EP3685639A1 - Verfahren zur herstellung einer endoberfläche und leiterplatte - Google Patents
Verfahren zur herstellung einer endoberfläche und leiterplatteInfo
- Publication number
- EP3685639A1 EP3685639A1 EP18778802.1A EP18778802A EP3685639A1 EP 3685639 A1 EP3685639 A1 EP 3685639A1 EP 18778802 A EP18778802 A EP 18778802A EP 3685639 A1 EP3685639 A1 EP 3685639A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- circuit board
- copper
- metallic
- end surface
- electrically conductive
- 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- Withdrawn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
- 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
- H05K3/22—Secondary treatment of printed circuits
- H05K3/24—Reinforcing the conductive pattern
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C24/00—Coating starting from inorganic powder
- C23C24/08—Coating starting from inorganic powder by application of heat or pressure and heat
- C23C24/10—Coating starting from inorganic powder by application of heat or pressure and heat with intermediate formation of a liquid phase in the layer
- C23C24/103—Coating with metallic material, i.e. metals or metal alloys, optionally comprising hard particles, e.g. oxides, carbides or nitrides
- C23C24/106—Coating with metal alloys or metal elements only
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/04—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
- C23C4/06—Metallic material
- C23C4/08—Metallic material containing only metal elements
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/12—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying
- C23C4/134—Plasma spraying
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/18—After-treatment
-
- 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
- H05K3/10—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern
- H05K3/14—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern using spraying techniques to apply the conductive material, e.g. vapour evaporation
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H1/00—Generating plasma; Handling plasma
- H05H1/24—Generating plasma
- H05H1/26—Plasma torches
- H05H1/32—Plasma torches using an arc
- H05H1/42—Plasma torches using an arc with provisions for introducing materials into the plasma, e.g. powder, liquid
-
- 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
- H05K2201/0338—Layered conductor, e.g. layered metal substrate, layered finish layer, layered thin film adhesion layer
-
- 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
- H05K2201/0364—Conductor shape
- H05K2201/0373—Conductors having a fine structure, e.g. providing a plurality of contact points with a structured tool
-
- 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
- H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
- H05K2203/03—Metal processing
- H05K2203/0392—Pretreatment of metal, e.g. before finish plating, etching
-
- 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
- H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
- H05K2203/09—Treatments involving charged particles
- H05K2203/095—Plasma, e.g. for treating a substrate to improve adhesion with a conductor or for cleaning holes
-
- 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
- H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
- H05K2203/13—Moulding and encapsulation; Deposition techniques; Protective layers
- H05K2203/1333—Deposition techniques, e.g. coating
- H05K2203/1344—Spraying small metal particles or droplets of molten metal
-
- 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
- H05K3/22—Secondary treatment of printed circuits
- H05K3/24—Reinforcing the conductive pattern
- H05K3/245—Reinforcing conductive patterns made by printing techniques or by other techniques for applying conductive pastes, inks or powders; Reinforcing other conductive patterns by such techniques
- H05K3/247—Finish coating of conductors by using conductive pastes, inks or powders
Definitions
- the invention relates to a method for producing an end surface on at least one exposed metallic surface of a printed circuit board and to a printed circuit board having an end surface which can be produced by the method.
- a “circuit board” is a rigid or flexible support for electronic components. It serves the mechanical
- the carrier comprises electrically insulating material with electrically conductive surfaces adhering thereto, such as, in particular, solderable connection surfaces, contact surfaces and conductor tracks.
- electrically conductive surfaces adhering thereto such as, in particular, solderable connection surfaces, contact surfaces and conductor tracks.
- insulating material fiber-reinforced plastic or polyimide is common in flexible printed circuit boards.
- electrically conductive surfaces are usually made of a thin layer of copper, usually 35 ym, etched.
- Wired components are conventionally soldered in pads.
- Surface-mounted components English: Surface
- SMD Mounted Devices, SMD for short) are soldered directly onto solderable pads. SMD components increase the packing density and allow two-sided assembly.
- Circuit board depending on the material, more or less tend to react with the surrounding atmospheric oxygen
- Oxidation is applied to an end surface.
- the copper is coated by a layer of tin-lead, which also the conventional
- Solder corresponds.
- HAL is the most widely used method of producing an end surface because of its low cost performance, but has a disadvantage of unequal distribution of the tin-lead coating on the surface relatively large bumps and can lead to short circuits in very fine structures.
- Chemical tin is the very flat surface and avoidance of problematic substances like lead in the
- Tin surface whisker can form.
- OSP English Organic Solderability
- Preservative is a surface treatment based on organic substances such as benzotriazole, imidazole or benzimidazole, which form a 100 nm thick organometallic coordinate bond with the uppermost layer of copper, thereby protecting the copper from oxidation.
- organic substances such as benzotriazole, imidazole or benzimidazole, which form a 100 nm thick organometallic coordinate bond with the uppermost layer of copper, thereby protecting the copper from oxidation.
- Immersion gold is first an approximately 3 ym to 6 ym layer of chemical nickel on the copper surface
- the nickel layer provides a barrier to gold to the copper layer, otherwise the gold would diffuse into the copper.
- An approximately 50 nm to 100 nm thick layer of chemical gold is applied to the nickel layer, whereby the uppermost nickel layer is chemically exchanged by gold.
- the advantage of this method is the comparatively long shelf life in addition to the flat surface.
- the disadvantage is the comparatively high process complexity and the associated costs.
- the invention is based on the object, a method for producing an end surface on at least one
- the inventive method comprises two coating steps, namely
- Surface protection layer are preferably inorganic-organic hybrid polymers with
- the electrically conductive adhesion promoter applied to the at least one exposed metallic surface.
- The preferably as an adhesive or paste
- the present adhesion promoter compensates for the unevenness of the metallic surfaces caused by the oxidation.
- the paste and the adhesive include metal particles and an organic or
- inorganic binder various additives, and depending on the Aushärtungsmechanismusggf. additionally a solvent or a crosslinking agent.
- the electrical conductivity is ensured by contact points of the metal particles with each other and the appropriate embedding of the metal particles in the binder of the detention.
- the order is preferably carried out in a printing process or by dispenser.
- Coating on a substrate is known from EP 1 230 414 Bl known in itself.
- a plasma jet of a substrate By passing a working gas through an excitation zone, a plasma jet of a substrate
- the gas plasma is generated by a gas discharge. In the plasma jet is separated from the
- the plasma coating process allows deposition of the metallic coating materials from the cold-active atmospheric pressure plasma directly onto the surface of the cured primer.
- Plasma coating processes can be used to automatically generate homogeneous metallic surface protective layers with reproducible layer thicknesses.
- the plasma coating process is therefore particularly suitable for the inexpensive and mass production of end surfaces on printed circuit boards.
- Suitable adhesion promoters are electrically conductive pastes based on silver, carbon or tin-antimony: ⁇
- An electrically conductive silver-based paste is characterized by very high conductivity and good adhesion to the exposed metallic surfaces.
- Hardening of the bonding agent takes place at 50 ° C to 175 ° C depending on the printed circuit board material.
- Electrically conductive paste based on carbon is characterized by a very good adhesion and a high Abrasion resistance. The curing of the bonding agent takes place at 50 ° C to 175 ° C depending on
- Electrically conductive paste based on tin-antimony is characterized by a good mechanical resistance and low required layer thicknesses.
- Hardening remains a high flexibility and flexibility, so that this adhesive is particularly suitable for flexible circuit boards.
- Adhesion promoters also come into consideration as electrically conductive adhesives, also referred to as conductive adhesives.
- Conductive adhesives are filled with metal (about 60-80 wt%
- Epoxy resin base which are cured in a temperature range between 120 ° C and 180 ° C.
- Conductivity is based on the fact that conductive paths are formed by the statistical distribution of the metallic constituents in the organic matrix.
- the conductive adhesives are insensitive to temperature changes.
- the conductive adhesive can be printed by printing, dispensing and direct
- a conductive adhesive particularly preferred because of its good electrical conductivity is a silver conductive adhesive with silver particles embedded in the organic matrix.
- atmospheric plasma coating process particles Copper are applied to the cured layer of the primer layer.
- the oxidation of the surface protective layer can be further reduced by applying copper coated particles coated with a protective layer by the atmospheric plasma coating method.
- the protective layer also causes the copper particles do not stick in the plasma jet yet. At the same time, wettability with the solder can be further improved with the coating.
- the protective layer consists in particular of an inorganic-organic hybrid polymer
- Such inorganic-organic hybrid polymers are also known under the brand name ORMOCER® the Fraunhofer Society for the Promotion of Applied Research e.V. Kunststoff.
- the protective layer consists of an acylate.
- the end surface is preferably made selectively only on individual ones of the exposed metal surfaces, and more specifically only on the pads of the
- the insulating regions of the printed circuit board and possibly existing contact surfaces are preferably coated with an adhesion-resistant material prior to the production of the end surface in order to avoid adhesion of the adhesion promoter and / or the metallic coating material.
- the adhesion-repellent material is for example a
- solder mask it protects the metallic areas of the conductor track not provided with the end surface, in particular the conductor tracks, from oxidation at the same time.
- the trace structure including the exposed
- Pads is preferably made of aluminum or copper.
- the interconnect structure including the
- pads can also consist of a Silberleit laminate, graphite or steel. Also electrically conductive organic and / or transparent materials are as
- Flex circuit boards, z. Based on polyimide films, PET films or composite films e.g. Aluminum / PET used.
- the circuit boards thus constructed are indeed more expensive, but can save space by folding in tightest structures z. B. in cameras, video cameras or smartphones
- the end surface can with the
- Printed circuit board can be produced.
- Figure 1 is a schematic representation of a
- FIGS. 2A-E a schematic representation of the method for producing an end surface on a printed circuit board
- Figure 3 is a schematic representation of the preparation of a solder joint between an SMD component and a circuit board of Figure 2 and
- Figure 4 is a schematic representation of a
- FIG. 1 shows schematically a printed circuit board (1) with a printed conductor structure comprising connecting surfaces (2) to which contact surfaces (13) of SMD components (12) are soldered.
- End surface (10) produced.
- the end surface (10) comprises two layers, namely a layer comprising an electrically conductive adhesion promoter (4) and a
- the production takes place in the following process steps:
- Figure 2A shows the coating of the surface of
- solder mask (3) serves as an adhesion-resistant material, so that the solder mask (3)
- the solder resist (3) can be applied by screen printing, by roller application or spraying on the remaining surface of the circuit board (1).
- FIG. 2B shows the coating of the connection surfaces (2) with the electrically conductive adhesion promoter (4) by means of a printing process (not shown).
- the bonding agent in the illustrated embodiment is a 70-80 conductive silver adhesive
- the curing of the electrically conductive silver adhesive is carried out with targeted supply of heat in a temperature range between 150 and 180 ° C.
- Atmospheric plasma coating process becomes relatively movable to the surface of the printed circuit board (1)
- the coating material is copper in the illustrated embodiment.
- the plasma coating apparatus (6) shown in Fig. 4 serves to generate an atmospheric plasma in an atmospheric plasma head (16). In the plasma head (16) by passing a working gas through an excitation zone, not shown, a plasma jet under
- the metallic coating material is introduced into the plasma jet via a separate feed (17)
- solder paste (11) is a paste-like mixture of solder metal powder and flux and serves to solder the SMD component (12) by means of reflow soldering.
- the printed circuit board (1) is equipped with the SMD component (12).
- the contact surfaces (13) of the SMD component (12) are placed on the terminal surfaces (2) provided with the end surface (10) and the solder paste (11). Now the assembled printed circuit board (1) is sufficiently heated so that the solder contained in the solder paste melts.
- the elevated temperature activates the flux in the solder paste.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Electric Connection Of Electric Components To Printed Circuits (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102017122059.3A DE102017122059A1 (de) | 2017-09-22 | 2017-09-22 | Verfahren zur Herstellung einer Endoberfläche und Leiterplatte |
PCT/EP2018/073117 WO2019057450A1 (de) | 2017-09-22 | 2018-08-28 | Verfahren zur herstellung einer endoberfläche und leiterplatte |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3685639A1 true EP3685639A1 (de) | 2020-07-29 |
Family
ID=63685919
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18778802.1A Withdrawn EP3685639A1 (de) | 2017-09-22 | 2018-08-28 | Verfahren zur herstellung einer endoberfläche und leiterplatte |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP3685639A1 (de) |
DE (1) | DE102017122059A1 (de) |
WO (1) | WO2019057450A1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111424256A (zh) * | 2020-04-30 | 2020-07-17 | 江苏菲沃泰纳米科技有限公司 | 镀膜方法及其防护层 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE59602394D1 (de) * | 1995-03-17 | 1999-08-12 | Hoechst Ag | Thermisches auftragsverfahren für dünne keramische schichten und vorrichtung zum auftragen |
US5964395A (en) * | 1997-06-09 | 1999-10-12 | Ford Motor Company | Predeposited transient phase electronic interconnect media |
DE29919142U1 (de) | 1999-10-30 | 2001-03-08 | Agrodyn Hochspannungstechnik G | Plasmadüse |
DE10153482A1 (de) * | 2001-10-30 | 2003-05-22 | Leoni Ag | Verfahren zum Behandeln eines elektrischen Leiters |
AU2014202320B2 (en) * | 2008-08-18 | 2015-09-17 | Semblant Limited | Halo-hydrocarbon polymer coating |
DE102009048397A1 (de) * | 2009-10-06 | 2011-04-07 | Plasmatreat Gmbh | Atmosphärendruckplasmaverfahren zur Herstellung oberflächenmodifizierter Partikel und von Beschichtungen |
WO2012123530A1 (de) * | 2011-03-16 | 2012-09-20 | Reinhausen Plasma Gmbh | Beschichtung sowie verfahren und vorrichtung zum beschichten |
DE102013103805A1 (de) * | 2013-04-16 | 2014-10-16 | Billion SAS | Bauteil mit strukturierter Oberfläche und Verfahren zu dessen Herstellung |
DE102015214628A1 (de) * | 2015-07-31 | 2017-02-02 | BSH Hausgeräte GmbH | Heizeinrichtung für ein Haushaltsgerät |
-
2017
- 2017-09-22 DE DE102017122059.3A patent/DE102017122059A1/de active Pending
-
2018
- 2018-08-28 EP EP18778802.1A patent/EP3685639A1/de not_active Withdrawn
- 2018-08-28 WO PCT/EP2018/073117 patent/WO2019057450A1/de unknown
Also Published As
Publication number | Publication date |
---|---|
WO2019057450A1 (de) | 2019-03-28 |
DE102017122059A1 (de) | 2019-03-28 |
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Legal Events
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