EP2155628A2 - Component having a metalized ceramic base - Google Patents
Component having a metalized ceramic baseInfo
- Publication number
- EP2155628A2 EP2155628A2 EP08736302A EP08736302A EP2155628A2 EP 2155628 A2 EP2155628 A2 EP 2155628A2 EP 08736302 A EP08736302 A EP 08736302A EP 08736302 A EP08736302 A EP 08736302A EP 2155628 A2 EP2155628 A2 EP 2155628A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- layer
- weight
- copper
- ceramic body
- metallization
- 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
Classifications
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B37/00—Joining burned ceramic articles with other burned ceramic articles or other articles by heating
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B37/00—Joining burned ceramic articles with other burned ceramic articles or other articles by heating
- C04B37/003—Joining burned ceramic articles with other burned ceramic articles or other articles by heating by means of an interlayer consisting of a combination of materials selected from glass, or ceramic material with metals, metal oxides or metal salts
- C04B37/005—Joining burned ceramic articles with other burned ceramic articles or other articles by heating by means of an interlayer consisting of a combination of materials selected from glass, or ceramic material with metals, metal oxides or metal salts consisting of glass or ceramic material
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B37/00—Joining burned ceramic articles with other burned ceramic articles or other articles by heating
- C04B37/003—Joining burned ceramic articles with other burned ceramic articles or other articles by heating by means of an interlayer consisting of a combination of materials selected from glass, or ceramic material with metals, metal oxides or metal salts
- C04B37/006—Joining burned ceramic articles with other burned ceramic articles or other articles by heating by means of an interlayer consisting of a combination of materials selected from glass, or ceramic material with metals, metal oxides or metal salts consisting of metals or metal salts
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- 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
- C04B37/025—Joining burned ceramic articles with other burned ceramic articles or other articles by heating with metallic articles characterised by the interlayer used consisting of glass or ceramic material
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- 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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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/80—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
- C04B41/81—Coating or impregnation
- C04B41/85—Coating or impregnation with inorganic materials
- C04B41/88—Metals
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/80—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
- C04B41/81—Coating or impregnation
- C04B41/89—Coating or impregnation for obtaining at least two superposed coatings having different compositions
- C04B41/90—Coating or impregnation for obtaining at least two superposed coatings having different compositions at least one coating being a metal
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/34—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements
- H01L23/36—Selection of materials, or shaping, to facilitate cooling or heating, e.g. heatsinks
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- H—ELECTRICITY
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- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/34—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements
- H01L23/36—Selection of materials, or shaping, to facilitate cooling or heating, e.g. heatsinks
- H01L23/373—Cooling facilitated by selection of materials for the device or materials for thermal expansion adaptation, e.g. carbon
- H01L23/3731—Ceramic materials or glass
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- H—ELECTRICITY
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- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/34—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements
- H01L23/36—Selection of materials, or shaping, to facilitate cooling or heating, e.g. heatsinks
- H01L23/373—Cooling facilitated by selection of materials for the device or materials for thermal expansion adaptation, e.g. carbon
- H01L23/3735—Laminates or multilayers, e.g. direct bond copper ceramic substrates
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- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/34—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements
- H01L23/46—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements involving the transfer of heat by flowing fluids
- H01L23/473—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements involving the transfer of heat by flowing fluids by flowing liquids
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/38—Improvement of the adhesion between the insulating substrate and the metal
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- C—CHEMISTRY; METALLURGY
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- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2237/00—Aspects relating to ceramic laminates or to joining of ceramic articles with other articles by heating
- C04B2237/02—Aspects relating to interlayers, e.g. used to join ceramic articles with other articles by heating
- C04B2237/04—Ceramic interlayers
- C04B2237/06—Oxidic interlayers
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- C—CHEMISTRY; METALLURGY
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- C04B2237/00—Aspects relating to ceramic laminates or to joining of ceramic articles with other articles by heating
- C04B2237/02—Aspects relating to interlayers, e.g. used to join ceramic articles with other articles by heating
- C04B2237/04—Ceramic interlayers
- C04B2237/06—Oxidic interlayers
- C04B2237/064—Oxidic interlayers based on alumina or aluminates
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- C—CHEMISTRY; METALLURGY
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- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2237/00—Aspects relating to ceramic laminates or to joining of ceramic articles with other articles by heating
- C04B2237/02—Aspects relating to interlayers, e.g. used to join ceramic articles with other articles by heating
- C04B2237/12—Metallic interlayers
- C04B2237/121—Metallic interlayers based on aluminium
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- C—CHEMISTRY; METALLURGY
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- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2237/00—Aspects relating to ceramic laminates or to joining of ceramic articles with other articles by heating
- C04B2237/02—Aspects relating to interlayers, e.g. used to join ceramic articles with other articles by heating
- C04B2237/12—Metallic interlayers
- C04B2237/123—Metallic interlayers based on iron group metals, e.g. steel
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2237/00—Aspects relating to ceramic laminates or to joining of ceramic articles with other articles by heating
- C04B2237/02—Aspects relating to interlayers, e.g. used to join ceramic articles with other articles by heating
- C04B2237/12—Metallic interlayers
- C04B2237/124—Metallic interlayers based on copper
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2237/00—Aspects relating to ceramic laminates or to joining of ceramic articles with other articles by heating
- C04B2237/30—Composition of layers of ceramic laminates or of ceramic or metallic articles to be joined by heating, e.g. Si substrates
- C04B2237/32—Ceramic
- C04B2237/36—Non-oxidic
- C04B2237/366—Aluminium nitride
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer
- H01L21/48—Manufacture or treatment of parts, e.g. containers, prior to assembly of the devices, using processes not provided for in a single one of the subgroups H01L21/06 - H01L21/326
- H01L21/4814—Conductive parts
- H01L21/4871—Bases, plates or heatsinks
- H01L21/4882—Assembly of heatsink parts
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- 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
- H01L2924/0001—Technical content checked by a classifier
- H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/03—Use of materials for the substrate
- H05K1/0306—Inorganic insulating substrates, e.g. ceramic, glass
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/01—Dielectrics
- H05K2201/0137—Materials
- H05K2201/0175—Inorganic, non-metallic layer, e.g. resist or dielectric for printed capacitor
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/03—Conductive materials
- H05K2201/0332—Structure of the conductor
- H05K2201/0335—Layered conductors or foils
- H05K2201/0355—Metal foils
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24942—Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree
- Y10T428/2495—Thickness [relative or absolute]
Definitions
- the invention relates to a component with a ceramic body, which is covered at least at one point of its surface with a metallization and a method for producing such a component.
- DE 196 03 822 C2 describes a method for producing a ceramic substrate with at least one layer of aluminum nitride ceramic and the ceramic substrate produced by this method.
- an auxiliary or intermediate layer of aluminum oxide is produced, for which the metallization side surface provided with a layer of copper or copper oxide or other copper-containing compounds and then heat treated in an oxygen-containing atmosphere.
- the object of the invention is to provide a component with a ceramic body, which is covered at least at one point of its surface with a metallization and plate-shaped or spatially structured and a method for producing such a component in which the metallization adheres particularly well.
- the object is achieved with a component having the characterizing features of claim 1 and according to the method with the aid of the characterizing features of claim 19.
- Advantageous embodiments of the invention are presented in the dependent claims.
- the component according to the invention consists of a ceramic body, which is covered at least at one point of its surface with a metallization.
- the ceramic body is plate-shaped or spatially structured. It can for example have an E-shape. Such a form, for example, heatsinks.
- 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 for protecting the electronic components or circuits.
- the carrier body is a circuit board and the elements are bores, channels, ribs and / or recesses, which can be acted upon by a heating or cooling medium.
- 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.
- 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 Secondary 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 metallization can consist, for example, of tungsten, silver, gold, copper, platinum, palladium, nickel, aluminum or steel in pure or industrial quality or 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 material on the surface of the ceramic body is chemically and / or crystallographically and / or physically modified with or without the addition of suitable reactants over the entire surface or part of its area by chemical or physical processes.
- at least one dense or porous layer which has the same or unequal thickness of at least 0.001 nanometers and which consists of at least one homogeneous or heterogeneous new material, is formed on the ceramic body at the treated body or sites.
- the remaining base material of the ceramic body remains unchanged. With this new material, at least one metallization can be connected over part or all of its surface.
- the reactants are essentially metals such as copper or copper oxides by the DCB process (direct copper bonding) or calcium compounds or manganese oxide or oxygen.
- Active metal components in the AMB process are, for example, Zn, Sn, Ni, Pd, Ag, Cu, In, Zr, Ti, Ag, Yt, T, N.
- a new material is produced on the surface of metal oxide ceramics at least over the entire surface or part of the surface.
- a layer of intermetallic phases is formed, with the help of which Metallizations can be applied to ceramic body without bubbles, flaking and other defects, especially under thermal stress occur.
- the layer formed from the new material may comprise a mixed layer which consists at least of aluminum oxide or copper oxides of different or identical oxidation states or solid-chemical mixtures thereof.
- the formed layer can, depending on the metallization, a
- Intermediate layer comprising at least aluminum oxide or copper oxides of different or identical oxidation states or solid-chemical mixtures thereof.
- Combinations of at least one intermediate layer and at least one mixed layer are also possible.
- an intermediate layer of aluminum oxide the surface of a ceramic body made of aluminum nitride over the entire surface or part of a surface with a layer of copper or copper oxide or other copper-containing compounds or combinations thereof in a minimum thickness of 0.001 nanometers provided and then in an oxygen-containing atmosphere at a temperature between 700 0 C to 1380 0 C treated until the intermediate layer has formed with the desired thickness, which may be between 0.05 and 80 micrometers.
- the intermediate layer contains at least in one part over its thickness a proportion of 0.01 to 80 weight percent copper oxide.
- These intermediate layers, mixed layers or combinations of these layers enable a strong bond between the ceramic material and the metallization.
- the copper oxide melts from applied copper foils and forms a defect-free, particularly durable compound with the layer formed.
- composition of at least one layer or intermediate layer or mixed layer is a homogeneous or graded and at least one
- Ceramic body increase or the concentration of a mixed phase of
- Proportions of copper oxides of different or identical oxidation states with aluminum oxide decrease towards the aluminum oxide layer. This makes it possible to match the composition of the intermediate or mixed layer to the intended metallization.
- At least one further identical or unequal metallization can be applied over the whole area or over a partial area, for example for the production of solder joints with electronic components.
- a metal or copper layer can be fixed over the whole area or part of the area.
- metallization may be performed on at least one of the intermediate layers produced a metal foil by means of the AMB process, preferably made of copper, aluminum or steel, are fixed over the entire surface or part of the area.
- At least one identical or dissimilar DCB substrate and / or a DCB-based circuit or at least one identical or dissimilar AMB substrate and / or an AMB-based circuit or at least one substrate-based circuit or board or an active and / or a passive component and / or at least one sensory element can be connected to at least one metallization.
- FIG. 1 shows a component according to the invention, which has been metallized by the DCB method, with an electronic component
- Figure 2 shows an inventive component, which has been metallized by the AMB method, with an electronic component.
- the component 1 in Figure 1 has a ceramic body 2 made of aluminum nitride, which is spatially structured, it is E-shaped.
- the body 2 is a heat sink.
- the upper side 3 and the lower side 4 of the ceramic body 2 each have a different sized surface.
- the bottom 4 has cooling fins 5.
- the upper side 3 of the component 1 has a flat surface in the present exemplary embodiment.
- On the top 3 and on the leg of the outer fin 5 are metallized areas 6, where, for example, electronic components can be soldered.
- an intermediate layer 7 was initially formed at the points 6 of the ceramic body 2 which are metallised
- the metallization 8 is a copper foil with a copper oxide layer 9, which is connected via a layer 10 to the intermediate layer 7. In the layer 10 are proportions of copper oxide and alumina.
- the upper side 3 of the ceramic body 2 is a circuit carrier.
- an electronic component for example a chip 11 is fastened by means of a solder connection 12. Via lines 13 it is connected to a further metallized area 6.
- This chip 11 represents a heat source whose heat is dissipated via the cooling fins 7.
- the component 1 in Figure 2 has a ceramic body 2, which corresponds to that known from the figure 1. Matching features are therefore provided with the same reference numerals.
- the ceramic body can consist, for example, of aluminum oxide, aluminum nitride, silicon nitride, zirconium oxides or carbides. He is spatially structured, he is E-shaped. In the present embodiment, the body 2 is also a heat sink.
- the upper side 3 and the lower side 4 of the ceramic body 2 each have a different sized surface.
- the bottom 4 has cooling fins 5.
- the upper side 3 of the component 1 has a flat surface in the present exemplary embodiment.
- On the top 3 and on the leg of the outer fin 5 are metallized areas 6, where, for example, electronic components can be soldered.
- the metallization was carried out by means of the AMB method.
- a metallic filler material filled as solder which contains active metallic additives, which with the surface of the Ceramic body 2 can react directly.
- the alloys of the metallic filler contain as active metal components, for example, Zn, Sn, Ni, Pd, Ag, Cu, In, Zr, Ti, Ag, Yt, T, N. The remainder is formed by other alloying constituents. These alloys are preferably applied in the form of a paste on the surface of the ceramic body.
- the brazing is preferably carried out in a vacuum or in an inert gas atmosphere of helium or argon.
- the molten metallic filler material, the solder 16 has formed with the ceramic material of the ceramic body 2 a compound, a layer 17, in which the ceramic material has been changed.
- the metallization 15 is connected to the ceramic body 2.
- the upper side 3 of the ceramic body 2 is a circuit carrier.
- an electronic component for example a chip 11 is fastened by means of a solder connection 12. Via lines 13 it is connected to a further metallized area 6.
- This chip 11 represents a heat source whose heat is dissipated via the cooling fins 5.
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102007019632 | 2007-04-24 | ||
PCT/EP2008/054630 WO2008128948A2 (en) | 2007-04-24 | 2008-04-17 | Component having a metalized ceramic base |
Publications (1)
Publication Number | Publication Date |
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EP2155628A2 true EP2155628A2 (en) | 2010-02-24 |
Family
ID=39777665
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08736302A Ceased EP2155628A2 (en) | 2007-04-24 | 2008-04-17 | Component having a metalized ceramic base |
Country Status (7)
Country | Link |
---|---|
US (1) | US20100147571A1 (en) |
EP (1) | EP2155628A2 (en) |
JP (1) | JP5538212B2 (en) |
KR (1) | KR101476343B1 (en) |
CN (1) | CN101687717A (en) |
DE (1) | DE102008001226A1 (en) |
WO (1) | WO2008128948A2 (en) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102009025033A1 (en) | 2009-06-10 | 2010-12-16 | Behr Gmbh & Co. Kg | Thermoelectric device and method of manufacturing a thermoelectric device |
MX2015004009A (en) | 2012-09-28 | 2015-12-09 | Ellis Kline | Glycosidase regimen for treatment of infectious disease. |
JP6307832B2 (en) * | 2013-01-22 | 2018-04-11 | 三菱マテリアル株式会社 | Power module board, power module board with heat sink, power module with heat sink |
JP6111764B2 (en) * | 2013-03-18 | 2017-04-12 | 三菱マテリアル株式会社 | Power module substrate manufacturing method |
JP5672324B2 (en) | 2013-03-18 | 2015-02-18 | 三菱マテリアル株式会社 | Manufacturing method of joined body and manufacturing method of power module substrate |
JP5751357B1 (en) * | 2014-02-03 | 2015-07-22 | トヨタ自動車株式会社 | Joining structure of ceramic and metal parts |
DE102014107217A1 (en) * | 2014-05-19 | 2015-11-19 | Ceram Tec Gmbh | The power semiconductor module |
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- 2008-04-17 EP EP08736302A patent/EP2155628A2/en not_active Ceased
- 2008-04-17 DE DE102008001226A patent/DE102008001226A1/en not_active Withdrawn
- 2008-04-17 CN CN200880021667A patent/CN101687717A/en active Pending
- 2008-04-17 WO PCT/EP2008/054630 patent/WO2008128948A2/en active Application Filing
- 2008-04-17 JP JP2010504633A patent/JP5538212B2/en not_active Expired - Fee Related
- 2008-04-17 US US12/596,875 patent/US20100147571A1/en not_active Abandoned
- 2008-04-17 KR KR1020097024483A patent/KR101476343B1/en not_active IP Right Cessation
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Also Published As
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WO2008128948A3 (en) | 2009-05-14 |
WO2008128948A2 (en) | 2008-10-30 |
CN101687717A (en) | 2010-03-31 |
JP5538212B2 (en) | 2014-07-02 |
DE102008001226A1 (en) | 2008-10-30 |
KR20100017327A (en) | 2010-02-16 |
KR101476343B1 (en) | 2014-12-24 |
US20100147571A1 (en) | 2010-06-17 |
JP2010524831A (en) | 2010-07-22 |
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