EP2142489A1 - Bauteil mit einem keramischen körper mit metallisierter oberfläche - Google Patents
Bauteil mit einem keramischen körper mit metallisierter oberflächeInfo
- Publication number
- EP2142489A1 EP2142489A1 EP08736299A EP08736299A EP2142489A1 EP 2142489 A1 EP2142489 A1 EP 2142489A1 EP 08736299 A EP08736299 A EP 08736299A EP 08736299 A EP08736299 A EP 08736299A EP 2142489 A1 EP2142489 A1 EP 2142489A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- metallization
- component according
- ceramic body
- component
- ceramic
- 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
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- C04B37/00—Joining burned ceramic articles with other burned ceramic articles or other articles by heating
- C04B37/02—Joining burned ceramic articles with other burned ceramic articles or other articles by heating with metallic articles
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- C04B37/00—Joining burned ceramic articles with other burned ceramic articles or other articles by heating
- C04B37/02—Joining burned ceramic articles with other burned ceramic articles or other articles by heating with metallic articles
- C04B37/023—Joining burned ceramic articles with other burned ceramic articles or other articles by heating with metallic articles characterised by the interlayer used
- C04B37/026—Joining burned ceramic articles with other burned ceramic articles or other articles by heating with metallic articles characterised by the interlayer used consisting of metals or metal salts
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- C04B37/02—Joining burned ceramic articles with other burned ceramic articles or other articles by heating with metallic articles
- C04B37/021—Joining burned ceramic articles with other burned ceramic articles or other articles by heating with metallic articles in a direct manner, e.g. direct copper bonding [DCB]
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Definitions
- the invention relates to a component with a body made of ceramic, which is covered in at least one area on its surface with a metallization.
- a plate-shaped metallized ceramic substrate which consists of a ceramic layer which on at least one surface side of at least one metallization in the form of a DCB technique (Direct Copper Bonding) applied film or layer Copper or a copper alloy.
- DCB technique Direct Copper Bonding
- the object of the invention is to present a component with a metallized on its surface ceramic body with a good heat dissipation.
- the component according to the invention is spatially structured.
- the ceramic body is a three-dimensional structure. So can connect to a body, for example, plate-shaped, more body in any form.
- the overall body is in one piece, that is, it is not composed of individual parts. For example, there are more plates on a plate vertical, this results in a total body that is E-shaped.
- Such a form for example, heatsinks.
- the body of the component consists of a ceramic material, which can be matched in its composition to the required properties, such as insulation, partial discharge resistance and thermal stability.
- the ceramic material contains as main component 50.1% by weight to 100% by weight ZrO 2 / HfO 2 or 50.1% by weight to 100% by weight Al 2 O 3 or 50.1% by weight to 100
- the main components and the minor components with deduction of a content of impurities of ⁇ 3% by weight, can be combined in any combination with one another to give a total composition of 100% by weight.
- the flexural strength of the ceramic body greater than 100 MPa and the thermal conductivity of the material is greater than 1 W / mK.
- Metal layers intimately or by mechanical positive connection over the entire surface or part of the area connected, which have the same or different thermal conductivity as the carrier body.
- the metallization can for example
- Tungsten silver, gold, copper, platinum, palladium, nickel, aluminum or steel in pure or technical grade or consist of mixtures of at least two different metals.
- the metallization can also, for example, additionally or alone, from reaction solders, soft solders or brazing alloys.
- the metals or metal layers of the metallization can also be mixed, for example, with adhesion-promoting or other additives such as glasses or polymeric materials in order to increase the adhesion of the metallization on the ceramic body.
- the layer or layers of the metallization are using a DCB method (Direct Copper Bonding) or AMB method (Active Metal Brazing) or screen printing method or electrolytic method or chemical deposition or a vapor deposition method or by adhesion or bonding or a combination of these methods on the surface of the body has been applied to opposite and / or adjacent surfaces.
- DCB method Direct Copper Bonding
- AMB method Active Metal Brazing
- screen printing method or electrolytic method or chemical deposition or a vapor deposition method or by adhesion or bonding or a combination of these methods on the surface of the body has been applied to opposite and / or adjacent surfaces.
- the metallization on the ceramic body consists of at least one layer per metallized surface.
- the metallization covers the surface of the ceramic body as a metal body over part of the surface or over its entire surface or partially or completely in plane-parallel or nearly plane-parallel form or arbitrarily geometrically formed or in combination of the forms.
- the thickness of the at least one layer of the metallization is ⁇ 2 mm, its adhesive strength greater than 20 N / cm. A self-detachment of the layers due to the thermal stress is thus excluded.
- the ceramic body is covered on at least two of its surfaces with a metallization.
- the metallization has a minimum thermal conductivity of 100 W / mK. At high thermal stress by components or circuits so that a good heat dissipation is guaranteed.
- the flexural strength is greater than 550 MPa. Under thermal stress, chipping of the metallization and destruction of the ceramic body by tensile and compressive forces of the metallization is excluded.
- the ceramic body of the component is formed as a heat sink.
- a heatsink is understood to mean a body which carries electrical or electronic components or circuits and which is shaped in such a way that it can dissipate the heat generated in the components or circuits in such a way that no accumulation of heat occurs, which can damage the components or circuits.
- the carrier body is a body made of a material that is electrically non-conductive or almost non-conductive and has good thermal conductivity. The ideal material for such a body is ceramic.
- the body is integral and has heat dissipating or feeding elements to
- Carrier body a board and the elements are holes, channels, ribs and / or recesses, which can be acted upon by a heating or cooling medium are.
- the medium can be liquid or gaseous.
- the carrier body and / or the cooling element preferably consist of at least one ceramic component or a composite of different ceramic materials.
- FIG. 1 shows a component 1, which has a ceramic body 2, which according to the invention is not plate-shaped. Not plate-shaped means that the top 3 and the bottom 4 of the ceramic body 2 are formed so that they each have a different surface area.
- the body is spatially structured.
- the upper side 3 of the component 1 has a flat surface in the present exemplary embodiment.
- the top 3 is a circuit carrier.
- On at least one metallization 5 on the upper side 3 of the ceramic body 2, at least one further metallization 6 is applied, which in the present case covers the surface of the first metallization 5 over part of the area.
- the ceramic body 2 is E-shaped.
- the body is a heatsink.
- the underside 4 of the ceramic body 2 has cooling ribs 7.
- the cooling fins 7 are provided with metallized areas 5, where, for example, electronic components can be soldered.
- a chip 8 is fixed on a metallized region 5 by means of a solder connection 9. Via lines 10 it is connected to a metallized region 5.
- This chip 8 represents a heat source whose heat is dissipated via the cooling fins 7.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
- Ceramic Products (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102007019633 | 2007-04-24 | ||
PCT/EP2008/054626 WO2008128945A1 (de) | 2007-04-24 | 2008-04-17 | Bauteil mit einem keramischen körper mit metallisierter oberfläche |
Publications (1)
Publication Number | Publication Date |
---|---|
EP2142489A1 true EP2142489A1 (de) | 2010-01-13 |
Family
ID=39590169
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08736299A Ceased EP2142489A1 (de) | 2007-04-24 | 2008-04-17 | Bauteil mit einem keramischen körper mit metallisierter oberfläche |
Country Status (7)
Country | Link |
---|---|
US (1) | US8980398B2 (ko) |
EP (1) | EP2142489A1 (ko) |
JP (1) | JP5649958B2 (ko) |
KR (1) | KR101519925B1 (ko) |
CN (1) | CN101687718A (ko) |
DE (1) | DE102008001221A1 (ko) |
WO (1) | WO2008128945A1 (ko) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE60106556T2 (de) | 2000-05-09 | 2005-08-18 | Asahi Kasei Kabushiki Kaisha | Blockcopolymer und zusammensetzung die dieses enthält |
DE102008063325A1 (de) * | 2008-12-30 | 2010-07-01 | Osram Opto Semiconductors Gmbh | Verfahren zur Fertigung von Leuchtmitteln |
DE102009025033A1 (de) | 2009-06-10 | 2010-12-16 | Behr Gmbh & Co. Kg | Thermoelektrische Vorrichtung und Verfahren zum Herstellen einer thermoelektrischen Vorrichtung |
TWI525287B (zh) * | 2009-10-27 | 2016-03-11 | 製陶技術股份有限公司 | 由具有led的可變規模的陶瓷二極體載體構成的陣列 |
CN103547850A (zh) * | 2011-03-29 | 2014-01-29 | 陶瓷技术有限责任公司 | 具有陶瓷冷却器和led的浇注灯体 |
DE102018221160A1 (de) * | 2018-12-06 | 2020-06-10 | Siemens Aktiengesellschaft | Isolierkeramik für elektrische Schaltungen und zugehörige Anwendungen |
SE543338C2 (en) * | 2019-04-04 | 2020-12-08 | Swep Int Ab | Stencil device and method for stencil printing of brazing material onto a heat exchanger plate and use thereof |
CN110563484A (zh) * | 2019-08-26 | 2019-12-13 | 泰州市光明电子材料有限公司 | 一种陶瓷表面金属化工艺 |
DE102019124593A1 (de) * | 2019-09-12 | 2021-03-18 | Tdk Electronics Ag | Kühlsystem |
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US2326534A (en) * | 1940-12-28 | 1943-08-10 | Murray Corp | Bath tub |
JPS61248302A (ja) * | 1985-04-25 | 1986-11-05 | 株式会社日立製作所 | 炭化ケイ素焼結体用メタライズペ−スト |
JPS62113783A (ja) * | 1985-11-13 | 1987-05-25 | 日本セメント株式会社 | 窒化けい素焼結体のメタライズ方法 |
JPS6370545A (ja) * | 1986-09-12 | 1988-03-30 | Hitachi Ltd | 半導体パツケ−ジ |
EP0264122B1 (en) * | 1986-10-17 | 1992-03-18 | Hitachi, Ltd. | Method of producing a composite structure for a semiconductor device |
JPS63131194U (ko) * | 1987-02-19 | 1988-08-26 | ||
DE3709200A1 (de) * | 1987-03-20 | 1988-09-29 | Heraeus Gmbh W C | Elektronisches bauteil |
JPH01111360A (ja) * | 1987-10-26 | 1989-04-28 | Fujitsu Ltd | 半導体装置 |
JP2662738B2 (ja) * | 1988-11-11 | 1997-10-15 | 株式会社トーキン | セラミックス放熱フィン付半導体装置 |
JPH0336754A (ja) * | 1989-07-03 | 1991-02-18 | Mitsubishi Electric Corp | Icパツケージ及びその製造方法 |
JPH0382060A (ja) * | 1989-08-24 | 1991-04-08 | Nec Corp | 半導体装置 |
JPH0437662A (ja) * | 1990-06-01 | 1992-02-07 | Murata Mfg Co Ltd | セラミック基板と金属板の接合構造 |
DE69232912T2 (de) * | 1991-11-28 | 2003-12-24 | Toshiba Kawasaki Kk | Halbleitergehäuse |
JP3208438B2 (ja) * | 1992-01-16 | 2001-09-10 | イビデン株式会社 | 金属層を備えたセラミックス基板とその製造方法 |
JPH10284808A (ja) * | 1997-04-08 | 1998-10-23 | Denki Kagaku Kogyo Kk | 回路基板 |
JP3339572B2 (ja) * | 1999-10-04 | 2002-10-28 | 日本電気株式会社 | 半導体装置及びその製造方法 |
DE102004012231B4 (de) | 2004-03-09 | 2006-03-23 | Curamik Electronics Gmbh | Metall-Keramik-Substrat |
CN1707886A (zh) * | 2004-06-11 | 2005-12-14 | 中国科学院半导体研究所 | 一种氮化铝交叠式单片集成微通道热沉 |
DE102004033227A1 (de) | 2004-07-08 | 2006-01-26 | Curamik Electronics Gmbh | Metall-Keramik-Substrat |
TWI449137B (zh) * | 2006-03-23 | 2014-08-11 | Ceramtec Ag | 構件或電路用的攜帶體 |
US20070236883A1 (en) * | 2006-04-05 | 2007-10-11 | Javier Ruiz | Electronics assembly having heat sink substrate disposed in cooling vessel |
-
2008
- 2008-04-17 KR KR1020097024487A patent/KR101519925B1/ko not_active IP Right Cessation
- 2008-04-17 CN CN200880021678A patent/CN101687718A/zh active Pending
- 2008-04-17 DE DE102008001221A patent/DE102008001221A1/de not_active Withdrawn
- 2008-04-17 WO PCT/EP2008/054626 patent/WO2008128945A1/de active Application Filing
- 2008-04-17 EP EP08736299A patent/EP2142489A1/de not_active Ceased
- 2008-04-17 US US12/596,864 patent/US8980398B2/en not_active Expired - Fee Related
- 2008-04-17 JP JP2010504631A patent/JP5649958B2/ja not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
See references of WO2008128945A1 * |
Also Published As
Publication number | Publication date |
---|---|
KR101519925B1 (ko) | 2015-05-14 |
KR20100017331A (ko) | 2010-02-16 |
JP5649958B2 (ja) | 2015-01-07 |
CN101687718A (zh) | 2010-03-31 |
JP2010524830A (ja) | 2010-07-22 |
DE102008001221A1 (de) | 2008-10-30 |
US20100089625A1 (en) | 2010-04-15 |
WO2008128945A1 (de) | 2008-10-30 |
US8980398B2 (en) | 2015-03-17 |
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