WO2017148685A1 - Anschlussträger, optoelektronisches bauteil und verfahren zur herstellung eines anschlussträgers oder eines optoelektronischen bauteils - Google Patents
Anschlussträger, optoelektronisches bauteil und verfahren zur herstellung eines anschlussträgers oder eines optoelektronischen bauteils Download PDFInfo
- Publication number
- WO2017148685A1 WO2017148685A1 PCT/EP2017/053030 EP2017053030W WO2017148685A1 WO 2017148685 A1 WO2017148685 A1 WO 2017148685A1 EP 2017053030 W EP2017053030 W EP 2017053030W WO 2017148685 A1 WO2017148685 A1 WO 2017148685A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- substrate
- connection carrier
- contact
- contact element
- connection
- Prior art date
Links
- 230000005693 optoelectronics Effects 0.000 title claims description 78
- 238000004519 manufacturing process Methods 0.000 title claims description 11
- 239000000758 substrate Substances 0.000 claims abstract description 216
- 238000009413 insulation Methods 0.000 claims abstract description 52
- 239000004065 semiconductor Substances 0.000 claims description 46
- 238000002955 isolation Methods 0.000 claims description 10
- 238000005253 cladding Methods 0.000 claims description 6
- 238000004080 punching Methods 0.000 claims description 6
- 238000002310 reflectometry Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 description 25
- 239000010410 layer Substances 0.000 description 23
- 238000000034 method Methods 0.000 description 13
- 239000000969 carrier Substances 0.000 description 10
- 230000001070 adhesive effect Effects 0.000 description 8
- 229910052751 metal Inorganic materials 0.000 description 8
- 239000002184 metal Substances 0.000 description 8
- 239000000853 adhesive Substances 0.000 description 7
- 239000012777 electrically insulating material Substances 0.000 description 5
- 238000000926 separation method Methods 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 3
- 239000002390 adhesive tape Substances 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 239000004922 lacquer Substances 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- 150000002739 metals Chemical class 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 229920001296 polysiloxane Polymers 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 229910052594 sapphire Inorganic materials 0.000 description 3
- 239000010980 sapphire Substances 0.000 description 3
- 229910052709 silver Inorganic materials 0.000 description 3
- 239000004332 silver Substances 0.000 description 3
- 229910000679 solder Inorganic materials 0.000 description 3
- 239000006228 supernatant Substances 0.000 description 3
- 239000004593 Epoxy Substances 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 239000012790 adhesive layer Substances 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 238000004382 potting Methods 0.000 description 2
- NDVLTYZPCACLMA-UHFFFAOYSA-N silver oxide Chemical compound [O-2].[Ag+].[Ag+] NDVLTYZPCACLMA-UHFFFAOYSA-N 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 238000007740 vapor deposition Methods 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 206010047571 Visual impairment Diseases 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000002318 adhesion promoter Substances 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 230000005670 electromagnetic radiation Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 239000004811 fluoropolymer Substances 0.000 description 1
- 229920002313 fluoropolymer Polymers 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 238000003698 laser cutting Methods 0.000 description 1
- 238000001465 metallisation Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 238000009832 plasma treatment Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 229910001923 silver oxide Inorganic materials 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 239000002966 varnish Substances 0.000 description 1
- 208000029257 vision disease Diseases 0.000 description 1
- 230000004393 visual impairment Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/62—Arrangements for conducting electric current to or from the semiconductor body, e.g. lead-frames, wire-bonds or solder balls
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L24/00—Arrangements for connecting or disconnecting semiconductor or solid-state bodies; Methods or apparatus related thereto
- H01L24/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L24/42—Wire connectors; Manufacturing methods related thereto
- H01L24/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L24/49—Structure, shape, material or disposition of the wire connectors after the connecting process of a plurality of wire connectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L25/00—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof
- H01L25/03—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes
- H01L25/04—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers
- H01L25/075—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H01L33/00
- H01L25/0753—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H01L33/00 the devices being arranged next to each other
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L25/00—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof
- H01L25/16—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof the devices being of types provided for in two or more different main groups of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. forming hybrid circuits
- H01L25/167—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof the devices being of types provided for in two or more different main groups of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. forming hybrid circuits comprising optoelectronic devices, e.g. LED, photodiodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/02—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor bodies
- H01L33/20—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor bodies with a particular shape, e.g. curved or truncated substrate
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/44—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the coatings, e.g. passivation layer or anti-reflective coating
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/483—Containers
- H01L33/486—Containers adapted for surface mounting
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/52—Encapsulations
- H01L33/54—Encapsulations having a particular shape
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
- H01L2224/4805—Shape
- H01L2224/4809—Loop shape
- H01L2224/48091—Arched
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
- H01L2224/481—Disposition
- H01L2224/48135—Connecting between different semiconductor or solid-state bodies, i.e. chip-to-chip
- H01L2224/48137—Connecting between different semiconductor or solid-state bodies, i.e. chip-to-chip the bodies being arranged next to each other, e.g. on a common substrate
-
- 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
- H01L2924/15—Details of package parts other than the semiconductor or other solid state devices to be connected
- H01L2924/181—Encapsulation
Definitions
- Connection carrier optoelectronic component and method for producing a connection carrier or a
- Optoelectronic semiconductor device and a method for producing a connection carrier.
- connection carrier as well as an optoelectronic component which can be produced particularly inexpensively.
- Task is a connection carrier and a
- connection carrier is specified.
- Connection carrier is for example a
- connection carrier also serves as a mechanically supporting carrier on which electronic components, such as semiconductor chips, are arranged and fixed.
- Connection carrier a substrate.
- the substrate has a
- Substrate cover surface which is formed by a main surface of the substrate at the top of the substrate.
- the substrate further includes one of the substrate top surface
- Substrate side surface which connects the substrate top surface with the substrate bottom surface.
- the substrate top surface and the substrate bottom surface may be formed, for example, circular or n-shaped.
- the substrate may be cuboid and the substrate top surface and the substrate bottom surface are rectangular, in particular square, formed.
- Edge length of the substrate may then for example be between at least 2 mm and at most 50 mm, in particular between at least 6 mm and at most 35 mm.
- the substrate is the mechanically bearing component of the connection carrier. That is, the substrate is intended to be the other components of the connection carrier.
- the substrate is mechanically self-supporting.
- the substrate may be rigid or flexible.
- the mechanical load bearing properties the
- Substrate in the connection carrier take on more properties.
- the substrate may be absorbing at the substrate top surface for light or for light
- the substrate can assume optical properties in the connection carrier.
- the substrate can assume electrical properties in the connection carrier.
- the substrate can be designed to be electrically conductive or electrically insulating, for example, on the substrate cover surface.
- the substrate has a main extension plane along which it extends along two lateral directions.
- the main extension plane of the substrate can, for example, be parallel to or along the top surface and / or the bottom surface of the substrate within the manufacturing tolerance
- the substrate then has a thickness which in particular can be small compared to the extent of the substrate in the lateral directions.
- the substrate may in particular be a thin plate, for example a thin carrier sheet.
- the substrate may, for example, have a thickness between at least 0.3 mm and a maximum of 2.2 mm, in particular at most 1.5 mm. In particular, it is possible that the
- Substrate has a thickness of at least 0.5 mm and at most 1.0 mm.
- the substrate may in particular contain metals or consist of metals.
- the substrate may in particular contain metals or consist of metals.
- the substrate may in particular contain metals or consist of metals.
- the substrate can then have a
- Base body a dielectric layer system and optionally have a metallic reflection layer.
- a metallic reflection layer for example, form an exposed outer surface of the base body, the substrate bottom surface.
- exposed outer surface of the dielectric layer system or the metallic reflection layer at least
- the main body of the substrate may, for example, with a metal like
- a side of the main body of the substrate facing away from the substrate bottom surface can be band-anodized and / or
- Metallic reflection layer may be provided a layer sequence, which may contain an Elox layer.
- the anodized layer may contain an oxide, in particular aluminum oxide or silver oxide.
- the dielectric layer system may comprise a plurality of layers, wherein at least one of the layers of the
- Layer system contain an oxide or of an oxide
- the layer system Ti0 2 , S1O 2 , Al 2 O 3 , b 2 0 5 or a 2 0 5 .
- the layer system can exist.
- the layer system Ti0 2 , S1O 2 , Al 2 O 3 , b 2 0 5 or a 2 0 5 .
- the layer system can be
- a dielectric mirror such as a Bragg mirror
- connection carrier An appropriately trained connection carrier is
- Connection carrier a connecting element.
- Connecting element is electrically insulated.
- the connecting element is an element over which components of the connection carrier in particular
- connection is a connection in which the connection partners are held together by atomic and / or molecular forces
- a material-bonding connection is characterized, for example, by the fact that it is not mechanically non-destructively solvable. That is, when attempting to solve the cohesive connection by mechanical force, at least one of the connection partners
- Connection element destroyed and / or damaged.
- connection partners are generated.
- the connecting element may therefore be, for example, an adhesive or an adhesive tape.
- the connecting element may in particular be formed with or consist of one of an oxide, a nitride, a polymer and / or a plastic material.
- the connecting element is an adhesive tape, wherein the term "band" is not a form of the invention
- Connecting element for example, in plan view may also have curved outer edges.
- the connecting element may for example have a carrier layer which consists of PET or fluoropolymers or contains these materials.
- the carrier layer can be coated on both sides with an adhesive layer.
- the adhesive layer can be so pronounced that it develops a significant adhesive force only from a certain contact pressure. It can also be so pronounced that it is curable or that its adhesive power in exposed areas For example, by a plasma treatment loses, so that on the exposed in the finished state of the substrate areas of the adhesive tape no particles unintentionally
- the connecting element may for example be formed as a layer which has a uniform thickness within the manufacturing tolerance.
- Connecting element can then, for example, between
- connection carrier comprises a contact element which
- the contact element may contain at least one metal or consist of at least one metal.
- the contact element may contain a base material which is provided with a coating.
- the contact element may for example be a base material
- Base material may be at least on one major surface of the
- Base material facing away from top of a metal such as silver or gold or one of these metals
- Diffusion barrier may be introduced, containing, for example, titanium, platinum, palladium and / or nickel or may consist of one of these materials.
- the contact element may have a constant thickness within the manufacturing tolerance.
- the contact element has In this case, for example, a thickness between at least 5 ym and at most 200 ym, in particular between at least 20 ym and at most 80 ym, on.
- the connection carrier comprises an insulation element, which is designed to be electrically insulating.
- Isolation element may be, for example, a
- Acting component which is constructed similar to the connecting element, wherein the insulating element must have adhesive or adhesive properties on only one major surface and a second major surface may be non-adhesive or non-adhesive.
- the insulating element can be a material that is applied by spraying and / or vapor deposition and / or a printing process.
- the insulation element may then in particular be a lacquer layer, in particular a solder resist lacquer layer.
- the insulating element in addition to its electrical properties, as electrically insulating
- connection carrier also assume optical tasks in the connection carrier.
- the isolation element can be designed, for example, black, colored or white.
- Insulation element can also cover the central area facing side of the connecting element, which is the
- Burden of the connecting element with in particular blue light or UV radiation significantly reduced and thus improves the aging stability of the connecting element.
- connection element is on the substrate cover surface arranged, the contact element disposed on the side facing away from the substrate of the connecting element and arranged the insulating element on the side facing away from the connecting element of the contact element.
- the components of the connection carrier that is to say the substrate, the connection element, the contact element and the insulation element, can in each case be connected to one another in a material-locking manner.
- the connecting element imparts a
- the insulation element covers the contact element on a contact element cover surface facing away from the connection element and on a contact side face facing the substrate side surface. In this case, it is possible in particular for the insulation element to extend from the contact element cover surface without interruption to the contact element side surface.
- the contact element cover surface is free in places of the insulating element and only partially covered by the insulating element.
- connection carrier in particular at the outer edges of the connection carrier
- connection carrier Outside edges of the connection carrier can be avoided.
- the substrate cover surface is freely accessible in a central region. That means, at least in the central area of the connection carrier
- Substrate cover surface is not another component of
- Connection carrier such as the connecting element, the contact element, the insulating element arranged and the substrate cover surface is there of these components
- the substrate cover surface is freely accessible and can serve, for example, as a mounting surface for semiconductor components which are to be fastened and electrically connected to the connection carrier.
- the semiconductor devices may then be in direct contact with the substrate, for example, or it may merely be a connection means between the substrate and the substrate
- the central region is laterally of the insulation element
- the insulating element is arranged. That is, in at least one direction laterally spaced from the central region. In particular, it is possible that the
- Isolation element the central area partially or
- the insulation element may be spaced from the central region, so that others
- connection carrier Components of the connection carrier are at least partially disposed between the central region and the Insolationselement.
- the insulation element serves to avoid creepage distances at the outer edges of the connection carrier. The fact that the central region is laterally surrounded by the insulating element, this can be achieved particularly efficiently.
- the side surface facing away from the central region of the contact element and / or the Covering element covered by the insulating element are therefore in particular the
- connection carrier is indicated with
- a substrate comprising a substrate top surface, a substrate bottom surface opposite the substrate top surface, and a substrate side surface
- the contact element is arranged on the side of the connection element facing away from the substrate,
- the insulating element is arranged on the side of the contact element facing away from the connecting element,
- the substrate side surface connects the substrate top surface and the substrate bottom surface
- the insulation element covers the contact element on a contact element cover surface facing away from the connection element and on a contact element side surface facing the substrate side surface,
- the substrate top surface is freely accessible in a central area
- the central region is laterally surrounded by the insulating element.
- connection carrier may comprise exactly one connecting element, on which the contact element is arranged, or the connection carrier comprises two or more Connecting elements on which two or more contact elements are arranged.
- connection between these components can each be a cohesive connection. In this way, a particularly secure electrical insulation of the
- connection carrier allows.
- the connection carrier can then consist of the named components. That is, the
- Connection carrier then consists of the substrate, the
- Insulating element wherein connecting element, contact element and insulation element can be present in the singular or in the plurality.
- connection carrier preferably comprises at least two electrically
- Connecting element and optionally the insulation element are electrically isolated from each other. At the two or more contact elements, components that are connected to the connection carrier be attached and contacted, be electrically connected.
- connection carrier described here is based, inter alia, on the following considerations:
- PCB printed circuit board
- connection carriers are relatively expensive to produce. Compared with such connection carriers, a connection carrier described here is therefore distinguished by particularly low production costs.
- connection carrier described here can have further properties which distinguish it from the connection carriers mentioned. For example, it is possible that on two opposite quadrants of the connection carrier, on which, for example, no
- areas are that are electrically isolated because they are covered, for example, the insulating element. These areas can be provided, for example, for hold-downs which are used in the assembly of the connection carrier at the destination. These hold-downs can in this way, for example, with electrically conductive Structures, such as metallic retaining springs are formed. Furthermore, it is possible in these areas
- Mounting holes for example, drill holes to provide, with which a fastening of the connection carrier on
- Destination can be done by means of screws, rivets or bolts.
- connection carrier described here is characterized in that side surfaces of the connection carrier, in particular the substrate side surfaces, without recesses can be formed as straight as possible and / or smooth. In this way, the side surfaces are available for the mechanical adjustment of the orientation of the connection carrier at the destination.
- strip-shaped that is, for example, rectangular
- connection carrier Components to be attached to the connection carrier and to be contacted, to be adjusted.
- a contact surface on the contact element cover surface in shape and size for a wire contact (English: wire bond) - contacting can be optimized.
- Isolation element may then in particular a prestructured insulation film, which is adhered to exposed areas of the contact element, which are not intended for contacting a component.
- connection carrier it is possible to place two contact elements of the connection carrier in a lateral direction so close to each other that, for example, an ESD (Electro-Static Discharge) protective element can be mounted on a contact element and the ESD (Electro-Static Discharge) protective element.
- ESD Electro-Static Discharge
- connection carrier described here, to apply the contact elements such that between the contact element and the outer edge of
- Connection support is sufficient space available to electrically isolate the outer edge facing portion of the contact element by means of the insulating element. In this way, elaborate methods for insulating the contact element, such as folding over an end piece of the contact element, can be dispensed with.
- connection carrier described here is characterized in addition to the cost-effective manufacturability also by the fact that it can be safely operated in a particularly simple manner, that is, for example, creepage distances can be prevented at the outer edges of the connection carrier in a particularly simple manner.
- connection carrier projects beyond the contact element laterally, that is to say in at least one lateral direction.
- the connecting element the
- the connecting member extends slightly beyond the dimensions of the contact member in the lateral directions, for example, thus enabling one
- the insulation element covers the connection element on a connection element cover surface facing away from the substrate. That is, the isolation element is, for example, of the
- connection carrier facing contact element side surfaces completely in electrically insulating material.
- the contact element is covered in this case by the insulating element, on the underside of the electrically insulating connecting element. In the area of the contact element side surface, for example, the insulation element and the connection element then directly adjoin
- the insulation element covers the connection element on a connection element side surface facing the substrate side surface. That is, in this embodiment, the insulating member is, for example, from the contact element cover surface via the contact element side surface to
- the insulation element may in particular extend without interruption over the said route. Due to the fact that the insulating element also covers the connecting element on its side surface and there, for example, firmly bonded to it
- connection element there is a further improved encapsulation of the contact element with electrically insulating material, at least in the region of the outer edges of the connection carrier.
- the insulation element is locally in direct contact with the substrate. That is, in this case, that can
- Isolation element for example, from the contact element cover surface, on the contact element side surface to
- connection carrier is covered, for example along all its outer edges of the insulating element and creepage distances from and to the contact element are completely prevented from the outer edges of the connection carrier ago.
- the central region of the substrate cover surface is completely offset laterally, that is to say in the lateral directions
- the insulating member which may, for example, be in direct contact with the substrate, completely surrounds the central region and, for example, covers the substrate at its outer edges without interruption.
- connection carrier the connecting element and the contact element are curved in places in plan view. This means in particular that the connecting element and the
- Contact element are not formed as strips, which are for example rectangular in plan view, but said elements have in plan view curved outer edges. With these curved outer edges, a particularly accurate adaptation of the shape of the
- connection carrier to the needs of the components to be attached to the connection carrier and to be electrically connected, adapted.
- the substrate has at least in the central region on the connection carrier
- Substrate cover surface has a reflectivity of at least 80%, in particular of at least 85%, for light.
- the substrate preferably has the said reflectivity at a wavelength of at least 430 nm and at most 700 nm, in particular at a wavelength of 450 nm.
- Reflectivity may be particularly preferably at least 90%. In other words, perpendicular to the
- Main extension plane on the substrate top surface of the Substrate for example in the central region, incident visible light is reflected with a probability of at least 80%, preferably at least 85% and particularly preferably at least 90%.
- the substrate is therefore visible, in particular blue,
- Such a highly reflective, in particular multi-layered, formed substrate can be produced inexpensively and allows in particular the use of the connection carrier to form a
- connection carrier described here for
- connection carrier is also disclosed for the optoelectronic component and vice versa.
- the optoelectronic component is, for example, a so-called chip-on-board LED module or a so-called "light
- light-emitting diode chips are used. Furthermore, it is possible that alternatively or additionally in
- Photo detector chips are used.
- the optoelectronic component comprises a connection carrier described here.
- the optoelectronic component described here comprises one, in particular at least two, optoelectronic semiconductor chips, which may, for example, be similar semiconductor chips. That means it can be, for example, around
- it may be the optoelectronic
- semiconductor chips act around so-called sapphire chips. These chips may, for example, comprise a support formed of sapphire and forming part of a growth substrate to which a semiconductor layer sequence comprising an active radiation generation region has been epitaxially deposited.
- Optoelectronic semiconductor chips mounted in the central region on the substrate cover surface on the substrate. That is, the optoelectronic semiconductor chips are deposited on the substrate in a region which is free from the substrate
- the semiconductor chips can, for example, in the central region by gluing or soldering to the substrate
- Central area is electrically insulating and / or the optoelectronic semiconductor chips with their electrically insulating side, in particular a support made of sapphire, are attached to the top surface.
- Optoelectronic semiconductor chips electrically connected to the contact element.
- the optoelectronic semiconductor chips having at least two
- the optoelectronic component includes a plurality of optoelectronic semiconductor chips, the
- a contacting of the series circuit of optoelectronic semiconductor chips is then effected by two contact elements of the connection carrier.
- connection carrier according to one of the preceding claims
- the optoelectronic semiconductor chips are electrically connected to the contact element.
- the optoelectronic semiconductor chips are surrounded by a light-permeable, electrically insulating sheath, wherein the sheath is connected to the substrate at its end
- Substrate cover surface is in direct contact.
- the cladding is in direct contact with the substrate in the central region of the substrate cover surface.
- the cladding is, in particular, a potting body which is applied to the optoelectronic semiconductor chips.
- the potting body may comprise a matrix material into which
- Particles of one or more materials are introduced.
- the matrix material are particles of a
- Wavelength range for example with larger ones
- Example white light, to be radiated.
- Matrix material may be, for example, a silicone material, an epoxy material or a silicone-epoxy hybrid material.
- the cladding serves, in addition to its optical properties, also for the mechanical protection of the optoelectronic
- the sheath is an electrically insulating component of the optoelectronic component, which can help to prevent creepage distances to the contact element of the connection carrier.
- the sheath is in direct contact with the insulation element.
- the insulation element is formed, for example, with a lacquer, for example a solder resist, which then completely surrounds the optoelectronic semiconductor chips. Furthermore, it is possible that the sheath is in direct contact with the substrate, the connecting element, the contact element and the insulating element.
- Cladding can then adhere particularly well to the connection carrier, since the adhesion surface to the connection carrier in this case is particularly large.
- an insulation element outer edge facing the optoelectronic semiconductor chip forms a stop edge for the enclosure.
- the insulating element is arranged, for example, on the contact element cover surface and does not extend to the optoelectronic semiconductor chip facing side of the connection layer
- the insulation element then ends at the contact element cover surface.
- the insulation element then has an outer edge facing the semiconductor chips.
- the wrapping material can then be selected with regard to, for example, its viscosity when applied to the optoelectronic semiconductor chips such that it is attached to the
- Optoelectronic semiconductor chips are arranged fixed.
- the contact element is not freely accessible at any point except for contact points provided for contacting the component from the outside.
- the contact element is completely covered by the insulating element and the sheath. It is possible, for example, that the insulating element is in direct contact with the enclosure and the enclosure in lateral directions, ie
- the contact points are preferably at least 1 mm away from an outer edge of the connection carrier, which results in the possibility of the area between a
- connection carrier and optoelectronic described here are specified.
- an arrangement comprising a multiplicity of
- Substrates attached to each other provided.
- the arrangement may be, for example, a panel or an endless roll which later becomes individual
- Substrates or individual connection carriers can be separated. In a next step in the
- the separating openings extend in a trench-like manner between adjoining substrates without extending along the entire outer edge of a substrate.
- the separation openings serve in a later processing step, for example, as predetermined breaking points.
- Isolation element can be compared to known ones
- connection carriers increase the manufacturing costs, but this is due to the reduction of the cost
- connection carrier Dicing the connection carrier from the arrangement of
- Substrate cover surface is formed.
- the light-emitting surface may have a diameter of at least 1.5 mm and at most 45 mm, in particular between at least 5 mm and not more than 33 mm.
- the light-emitting surface has a diameter of approximately 9 mm, approximately 13 mm, approximately 19 mm or approximately 24 mm, the tolerance in each case being 1 mm.
- connection carriers described here, the optoelectronic components described here and the methods described here are explained in greater detail on the basis of exemplary embodiments and the associated figures.
- Figures 1A, 1B and IC show a first one
- FIGS. 2 and 3 show, by way of schematic illustrations, further exemplary embodiments of connection carriers described here.
- FIGS. 4A, 4B show an exemplary embodiment of an optoelectronic component described here by way of schematic illustrations.
- FIGS. 5A, 5B, 5C An exemplary embodiment of one here is based on the schematic representations of FIGS. 5A, 5B, 5C
- FIG. 1A shows a first exemplary embodiment of a connection carrier described here on the basis of a schematic sectional representation.
- FIG. 1B shows the associated one
- the figure IC shows a schematic plan view.
- the connection carrier 1 comprises a substrate 10.
- the connection carrier 1 comprises a substrate 10.
- Substrate 10 is, for example, a multilayer carrier sheet described here.
- the substrate 10 includes a top surface 10a, a bottom surface 10b, and
- the connecting element 11 is arranged, which has a
- Central region 18 annular or frame-shaped encloses (see, for example, Figures 1B and IC).
- Connecting element 11 is connected to the substrate 10 cohesively.
- Connecting element 11 are connected cohesively.
- the connecting element 11 projects beyond the contact elements 12 in each case in lateral directions, parallel to the
- the insulating element 13 can also surround the central region 18 of the substrate cover surface 10a in an annular or frame-shaped manner.
- the insulation element 13 is along the
- Contact element cover surface 12a led to the contact element side surface 12c. It completely covers the contact element side surface 12c and is in direct contact with the connection element 11 on the connection element cover surface IIa on the side facing the substrate side surface 10c. In the present case, the connecting element 11 also extends beyond the insulation element 13 at any point laterally completely or flush with it.
- Connection carrier 1 side facing completely with
- connection carrier further comprises attachment openings 14, which are arranged in mutually opposite quadrants of the substrate 10.
- attachment openings 14 are arranged in mutually opposite quadrants of the substrate 10.
- Insulation element 13 is guided to the outer edge of the substrate 10 and also the attachment openings
- connection carrier 1 completely encloses in lateral directions.
- the connection carrier 1 further comprises contact points 15 which are not occupied by the fastening openings 14
- Quadrants are arranged. At these contact elements, the insulating element 13 is not applied and the
- Contact element 12 is there freely accessible and contactable.
- the connecting element 11 the contact element 12 and
- the insulating element 13 can by
- the diameter D1 between opposite edges of the connecting element 11 in the present case can be, for example, 17.9 mm.
- Contact element 12 may for example be 18.7 mm and the diameter D3 between opposite edges of the insulation element 13 may be 19.8 mm.
- the tolerance is, for example, in each case 1 mm.
- Insulation element 13 is guided at the central region 18 facing side of the contact element 12 and the connecting element 11 to the substrate 10. This is indicated in the right-hand area of FIG. 1A by dashed lines.
- the insulation element 13 is not designed as a foil, but as a coating, for example by means of a solder resist, this is a possible
- Isolation element 13 is formed in this case, for example, white and can thus be a visual impairment prevent by the contact element 12 or the connecting element 11.
- connection carrier In conjunction with the schematic sectional view of Figure 2, a further embodiment of a connection carrier described here is explained in more detail.
- FIG. 2 shows a connection carrier which comprises the substrate 10, which forms the substrate cover surface 10a, that of FIG
- Substrate cover surface 10a opposite substrate bottom surface 10b and the substrate side surface 10c includes comprises. Furthermore, the connection carrier 1 comprises the
- the connecting element 11 is arranged on the substrate cover surface 10a
- the contact element 12 is arranged on the side facing away from the substrate 10 of the connecting element 11
- the insulating element 13 is arranged on the side facing away from the connecting element 11 of the contact element 12. The connecting element 11 projects beyond the contact element 12
- the substrate side surface 10c connects the
- the insulating member 13 covers the
- Substrate side surface 10c facing contact element side surface 12c.
- the substrate top surface 10a is in
- Central area 18 is freely accessible, and the central region 18 is laterally surrounded by the insulating element 13.
- the insulation element 13 is guided along the contact element cover surface 12a via the contact element side surface 12c of the Vietnameseselement- cover surface IIa to the substrate cover surface 10a. It is possible that the insulation element 13 with the
- connection carrier is illustrated with the substrate 10, which comprises the substrate cover surface 10a, the substrate base surface 10b opposite the substrate cover surface 10a, and the substrate side surface 10c. Furthermore, the connection carrier comprises the connection element 11, which is electrically insulating, the contact element 12, which is electrically conductive, and the insulation element 13, which is electrically insulating.
- the connecting element 11 is arranged on the substrate cover surface 10a
- the contact element 12 is arranged on the side facing away from the substrate 10 of the connecting element 11
- the insulating element 13 is arranged on the side facing away from the connecting element 11 of the contact element 12. The connecting element 11 projects beyond the contact element 12
- the substrate side surface 10c connects the
- the insulating member 13 covers the
- Substrate side surface 10c facing contact element side surface 12c.
- the substrate top surface 10a is in
- Central area 18 is freely accessible, and the central region 18 is laterally surrounded by the insulating element 13.
- a dam 16 is formed in this embodiment, which surrounds the central region 18 annular or frame-shaped.
- the dam 16 may be formed with an electrically insulating material having, for example, a color.
- the dam 16 may, for example, with a
- Be formed silicone material which is filled with pigments, so that the dam 16 appears colored, radiation-absorbing or white.
- the dam is formed with a titanium dioxide filled silicone and therefore appears white.
- the dam 16 is formed with material of the insulating element 13.
- the central region 18 facing side of the contact elements 12 is surrounded by electrically insulating material in this embodiment. Only to allow a connection of semiconductor chips are
- the dam 16 can also be used to include a
- Enclosure material 22 serve, see for example Figure 4A.
- an optoelectronic is described here
- each connection carrier 1 described here can be used.
- connection carrier 1 comprises the substrate 10, which is the
- connection carrier has the connection element 11, which is electrically insulating, the contact element 12, which is electrically conductive, and the insulation element 13, which is electrically insulating.
- the connecting element 11 is arranged on the substrate cover surface 10a
- the contact element 12 is arranged on the side facing away from the substrate 10 of the connecting element 11, and the insulating element 13 is at the
- Connecting element 11 facing away from the contact element 12 is arranged.
- the connecting element 11 projects beyond
- the substrate side surface 10c connects the substrate cover surface 10a and the substrate bottom surface 10b with each other.
- the insulation element 13 covers the contact element 12 on the contact element cover surface 12a facing away from the connection element 11 and that of the substrate side surface 10c
- connection carrier use in which the
- the optoelectronic component further comprises a plurality of optoelectronic semiconductor chips 20, for example
- the semiconductor chips 20 are over
- Wire contacts 11, with the contact elements 12 electrically are conductively connected, at least partially in series
- the optoelectronic semiconductor chips 20 are surrounded by a cladding 22, which is, for example, a converter-filled one
- Casting material can act.
- the semiconductor chip 22 facing outer edge 13d of the insulating member 13 serves as a stop edge for the
- the optoelectronic component can further comprise an ESD protection element 23, which is, for example, an ESD protection diode, which is connected in antiparallel to the series-connected optoelectronic semiconductor chips 20.
- ESD protection element 23 For connecting the ESD protection element 23, a further contact element 12 is provided, which is connected via another
- Connecting element 11 is attached to the substrate 10.
- the contact elements 12 may be formed so that no further connection element 11 is required to place the ESD protection element 23 and to
- connection carrier of Figures 1A to IC, in which the two
- Contact elements 12 have in two places a very small distance from each other, so that for example a
- an assembly comprising a plurality of substrates 10 is provided.
- the arrangement is, for example, a panel or an endless roll. Become in the substrates
- Attachment openings 14 and singulation openings 17 produced by punching are identical to Attachment openings 14 and singulation openings 17 produced by punching.
- the first and singulation openings 17 produced by punching.
- Mounting holes 14 are used for example for receiving fasteners such as screws, rivets or bolts.
- the singulation openings extend over one
- each substrate 10 Much of the outer edge of each substrate 10 without extending completely along the outer edge. In this way, the substrates 10 hang together at the corners.
- connection carrier or the optoelectronic
- the substrates can be separated from each other by the arrangement along the
- connection carriers described here and components described here are characterized by a particularly cost-effective manufacturability. Another advantage of connection carriers described here and here
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE112017001117.5T DE112017001117A5 (de) | 2016-03-03 | 2017-02-10 | Anschlussträger, optoelektronisches Bauteil und Verfahren zur Herstellung eines Anschlussträgers oder eine optoelektronischen Bauteils |
US16/081,176 US20190097106A1 (en) | 2016-03-03 | 2017-02-10 | Connection Carrier, Optoelectronic Component and Method for Producing a Connection Carrier or an Optoelectronic Component |
CN201780014848.1A CN109075228A (zh) | 2016-03-03 | 2017-02-10 | 连接载体、光电子器件和用于制造连接载体或光电子器件的方法 |
JP2018542708A JP2019512165A (ja) | 2016-03-03 | 2017-02-10 | 接続キャリア、オプトエレクトロニクス部品、および接続キャリアまたはオプトエレクトロニクス部品の製造方法 |
KR1020187028755A KR20180119660A (ko) | 2016-03-03 | 2017-02-10 | 접속 캐리어, 광전자 부품 및 접속 캐리어 또는 광전자 부품의 제조 방법 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102016103819.9 | 2016-03-03 | ||
DE102016103819.9A DE102016103819A1 (de) | 2016-03-03 | 2016-03-03 | Anschlussträger, optoelektronisches Bauteil und Verfahren zur Herstellung eines Anschlussträgers oder eines optoelektronischen Bauteils |
Publications (1)
Publication Number | Publication Date |
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WO2017148685A1 true WO2017148685A1 (de) | 2017-09-08 |
Family
ID=58054105
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/EP2017/053030 WO2017148685A1 (de) | 2016-03-03 | 2017-02-10 | Anschlussträger, optoelektronisches bauteil und verfahren zur herstellung eines anschlussträgers oder eines optoelektronischen bauteils |
Country Status (7)
Country | Link |
---|---|
US (1) | US20190097106A1 (de) |
JP (1) | JP2019512165A (de) |
KR (1) | KR20180119660A (de) |
CN (1) | CN109075228A (de) |
DE (2) | DE102016103819A1 (de) |
TW (1) | TW201738972A (de) |
WO (1) | WO2017148685A1 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
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DE102018105861B3 (de) * | 2018-03-14 | 2019-07-04 | Heraeus Deutschland GmbH & Co. KG | Verfahren zur Herstellung eines Leiterbahnabschnitts eines Anschlussträgers, Verfahren zur Herstellung eines Anschlussträgers, und optoelektronisches Halbleiterbauteil |
JP1627942S (de) * | 2018-09-27 | 2019-04-01 | ||
USD895559S1 (en) * | 2019-01-15 | 2020-09-08 | Citizen Electronics Co., Ltd. | Light emitting diode |
JP1640278S (de) * | 2019-01-15 | 2019-09-02 |
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- 2016-03-03 DE DE102016103819.9A patent/DE102016103819A1/de not_active Withdrawn
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2017
- 2017-02-10 DE DE112017001117.5T patent/DE112017001117A5/de not_active Withdrawn
- 2017-02-10 JP JP2018542708A patent/JP2019512165A/ja active Pending
- 2017-02-10 KR KR1020187028755A patent/KR20180119660A/ko not_active Application Discontinuation
- 2017-02-10 CN CN201780014848.1A patent/CN109075228A/zh active Pending
- 2017-02-10 US US16/081,176 patent/US20190097106A1/en not_active Abandoned
- 2017-02-10 WO PCT/EP2017/053030 patent/WO2017148685A1/de active Application Filing
- 2017-03-01 TW TW106106677A patent/TW201738972A/zh unknown
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DE102008044847A1 (de) | 2008-08-28 | 2010-03-04 | Osram Opto Semiconductors Gmbh | Optoelektronisches Bauelement |
US20130009183A1 (en) * | 2011-07-08 | 2013-01-10 | Han Chang | Reflective circuit board for led backlight |
DE102012223039A1 (de) * | 2012-02-13 | 2013-08-14 | Tridonic Jennersdorf Gmbh | LED-Modul mit Flächenverguß |
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Also Published As
Publication number | Publication date |
---|---|
US20190097106A1 (en) | 2019-03-28 |
TW201738972A (zh) | 2017-11-01 |
KR20180119660A (ko) | 2018-11-02 |
JP2019512165A (ja) | 2019-05-09 |
DE102016103819A1 (de) | 2017-09-07 |
DE112017001117A5 (de) | 2018-11-22 |
CN109075228A (zh) | 2018-12-21 |
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