—Arrangements for cooling
- H10W40/22—Arrangements for cooling characterised by their shape, e.g. having conical or cylindrical projections
- H10W40/226—Arrangements for cooling characterised by their shape, e.g. having conical or cylindrical projections characterised by projecting parts, e.g. fins to increase surface area
- H10W40/228—Arrangements for cooling characterised by their shape, e.g. having conical or cylindrical projections characterised by projecting parts, e.g. fins to increase surface area the projecting parts being wire-shaped or pin-shaped
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W40/00—Arrangements for thermal protection or thermal control
- H10W40/20—Arrangements for cooling
- H10W40/25—Arrangements for cooling characterised by their materials
- H10W40/259—Ceramics or glasses
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W40/00—Arrangements for thermal protection or thermal control
- H10W40/40—Arrangements for thermal protection or thermal control involving heat exchange by flowing fluids
- H10W40/43—Arrangements for thermal protection or thermal control involving heat exchange by flowing fluids by flowing gases, e.g. forced air cooling
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W40/00—Arrangements for thermal protection or thermal control
- H10W40/40—Arrangements for thermal protection or thermal control involving heat exchange by flowing fluids
- H10W40/47—Arrangements for thermal protection or thermal control involving heat exchange by flowing fluids by flowing liquids, e.g. forced water cooling
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W72/00—Interconnections or connectors in packages
- H10W72/071—Connecting or disconnecting
- H10W72/073—Connecting or disconnecting of die-attach connectors
- H10W72/07351—Connecting or disconnecting of die-attach connectors characterised by changes in properties of the die-attach connectors during connecting
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W72/00—Interconnections or connectors in packages
- H10W72/30—Die-attach connectors
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W72/00—Interconnections or connectors in packages
- H10W72/851—Dispositions of multiple connectors or interconnections
- H10W72/853—On the same surface
- H10W72/865—Die-attach connectors and bond wires
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W72/00—Interconnections or connectors in packages
- H10W72/851—Dispositions of multiple connectors or interconnections
- H10W72/874—On different surfaces
- H10W72/884—Die-attach connectors and bond wires
Definitions
- the invention relates to a component consisting of a first ceramic substrate, a ceramic fin cooler or a ceramic liquid-cooled radiator or a ceramic heat sink (air or liquid cooled) with a top and bottom, wherein on the top of a metallization is applied to the on a Connecting means a circuit of a semiconductor material is mounted with its bottom.
- ceramic substrates of Al 2 O 3 , AIN or Si 3 N 4 carry at least one-sided metallization (DCB-Cu, thick-film Cu, Ag, W-Ni-Au), on which in turn fixed by pressure, solder , sintered silver, silver glue or similar a circuit is mounted.
- DCB-Cu thick-film Cu, Ag, W-Ni-Au
- a heat sink made of aluminum or similar. glued or soldered.
- the circuits are so maximum connected on one side with an electrically insulating heat sink.
- the upper free side of the circuit is at most gas cooled.
- Under a circuit is generally understood a chip or a transistor.
- the invention has for its object to improve a component according to the preamble of claim 1 so that the circuit on both sides, i. cooled both on its bottom and on its top.
- the double-sided cooling of the circuits by elements with high thermal conductivity and simultaneously high electrical conductivity to increase the efficiency of the assembly. Furthermore, it should be ensured that the component retains its full functionality when heated or in total with temperature changes and does not fail.
- this object is achieved by a component having the features of claim 1.
- a connecting means is applied to the a ceramic Power / Wärnn einssubstrrat is applied with its underside and on the upper side of the current / heat conduction substrate via a metallization, a second ceramic substrate, wherein the ceramic current / heat conduction substrate for cooling metal-filled thermal-electrical vias (Vias) contains, wherein in both variants of the cooling the top and bottom of the power / heat conduction substrate (6) are electrically connected together, the circuit is cooled on both sides, that is both on its bottom and on its top.
- the double-sided cooling of the circuit by elements with high thermal conductivity and simultaneously high electrical conductivity increase the efficiency of the assembly of the circuit.
- the metal in the vias of the ceramic current / heat conduction substrate rests on both the metallization of the second substrate and on the connecting means, which is located on the circuit.
- the ceramic of the current / heat conduction substrate has an expansion coefficient which is adapted to the expansion coefficient of the semiconductor material of the circuit.
- the component retains its full functionality due to heating or total changes in temperature and does not fail.
- the expansion coefficients of the stom / bathleitsubstrates and the circuit differ by a maximum of 3ppm voneinader.
- the current / heat conduction substrate is a cuboid or a flat substrate.
- the circuit is preferably a silicon circuit, SiC circuit, a GaN circuit such as a diode or a transistor.
- the metallizations are preferably made of DCB-Cu, AMB-CU, thick-film Cu, Ag or W-Ni-Au and / or are sintered with the ceramic substrate metallizations. Sintered metallizations are intimately bonded to the ceramic and thus have excellent heat transfer from the circuit to the ceramic.
- the connecting means is preferably a solder, sintered silver or thermal adhesive.
- the plated-through holes are made of Cu or Ag and the substrates of aluminum nitride, aluminum oxide or silicon nitride. These ceramics have a high thermal conductivity.
- cooling elements such as fins or the like, are arranged on the underside of the first ceramic substrate, or the substrate itself is embodied as a heat-air or liquid-flow-through heat sink.
- This current / heat conduction substrate contains metal-filled thermal-electrical vias filled with, for example, Cu or Ag. If one chooses aluminum nitride as a substrate material, its coefficient of expansion of about 4, 7 ppm / K is close to the silicon of the chip
- connection of these Viakeramik can be done both on the side of the circuit as well as on the other side of the metallized ceramic substrate via solder, silver paste or silver sintered layer to a second ceramic substrate or directly when burning the copper paste with the copper layer of the metallized connect the upper substrate.
- liquid-flowed ceramic coolers or those with ceramic fins instead of the ceramic current / heat-conducting substrates.
- FIG. 1 shows a component 9 consisting of a first ceramic substrate 1 with an upper 1b and lower side 1a, wherein a metallization 2 is applied to the upper side 1b, on which a connection means 3 a circuit 4 of a semiconductor material with its Bottom is mounted.
- FIG. 2 shows a component 9 according to the prior art. The component consists of a first ceramic substrate 1 with a top 1 b and bottom 1 a, wherein on the top 1 b, a metallization 2 is applied, on which a connection means 3, a circuit 4 is mounted with its bottom.
- a ceramic current / heat conduction substrate 6 is applied with its underside via a connection means 5 and a second ceramic substrate 8 is arranged on the current / heat conduction substrate 6 via a metallization 7, wherein the ceramic current / heat conduction substrate Contains 6 metal-filled thermal-electrical vias 1 1 and / or cooling channels to guide a coolant.
- the ceramic substrates 1, 8 are preferably plate-shaped and consist of aluminum oxide, silicon nitride or preferably aluminum nitride, which has a very high thermal conductivity.
- the metallizations are preferably made of DCB-Cu AMB-CU, thick-film Cu, Ag or W-Ni-Au and / or are sintered with the ceramic substrate 1, 8.
- the circuit 4 is a diode or a transistor in the illustrated embodiment. ,
- the connecting means 3, 5 are preferably solder, sintered silver or silver glue.
- the plated-through holes 11 are made, for example, of Cu or Ag.
- cooling elements are preferably arranged, not shown in Figure 2.
- the cooling elements 1 and 8 may contain fins for air cooling. But it can also be fluid cooling boxes.
- the ceramic current / heat conduction substrate 6 serves to dissipate the waste heat of the circuit 4 in the ceramic substrate 8 and on the other hand can also be used for electrical coupling of the circuit 4 to the metallization 7.
- the current / heat conduction substrate 6 is also made of aluminum oxide, silicon nitride or preferably aluminum nitride. Through its metal-filled thermal-electrical vias (Vias) 1 1, the waste heat is transported and made an electrical connection.
- the plated-through holes (vias) 1 1 extend at right angles to the surface of the current / heat conduction substrate 6.
- the reference numeral 10 electrical connections are marked.
- FIG. 3 shows that a further layer of the metallization 7 can be applied between the connection means 5 and the ceramic current / heat conduction substrate 6. This is preferably connected to the metallization layer 7, which is arranged between the current / heat conduction substrate 6 and a second ceramic substrate 8, via the metal-filled thermal-electrical vias in material connection.
Landscapes
- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102017205906 | 2017-04-06 | ||
| PCT/EP2018/057953 WO2018184948A1 (de) | 2017-04-06 | 2018-03-28 | Zweiseitig gekühlter schaltkreis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP3607581A1 true EP3607581A1 (de) | 2020-02-12 |
Family
ID=61868513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP18715007.3A Withdrawn EP3607581A1 (de) | 2017-04-06 | 2018-03-28 | Zweiseitig gekühlter schaltkreis |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US20200075455A1 (de) |
| EP (1) | EP3607581A1 (de) |
| JP (1) | JP2020516054A (de) |
| KR (1) | KR20190137086A (de) |
| CN (1) | CN110431662A (de) |
| TW (1) | TW201838114A (de) |
| WO (1) | WO2018184948A1 (de) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102019124593A1 (de) * | 2019-09-12 | 2021-03-18 | Tdk Electronics Ag | Kühlsystem |
| KR20210076862A (ko) * | 2019-12-16 | 2021-06-24 | 주식회사 아모센스 | 파워모듈용 세라믹 기판 및 이를 포함하는 파워모듈 |
| EP3852138B1 (de) | 2020-01-20 | 2023-11-08 | Infineon Technologies Austria AG | Elektronisches modul mit einem halbleitergehäuse, das mit einem fluidkühlkörper verbunden ist |
| JP7817181B2 (ja) * | 2020-03-31 | 2026-02-18 | アイピージー フォトニクス コーポレーション | 高出力レーザエレクトロニクス |
| CN112750600B (zh) * | 2020-12-29 | 2022-05-17 | 华进半导体封装先导技术研发中心有限公司 | 一种基于微流道的可调式电感及其制造方法 |
| WO2023059519A2 (en) * | 2021-10-04 | 2023-04-13 | Formfactor, Inc. | Thermal management techniques for high power integrated circuits operating in dry cryogenic environments |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7557434B2 (en) * | 2006-08-29 | 2009-07-07 | Denso Corporation | Power electronic package having two substrates with multiple electronic components |
| DE102007002807B4 (de) * | 2007-01-18 | 2014-08-14 | Infineon Technologies Ag | Chipanordnung |
| DE102008001220A1 (de) * | 2007-04-24 | 2008-10-30 | Ceramtec Ag | Bauteil mit einem Keramikkörper, dessen Oberfläche metallisiert ist |
| US8431445B2 (en) * | 2011-06-01 | 2013-04-30 | Toyota Motor Engineering & Manufacturing North America, Inc. | Multi-component power structures and methods for forming the same |
| DE102011083223B4 (de) * | 2011-09-22 | 2019-08-22 | Infineon Technologies Ag | Leistungshalbleitermodul mit integrierter Dickschichtleiterplatte |
| DE102012106244B4 (de) * | 2012-07-11 | 2020-02-20 | Rogers Germany Gmbh | Metall-Keramik-Substrat |
| JP6154383B2 (ja) * | 2012-08-23 | 2017-07-05 | 日産自動車株式会社 | 絶縁基板、多層セラミック絶縁基板、パワー半導体装置と絶縁基板の接合構造体、及びパワー半導体モジュール |
| JP6217756B2 (ja) * | 2013-10-29 | 2017-10-25 | 富士電機株式会社 | 半導体モジュール |
| US20160014878A1 (en) * | 2014-04-25 | 2016-01-14 | Rogers Corporation | Thermal management circuit materials, method of manufacture thereof, and articles formed therefrom |
| US9941234B2 (en) * | 2015-05-28 | 2018-04-10 | Ut-Battelle, Llc | Integrated packaging of multiple double sided cooling planar bond power modules |
-
2018
- 2018-03-28 KR KR1020197028288A patent/KR20190137086A/ko not_active Ceased
- 2018-03-28 CN CN201880021126.3A patent/CN110431662A/zh active Pending
- 2018-03-28 EP EP18715007.3A patent/EP3607581A1/de not_active Withdrawn
- 2018-03-28 JP JP2019547464A patent/JP2020516054A/ja active Pending
- 2018-03-28 WO PCT/EP2018/057953 patent/WO2018184948A1/de not_active Ceased
- 2018-03-28 US US16/603,083 patent/US20200075455A1/en not_active Abandoned
- 2018-04-03 TW TW107111909A patent/TW201838114A/zh unknown
Also Published As
| Publication number | Publication date |
|---|---|
| KR20190137086A (ko) | 2019-12-10 |
| US20200075455A1 (en) | 2020-03-05 |
| WO2018184948A1 (de) | 2018-10-11 |
| TW201838114A (zh) | 2018-10-16 |
| JP2020516054A (ja) | 2020-05-28 |
| CN110431662A (zh) | 2019-11-08 |
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