WO2012084680A2 - Pièce composite, procédé de fabrication de cette pièce et application - Google Patents

Pièce composite, procédé de fabrication de cette pièce et application Download PDF

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Publication number
WO2012084680A2
WO2012084680A2 PCT/EP2011/072894 EP2011072894W WO2012084680A2 WO 2012084680 A2 WO2012084680 A2 WO 2012084680A2 EP 2011072894 W EP2011072894 W EP 2011072894W WO 2012084680 A2 WO2012084680 A2 WO 2012084680A2
Authority
WO
WIPO (PCT)
Prior art keywords
adhesive
metal foil
joining
joined
metal
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
Application number
PCT/EP2011/072894
Other languages
German (de)
English (en)
Other versions
WO2012084680A3 (fr
Inventor
Eberhard Ritzhaupt-Kleissl
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Siemens Corp
Original Assignee
Siemens AG
Siemens Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Siemens AG, Siemens Corp filed Critical Siemens AG
Publication of WO2012084680A2 publication Critical patent/WO2012084680A2/fr
Publication of WO2012084680A3 publication Critical patent/WO2012084680A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B11/00—Connecting constructional elements or machine parts by sticking or pressing them together, e.g. cold pressure welding
    • F16B11/006—Connecting constructional elements or machine parts by sticking or pressing them together, e.g. cold pressure welding by gluing
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J5/00—Adhesive processes in general; Adhesive processes not provided for elsewhere, e.g. relating to primers
    • C09J5/06—Adhesive processes in general; Adhesive processes not provided for elsewhere, e.g. relating to primers involving heating of the applied adhesive
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J7/00—Adhesives in the form of films or foils
    • C09J7/20—Adhesives in the form of films or foils characterised by their carriers
    • C09J7/28—Metal sheet
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
    • F16B5/0004—Joining sheets, plates or panels in abutting relationship
    • F16B5/0008—Joining sheets, plates or panels in abutting relationship by moving the sheets, plates or panels substantially in their own plane, perpendicular to the abutting edge
    • F16B5/0012—Joining sheets, plates or panels in abutting relationship by moving the sheets, plates or panels substantially in their own plane, perpendicular to the abutting edge a tongue on the edge of one sheet, plate or panel co-operating with a groove in the edge of another sheet, plate or panel
    • F16B5/0016—Joining sheets, plates or panels in abutting relationship by moving the sheets, plates or panels substantially in their own plane, perpendicular to the abutting edge a tongue on the edge of one sheet, plate or panel co-operating with a groove in the edge of another sheet, plate or panel with snap action
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2301/00—Additional features of adhesives in the form of films or foils
    • C09J2301/10—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet
    • C09J2301/18—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet characterized by perforations in the adhesive tape
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2301/00—Additional features of adhesives in the form of films or foils
    • C09J2301/20—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive itself
    • C09J2301/206—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive itself the adhesive layer comprising non-adhesive protrusions
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2301/00—Additional features of adhesives in the form of films or foils
    • C09J2301/30—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier
    • C09J2301/304—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier the adhesive being heat-activatable, i.e. not tacky at temperatures inferior to 30°C
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2301/00—Additional features of adhesives in the form of films or foils
    • C09J2301/30—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier
    • C09J2301/314—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier the adhesive layer and/or the carrier being conductive
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2400/00—Presence of inorganic and organic materials
    • C09J2400/10—Presence of inorganic materials
    • C09J2400/16—Metal
    • C09J2400/163—Metal in the substrate

Definitions

  • the invention relates to a composite workpiece, a manufacturing method thereof and an application, in particular one in which high current-carrying capacity, low thermal resistance and mechanical stability to vibrations are required.
  • the individual metallic coil parts are connected by means of a solder material, usually a brazing alloy.
  • soldering temperatures of up to 900 ° C are used to melt the brazing alloy. After soldering, a post-processing step is usually needed to remove excess solder from the bonded metal pieces. Overall, soldering can take up to 20 minutes.
  • soldering is also used to solder directly to metal substrates in high power electronic chips where high currents of a few amperes flow across the chip (eg, high power LEDs) to achieve as little electrical resistance as conventional electrically conductive adhesives have too high a specific resistance and thereby heat the junction strongly by ohmic losses and finally the component would be destroyed by overheating.
  • the soldering also brings here some disadvantages, in ⁇ example, that the chips are placed in a solder deposit, which was applied to the Sub ⁇ strate, and are not well fixed to eigentli ⁇ chen soldering process and virtually float in this solder deposit.
  • soldering process is further associated with a leakage of flux, which is then to remove for subsequent processes of the assembly and connection technology. Disadvantage of this is particularly the enormous expenditure of sorg ⁇ embltigem transporting the components to be soldered and cleaning after the soldering process.
  • the object of the present invention is therefore to provide a mechanically and / or electrically loadable connection between metal pieces, the production of which requires no soldering process.
  • connection can be made by gluing, when a surface-structured and / or perforated metal foil, in which an adhesive, for example, on both sides, incorporated, is used as a connector and bonded to the workpieces to be joined.
  • the metal foil produces electrical and thermal conductivities which were hitherto unthinkable for adhesive bonds, and the finely distributed quantities of adhesive in the structures of the metal foil create a mechanically stable, load-bearing composite of the metal pieces.
  • no misalignment of the parts to be joined for example, after placing of the chip and a subsequent sequent ⁇ light activation more occur.
  • the subject matter of the present invention is therefore a composite workpiece comprising joined components in the form of workpieces to be joined, wherein the joining partners are connected via a structured and / or perforated metal foil which is coated on at least one side with an adhesive mass.
  • a structured metal foil with adhesive is coated in a first process step, is brought into a second process step the coated Metallfo ⁇ lie between the joining partners, and is fixed there until by the adhesive a self-supporting stability of Kle ⁇ order is reached and cured in a third step of the adhesive.
  • a combination of workpieces for example, where at least one workpiece thereof is metallic, with very little electrical and / or thermal resistance, which can be produced with the speed of a gluing operation, is achieved by the combination of a surface-structured, e.g. embossed metal foil, achieved with an example light-curing / light-activated adhesive system.
  • a structured metal foil is preferably provided on both sides and / or preferably punctually with a suitable adhesive and placed between the materials to be joined.
  • One of the two workpieces to be joined in applied pressure causes the metal foil, that the structuring ⁇ tion so deformed that is exploiting Dende in the wells or structures adhesive flows and the metal piece ⁇ surfaces wetted. A small amount of adhesive emerges at the edges, which is applied by means of a suitable light source in the outer regions, the adhesive seam around the composite workpiece. is hardened. The curing reaction then further self ⁇ constantly runs through the entire adhesive layer between the me ⁇ -metallic join partners through, although there can be no light-curing. For example, a UV-activated catalyst species is sufficient for this process.
  • Ge ⁇ is any adhesive which ak ⁇ tivieren can be by means of light source and the curing subsequently continues to progress independently; eg cationic curing UV epoxies. Furthermore, in the case of light-activatable adhesives, the adhesive on the metal foil can be briefly irradiated with a suitable light source even before the joining of the metallic joining partners.
  • the film can also be perforated.
  • the adhesive may be applied to one or both sides of the workpieces to be joined. Subsequently, the perforated film is placed on one of the two mating surfaces to be joined of the joining partners and the two workpieces are joined together. By applying pressure from the outside, the adhesive is pressed into the perforation of the film and thus bonds the two joining partners, while the metal foil ensures a very good passage of heat and electricity.
  • the ends of the two contact surfaces of the joining partners are designed according to the key-lock principle, so that from the parts ends, for example the coil ends of generator coils or substrate / conductor track and electronic component, matching partners are matched to one another a joining partner the
  • Castle form and a joint partner represents the key shape, which result in one another, the composite workpiece in the form of a zu ⁇ sammenge Stahlgten multipart workpiece.
  • This embodiment is also called click connection.
  • the electrical or thermal resistance of the joint is adjustable via the choice of the material of the metal foil. If for example, the joining partners are both made of copper, then preferably a metal foil made of copper or a metal having a comparable electrical and / or thermal conductivity is used, so that the resistance of the joining parts to the resistance of the bulk materials is minimized.
  • the structured and / or perforated and coated with adhesive composition metal foil between the joining ⁇ partner is introduced and because of the engagement of one joining partner in the corresponding opening of the other joining part ⁇ ner, a fixation of the metal parts to be bonded at the beginning of bonding superfluous.
  • This type of joining in the key-lock principle is also called a Vogelverbindeclar.
  • the figures show examples of the design of the joining partners.
  • the structuring of the metal foil can be designed as desired, both on the dimensions of the structuring and on the shape of the structure.
  • the metal foil may also be simply embossed, for example indentations may be produced in the surface of the metal in an imprint process, into which the adhesive is then doctored.
  • the structuring and / or perforation may be in the range of several millimeters down to the submicron range.
  • the metal foils used have a thickness between 0.5 ⁇ - 1000 ⁇ , preferably between ⁇ and 200 ⁇ and more preferably between 2 ⁇ and ⁇ .
  • the metal foil may be constructed in a single-layered or laminated manner from a plurality of layers.
  • the coating of the metal film with adhesive may bepatternedflä ⁇ chig in areas over the entire surface, the entire surface with islands, in regions in strip form, in a pattern selectively designed etc..
  • the adhesive system can be filled or unfilled and also a two-component system. In this case, for example, a component may be applied to the joining partner or smooth metal part to be joined and a component to the metal foil.
  • the adhesive system can be a pre-reacted so-called B-stage resin fully cross-linked with a short annealing and / or eg cures ⁇ , a pre-reacted epoxy resin system.
  • FIG. 1 shows an example of a click connection
  • Figure 2 shows a further example of a Layverbin ⁇ dung
  • FIGS. 3 to 5 show embodiments of adhesive-coated and structured metal foils.
  • FIG. 6 shows a schematic of the metal foil production and
  • Figure 7 shows an embodiment with a perforating ⁇ th metal foil.
  • FIG. 1 shows two metal ends to be connected, for example of generator coil pieces.
  • the two shown metal ends 1 and 2 are examples of the joining partners 1 and 2, between which the adhesive-coated metal foil ⁇ when bonding (for clarity not shown here) is placed a ⁇ .
  • the structured and / or perforated and coated metal foil is then pressed in such a way that the structuring is squeezed and / or even partially pressed flat and exposes the adhesive, which then seals the two joining partners 1 and 2 with the metal foil adhesive bonding, but always a direct connection of metal to metal is achieved, so that the electrical and / or thermal conductivity and Strombe ⁇ loadability of eg metals on the connection point ⁇ way is maintained.
  • the structured and / or perforated metal foil is provided on both sides with the adhesive at points and placed between the ends of the workpieces to be joined, ie the joining partners 1 and 2.
  • the illustrated workpiece ends 1 and 2 may be, for example, generator coil ends.
  • the resulting in the Figure 1 link is to a very good electrically and thermally conductive since directly comes to lie on metal metal and comprises on the other a very high bond strength between the three parts to be joined, as a suitable polymer system, such as Anaerobic metal ⁇ adhesives , Epoxy resin systems etc., enable very good metal bonds.
  • a suitable polymer system such as Anaerobic metal ⁇ adhesives , Epoxy resin systems etc.
  • FIG. 2 shows another embodiment as shown in FIG. 1, wherein once again a joining partner can be brought together with the other according to the key-lock principle.
  • the curing of the adhesive takes place either by exposure, at room temperature or by brief heating, but the temperatures rise to a maximum of 400 ° C. so that the adhesive is not decomposed.
  • FIGS. 3 to 5 show structured metal foils in which adhesive is introduced.
  • the metal foils 3 which are for example metal foils of copper, aluminum, gold, silver, other good conductive metals and metal alloys.
  • the metal foils have on the surface structures 4, in which adhesive 5 is incorporated.
  • the thickness of the metal foil 6 can vary, preferably it is Zvi ⁇ rule 0,5 ⁇ - 1000 ⁇ , more preferably between ⁇ and 200 ⁇ and more preferably between 2 ⁇ and ⁇ .
  • the thickness of the adhesive coating 7 is below the height of the structures 4, so that the adhesive 5, which is embedded in the structures 4, is released when the structure 4 of the metal foil 3 is pinched.
  • FIGS. 4 and 5 show further exemplary embodiments, wherein FIG. 4 shows a round structuring and FIG. 5 shows a staggered structuring.
  • Figure 6 shows the scheme of metal foil production and bonding in general, initially starting from a simple metal foil 3. This is converted by a structuring step 8 into a metal foil 3 with structures 4.
  • the two joining partners 1 and 2 are permanently connected.
  • Figure 7 shows an embodiment with a perforated metal foil: can be seen above the joining partner 1 and below the joining partner 2, in the upper part of the figure still spatially separated.
  • the contact surfaces of the joining partners are coated with adhesive 5.
  • both Berüh ⁇ approximately surfaces of the parts to be joined with adhesive 5 are coated, but may also be only one joining partner with adhesive 5 to be coated.
  • the perforated metal foil 11 is placed. Then, the joining partners are joined and fixed with or without pressure, wherein after first curing of the adhesive 5, the fixation the joint takes place.
  • a first fixation of the metallic joining partners to be joined can already have taken place after seconds, so that no further working step may possibly be required, in particular if the curing has already been started with a light-curing adhesive.
  • the invention relates to a composite workpiece, a manufacturing method thereof and an application, in particular one with high current carrying capacity, low thermal resistance and high mechanical stability.
  • an adhesive-coated metal foil is bonded to the joint partners and / o ⁇ of an uncoated film is ge ⁇ sandwiched between mating parts, which are switched on on both sides with adhesive or the like.
  • the bonding can be done in various ways, in a two-component adhesive, for example, an adhesive component may be applied to the surface of a joining partner or both joining partners and the second component on the metal foil, which comes to lie between the joining partners, be applied.
  • the two components are then mixed and give the adhesive mass, which then hardens. Only the film (one or both sides), one each adherend surface or both Fügeteilo- (e of the film according to disclosed embodiment) may at Einkomponen tenklebstoffen ⁇ ber lake either be coated with adhesive.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Laminated Bodies (AREA)

Abstract

L'invention concerne une pièce composite, un procédé de fabrication de cette pièce et une application, présentant en particulier une capacité conductrice élevée, une faible résistance thermique et une stabilité mécanique. Selon l'invention, un film métallique enduit de colle est collé aux éléments à assembler.
PCT/EP2011/072894 2010-12-21 2011-12-15 Pièce composite, procédé de fabrication de cette pièce et application Ceased WO2012084680A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010063809.9 2010-12-21
DE102010063809A DE102010063809A1 (de) 2010-12-21 2010-12-21 Verbundwerkstück, Herstellungsverfahren dazu und Anwendung

Publications (2)

Publication Number Publication Date
WO2012084680A2 true WO2012084680A2 (fr) 2012-06-28
WO2012084680A3 WO2012084680A3 (fr) 2012-09-13

Family

ID=45418664

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2011/072894 Ceased WO2012084680A2 (fr) 2010-12-21 2011-12-15 Pièce composite, procédé de fabrication de cette pièce et application

Country Status (2)

Country Link
DE (1) DE102010063809A1 (fr)
WO (1) WO2012084680A2 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110009996A (zh) * 2017-11-30 2019-07-12 乐金显示有限公司 粘合部和柔性显示屏
WO2024047409A1 (fr) * 2022-08-30 2024-03-07 King Abdullah University Of Science And Technology Ruban adhésif thermoplastique présentant des défauts sur mesure pour une résistance et une ténacité améliorées et leur procédé de traitement

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Publication number Priority date Publication date Assignee Title
DE102012215838A1 (de) * 2012-09-06 2014-03-06 Siemens Aktiengesellschaft Verbund zweier metallischer Fügepartner

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GB1511242A (en) * 1975-05-02 1978-05-17 Evode Ltd Adhesive tapes and method of bonding
DE10133248A1 (de) * 2001-07-09 2003-01-23 Vipem Hackert Gmbh Laminatgebilde
AT7177U3 (de) * 2004-07-09 2005-07-25 Isosport Verbundbauteile Verbundkörper
DE102004054785A1 (de) * 2004-11-12 2006-07-27 Lindner Ag Bodenaufbau aus einzelnen Platten
KR101108862B1 (ko) * 2007-09-26 2012-01-31 히다치 가세고교 가부시끼가이샤 도전체 접속용 부재 및 그의 제조 방법, 접속 구조, 및 태양 전지 모듈
WO2010053859A2 (fr) * 2008-11-07 2010-05-14 3M Innovative Properties Company Ensemble stratifié conducteur

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110009996A (zh) * 2017-11-30 2019-07-12 乐金显示有限公司 粘合部和柔性显示屏
EP3493288B1 (fr) * 2017-11-30 2021-07-21 LG Display Co., Ltd. Adhésif et affichage flexible l'utilisant
CN110009996B (zh) * 2017-11-30 2022-02-08 乐金显示有限公司 粘合部和柔性显示屏
US11258037B2 (en) 2017-11-30 2022-02-22 Lg Display Co., Ltd. Adhesive and flexible display using the same
CN114283693A (zh) * 2017-11-30 2022-04-05 乐金显示有限公司 柔性显示屏
US12516146B2 (en) 2017-11-30 2026-01-06 Lg Display Co., Ltd. Adhesive and flexible display using the same
WO2024047409A1 (fr) * 2022-08-30 2024-03-07 King Abdullah University Of Science And Technology Ruban adhésif thermoplastique présentant des défauts sur mesure pour une résistance et une ténacité améliorées et leur procédé de traitement

Also Published As

Publication number Publication date
DE102010063809A1 (de) 2012-06-21
WO2012084680A3 (fr) 2012-09-13

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