WO2016113314A1 - Verfahren zur herstellung einer mehrzahl von optoelektronischen halbleiterbauelementen und optoelektronisches halbleiterbauelement - Google Patents
Verfahren zur herstellung einer mehrzahl von optoelektronischen halbleiterbauelementen und optoelektronisches halbleiterbauelement Download PDFInfo
- Publication number
- WO2016113314A1 WO2016113314A1 PCT/EP2016/050579 EP2016050579W WO2016113314A1 WO 2016113314 A1 WO2016113314 A1 WO 2016113314A1 EP 2016050579 W EP2016050579 W EP 2016050579W WO 2016113314 A1 WO2016113314 A1 WO 2016113314A1
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- WO
- WIPO (PCT)
- Prior art keywords
- semiconductor
- composite
- molding compound
- layer sequence
- component
- Prior art date
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 280
- 230000005693 optoelectronics Effects 0.000 title claims abstract description 39
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 25
- 239000002131 composite material Substances 0.000 claims abstract description 59
- 238000000034 method Methods 0.000 claims abstract description 56
- 238000000465 moulding Methods 0.000 claims description 98
- 150000001875 compounds Chemical class 0.000 claims description 64
- 230000005855 radiation Effects 0.000 claims description 50
- 239000000758 substrate Substances 0.000 claims description 16
- 239000012778 molding material Substances 0.000 claims description 10
- 230000001427 coherent effect Effects 0.000 claims description 9
- 238000005266 casting Methods 0.000 claims description 5
- 238000005520 cutting process Methods 0.000 claims description 5
- 238000000926 separation method Methods 0.000 abstract description 9
- 239000000206 moulding compound Substances 0.000 abstract 4
- 239000000463 material Substances 0.000 description 16
- MPDDTAJMJCESGV-CTUHWIOQSA-M (3r,5r)-7-[2-(4-fluorophenyl)-5-[methyl-[(1r)-1-phenylethyl]carbamoyl]-4-propan-2-ylpyrazol-3-yl]-3,5-dihydroxyheptanoate Chemical compound C1([C@@H](C)N(C)C(=O)C2=NN(C(CC[C@@H](O)C[C@@H](O)CC([O-])=O)=C2C(C)C)C=2C=CC(F)=CC=2)=CC=CC=C1 MPDDTAJMJCESGV-CTUHWIOQSA-M 0.000 description 14
- 230000003287 optical effect Effects 0.000 description 14
- 238000000151 deposition Methods 0.000 description 5
- 230000008021 deposition Effects 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 238000010297 mechanical methods and process Methods 0.000 description 3
- 230000003595 spectral effect Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000002800 charge carrier Substances 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000006735 deficit Effects 0.000 description 1
- 230000032798 delamination Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000005670 electromagnetic radiation Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 230000005226 mechanical processes and functions Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000001721 transfer moulding Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/005—Processes
- H01L33/0095—Post-treatment of devices, e.g. annealing, recrystallisation or short-circuit elimination
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers 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 having potential barriers 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
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/15—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components having potential barriers, specially adapted for light emission
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/005—Processes
- H01L33/0062—Processes for devices with an active region comprising only III-V compounds
- H01L33/0075—Processes for devices with an active region comprising only III-V compounds comprising nitride compounds
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers 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 having potential barriers 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 having potential barriers 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 having potential barriers 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers 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 having potential barriers 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
- H01L33/58—Optical field-shaping elements
-
- 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
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/0001—Technical content checked by a classifier
- H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2933/00—Details relating to devices covered by the group H01L33/00 but not provided for in its subgroups
- H01L2933/0008—Processes
- H01L2933/0033—Processes relating to semiconductor body packages
- H01L2933/005—Processes relating to semiconductor body packages relating to encapsulations
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/005—Processes
- H01L33/0093—Wafer bonding; Removal of the growth substrate
Definitions
- the present application relates to a method for
- One object is to provide a method which is largely independent of the size of the produced
- Semiconductor devices can be performed in a simple and reliable manner. Furthermore, a should
- Semiconductor device can be specified, which is characterized by good optoelectronic properties and at the same time is easy to produce.
- Embodiments and expediencies are the subject of the dependent claims.
- a method for producing a plurality of optoelectronic semiconductor components is specified.
- a composite with a semiconductor layer sequence wherein the composite has a plurality of component regions that are mechanically connected to one another.
- the semiconductor layer sequence for generating and / or for
- the composite has, for example, a carrier on which the semiconductor layer sequence is arranged.
- the carrier may be a growth substrate for the particular epitaxial
- the support may also be from the growth substrate for the
- the semiconductor layer sequence be different.
- the semiconductor layer sequence can be structured in a lateral direction, that is to say along a main extension plane of the semiconductor layers of the semiconductor layer sequence,
- the semiconductor layer sequence may furthermore extend continuously over the plurality of device regions.
- the semiconductor layer sequence can be structured to define the individual component regions, wherein the semiconductor layer sequence in the vertical direction, ie
- the individual component regions can be mechanically connected to one another only via the carrier.
- the method comprises a step in which a plurality of
- Pads is formed on the semiconductor layer sequence.
- at least one connection surface is formed on each component region.
- two connection surfaces are formed on each component region, each of which electrically contacts mutually different semiconductor layers of the semiconductor layer sequence.
- each component region has exactly two or more than two connection surfaces, which are arranged on the side of the semiconductor layer sequence facing away from the carrier.
- the method comprises a step in which a molding compound is formed on the semiconductor layer sequence.
- the molding compound is formed so that it fills the gaps between the pads completely or at least partially.
- the vertical extent of the applied molding compound may be large compared to the vertical extent of the semiconductor layer sequence.
- the molding composition is directly adjacent to the connection surfaces, in particular.
- the molding compound covers the Pads on the semiconductor layer sequence
- the method comprises a step in which the composite is singulated with the molding compound, wherein a plurality of molded articles, each of which is formed from a component region of the composite, is formed during singulation from the molding compound
- the moldings are formed when the composite is singulated, so that the side surfaces which bound the shaped body in the lateral direction are used for the singulation process
- characteristic traces such as traces of mechanical material removal, such as sanding marks or saw marks or traces of material removal by means of coherent radiation, such as laser radiation.
- the molding compound is thus already applied to the semiconductor layer sequence.
- the shaped bodies formed by the singulation can be
- the molding compound can be applied before the semiconductor layer sequence is divided into individual semiconductor bodies.
- a composite having a semiconductor layer sequence wherein the composite has a plurality of component regions that are mechanically connected to one another.
- a plurality of connection surfaces is formed on the semiconductor layer sequence, wherein at least one connection surface is formed on each component region.
- On the Semiconductor layer sequence is formed a molding compound, wherein the molding compound, the spaces between the
- Pads fills.
- the composite with the molding compound is isolated, wherein a plurality of moldings is formed when singulated from the molding compound, each of which emerges from a component region of the composite
- Semiconductor bodies done. In other words, forming the semiconductor bodies from the
- the method comprises a step in which a growth substrate for the semiconductor layer sequence is removed.
- the growth substrate is removed after the molding compound has been formed on the semiconductor layer sequence.
- Molding material thus serves to mechanically stabilize the semiconductor layer sequence, so that the growth substrate is no longer required for this purpose.
- the growth substrate remains on the semiconductor layer sequence.
- the growth substrate may be removed before the composite is singulated.
- the growth substrate itself therefore does not have to be severed during singulation and can, for example, be used again as a growth substrate in a subsequent production cycle.
- the method comprises a step, in which the semiconductor bodies and the moldings after the singulation of the composite for
- Forming material to be transformed The separated after separating moldings are thus held together with the further molding material and thus form the further composite.
- the interspaces between the shaped bodies can be filled in regions or completely.
- a center distance between adjacent semiconductor bodies is increased between the separation of the composite and the formation of the further composite.
- the center distance is therefore not or at least not exclusively determined by the distance of the component regions of the composite. This simplifies the production of semiconductor components whose lateral extent is greater, for example at least 10% larger or at least 50% larger than the lateral extent of the semiconductor body along the same direction.
- the further molding compound for forming the semiconductor components is severed from the further composite.
- the further shaped body surrounds the shaped body in the lateral direction along the entire
- the shaped body does not adjoin the side surface of the semiconductor component at any point.
- connection surfaces are temporarily covered during the manufacturing process, in particular completely covered.
- connection surfaces can be covered by the molding compound and / or the further molding compound.
- the further molding compound is formed such that the connection surfaces are completely covered, wherein the connection surfaces are exposed in a further step prior to the severing of the further composite.
- the exposure by means of a mechanical, in particular full-surface
- Pads both the molding compound and the further molding compound are removed in places.
- the molding compound and the further molding compound are simultaneously removed in places.
- the molding compound is formed so that the connection surfaces are completely covered, the pads are exposed before the further molding compound is applied.
- the connection surfaces in this case are therefore already accessible on the side of the molding compound facing away from the semiconductor layer sequence.
- contacts are formed on the further composite, which are each electrically conductively connected to one of the connection surfaces.
- the contacts are especially for the external
- each semiconductor device has exactly two or more than two contacts. In particular, all contacts of the
- Semiconductor device may be arranged.
- the molding composition and / or the further molding composition are in one
- a casting process is generally understood to mean a process with which a molding composition is designed according to a predetermined shape and
- the term "casting method” includes molding, film assisted molding, injection molding, transfer molding, and compression molding at least twice as large vertical extent as the vertical extent of the semiconductor layer sequence can be achieved easily and inexpensively, especially in comparison to a deposition method such as a CVD method or a PVD method.
- the singulation of the composite takes place by means of coherent radiation, in particular laser radiation. It has been found that in such a singling, the mechanical stress on an interface of the molding compound facing the semiconductor layer sequence is reduced, in particular in comparison to a mechanical singulation method. As a result, the risk of detachment of the molding compound from the
- Semiconductor layer sequence can be reduced.
- an optoelectronic semiconductor component is specified.
- the semiconductor component has one for generating and / or for receiving radiation
- Radiation passage area and at least one
- Semiconductor body is arranged.
- the semiconductor component has a shaped body which is arranged on the side of the semiconductor body which is remote from the radiation passage area.
- the shaped body adjoins the semiconductor body and the connection area.
- the side surfaces of the shaped body adjoins the semiconductor body and the connection area.
- Semiconductor bodies are in particular free of material of the shaped body. According to at least one embodiment of the
- semiconductor component the semiconductor device on a further molded body, which is a semiconductor device in a parallel to the radiation exit surface extending lateral direction limiting side surface of
- the further shaped body is adjacent in places to the shaped body and to the
- the semiconductor component has one for generating and / or for receiving radiation
- Radiation passage area and at least one
- the semiconductor device is arranged.
- the semiconductor device further comprises a molded body based on the
- Semiconductor body is arranged and at the
- the semiconductor device further has another
- Semiconductor component forms and in places adjacent to the shaped body and to the semiconductor body.
- the molded body and the further molded body can one
- the optoelectronic semiconductor component can be designed as a surface-mountable device (smd).
- an expansion of the shaped body is at most 20 ⁇ m larger than an extension of the semiconductor body.
- the expansion of the shaped body along this lateral direction may also be less than or equal to
- the lateral extent of the shaped body can be at least two
- the shaped body and the semiconductor body can be flush at least in a lateral direction.
- flush here also includes production-related
- Deviations that may be caused for example by a different material removal during the separation process may be caused for example by a different material removal during the separation process.
- the separation process may be caused for example by a different material removal during the separation process.
- the shaped body and the semiconductor body may terminate flush on at least two side surfaces of the semiconductor body or also along the entire circumference of the semiconductor body.
- Such a semiconductor component can be produced in a simple manner by a method in which a molding compound is applied to the molding even before a singulation takes place in the semiconductor body.
- the molded body and / or the further shaped body impermeable to the radiation produced or to be received in the semiconductor body during operation.
- the shaped body and the further shaped body can be radiopaque.
- the shaped body and the further shaped body may continue to be different from one another with respect to the material.
- the semiconductor component has a contact on a rear side of the further molded body which is remote from the radiation passage area and which makes contact with the
- the contact overlaps in plan view of the semiconductor device with the molded body and with the further molded body.
- the contact can therefore the semiconductor body in the lateral direction at least
- an electronic component is embedded in the further molded body.
- the further shaped body locally adjoins directly to the electronic component.
- the electronic component is an ESD protection diode.
- the semiconductor device may have one in the
- Semiconductor device integrated ESD protection or have other electronic functionality.
- that is electronic component connected by means of the contact electrically parallel to the semiconductor body.
- FIGS 1A to IG an embodiment of a
- FIGS. 2A to 2C show a further exemplary embodiment of a method for the production of
- FIGS. 3A and 3B each show an exemplary embodiment of an optoelectronic semiconductor component in a schematic sectional view (FIG. 3A).
- FIGS. 1A to 1C show an exemplary embodiment of a method for producing optoelectronic
- a composite 30 is provided.
- the composite 30 has a semiconductor layer sequence 20.
- the semiconductor layer sequence 20 is on a support
- Growth substrate 29 is formed. The one shown in Figure 1A.
- Section has two component areas 3, the
- Semiconductor layer sequence 20 may be as in FIG. 1A
- Component regions 3 be laterally structured.
- Semiconductor layer sequence 20 is a plurality of
- connection surfaces 4 arranged.
- the pads have in each case a connection layer 41 and a further connection layer 42.
- the connection layer 41 is
- connection layer 42 can, for example, for at least partially reinforcing means of a
- connection layer 41 galvanic deposition on the connection layer 41 are formed.
- the component regions 3 each have two connection surfaces 4.
- a component area 3 can also only one
- the semiconductor layer sequence 20 can be used for electrical
- Contacting each other different semiconductor layers of the semiconductor layer sequence 20 may be structured so that in later operation when applying an electrical voltage between two pads of a device region 3 charge carriers from opposite sides in a to
- a molding compound 50 is formed.
- the molding compound 50 completely covers the connection surfaces 4 on the side facing away from the semiconductor layer sequence 20.
- the molding compound 50 is on the growth substrate 29th
- the molding material 50 may be applied for example by means of a casting ⁇ procedure.
- the molding compound 50 in particular fills the gaps 45 between adjacent ones
- Pads 4 and adjacent to the pads 4 at least partially directly.
- Semiconductor layer sequence may be applied.
- the composite After removal of the growth substrate, the composite can be singulated as shown in FIG.
- the semiconductor layer sequence 20 and the molding compound 50 are severed, whereby individual semiconductor body 2 and mold 5 are formed.
- the semiconductor layer sequence 20 preferably extends continuously over the component regions 3 immediately before the singulation of the composite, so that the semiconductor bodies 2 do not form until the singulation. A high-precision adjustment of the singulation paths relative to already predefined before the singulation semiconductor bodies is therefore not required.
- the singulation is done by means of coherent
- Radiation for example by means of laser radiation. It has
- coherent radiation is particularly suitable for singling, since this compares the mechanical stress of the composite occurring during singulation reduced to a mechanical separation process. Thus, the risk of delamination of the molding compound from the semiconductor layer sequence during singulation can be reduced. Alternatively, however, a mechanical
- the semiconductor layer sequence 20 and the molding compound 50 are in singling the composite 30 in particular in a
- Extension of the shaped body to be smaller than the lateral extent of the associated semiconductor body, in particular along the entire circumference of the semiconductor body.
- the molding compound can be removed less strongly in the lateral direction than the material of
- the molding compound can project over the semiconductor body in a lateral direction in places or along the entire circumference, but expediently by at most 20 ⁇ m.
- the shaped bodies 5 and the associated semiconductor bodies 2 can also terminate flush exactly or almost exactly, for example with a deviation of at most 2 ⁇ m.
- Each shaped body 5 is assigned a semiconductor body 2.
- Semiconductor layer sequence may optionally, as shown in Figure IC, a structuring 27 for improved
- Radiation coupling or radiation decoupling are formed.
- Semiconductor device forms a housing part, that is already applied to the semiconductor layer sequence 20.
- molding compound can thus already serve to mechanically stabilize the composite in semiconductor bodies.
- the reliability of the manufacturing process can be increased.
- any two sub-regions of the semiconductor layer sequence 20 are located during the unification of the composite-apart from changes in length due to thermal expansion
- Shaped bodies 5 are formed to form a further composite 35 with a further molding compound 550 (FIG. 1D).
- a center distance 25 between adjacent semiconductor bodies 2 can be increased by an expansion factor.
- the expansion factor can be selected within wide limits. The larger the expansion factor, the larger are the subsequently produced semiconductor components in their lateral extent relative to the lateral one Expansion of the semiconductor body 2. For example, the expansion factor is between 1.1 and
- the moldings 5 can be arranged, for example, on a stretchable auxiliary carrier, which is expanded prior to the application of the further molding compound (for simplified
- the additional molding compound 550 fills in particular the
- the further molding compound 550 is applied in such a way that it covers the molded bodies 5 on the side of the molded bodies 5 facing away from the semiconductor bodies 2.
- remote side of the semiconductor body 2 remains free of the further molding compound.
- connection surfaces 4 can be of the
- Molding compound 50 but also already exposed before the additional molding compound 550 is applied. In a further step, if necessary, only the further molding material removed to be freed from the molding compound 50
- connection surfaces 4 are preferably carried out by a full surface material removal, for example in a mechanical process, such as by grinding.
- contacts 6 are formed on the further composite, which are each electrically conductively connected to one of the pads 4.
- the contacts 6 are arranged symmetrically with respect to the semiconductor bodies 2.
- an asymmetrical arrangement of the contacts relative to the semiconductor bodies 2 is also conceivable.
- the further composite 35 is singulated into the semiconductor components 1.
- the additional molding compound 550 in the vertical direction is singulated into the semiconductor components 1.
- each semiconductor device 1 has a further molded body 55, which emerges from the further molding compound 550.
- the resulting during cutting surfaces form the side surfaces 15 of the isolated
- the side surfaces 15 can therefore be characteristic of the severing process
- saw marks or grinding marks or traces of material removal by means of coherent radiation For example, saw marks or grinding marks or traces of material removal by means of coherent radiation.
- an optical element or a plurality of optical elements can each be applied to the semiconductor components 1.
- the optical element can be provided for shaping the spatial and / or the spectral emission characteristic.
- the optical element for complete or partial radiation conversion of the radiation generated in the semiconductor body 2 is provided.
- the optical elements when applied to the further composite 35 can be present in an optical composite from which the optical elements emerge when the further composite is severed.
- the severing of the optical composite and the further molding compound can be carried out in particular in a common step.
- the optical elements when applied to the further composite 35 can be present in an optical composite from which the optical elements emerge when the further composite is severed.
- FIGS. 2A to 2C A further exemplary embodiment of a method for producing optoelectronic semiconductor components is shown in FIGS. 2A to 2C. Here corresponds to the in
- FIG. 2A shows the intermediate stage of the previous stage described with reference to FIG. 1B
- Embodiment In contrast to the above-described embodiment, the molding compound 50 are thinned and the contacts 6 applied before a singulation of the composite 30 takes place. This is shown in FIG. 2B.
- the composite is singulated into a plurality of semiconductor components 1 (FIG. 2C).
- FIG. 2C corresponds to the center distance of the resulting in the singling semiconductor body 2 of
- Semiconductor components is therefore equal to or at most slightly larger than the extent of the semiconductor body along the same lateral direction.
- Such Semiconductor devices with packaged semiconductor bodies, wherein the semiconductor components have substantially the size of the semiconductor body are also referred to as CSP (chip size package) components.
- the method described results in a universal process chain which, independently of the lateral extent of the resulting semiconductor components, uses substantially the same characteristic process steps relative to the lateral extent of the semiconductor bodies.
- the center spacing of adjacent semiconductor bodies may or may not be increased by an expansion factor during manufacture.
- the semiconductor bodies 2 already provided with the molding compound 50 can be subjected to a binning process, in particular before the further composite 35 is formed. For example, it can be ensured that all semiconductor bodies 2 in the further composite 35 of a predetermined spectral
- Optoelectronic semiconductor component 1 has a semiconductor body 2 provided for generating and / or receiving radiation and a radiation passage area 10.
- the semiconductor device has on the
- Semiconductor body is further arranged a shaped body 5, which is adjacent to the semiconductor body 2 and to the pads 4.
- the semiconductor component further has a further shaped body 55, which has a lateral surface 15 of the semiconductor device which delimits the semiconductor component in the lateral direction
- the further molded body is adjacent in places to the molded body 5 and to the semiconductor body 2.
- the further shaped body 55 rotates around the shaped body 5 along the entire circumference of the body
- Shaped body 5 thus at no point on the side surface of the semiconductor device 1 out.
- the semiconductor device 1 is as a
- semiconductor device 1 may also have only one contact or more than two contacts on the rear side.
- the semiconductor device 1 further comprises an optical element 8.
- the optical element such as in the form of a lens, serves for radiation shaping.
- Radiation conversion serve to be generated in the semiconductor body 2 and / or radiation to be received.
- the optical element 8 and the further shaped body 55 can be flush in the lateral direction.
- the manufacture of the optoelectronic semiconductor component 1 is thereby simplified.
- An optical path between the semiconductor body 2 and the radiation passage area 10 of the semiconductor component 1 is free of material of the molded body 5 and of the further molded body 55.
- the molded body 5 and the further molded body 55 can therefore be impermeable to the radiation generated or to be received in the semiconductor body during operation.
- the shaped body and / or the further shaped body can be designed to be reflective for the radiation, for example with a reflectivity of at least 60%.
- the shaped body and / or the further shaped body contain the reflectivity-increasing particles, for example
- the shaped body 5 and the semiconductor body 2 terminate flush in the lateral direction, in particular along the entire circumference of the semiconductor body 2.
- the shaped body 5 can also be smaller than the semiconductor body 2 or project slightly beyond the semiconductor body, for example by at most 20 ⁇ m.
- the contacts 6 overlap with the molded body 5 and the further molded body 55.
- the contacts 6 may protrude above the semiconductor body 2 in particular in a lateral direction.
- Semiconductor device 1 takes place from the rear side 19 by means of the contacts 6, which are connected via the connection surfaces 4 with the semiconductor body 2. For the electrical contacting of the semiconductor body 2 so no
- shading elements on the radiation passage area 10 required. In a designed as a surface emitter semiconductor device 1 could such shading Elements lead to impairment of the emission. Furthermore, for the electrical contacting of the semiconductor body 2 with the contacts 6 of the semiconductor device no
- FIG. 3B shows a perspective view of a further exemplary embodiment of a semiconductor component 1. This further embodiment can in
- the semiconductor component 1 has an electronic component 7, which in the other
- Molded body 55 is embedded.
- the electronic component 7 is an ESD protection element
- FIG. 3B shows, by means of the described
- Semiconductor devices 1 are produced in which the semiconductor body 2 is not arranged centrally in the semiconductor device 1 with respect to the lateral direction.
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Computer Hardware Design (AREA)
- Manufacturing & Machinery (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Led Device Packages (AREA)
- Encapsulation Of And Coatings For Semiconductor Or Solid State Devices (AREA)
- Dicing (AREA)
- Light Receiving Elements (AREA)
- Laser Beam Processing (AREA)
- Structures Or Materials For Encapsulating Or Coating Semiconductor Devices Or Solid State Devices (AREA)
Abstract
Description
Claims
Priority Applications (5)
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JP2017537370A JP6824172B2 (ja) | 2015-01-15 | 2016-01-13 | 複数のオプトエレクトロニクス半導体素子を製造する方法およびオプトエレクトロニクス半導体素子 |
US15/542,150 US10361345B2 (en) | 2015-01-15 | 2016-01-13 | Method of producing a plurality of optoelectronic semiconductor components and optoelectronic semiconductor component |
DE112016000360.9T DE112016000360B4 (de) | 2015-01-15 | 2016-01-13 | Verfahren zur Herstellung einer Mehrzahl von optoelektronischen Halbleiterbauelementen und optoelektronisches Halbleiterbauelement |
CN201680005873.9A CN107112386B (zh) | 2015-01-15 | 2016-01-13 | 用于制造大量光电子半导体器件的方法以及光电子半导体器件 |
KR1020177020584A KR102512433B1 (ko) | 2015-01-15 | 2016-01-13 | 다수의 광전자 반도체 컴포넌트를 제조하기 위한 방법 및 광전자 반도체 컴포넌트 |
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DE102015100575.1A DE102015100575A1 (de) | 2015-01-15 | 2015-01-15 | Verfahren zur Herstellung einer Mehrzahl von optoelektronischen Halbleiterbauelementen und optoelektronisches Halbleiterbauelement |
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US (1) | US10361345B2 (de) |
JP (1) | JP6824172B2 (de) |
KR (1) | KR102512433B1 (de) |
CN (1) | CN107112386B (de) |
DE (2) | DE102015100575A1 (de) |
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DE102015100575A1 (de) | 2015-01-15 | 2016-07-21 | Osram Opto Semiconductors Gmbh | Verfahren zur Herstellung einer Mehrzahl von optoelektronischen Halbleiterbauelementen und optoelektronisches Halbleiterbauelement |
JP7082279B2 (ja) | 2018-03-29 | 2022-06-08 | 日亜化学工業株式会社 | 発光装置およびその製造方法 |
TWI729389B (zh) * | 2019-05-07 | 2021-06-01 | 錼創顯示科技股份有限公司 | 微型元件 |
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-
2015
- 2015-01-15 DE DE102015100575.1A patent/DE102015100575A1/de not_active Withdrawn
-
2016
- 2016-01-13 US US15/542,150 patent/US10361345B2/en active Active
- 2016-01-13 CN CN201680005873.9A patent/CN107112386B/zh active Active
- 2016-01-13 KR KR1020177020584A patent/KR102512433B1/ko active IP Right Grant
- 2016-01-13 JP JP2017537370A patent/JP6824172B2/ja active Active
- 2016-01-13 DE DE112016000360.9T patent/DE112016000360B4/de active Active
- 2016-01-13 WO PCT/EP2016/050579 patent/WO2016113314A1/de active Application Filing
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JP2010177225A (ja) * | 2009-01-27 | 2010-08-12 | Citizen Electronics Co Ltd | 表面実装型発光素子の製造方法 |
EP2506322A2 (de) * | 2011-03-28 | 2012-10-03 | Nitto Denko Corporation | Herstellungsverfahren für LED-Vorrichtung und LED-Element |
US20130146933A1 (en) * | 2011-12-07 | 2013-06-13 | Keisuke UNOSAWA | Semiconductor light-emitting device and method of forming the same |
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Also Published As
Publication number | Publication date |
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KR102512433B1 (ko) | 2023-03-20 |
JP6824172B2 (ja) | 2021-02-03 |
KR20170106347A (ko) | 2017-09-20 |
DE102015100575A1 (de) | 2016-07-21 |
JP2018508984A (ja) | 2018-03-29 |
US20180269364A1 (en) | 2018-09-20 |
US10361345B2 (en) | 2019-07-23 |
CN107112386A (zh) | 2017-08-29 |
DE112016000360B4 (de) | 2022-02-17 |
CN107112386B (zh) | 2019-10-29 |
DE112016000360A5 (de) | 2017-10-05 |
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