WO2014166764A1 - Optoelektronischer halbleiterchip und verfahren zu seiner herstellung - Google Patents
Optoelektronischer halbleiterchip und verfahren zu seiner herstellung Download PDFInfo
- Publication number
- WO2014166764A1 WO2014166764A1 PCT/EP2014/056328 EP2014056328W WO2014166764A1 WO 2014166764 A1 WO2014166764 A1 WO 2014166764A1 EP 2014056328 W EP2014056328 W EP 2014056328W WO 2014166764 A1 WO2014166764 A1 WO 2014166764A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- layer
- semiconductor chip
- optoelectronic semiconductor
- sub
- partial
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
- H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
- H10H20/01—Manufacture or treatment
- H10H20/011—Manufacture or treatment of bodies, e.g. forming semiconductor layers
- H10H20/013—Manufacture or treatment of bodies, e.g. forming semiconductor layers having light-emitting regions comprising only Group III-V materials
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
- H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
- H10H20/01—Manufacture or treatment
- H10H20/011—Manufacture or treatment of bodies, e.g. forming semiconductor layers
- H10H20/013—Manufacture or treatment of bodies, e.g. forming semiconductor layers having light-emitting regions comprising only Group III-V materials
- H10H20/0133—Manufacture or treatment of bodies, e.g. forming semiconductor layers having light-emitting regions comprising only Group III-V materials with a substrate not being Group III-V materials
- H10H20/01335—Manufacture or treatment of bodies, e.g. forming semiconductor layers having light-emitting regions comprising only Group III-V materials with a substrate not being Group III-V materials the light-emitting regions comprising nitride materials
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
- H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
- H10H20/80—Constructional details
- H10H20/81—Bodies
- H10H20/811—Bodies having quantum effect structures or superlattices, e.g. tunnel junctions
- H10H20/812—Bodies having quantum effect structures or superlattices, e.g. tunnel junctions within the light-emitting regions, e.g. having quantum confinement structures
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
- H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
- H10H20/80—Constructional details
- H10H20/81—Bodies
- H10H20/819—Bodies characterised by their shape, e.g. curved or truncated substrates
- H10H20/821—Bodies characterised by their shape, e.g. curved or truncated substrates of the light-emitting regions, e.g. non-planar junctions
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
- H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
- H10H20/80—Constructional details
- H10H20/81—Bodies
- H10H20/8215—Bodies characterised by crystalline imperfections, e.g. dislocations; characterised by the distribution of dopants, e.g. delta-doping
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
- H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
- H10H20/80—Constructional details
- H10H20/81—Bodies
- H10H20/822—Materials of the light-emitting regions
- H10H20/824—Materials of the light-emitting regions comprising only Group III-V materials, e.g. GaP
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
- H10P14/00—Formation of materials, e.g. in the shape of layers or pillars
- H10P14/20—Formation of materials, e.g. in the shape of layers or pillars of semiconductor materials
- H10P14/29—Formation of materials, e.g. in the shape of layers or pillars of semiconductor materials characterised by the substrates
- H10P14/2901—Materials
- H10P14/2921—Materials being crystalline insulating materials
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
- H10P14/00—Formation of materials, e.g. in the shape of layers or pillars
- H10P14/20—Formation of materials, e.g. in the shape of layers or pillars of semiconductor materials
- H10P14/32—Formation of materials, e.g. in the shape of layers or pillars of semiconductor materials characterised by intermediate layers between substrates and deposited layers
- H10P14/3202—Materials thereof
- H10P14/3214—Materials thereof being Group IIIA-VA semiconductors
- H10P14/3216—Nitrides
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
- H10P14/00—Formation of materials, e.g. in the shape of layers or pillars
- H10P14/20—Formation of materials, e.g. in the shape of layers or pillars of semiconductor materials
- H10P14/32—Formation of materials, e.g. in the shape of layers or pillars of semiconductor materials characterised by intermediate layers between substrates and deposited layers
- H10P14/3242—Structure
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
- H10P14/00—Formation of materials, e.g. in the shape of layers or pillars
- H10P14/20—Formation of materials, e.g. in the shape of layers or pillars of semiconductor materials
- H10P14/32—Formation of materials, e.g. in the shape of layers or pillars of semiconductor materials characterised by intermediate layers between substrates and deposited layers
- H10P14/3242—Structure
- H10P14/3244—Layer structure
- H10P14/3251—Layer structure consisting of three or more layers
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
- H10P14/00—Formation of materials, e.g. in the shape of layers or pillars
- H10P14/20—Formation of materials, e.g. in the shape of layers or pillars of semiconductor materials
- H10P14/34—Deposited materials, e.g. layers
- H10P14/3402—Deposited materials, e.g. layers characterised by the chemical composition
- H10P14/3414—Deposited materials, e.g. layers characterised by the chemical composition being group IIIA-VIA materials
- H10P14/3416—Nitrides
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
- H10P14/00—Formation of materials, e.g. in the shape of layers or pillars
- H10P14/20—Formation of materials, e.g. in the shape of layers or pillars of semiconductor materials
- H10P14/36—Formation of materials, e.g. in the shape of layers or pillars of semiconductor materials characterised by treatments done before the formation of the materials
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
- H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
- H10H20/80—Constructional details
- H10H20/81—Bodies
- H10H20/822—Materials of the light-emitting regions
- H10H20/824—Materials of the light-emitting regions comprising only Group III-V materials, e.g. GaP
- H10H20/825—Materials of the light-emitting regions comprising only Group III-V materials, e.g. GaP containing nitrogen, e.g. GaN
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W90/00—Package configurations
Definitions
- the present invention relates to a method for herstel ⁇ len an optoelectronic semiconductor chip according to claim 1 as well as an optoelectronic semiconductor chip according to claim. 9
- Nitrid Halbleiterchips such as optoelectronic Nitridschreibleiterchips, already very small electrostatic discharge (ESD) permanently interred geC ⁇ or can be destroyed. If in manufacturing such semiconductor chips, a sapphire substrate having ver ⁇ turns, a crystal with a high dislocation density produced during epitaxial growth of a nitride semiconductor layer sequence. These dislocations act as leakage current paths through which leakage currents flow in the event of an ESD load, which can lead to damage or destruction of the nitride semiconductor chip.
- ESD electrostatic discharge
- micro-diodes to provide protection against damage caused by electrostatic discharges.
- the microdiodes are formed by V defects arranged in an active layer of the semiconductor layer sequence.
- the V defects are generated by choosing suitable growth parameters during the epitaxial growth of the semiconductor layer sequence. However, this also leads to a reduction of the crystal quality in areas of the active layer arranged outside the V defects, which can result in a reduced light output in the case of a light-emitting diode semiconductor chip.
- An object of the present invention is to specify a method for producing an optoelectronic semiconductor chip. Another object of the present invention is to provide an optoelectronic semiconductor chip.
- V defects can be generated without having to change the growth conditions for the production.
- Specially selected growth conditions serve only to preserve the V defects. Since it is not necessary to adapt the growth conditions to the generation of the V defects, the growth of epitaxial layers having a high crystalline quality containing V defects is possible. This enables the production of ESD-stable semiconductor chips without simultaneous loss of brightness or a reduction in the light output due to crystal defects.
- a method of manufacturing an opto-electronic semi-conductor chips comprising the steps of providing a sub ⁇ strats, for growing a first layer, performing an etching process to create V-defects, on the growth of a second layer, and growing a quantum well structure.
- the first and second layers may Schich- th of a nitride compound semiconductor material, as in ⁇ play InGaN include.
- this method makes it possible to produce an optoelectronic semiconductor chip in whose quantum film structure V defects are embedded. These V defects can act as ESD protection diodes connected in parallel as the quantum film structure.
- the growth of the first layer comprises growing at least a first partial layer and a second partial layer.
- the first sublayer to another proportion of aluminum and / or egg ⁇ NEN other indium fraction than the second sublayer.
- the first layer allows for V-defect build-up to continue through the second layer and the quantum well structure during further growth. The subdivision of the first layer into a first sub-layer and a second sub-layer allows precise control over an indium content and / or an aluminum content and / or a doping and / or further properties of the first layer.
- the growth of the layers can be carried out in an epitaxial system by means of, for example, MOVPE at a given reactor temperature with the addition of precursor gases such as, for example, trimethylgallium, triethylgallium, ammonia and / or hydrogen.
- precursor gases such as, for example, trimethylgallium, triethylgallium, ammonia and / or hydrogen.
- the growth of the second layer can be effected by means of kal ⁇ tem growth.
- the reactor temperature during the growth of the second layer may be at least 50 K, preferably at least 100 K and more preferably at least 200 K, lower than the reactor temperature during the growth of the first layer.
- the reac ⁇ tortemperatur is we ⁇ tendonss 700 ° C to at most 900 ° C during growth of the second layer.
- the reactor temperature in the range between at least 700 ° C and at most 1100 ° C, preferably in a Be ⁇ range of at least 900 ° C to at most 1100 ° C, elected ⁇ who.
- the first layer may thus be ge ⁇ grown by hot growth.
- the method it is thus possible to grow the first layer with a smoothing hot growth, which is carried out at a reactor temperature of at least 900 ° C.
- a hot growth in particular, a good crystalline quality of the grown up Layers result.
- the special growth conditions of the second layer merely serve to preserve the V defects, but are not necessary for their production.
- the generation of the V defects takes place by means of the etching method described here.
- the first part ⁇ layer is grown with a first indium portion and the second part ⁇ layer with a second indium portion.
- the first indium content is at least as large as the second indium content.
- a plurality of first partial layers and second partial layers are respectively grown alternately.
- an opening in at least one first partial layer is produced during the etching process ⁇ .
- material of the second layer can be deposited in the opening of the first partial layer, whereby a V defect produced in the first layer continues into the second layer and the quantum well structure. Be ⁇ vorzugt the opening may at least penetrate a first partial layer completely.
- the etching process is performed within an epitaxial growth system.
- Advantageously ⁇ example is for carrying out the etching process, thus no removal of the layer sequence of the opto-electronic semi-conductor chips from the epitaxy installation required, making the process is quick and inexpensive to perform. Except the ⁇ a with a removal of the epitaxial system, a reciprocating ⁇ risk of pollution or damage to the Layer sequence of the optoelectronic semiconductor chips avoided before ⁇ geous legally.
- the etching within an epitaxial system can be carried out, for example, by means of back etching in the reactor system.
- the gallium feed ie the supply of trimethyl and / or triethylgallium
- the supply of hydrogen can be increased and / or the supply of ammonia can be reduced.
- a rate of incorporation of the layers ie the rate of layer growth
- a decomposition rate of the layers ie the rate of layer dissolution during growth, predominates, for example by reactions with hydrogen, and thus becomes negative Growth rate results.
- ⁇ carries the rate of incorporation during the normal layer-growth 2 nm to 100 nm per minute, while the decomposition rate ⁇ wears during normal layer growth than 1 nm per minute BE, whereby in a normal layer growth net positive growth rate results.
- the incorporation rate is lower than the decomposition rate, resulting in a net negative growth rate, ie an etching process.
- the process of growth is interrupted during the etching process ⁇ .
- the epitaxy system is supplied with hydrogen during the etching process. Before ⁇ geous proving to hydrogen is suitable for abutment of V defects in the previously grown first layer. The supply of hydrogen can lead to the re-etching described above.
- the etching process is performed outside of an epitaxial growth system.
- the etching process can thereby be carried out, for example, in a specialized etching system, which enables a particularly precise controllability of the etching conditions.
- the etching process may be a wet-chemical Etching process, for example with phosphoric acid, or a tro ⁇ ckenchemischen etching process, for example, a plasma, act.
- An optoelectronic semiconductor chip comprises a first
- the first layer comprises at least a first partial layer and a second partial layer.
- the first part layer has a different Alumi ⁇ nium component and / or a different indium fraction than the second sublayer.
- the semiconductor chip on Minim ⁇ least a V-defect, which extends at least through parts of the first layer, the second layer and the Quantenfilmstruk- structure.
- at least a first partial layer in the region of the V defect is broken through.
- At least a first partial layer may in particular be fully ⁇ constantly broken through in the area of the V-defect.
- the V-defect affects this optoelectronic rule ⁇ semiconductor chip than the quantum film structure in parallel protection diode, which prevents damage to the optoelekt ⁇ tronic semiconductor chips from electrostatic discharges.
- the layers of the optoelectronic semiconductor chip can have a high crystal quality, as a result of which a high light output can be achieved with the optoelectronic semiconductor chip.
- the first partial layer has a first indium component and the second partial layer has a second indium component.
- the first indium content is at least as large as the second indium content.
- the subdivision of the first layer into the first sublayer and the second sublayer advantageously allows precise control over an indium portion of the first layer.
- the first indium content is between 0% and 12%, preferably between 1% and 3%. In particular, the first indium content may be about 2%.
- an optoelectronic semiconductor chip may have a particularly favorable crystal Quali ty ⁇ with a first indium fraction of that size.
- optoelectronic semiconductor chips of the second indium content is at most 6% and BE ⁇ vorzugt 0%.
- an optoelectronic ⁇ shear semiconductor chip may have a particularly favorable crystal quality with a second indium fraction of that size.
- the optoelectronic semiconductor chip to follow a plurality of first sub-layers and second sub ⁇ layers alternately stacked. Tests have shown that an increase in the number of sub-layers of the first layer made a particularly advantageous crystal quality ⁇ light.
- the first layer comprises between 2 and 100 partial layers, preferably about 20 first partial layers.
- the first layer has a doping with a mean ⁇ doping degree between 0 and 1 ⁇ 10 A 19 per cubic centimeter, preferably a doping with a mean degree of doping between 2 ⁇ 10 A 18 per cubic centimeter and 6 ⁇ 10 A. 18 per cubic centimeter.
- these values have proven favorable in experiments.
- the second partial layers have a doping, while the first partial layers have no or only a small doping.
- the first partial layers have no or only a small doping.
- the optoelectronic semiconductor chip at least two first partial layers have dopants with different degrees of doping.
- the doping level of the first layer in this opto ⁇ electronic semiconductor chip varies in the growth direction.
- the optoelectronic semiconductor chips have successive first sub-layers in Rich ⁇ tung the second layer on decreasing Dotiergrade.
- Advantage ⁇ way legally has such a doping profile in tests proved to be favorable.
- the second layer has a thickness between 1 nm and 120 nm, preferably a thickness between 10 nm and 30 nm, more preferably a thickness between 15 nm and 25 nm. In ⁇ game as the thickness of the second layer may be about 20 nm be ⁇ wear. Experiments have shown that a second layer having such a thickness may be suitable to compensate Chen introduced during a ⁇ tzpro ⁇ zesses in the first layer defects without first in the during the etching process
- each first partial layer has a thickness between 0.5 nm and 10 nm.
- every second sub-layer has a thickness between 0.5 nm and 30 nm.
- each first sub-layer may have a thickness of about 2 nm, while each second sub-layer has a thickness of about 4 nm.
- such layer thicknesses in Versu ⁇ chen have proven to be favorable.
- FIG. 1 shows a time-dependent growth diagram of a method for producing an optoelectronic semiconductor chip
- FIG. 2 shows a schematic representation of a layer structure of an optoelectronic semiconductor chip.
- FIG. 1 shows a schematic diagram of a growth diagram 100 for explaining a method 10 for producing an optoelectronic semiconductor chip 20.
- FIG. 2 shows a highly schematic representation of a layer structure 200 of the optoelectronic semiconductor chip 20 that can be produced with the production method 10 shown in FIG .
- the optoelectronic semiconductor chip 20 may, for example, be a light-emitting diode chip (LED chip).
- the layer structure 200 of the optoelectronic semiconductor chip 20 includes Schich ⁇ th of a nitride compound semiconductor material.
- the nitride compound semiconductor material may be, for example, InGaN.
- the layer structure 200 is produced by epitaxial growth and an etching process. Is a timing of Her ⁇ approval process 10 is shown in growth graph 100 of FIG. 1 On a horizontal axis of the growth diagram 100, a progressive time 110 is shown. On a vertical axis of the growth diagram 100, an indium concentration 120 is plotted, which is in a for set time 110 in an epitaxy grown up layer of the layer structure 200.
- the production process 10 begins with providing a substrate 210.
- the substrate 210 may, for example Sa ⁇ phir.
- Kgs ⁇ NEN already one or more layers are applied on the surface of the substrate 210th
- the n-doped layer 220 has a second indium concentration 122.
- the second indium concentration 122 is preferably at most 6% and may be, for example, the value 0.
- the n-doped layer 220 may include, for example, GaN without indium content.
- the n-doped layer 220 is applied with an n-doping.
- a first layer 230 is grown.
- the first layer 230 be ⁇ vorzugt is constructed 240 and second sub-layers 250 of a plurality of first sub-layers, which in each case follow one another alternately.
- the second time period 112 initially includes a first portion 113 ⁇ period during which a first partial layer is grown on ⁇ 240th This is followed by a second sub-period 114 during which a second sub-layer 250 is grown. Then, in turn, followed by a first sub-period 113, during which a further first sub-layer 240 will be monitored ⁇ sen.
- the first layer 230 may comprise between one and, for example, one hundred first sub-layers 240 and correspondingly many second sub-layers 250.
- the ers ⁇ th layer 230 includes twenty first sub-layers 240 and twenty second sublayers 250.
- the second period 112 corresponding to today includes many alternating first sub-periods 113 and second sub-periods 114th
- the first partial layers 240 are preferably grown with a first indium concentration 121.
- the second sub-layers 250 are then grown with the second indium concentration 122.
- the first indium 121 is preferably at least as large as the second Indiumkonzentra ⁇ tion 122.
- the first indium 121 is preferably between 0% and 12%.
- the first indium concentration 121 in the first partial layers 240 is between 1% and 3%.
- the first Indiumkon ⁇ concentration may be about 2% in the first sub-layers 240,121.
- the second indium concentration 122 in the second partial layers 250 is preferably again at most 6%, particularly preferably at about 0%.
- first partial layers 240 do not differ from the second partial layers 250 by a differing indium concentration 121, 122, but rather by a differing aluminum concentration.
- the aluminum concentration can be between 0% and 30% in the first partial layers 240 and the second partial layers 250.
- the aluminum concentration in the first partial layers 240 and the second partial layers 250 is preferably 0%.
- the first partial layers 240 and the second partial layers 250 to have indium concentrations 121, 122 deviating from each other as well as differing aluminum concentrations.
- the first layer 230 preferably has a doping with egg ⁇ nem average doping level between 0 and 1 ⁇ 10 A 19 per cubic centimeter. Particularly preferably, the first layer 230 has a doping with an average doping level of between 2 ⁇ 10 A 18 per cubic centimeter and 6 ⁇ 10 A 18 per cubic centimeter. For example, the average doping level ⁇ be about 4 ⁇ 10 A 18 per cubic centimeter.
- the first layer 230 can be uniformly doped over its entire thickness in the growth direction. However, the degree of doping of the first layer 230 may also vary in the direction of growth of the first layer 230. In the growth direction of the first layer 230 to layer sections may alternate we ⁇ niger nanometers in area, doped and undo ⁇ oriented with respective thicknesses.
- the first layer 230 is modulation doped.
- the first sub-layers 240 of the first layer 230 undoped or low doped Do ⁇ animal degree.
- the second partial layers 250 of the first layer 230 have a doping with silicon.
- successive second partial layers 250 of the first layer 230 may have dopants with different degrees of doping.
- the degree of doping of the second partial layers 250 of the first layer 230 preferably decreases with increasing distance from the n-doped layer 220, that is, with the passage of the second period 112.
- An inverted doping profile is also possible in which the second partial layers 250 are lightly doped or undoped and the first partial layers 240 have a higher doping level.
- the first partial layers 240 each have a first partial layer thickness 241 in the growth direction.
- the second part ⁇ layers 250 of the first layer 230 have in the growth direction in each case a second partial layer thickness of 251.
- the first partial layer thickness 241 may be between 0.5 nm and 10 nm.
- the second partial layer thickness 251 can be between 0.5 nm and 20 nm.
- the first Moletzdi ⁇ bridge 241 about 2 nm and the second sub-layer thickness 251 be about 4 nm.
- the first layer 230 has, in the growth direction, a total of a first layer thickness 231, which consists of a multiplication of the sum of first partial layer thickness 241 and second partial layer thickness 251 with the number of repetitions of first partial layer 240 and second partial layer 250.
- V-defects are defects that may, for example, have the shape of an open, growth-inverted pyramid with, for example, hexagonal base area in nitride compound semiconductor material.
- a V defect 290 thus has the shape of a Vs opening in the growth direction.
- V defects can be applied during epitaxial growth by choosing specific growth parameters, in particular a specific growth temperature.
- these particular growth parameters can reduce a crystal quality of a grown during epitaxial wax ⁇ tums crystal.
- the production method 10 for producing the layer structure 200 therefore provides for producing the V defects 290 only after the growth of the first layer 230 by means of an etching process. This has the advantage that the remaining defects between the V-regions 290 of the first layer 230 can be created with a higher Kristallqua ⁇ formality.
- the Oberflä ⁇ che the first layer 230 may be morphologically smooth.
- thread dislocations 291 may have formed in the n-doped layer 220 in the direction of growth. These yarn displacements 291 continue during the epitaxial growth of the first layer 230 in the second period 112 through the first layer 230.
- the third period 115 V defects 290 formed by the etching process are preferably formed on such thread dislocations 291.
- the etching process during the third period 115 may occur in the epitaxial growth system in which the first layer 230 has also been grown.
- the epitaxial plant can be supplied at ⁇ play, hydrogen.
- the epi ⁇ tactical growth is interrupted in the epitaxial growth.
- the etching process during the third period 115 may be performed outside the epitaxy equipment.
- the created by the etching process during the third time period 115 V defects 290 may have a defined size and egg ⁇ ne homogeneous size distribution.
- a second layer 260 is epitaxially grown on ⁇ .
- the second layer 260 serves to space the subsequently grown quantum well structure from the processed first layer 230.
- the second layer 260 is preferably grown with the second indium ⁇ concentration 122, so that represents only a low indium content of between 0% and 6%, particularly preferably an indium fraction of 0 "6 / ⁇ in the second layer 260th
- the second layer 260 is applied with a second layer thickness 261 in the growth direction.
- the second layer thickness 261 is preferably between 1 nm and 120 nm. Particularly be ⁇ vorzugt is the second layer thickness 261 of between 10 nm and 30 nm. In particular, the second layer thickness 261 may be between 15 nm and 25 nm.
- the second indium ⁇ concentration 122 so that represents only a low indium content of between 0% and 6%, particularly preferably an indium fraction of 0 "6 / ⁇ in the second layer 260th
- the second layer 260 is applied with a second layer thickness 261 in the growth direction.
- the second layer thickness 261 is preferably between 1 nm and 120 nm. Particularly be
- Layer thickness 261 of the second layer 260 20 nm.
- the second layer 260 is also grown in the region of the V defects 290. As a result, the V defects 290 from the first layer 230 continue through the second layer 260.
- a quantum well structure 270 is grown.
- the quantum well structure 270 forms an active layer of the layer structure 200 of the optoelectronic semiconductor chip 20.
- the quantum well structure 270 partly includes in the growth direction off successive quantum wells 271 and barriers 272.
- the quantum structure 270 may, for example, 1 to 20 quantum wells 271, preferably 3-10 Quan ⁇ tenfilme 271, particularly preferably 6 quantum wells 271, and ei ⁇ ne corresponding Number of barriers 272 have.
- the quantum wells 271 of the quantum well structure 270 are preferably grown with a third indium concentration 123 that is higher than the first indium concentration 121.
- the barriers 272 are preferably grown with the second indium concentration 122.
- the barriers 272 preferably have only a small indium content of at most 6% or no indium content at all.
- the sublayers 271, 272 of the quantum well structure 270 are also grown in the region of the V defects 290 during the growth of the quantum well structure 270, as a result of which the V defects 290 continue through the quantum well structure 270.
- the V defects 290 form on Known manner micro-diodes, which serve to protect the optoelectronic semiconductor chip 20 from damage by an electrostatic discharge.
- a p-doped layer 280 may subsequently be grown on the quantum-film structure 270 of the layer structure 200 of the optoelectronic semiconductor chip 20.
Landscapes
- Led Devices (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
Abstract
Description
Claims
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201480020969.3A CN105122473B (zh) | 2013-04-10 | 2014-03-28 | 光电子半导体芯片及其制造方法 |
| JP2016506846A JP6218920B2 (ja) | 2013-04-10 | 2014-03-28 | オプトエレクトロニクス半導体チップ及びその製造方法 |
| DE112014001924.0T DE112014001924B4 (de) | 2013-04-10 | 2014-03-28 | Optoelektronischer Halbleiterchip und Verfahren zu seiner Herstellung |
| US14/780,982 US10475951B2 (en) | 2013-04-10 | 2014-03-28 | Optoelectronic semiconductor chip and method for the production thereof |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102013103602.3 | 2013-04-10 | ||
| DE102013103602.3A DE102013103602A1 (de) | 2013-04-10 | 2013-04-10 | Optoelektronischer Halbleiterchip und Verfahren zu seiner Herstellung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2014166764A1 true WO2014166764A1 (de) | 2014-10-16 |
Family
ID=50389445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/EP2014/056328 Ceased WO2014166764A1 (de) | 2013-04-10 | 2014-03-28 | Optoelektronischer halbleiterchip und verfahren zu seiner herstellung |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US10475951B2 (de) |
| JP (2) | JP6218920B2 (de) |
| CN (1) | CN105122473B (de) |
| DE (2) | DE102013103602A1 (de) |
| TW (1) | TWI524554B (de) |
| WO (1) | WO2014166764A1 (de) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105161577A (zh) * | 2015-08-11 | 2015-12-16 | 厦门市三安光电科技有限公司 | 发光二极管制作方法 |
| JP2019519101A (ja) * | 2016-05-20 | 2019-07-04 | オスラム オプト セミコンダクターズ ゲゼルシャフト ミット ベシュレンクテル ハフツングOsram Opto Semiconductors GmbH | 改善された効率を有する部品およびその製造方法 |
| JP2019165236A (ja) * | 2015-03-26 | 2019-09-26 | オスラム オプト セミコンダクターズ ゲゼルシャフト ミット ベシュレンクテル ハフツングOsram Opto Semiconductors GmbH | オプトエレクトロニクス半導体エレメントとオプトエレクトロニクス半導体エレメントを製造する方法 |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102013103602A1 (de) | 2013-04-10 | 2014-10-16 | Osram Opto Semiconductors Gmbh | Optoelektronischer Halbleiterchip und Verfahren zu seiner Herstellung |
| DE102015112944A1 (de) * | 2015-08-06 | 2017-02-09 | Osram Opto Semiconductors Gmbh | Verfahren zur Herstellung eines Nitrid-Halbleiterbauelements und Nitrid-Halbleiterbauelement |
| DE102016103346B4 (de) | 2016-02-25 | 2025-04-30 | OSRAM Opto Semiconductors Gesellschaft mit beschränkter Haftung | Verfahren zur Herstellung eines strahlungsemittierenden Halbleiterchips |
| US11557695B2 (en) * | 2020-02-04 | 2023-01-17 | Seoul Viosys Co., Ltd. | Single chip multi band LED |
| US20240222938A1 (en) * | 2021-05-05 | 2024-07-04 | Nilt Switzerland Gmbh | Manufacturing of surface emitting lasers including an integrated metastructure |
| CN117672809A (zh) * | 2022-08-26 | 2024-03-08 | 苏州晶湛半导体有限公司 | 一种半导体结构 |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060246612A1 (en) * | 2005-04-29 | 2006-11-02 | Emerson David T | Light emitting devices with active layers that extend into opened pits |
| US20090014713A1 (en) * | 2007-07-12 | 2009-01-15 | Sang Won Kang | Nitride semiconductor light emitting device and fabrication method thereof |
| DE102009060750A1 (de) | 2009-12-30 | 2011-07-07 | OSRAM Opto Semiconductors GmbH, 93055 | Optoelektronischer Halbleiterchip und Verfahren zu dessen Herstellung |
| EP2398076A2 (de) * | 2010-06-21 | 2011-12-21 | LG Innotek Co., Ltd. | Lichtemittierende Vorrichtung, Herstellungsverfahren dafür, Gehäuse für lichtemittierende Vorrichtung und Beleuchtungssystem damit |
| US20120032137A1 (en) * | 2010-08-09 | 2012-02-09 | Micron Technology, Inc. | Solid state lighting devices with dielectric insulation and methods of manufacturing |
| US20130037779A1 (en) * | 2011-08-12 | 2013-02-14 | Sharp Kabushiki Kaisha | Nitride semiconductor light-emitting device and method for producing the same |
Family Cites Families (49)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US127402A (en) * | 1872-06-04 | Improvement in apparatus for burning hydrocarbon vapors | ||
| JPH07183618A (ja) | 1993-12-22 | 1995-07-21 | Ricoh Co Ltd | 半導体レーザ装置、半導体レーザ装置製造方法並びに集積型半導体レーザ装置 |
| US5814839A (en) * | 1995-02-16 | 1998-09-29 | Sharp Kabushiki Kaisha | Semiconductor light-emitting device having a current adjusting layer and a uneven shape light emitting region, and method for producing same |
| JP3594826B2 (ja) | 1999-02-09 | 2004-12-02 | パイオニア株式会社 | 窒化物半導体発光素子及びその製造方法 |
| JP2002026456A (ja) * | 2000-06-30 | 2002-01-25 | Toshiba Corp | 半導体装置、半導体レーザ及びその製造方法並びにエッチング方法 |
| JP4556300B2 (ja) * | 2000-07-18 | 2010-10-06 | ソニー株式会社 | 結晶成長方法 |
| AU2002219978A1 (en) * | 2000-11-30 | 2002-06-11 | Kyma Technologies, Inc. | Method and apparatus for producing miiin columns and miiin materials grown thereon |
| JP3909811B2 (ja) * | 2001-06-12 | 2007-04-25 | パイオニア株式会社 | 窒化物半導体素子及びその製造方法 |
| US9279193B2 (en) * | 2002-12-27 | 2016-03-08 | Momentive Performance Materials Inc. | Method of making a gallium nitride crystalline composition having a low dislocation density |
| TW587346B (en) * | 2003-03-28 | 2004-05-11 | United Epitaxy Co Ltd | Optoelectronic device made by semiconductor compound |
| JP4895587B2 (ja) * | 2005-11-29 | 2012-03-14 | ローム株式会社 | 窒化物半導体発光素子 |
| FR2898434B1 (fr) * | 2006-03-13 | 2008-05-23 | Centre Nat Rech Scient | Diode electroluminescente blanche monolithique |
| US7952109B2 (en) * | 2006-07-10 | 2011-05-31 | Alcatel-Lucent Usa Inc. | Light-emitting crystal structures |
| US7759689B2 (en) * | 2007-05-07 | 2010-07-20 | Avago Technologies Ecbu Ip (Singapore) Pte. Ltd. | Photonic crystal structures and methods of making and using photonic crystal structures |
| TWI425558B (zh) * | 2008-08-11 | 2014-02-01 | 台灣積體電路製造股份有限公司 | 形成電路結構的方法 |
| KR101101135B1 (ko) * | 2008-10-01 | 2012-01-05 | 삼성엘이디 주식회사 | 액정고분자를 이용한 발광다이오드 패키지 |
| KR101629733B1 (ko) * | 2008-11-14 | 2016-06-21 | 소이텍 | 반도체 물질들을 포함하는 구조체들의 품질을 개선하는 방법들 |
| KR101521259B1 (ko) | 2008-12-23 | 2015-05-18 | 삼성전자주식회사 | 질화물 반도체 발광소자 및 그 제조방법 |
| KR20100093872A (ko) * | 2009-02-17 | 2010-08-26 | 삼성엘이디 주식회사 | 질화물 반도체 발광소자 및 그 제조방법 |
| DE102009023351A1 (de) * | 2009-05-29 | 2010-12-02 | Osram Opto Semiconductors Gmbh | Optoelektronischer Halbleiterchip und Verfahren zur Herstellung eines optoelektronischen Halbleiterchips |
| US9048385B2 (en) | 2009-06-24 | 2015-06-02 | Nichia Corporation | Nitride semiconductor light emitting diode |
| US8232568B2 (en) | 2009-08-21 | 2012-07-31 | Bridgelux, Inc. | High brightness LED utilizing a roughened active layer and conformal cladding |
| US8525221B2 (en) | 2009-11-25 | 2013-09-03 | Toshiba Techno Center, Inc. | LED with improved injection efficiency |
| KR100993085B1 (ko) * | 2009-12-07 | 2010-11-08 | 엘지이노텍 주식회사 | 발광 소자, 발광 소자 패키지 및 라이트 유닛 |
| DE102009060747B4 (de) | 2009-12-30 | 2025-01-09 | OSRAM Opto Semiconductors Gesellschaft mit beschränkter Haftung | Halbleiterchip |
| KR101007136B1 (ko) * | 2010-02-18 | 2011-01-10 | 엘지이노텍 주식회사 | 발광 소자, 발광 소자 패키지 및 발광 소자 제조방법 |
| WO2011145283A1 (ja) * | 2010-05-20 | 2011-11-24 | パナソニック株式会社 | 窒化物半導体発光素子および窒化物半導体発光素子の製造方法 |
| US8748867B2 (en) * | 2011-01-26 | 2014-06-10 | Lg Innotek Co., Ltd. | Light emitting device |
| US8748932B2 (en) * | 2011-01-26 | 2014-06-10 | Lg Innotek Co., Ltd. | Light emitting device having curved top surface with fine unevenness |
| US8536594B2 (en) * | 2011-01-28 | 2013-09-17 | Micron Technology, Inc. | Solid state lighting devices with reduced dimensions and methods of manufacturing |
| JP2012169383A (ja) * | 2011-02-11 | 2012-09-06 | Toyoda Gosei Co Ltd | Iii族窒化物半導体発光素子およびその製造方法 |
| US8148252B1 (en) * | 2011-03-02 | 2012-04-03 | S.O.I. Tec Silicon On Insulator Technologies | Methods of forming III/V semiconductor materials, and semiconductor structures formed using such methods |
| DE102011012925A1 (de) * | 2011-03-03 | 2012-09-06 | Osram Opto Semiconductors Gmbh | Verfahren zur Herstellung eines optoelektronischen Halbleiterchips |
| US9496454B2 (en) * | 2011-03-22 | 2016-11-15 | Micron Technology, Inc. | Solid state optoelectronic device with plated support substrate |
| US8409892B2 (en) * | 2011-04-14 | 2013-04-02 | Opto Tech Corporation | Method of selective photo-enhanced wet oxidation for nitride layer regrowth on substrates |
| DE102011100037A1 (de) | 2011-04-29 | 2012-10-31 | Osram Opto Semiconductors Gmbh | Strahlung emittierender Halbleiterchip mit integriertem ESD-Schutz |
| KR101804408B1 (ko) * | 2011-09-05 | 2017-12-04 | 엘지이노텍 주식회사 | 발광소자 |
| JP5162016B1 (ja) * | 2011-09-15 | 2013-03-13 | 株式会社東芝 | 半導体素子、ウェーハ、半導体素子の製造方法及びウェーハの製造方法 |
| US8698163B2 (en) * | 2011-09-29 | 2014-04-15 | Toshiba Techno Center Inc. | P-type doping layers for use with light emitting devices |
| JP5881393B2 (ja) * | 2011-12-06 | 2016-03-09 | 国立大学法人山口大学 | 窒化物半導体発光素子およびその製造方法 |
| WO2013109628A1 (en) * | 2012-01-17 | 2013-07-25 | Ramgoss, Inc. | Rotated channel semiconductor field effect transistor |
| KR101881064B1 (ko) * | 2012-03-05 | 2018-07-24 | 삼성전자주식회사 | 질화물 반도체 발광소자 및 그 제조방법 |
| KR101903361B1 (ko) * | 2012-03-07 | 2018-10-04 | 삼성전자주식회사 | 질화물 반도체 발광소자 및 그 제조방법 |
| DE102012217640B4 (de) * | 2012-09-27 | 2020-02-20 | Osram Opto Semiconductors Gmbh | Optoelektronisches Bauelement und Verfahren zu seiner Herstellung |
| DE102013103602A1 (de) | 2013-04-10 | 2014-10-16 | Osram Opto Semiconductors Gmbh | Optoelektronischer Halbleiterchip und Verfahren zu seiner Herstellung |
| WO2014209393A1 (en) * | 2013-06-28 | 2014-12-31 | Intel Corporation | NANOSTRUCTURES AND NANOFEATURES WITH Si (111) PLANES ON Si (100) WAFERS FOR III-N EPITAXY |
| US10032911B2 (en) * | 2013-12-23 | 2018-07-24 | Intel Corporation | Wide band gap transistor on non-native semiconductor substrate |
| KR102167518B1 (ko) * | 2013-12-23 | 2020-10-19 | 인텔 코포레이션 | 비고유 반도체 기판들 상의 넓은 밴드 갭 트랜지스터들 및 그 제조 방법들 |
| WO2015148544A1 (en) * | 2014-03-26 | 2015-10-01 | University Of Houston System | Compact solid-state neutron detector |
-
2013
- 2013-04-10 DE DE102013103602.3A patent/DE102013103602A1/de not_active Withdrawn
-
2014
- 2014-03-28 DE DE112014001924.0T patent/DE112014001924B4/de active Active
- 2014-03-28 WO PCT/EP2014/056328 patent/WO2014166764A1/de not_active Ceased
- 2014-03-28 US US14/780,982 patent/US10475951B2/en active Active
- 2014-03-28 CN CN201480020969.3A patent/CN105122473B/zh active Active
- 2014-03-28 JP JP2016506846A patent/JP6218920B2/ja active Active
- 2014-04-10 TW TW103113254A patent/TWI524554B/zh not_active IP Right Cessation
-
2017
- 2017-07-27 JP JP2017145515A patent/JP6509284B2/ja active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060246612A1 (en) * | 2005-04-29 | 2006-11-02 | Emerson David T | Light emitting devices with active layers that extend into opened pits |
| US20090014713A1 (en) * | 2007-07-12 | 2009-01-15 | Sang Won Kang | Nitride semiconductor light emitting device and fabrication method thereof |
| DE102009060750A1 (de) | 2009-12-30 | 2011-07-07 | OSRAM Opto Semiconductors GmbH, 93055 | Optoelektronischer Halbleiterchip und Verfahren zu dessen Herstellung |
| EP2398076A2 (de) * | 2010-06-21 | 2011-12-21 | LG Innotek Co., Ltd. | Lichtemittierende Vorrichtung, Herstellungsverfahren dafür, Gehäuse für lichtemittierende Vorrichtung und Beleuchtungssystem damit |
| US20120032137A1 (en) * | 2010-08-09 | 2012-02-09 | Micron Technology, Inc. | Solid state lighting devices with dielectric insulation and methods of manufacturing |
| US20130037779A1 (en) * | 2011-08-12 | 2013-02-14 | Sharp Kabushiki Kaisha | Nitride semiconductor light-emitting device and method for producing the same |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019165236A (ja) * | 2015-03-26 | 2019-09-26 | オスラム オプト セミコンダクターズ ゲゼルシャフト ミット ベシュレンクテル ハフツングOsram Opto Semiconductors GmbH | オプトエレクトロニクス半導体エレメントとオプトエレクトロニクス半導体エレメントを製造する方法 |
| US10910516B2 (en) | 2015-03-26 | 2021-02-02 | Osram Oled Gmbh | Optoelectronic semiconductor body and method for producing an optoelectronic semiconductor body |
| JP7050717B2 (ja) | 2015-03-26 | 2022-04-08 | オスラム オプト セミコンダクターズ ゲゼルシャフト ミット ベシュレンクテル ハフツング | オプトエレクトロニクス半導体エレメントとオプトエレクトロニクス半導体エレメントを製造する方法 |
| CN105161577A (zh) * | 2015-08-11 | 2015-12-16 | 厦门市三安光电科技有限公司 | 发光二极管制作方法 |
| JP2019519101A (ja) * | 2016-05-20 | 2019-07-04 | オスラム オプト セミコンダクターズ ゲゼルシャフト ミット ベシュレンクテル ハフツングOsram Opto Semiconductors GmbH | 改善された効率を有する部品およびその製造方法 |
| US10862003B2 (en) | 2016-05-20 | 2020-12-08 | Osram Old Gmbh | Component having enhanced efficiency and method for production thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105122473A (zh) | 2015-12-02 |
| JP2016518712A (ja) | 2016-06-23 |
| DE102013103602A1 (de) | 2014-10-16 |
| US20160056326A1 (en) | 2016-02-25 |
| CN105122473B (zh) | 2018-08-07 |
| TW201501355A (zh) | 2015-01-01 |
| US10475951B2 (en) | 2019-11-12 |
| JP6509284B2 (ja) | 2019-05-08 |
| JP6218920B2 (ja) | 2017-10-25 |
| DE112014001924A5 (de) | 2016-01-07 |
| TWI524554B (zh) | 2016-03-01 |
| DE112014001924B4 (de) | 2024-06-13 |
| JP2017208566A (ja) | 2017-11-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2014166764A1 (de) | Optoelektronischer halbleiterchip und verfahren zu seiner herstellung | |
| EP2519981B1 (de) | Optoelektronischer halbleiterchip | |
| DE19680872B4 (de) | Verfahren zur Herstellung eines Licht emittierenden Elements | |
| DE102012217640B4 (de) | Optoelektronisches Bauelement und Verfahren zu seiner Herstellung | |
| DE112012001920B4 (de) | Strahlung emittierender Halbleiterchip mit integriertem ESD-Schutz | |
| DE112015000824B4 (de) | Verfahren zur Herstellung eines elektronischen Halbleiterchips | |
| DE102015104665A1 (de) | Optoelektronischer Halbleiterkörper und Verfahren zur Herstellung eines optoelektronischen Halbleiterkörpers | |
| EP1901357A2 (de) | Optoelektronischer Halbleiterchip | |
| DE102011012925A1 (de) | Verfahren zur Herstellung eines optoelektronischen Halbleiterchips | |
| WO2014019752A1 (de) | Verfahren zur herstellung eines optoelektronischen halbleiterchips und optoelektronischer halbleiterchip | |
| DE102012217644A1 (de) | Optoelektronisches Bauelement | |
| WO2021063819A1 (de) | Verfahren zur herstellung von optoelektronischen halbleiterchips und optoelektronischer halbleiterchip | |
| DE112012005796T5 (de) | Photoaktive Bauelemente mit einer verbesserten Verteilung von Ladungsträgern sowie Verfahren zum Ausbilden derselben | |
| DE102009019281B4 (de) | Oberflächenbehandlungsverfahren für Gruppe-III-Nitrid-Halbleiter und Verfahren zum Herstellen desselben | |
| DE69428556T2 (de) | Lichtemittierende II-VI-Halbleitervorrichtung und deren Herstellungsmethode | |
| WO2014048991A2 (de) | Optoelektronisches bauelement mit einer schichtstruktur | |
| DE102010020789B4 (de) | Optoelektronischer Halbleiterchip und Verfahren zu dessen Herstellung | |
| DE10260937A1 (de) | Strahlungssemittierender Halbleiterkörper und Verfahren zu dessen Herstellung | |
| DE112014002691T5 (de) | Anregungsbereich, der Nanopunkte (auch als "Quantenpunkte" bezeichnet) in einem Matrixkristall umfasst, der auf Si-Substrat gezüchtet wurde und aus AlyInxGa1-y-xN-Kristall (y ≧ 0, x > 0) mit Zinkblendestruktur (auch als "kubisch" bezeichnet) besteht, und lichtemittierende Vorrichtung (LED und LD), die unter Verwendung desselben erhalten wurde | |
| DE102015107661B4 (de) | Verfahren zur Herstellung eines Nitridverbindungshalbleiter-Bauelements | |
| WO2025087783A1 (de) | Halbleiterkörper, halbleiterlaser und verfahren zur herstellung eines halbleiterlasers | |
| DE102019217229A1 (de) | Optoelektronischer halbleiterchip und herstellungsverfahren für optoelektronische halbleiterchips | |
| WO2017021301A1 (de) | Verfahren zur herstellung eines nitrid-halbleiterbauelements und nitrid-halbleiterbauelement | |
| DE19539364C2 (de) | Epitaxialstruktur für eine lichtemittierende GaP-Diode | |
| WO2014173950A1 (de) | Optoelekronisches gan-basiertes bauelement mit erhöhter esd resistenz durch ein übergitter und verfahren zu seiner herstellung |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 14713136 Country of ref document: EP Kind code of ref document: A1 |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 14780982 Country of ref document: US |
|
| ENP | Entry into the national phase |
Ref document number: 2016506846 Country of ref document: JP Kind code of ref document: A |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 112014001924 Country of ref document: DE Ref document number: 1120140019240 Country of ref document: DE |
|
| REG | Reference to national code |
Ref country code: DE Ref legal event code: R225 Ref document number: 112014001924 Country of ref document: DE |
|
| 122 | Ep: pct application non-entry in european phase |
Ref document number: 14713136 Country of ref document: EP Kind code of ref document: A1 |