WO2016055520A1 - Laserbauelement und verfahren zu seiner herstellung - Google Patents
Laserbauelement und verfahren zu seiner herstellung Download PDFInfo
- Publication number
- WO2016055520A1 WO2016055520A1 PCT/EP2015/073145 EP2015073145W WO2016055520A1 WO 2016055520 A1 WO2016055520 A1 WO 2016055520A1 EP 2015073145 W EP2015073145 W EP 2015073145W WO 2016055520 A1 WO2016055520 A1 WO 2016055520A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- cavity
- laser
- carrier
- reflective
- side wall
- Prior art date
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/02—Structural details or components not essential to laser action
- H01S5/022—Mountings; Housings
- H01S5/023—Mount members, e.g. sub-mount members
- H01S5/02325—Mechanically integrated components on mount members or optical micro-benches
- H01S5/02326—Arrangements for relative positioning of laser diodes and optical components, e.g. grooves in the mount to fix optical fibres or lenses
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/02—Structural details or components not essential to laser action
- H01S5/022—Mountings; Housings
- H01S5/0225—Out-coupling of light
- H01S5/02255—Out-coupling of light using beam deflecting elements
-
- 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
- H01L2224/10—Bump connectors; Manufacturing methods related thereto
- H01L2224/15—Structure, shape, material or disposition of the bump connectors after the connecting process
- H01L2224/16—Structure, shape, material or disposition of the bump connectors after the connecting process of an individual bump connector
- H01L2224/161—Disposition
- H01L2224/16151—Disposition the bump connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive
- H01L2224/16221—Disposition the bump connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked
- H01L2224/16225—Disposition the bump connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being non-metallic, e.g. insulating substrate with or without metallisation
-
- 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
- H01L2924/161—Cap
- H01L2924/1615—Shape
- H01L2924/16195—Flat cap [not enclosing an internal cavity]
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/02—Structural details or components not essential to laser action
- H01S5/022—Mountings; Housings
- H01S5/02208—Mountings; Housings characterised by the shape of the housings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/02—Structural details or components not essential to laser action
- H01S5/024—Arrangements for thermal management
- H01S5/02469—Passive cooling, e.g. where heat is removed by the housing as a whole or by a heat pipe without any active cooling element like a TEC
Definitions
- the present invention relates to a laser component according to claim 1 and to a method for producing a laser component according to claim 10.
- Laser devices with semiconductor laser chips are well known in the art.
- Laserbauelemen- th of the laser chip is arranged in a housing which serves to encapsulate the laser chip hermetically sealed in order to prevent an excessive aging of a laser facet of the laser chip to ver ⁇ .
- the housing also serves to dissipate waste heat from the laser chip.
- An object of the present invention is to provide a laser device. This object is achieved by a laser component with the features of claim 1.
- a further object of the present invention is to specify a method for producing a laser component. This object is achieved by a method having the features of claim 10.
- a laser device includes a housing that includes a carrier having a cavity with a bottom surface and a sidewall. The cavity expands starting from the bottom surface.
- a laser chip is arranged on the bottom surface, whose emission direction is oriented parallel to the bottom surface.
- a re ⁇ inflecting element is arranged, which abuts an edge between the bottom surface and the side wall.
- a reflec ⁇ Rende surface of the reflecting element includes with the bottom surface of the cavity at an angle of 45 °.
- the emission direction also includes an angle of 45 ° with the reflective surface of the reflective element.
- a laser beam emitted by the laser chip can be reflected on the reflective surface of the reflective element in a direction perpendicular to the bottom surface of the cavity.
- the laser beam reflected on the reflective element can thereby emerge from the cavity of the carrier of the laser component and be emitted by the laser component.
- a further Strahlable ⁇ effect of the laser beam is advantageously not required.
- the reflective element at the edge between the bottom surface and the side wall of the cavity advantageously a position and orientation of the reflecting element in the cavity of the support of the housing of the laser device is set with high accuracy, without that during assembly of the reflective element additional adjustment steps are required. This allows a simple and cost-effective production of the laser component.
- the abutment of the reflective member on the edge between the bottom surface and the side wall of the cavity is also advantageously a space-saving arrangement of the reflective element, allowing the housing of the laser device results in form with compact outer dimen ⁇ solutions.
- the arrangement of the laser chip with parallel to the bottom surface of Kavi ⁇ ity emission direction allows advantageously to arrange the laser chip in large-area contact with the bottom surface of the cavity, which advantageously results in a thermally well conductive connection between the support of the housing of the laser component and the laser chip , What allows effective removal of waste heat generated during operation of the laser device in the laser chip.
- the reflecting element bears against the side wall.
- this results in a particularly space-saving arrangement of the reflective element in the cavity of the carrier of the laser device, whereby the housing of the laser device can have compact outer dimensions.
- the reflecting element bears against the bottom surface of the cavity. Before ⁇ geous enough, this also results in a space-saving and stable arrangement of the reflective element in the cavity of the carrier of the housing.
- the cavity is closed by means of a lid. Since no beam deflection of the laser beam emitted by the laser ⁇ chip of the laser component laser beam must be done on the cover of the housing of the laser device, the lid can advantageously be designed simply and cost ⁇ low . Since the lid no ⁇ must have the structures strahlablenken, during assembly of the laser device also no special adjustment of the lid is erfor ⁇ sary, whereby the manufacture of the laser device simplified.
- the reflecting element has a glass.
- the reflective surface of the reflective element can thereby have a particularly high reflectivity.
- the reflective element is designed as a prism. This allows a simple and cost-effective production of the reflective element and a simple and cost-effective installation of the reflective element in the cavity of the carrier of the Ge ⁇ housing of the laser device.
- the side wall of the cavity against the bottom surface of the cavity is inclined by ei ⁇ NEN of 45 ° different angle. The deviation of the angle between the side wall and the bottom surface of 45 ° is advantageously compensated for by the reflective element from ⁇ .
- the carrier has an at least partially crystalline semiconductor material.
- this allows a simple and cost-effective production of the carrier with the methods of semiconductor technology.
- the laser device has the Trä ⁇ ger silicon.
- the bottom surface is formed by a ⁇ 100 ⁇ plane of the carrier.
- the sidewall is formed by a ⁇ 111 ⁇ plane of the carrier.
- this light made ⁇ a preparation of the cavity of the carrier by means of an etching process.
- the side wall and the Bo ⁇ denfiguration can be formed by different etch rates in different crystallographic directions of the carrier, wherein an angle defined between the side wall and the bottom surface of the cavity is obtained.
- a method of manufacturing a laser device includes steps of providing a carrier having a cavity having a bottom surface and a sidewall, the cavity expanding from the bottom surface, for disposing a laser chip on the bottom surface in the cavity such that an emission direction of the laser Laser chips is oriented parallel to the bottom surface, and for arranging a re flexivating element in the cavity such that the re ⁇ inflecting element abuts an edge between the bottom surface and the side wall, a reflective surface of the reflective element with the bottom surface of the cavity a Angle of 45 ° and includes the emission direction also includes an angle of 45 ° with the reflective surface of the reflective element.
- the position and orientation of the reflective element in the cavity in this method are determined by the arrangement of the reflective element in contact with the edge between the bottom surface and the side wall of the Ka ⁇ vity with high accuracy, without the need for a separate adjustment step is required.
- This makes the method can be advantageously simple and hereby güns ⁇ tig perform.
- the support is inclined during the placement of the reflective element, that is the edge between the bottom surface and the side wall below the bottom surface and below the side wall is arranged ⁇ .
- the provision of the carrier comprises applying the cavity by means of a
- Etching process advantageousously, this enables a cost-effective deployment and simp ⁇ surface of the carrier.
- Insbeson ⁇ particular can be done applying the cavity in the support by well-established methods of semiconductor technology.
- the reflec ⁇ Rende element is secured by means of a soldered connection or an adhesive connection in the cavity.
- a soldered connection or an adhesive connection in the cavity.
- this comprises a further step for closing the cavity by means of a Cover.
- the cover can for example be attached to the carrier bonding method of the housing member of the laser ⁇ component by means of a wafer. Since in the laser component obtainable by the method on the cover of the housing of the laser device no beam deflection must be made, a special adjustment of the lid is advantageously not required. As a result, the process can be carried out simply, quickly and inexpensively.
- the support is provided with a plurality of cavities, each having a Bodenflä ⁇ surface and a side wall.
- each Kavi- ty a respective laser chip arranged so that an emission direction of the laser chip ⁇ ty parallel to the bottom surface of the Kavi- is oriented.
- a reflective element is arranged so that the reflective element abuts ei ⁇ ner edge between the bottom surface and the side wall of the Ka ⁇ tivity, a reflective surface of the reflec ⁇ leaders element with the bottom surface of the cavity makes an angle of 45 ° and the emission direction with the reflective surface of the reflective element also includes an angle of 45 °.
- the method characterized made ⁇ light a parallel manufacture of a plurality of laser devices in common machining steps. As a result, the production costs per individual laser component advantageously can be significantly reduced. In addition, this can be significantly reduced advantageous ⁇ as required per manufactured laser device processing time.
- Figure 1 is a sectional side view of a first laser ⁇ device
- FIG. 2 shows a sectional side view of a second laser component
- Figure 3 is a sectional side view of a third laser ⁇ device.
- the first laser component 10 includes a housing 100 in which a semiconductor-based laser chip 400 is arranged.
- the housing 100 of the first laser device 10 comprises a carrier 200.
- the carrier 200 is made of a supporting substrate ⁇ forth, preferably a crystalline or of semi-crystalline ⁇ linen semiconductor substrate.
- the carrier 200 may be made from a semiconductor wafer, for example, a silicon wafer, in particular, for example, egg ⁇ nem ⁇ 100 ⁇ silicon wafer.
- the carrier 200 includes a top surface 201 and one of the upper ⁇ side 201 opposite bottom 202. On the upper side 201 of the carrier 200, a cavity 210 is formed.
- the cavity 210 extends from the top 201 in Rich ⁇ tion to the bottom 202 into the carrier 200 inside.
- the cavity 210 has a bottom surface 220, which is oriented substantially parallel to the upper side 201 and to the lower side 202 of the carrier 200.
- the cavity 210 has an opening on the upper side 201 of the carrier 200 and is closed in the region of the bottom surface 220.
- a side wall 230 extends from the bottom surface 220 of the cavity 210 to the top 201 of the carrier 200. Between the bottom surface 220 and the side wall 230, an edge 240 is formed.
- the side wall 230 is inclined against the bottom surface 220 by an angle 250 which is between 0 ° and 90 ° and in particular may have a value other than 45 °. Due to the inclination of the side wall 230, the cavity 210 widens starting from the bottom surface 220 in the direction of the upper side 201 of the carrier 200, ie in the direction of the opening of the cavity 210.
- the cavity 210 may be created for example by means of a ⁇ tzverfah ⁇ proceedings at the top 201 of the carrier 200th
- the carrier 200 comprises a crystalline or semi-crystalline semiconductor material, so in this case an anisotropy of etching rate can be used to the bottom surface 220 and the angle 250 inclined against the bottom surface 220 pages ⁇ wall 230 forming the cavity 210th
- the carrier 200 is a silicon wafer
- the upper side 201 is formed by a ⁇ 100 ⁇ plane
- the bottom surface 220 may also ⁇ by a ⁇ 100 ⁇ plane
- the side wall 230 by a ⁇ ⁇ 111 ⁇ Plane of the carrier 200 formed who ⁇ the.
- the angle 250 between the side wall 230 and the bottom surface 220 of the cavity 210 is about 54.74 °.
- the bottom surface 220 and / or the side wall 230 of the cavity 210 may also be formed by other crystal planes.
- the carrier 200 may also comprise a material other than silicon.
- the cavity 210 may also be formed by other than an etching process.
- the carrier 200 of the first laser component 10 has a first contact 260 and a second contact 270.
- the through contacts 260, 270 each extend from the bottom surface 220 of the cavity 210 to the bottom 202 of the carrier 200.
- a first contact element 261 and a second contact element 271 are arranged on the bottom surface 220 of the cavity 210.
- a first solder pad 262 and a second solder pad 272 are arranged.
- the first contact element 261 is electrically conductive via the first contact 260 with the first
- the Solder contact surface 262 connected.
- the second contact element 271 is electrically conductive via the second through-contact 270 the second solder pad 272 connected.
- the Kunststoffele ⁇ elements 261, 271 and the solder pads 262, 272 may be formed, for example, as planar metallizations.
- the vias 260, 270 may be formed, for example, as arranged in the carrier 200 openings which are filled with an electrically conductive material.
- the first solder contact surface 262 and the second Lötumbleflä ⁇ che 272 on the underside 202 of the carrier 200 may be used for electrical contacting of the first laser device 10.
- the first laser component 10 may, for example, be provided as an SMT component for surface mounting, for example for surface mounting by reflow soldering.
- the laser chip 400 is arranged in the cavity 210 of the carrier 200 on the bottom surface 220 of the cavity 210.
- a lower side 410 of the laser chip 400 faces the bottom surface 220.
- a first contact surface 411 and a second contact surface 412 of the laser chip 400 are in electrically lei ⁇ tender connection to the first contact element 261 and the second contact element 271 on the bottom surface 220 of the cavity 210 of the carrier 200.
- the contact surfaces 411, 412 of the laser chip 400 arranged on the underside 410 of the laser chip 400 and, for example via
- solder joints with the contact elements 261, 271 connected to the bottom surface 220 of the cavity 210.
- the contact surfaces 411, 412 could also be arranged at other locations of the laser chip 400 and / or be connected in a different manner, for example via bond connections, to the contact elements 261, 271 of the carrier 200.
- the carrier 200 of the first laser device 10 may be adjacent to the first via 260 and the second via 270 WEI tere vias have provided to dissipate from ⁇ heat from the laser chip 400 and the bottom 202 of the carrier 200 of the housing 100 to be transported. These further vias can be used with other contact elements 1
- the further vias may be connected to further solder pads on the underside 202 of the carrier 200, which serve to discharge the waste heat from the first laser device 10.
- the laser chip 400 has a laser facet 420 which is perpendicular ⁇ right oriented to the bottom 410 of the laser chip 400th
- the laser chip 400 is formed to radiate at its Laserfa ⁇ cette 420 a laser beam 440 in an emission direction 430 that is oriented perpendicular to the laser facet 420th
- the emission direction 430 thus runs substantially parallel to the bottom 410 of the laser chip 400 and thus also substantially parallel to the bottom surface 220 of the cavity 210 of the carrier 200.
- the emission direction 430 of the laser chip 400 is ⁇ orien advantage toward the side wall 230 of the cavity 210th
- the laser beam 440 emitted by the laser chip 400 must be deflected by 90 °.
- the first laser component 10 has a first reflective element 500.
- the first reflecting element 500 has the geometric shape of a prism with a triangular base, preferably the geometric shape of a cylinder.
- the first reflective element 500 is wedge-shaped.
- the first reflective element 500 may be, for example, are made of glass ⁇ .
- the first reflecting element 500 has a reflecting surface 510 and a contact surface 520.
- the angle 530 between the reflective surface 510 and the abutment surface 520 of the first reflective element 500 is dimensioned such that the Diffe ⁇ rence between the angle 250 by which the side wall 230 of the cavity is inclined 210 against the bottom surface 220 of the cavity 210 and the angle 530 between the reflecting surface-surface 510 and the abutment surface 520 of the first reflective element 500 has a value of 45 °.
- the angle 250 by which the side wall is inclined 230 against the bottom surface 220 of the cavity 210 is, for example, 54.74 °, so does the angle 530 between the reflecting surface 510 and the abutment surface 520 of the first reflective Ele ⁇ ments 500 a value of 9.74 °.
- the first reflecting element 500 is arranged in the cavity 210 of the carrier 200.
- the contact surface 520 of the first reflecting element 500 rests against the side wall 230 of the cavity 210.
- the first reflec ⁇ Rende member 500 is also present at the edge 240 between the bottom surface 220 and the side wall 230 of the cavity 210th
- ⁇ is ensured by a fixed position and orientation of the ERS th reflecting element 500 in the cavity 210 of the Trä ⁇ gers 200th
- the reflective surface 510 of the first reflective element 500 is orien ⁇ advantage to the laser facet 420 disposed in the cavity 210 laser chip 400th
- the reflecting surface 510 of the first reflecting element 500 is inclined towards the bottom face 220 of the cavity 210 by an angle 540 of 45 °.
- the emission direction 430 of the laser chip 400 with the reflective surface 510 of the first reflective element 500 includes an angle 550 also of 45 °.
- the orientation of the first reflecting element 500 in the cavity 210 of the carrier 200 can also be expressed by the existence of a plane perpendicular to the bottom surface 220 of the cavity 210, perpendicular to the laser facet 420 of the laser chip 400 and perpendicular to the plane. inflecting surface 510 of the first reflective element 500 is oriented. Depending certain tolerances and deviations may result from the production Exactly ⁇ accuracy of course.
- the first laser device 10 of the light emitted from the laser chip 400 on its laser facet 420 in the emission ⁇ device 430 laser beam 440 is incident at the angle 550 of 45 ° to the reflecting surface 510 of the first re- inflecting element 500 and is thereby in the emission ⁇ Direction 430 vertical direction, ie also in the Bodenflä ⁇ surface 220 of the cavity 210 of the carrier 200 vertical direction, deflected.
- the thus deflected laser beam 440 exits at the top 201 of the carrier 200 from the cavity 210 of the carrier 200 and is thus emitted by the first laser component 10 from ⁇ .
- the cavity 210 of the carrier 200 may be closed at the top 201 of the carrier 200 by means of a lid 300. Be ⁇ vorzugt the cavity is hermetically sealed by the cover 300 210 to avoid excessive aging of the laser facet 420 of the laser ⁇ chips 400 during operation of the first laser device as the tenth
- the lid 300 comprises an optically transparent material, for example a glass.
- the De ⁇ ckel 300 can be oriented ⁇ forms, for example, as a plane-parallel plate.
- the reflected at the reflecting surface 510 of the first reflective element 500 laser beam 440 passes through the cover 300 from the cavity 210 of the Trä ⁇ gers 200 and is preferably not or only slightly deflected.
- the cavity is initially sets ⁇ at the top 201 of the carrier 200 210th Subsequently, the prefabricated first reflecting element 500 is disposed in the cavity 210 and secured in such a manner on the side wall 230 of the cavity 210 that the first reflective element 500 at the edge 240 between the Bo ⁇ denology 220 and the side wall 230 of the cavity 210 abuts ,
- the attachment of the abutment surface 520 of the first reflective element 500 on the side wall 230 of the cavity 210 can be done for example by gluing or by soldering.
- the support 200 for arranging the first reflective element 500 in the cavity 210 of the carrier 200 such that the edge 240 between the bottom surface 220 and the side wall 230 of the cavity 210 below the Bo ⁇ denology 220 and below the side wall 230 is arranged.
- the laser chip 400 is arranged on the bottom surface 220 of the cavity 210 of the carrier 200.
- the arrangement of the laser chip 400 in the cavity 210 can also be carried out before arranging the first reflecting element 500 in the cavity 210 of the carrier 200.
- a desired position and orientation of the laser chip 400 in the cavity 210 of the carrier 200 may be for example by an automatic alignment of the laser chip 400 currency ⁇ rend of producing soldered joints between the contact surfaces 411, 412 of the laser chip 400 and the Kunststoffele ⁇ elements 261, 271 to the bottom surface 220 of the cavity 210 a ⁇ ask.
- the cavity 210 of the carrier 200 may be closed with the De ⁇ ckel 300th
- the carrier 200 may be formed, for example, as a wafer. Then, in all cavities 210 of the carrier 200, laser chips 400 and first inflecting elements 500 angeord ⁇ net in the manner described. Subsequently, the carrier 200 can be divided to separate the plurality of first laser devices 10 thus produced.
- FIG. 2 shows a schematic sectional side view of a second laser component 20.
- the second laser component 20 and the production method used for producing the second laser component 20 have great similarities with the first laser component 10 described with reference to FIG. 1 and the method for producing the first laser component 10. Corresponding components are therefore designated in the illustrations of Figures 1 and 2 with the same reference numerals. In the following, only the deviations between the second laser component 20 and the first laser component 10 will be described.
- the second laser device 20 includes, instead of the first re ⁇ inflecting element 500, a second reflective ele- ment 600.
- the second reflecting element 600 has the geometric shape of a prism or a cylinder with a triangular base.
- the second reflecting element 600 can also be made of glass, for example.
- the second reflective element 600 has a reflec ⁇ Rende surface 610 and an abutment surface 620th
- the Appendices ⁇ ge Formation 620 of the second reflective member 600 abuts against the bottom surface 220 of the cavity 210 of the carrier 200 of the second laser device 20th
- the second reflective animal element 600 is also in contact with the edge 240 Zvi ⁇ rule the bottom surface 220 and the side wall 230 of the cavity 210, whereby the position and orientation of the second reflective element is fixed 600th
- the reflective surface 610 of the second reflective element 600 faces the laser facet 420 of the laser chip 400 of the second laser component 20.
- the reflective surface 610 of the second reflective element 600 closes with the bottom surface 220 of the cavity 210 of the carrier 200 an angle 640 of 45 °. Thereby closing the emis sion ⁇ direction 430 of the laser chip 400 having the reflecting surface 610 of the second reflective member 600 form an angle 650 a, which is also 45 °.
- the abutment surface 620 of the second reflective element 600 is fastened to the bottom surface 220 of the cavity 210 of the carrier 200, for example by means of an adhesive bond or a solder joint.
- the carrier 200 may be inclined to orient the second reflective element 600 such that the edge 240 is disposed between the bottom surface 220 and the side wall 230 of the cavity 210 below the bottom surface 220 and below the side wall 230, so that the second reflectors ⁇ animal element 600 by gravity toward the edge 240 between the bottom surface 220 and the side wall is pulled 230th
- FIG. 3 shows a schematic sectional side view of a third laser component 30.
- the third laser component 30 and the method used to produce the third laser component 30 have great agreement with the first laser component 10 explained with reference to FIG. 1 and the method for producing the first laser component 10 on. Therefore, in Figure 3, the ⁇ same reference numerals are used for corresponding components as in Figure 1. In the following, only the differences between the third laser device 30 and the first laser device 10 will be explained.
- the third laser device 30 comprises a third reflective Ele ⁇ element 700 instead of the first re ⁇ inflecting element 500th
- the third reflective element 700 has the geometric shape of a prism having a trapezoidal cross-sectional area ⁇ , preferably, the geometric shape of a ⁇ Zy Linders. Also, the third reflective member 700 may be composed game at ⁇ glass.
- the third reflective element 700 has a reflec ⁇ Rende surface 710, a first abutment surface 720 and a second abutment surface 730 on. The first contact surface 720 of the third reflecting element 700 bears against the side wall 230 of the cavity 210 of the carrier 200.
- the second huiflä ⁇ surface 730 of the third reflecting member 700 abuts against the bottom surface 220 of the cavity 210 of the carrier 200th
- the third reflective member 700 is also present at the edge 240 between the bottom surface 220 and the side wall 230 of the Kavi ⁇ ty 210, whereby the orientation and position of the third reflective member 700 with high accuracy is fixed.
- the reflective surface 710 of the third reflective element 700 is the laser facet 420 of the laser chip faces 400 to ⁇ .
- the reflecting surface 710 encloses an angle 740 of 45 ° with the bottom surface 220 of the cavity 210 of the carrier 200.
- the emission direction 430 of the laser chip 400 with the reflective surface 710 of the third reflective element 700 includes an angle 750, which is also 45 °.
- the mounting of the third reflecting element 700 in the cavity 210 of the carrier 200 of the third laser component 30 can also be done with slight tilting of the carrier 200, so that the edge 240 between the bottom surface 220 and the side wall 230 below the bottom surface 220 and under ⁇ half of the side wall 230 of the cavity 210 is arranged.
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15/516,964 US10256602B2 (en) | 2014-10-08 | 2015-10-07 | Laser component and method of producing same |
JP2017515232A JP6393414B2 (ja) | 2014-10-08 | 2015-10-07 | レーザ部品およびその製造方法 |
CN201580054712.4A CN106797103B (zh) | 2014-10-08 | 2015-10-07 | 激光器部件和用于生产该激光器部件的方法 |
DE112015004631.3T DE112015004631B4 (de) | 2014-10-08 | 2015-10-07 | Laserbauelement und Verfahren zu seiner Herstellung |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEDE102014114618.2 | 2014-10-08 | ||
DE102014114618.2A DE102014114618A1 (de) | 2014-10-08 | 2014-10-08 | Laserbauelement und Verfahren zu seiner Herstellung |
Publications (1)
Publication Number | Publication Date |
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WO2016055520A1 true WO2016055520A1 (de) | 2016-04-14 |
Family
ID=54260759
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/EP2015/073145 WO2016055520A1 (de) | 2014-10-08 | 2015-10-07 | Laserbauelement und verfahren zu seiner herstellung |
Country Status (5)
Country | Link |
---|---|
US (1) | US10256602B2 (de) |
JP (1) | JP6393414B2 (de) |
CN (1) | CN106797103B (de) |
DE (2) | DE102014114618A1 (de) |
WO (1) | WO2016055520A1 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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DE102018102961A1 (de) | 2018-02-09 | 2019-08-14 | Msg Lithoglas Gmbh | Bauteilanordnung, Package und Package-Anordnung sowie Verfahren zum Herstellen |
WO2020259755A1 (de) | 2019-06-24 | 2020-12-30 | Msg Lithoglas Gmbh | Verfahren zum herstellen einer bauteilanordnung für ein package, verfahren zum herstellen eines packages mit einer bauteilanordnung, bauteilanordnung und package |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
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DE102016107715A1 (de) * | 2016-04-26 | 2017-10-26 | Osram Opto Semiconductors Gmbh | Lasermodul mit einem optischen Bauteil |
DE102018129343A1 (de) * | 2018-11-21 | 2020-05-28 | Osram Opto Semiconductors Gmbh | Verfahren zur herstellung von halbleiterlasern und halbleiterlaser |
CN111490441B (zh) * | 2020-05-21 | 2022-04-05 | 王志杰 | 高带宽激光器信号光与背光分离处理结构 |
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WO2020259755A1 (de) | 2019-06-24 | 2020-12-30 | Msg Lithoglas Gmbh | Verfahren zum herstellen einer bauteilanordnung für ein package, verfahren zum herstellen eines packages mit einer bauteilanordnung, bauteilanordnung und package |
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Also Published As
Publication number | Publication date |
---|---|
DE102014114618A1 (de) | 2016-04-14 |
CN106797103B (zh) | 2020-03-03 |
DE112015004631A5 (de) | 2017-09-07 |
US20170310079A1 (en) | 2017-10-26 |
JP6393414B2 (ja) | 2018-09-19 |
CN106797103A (zh) | 2017-05-31 |
DE112015004631B4 (de) | 2022-01-13 |
US10256602B2 (en) | 2019-04-09 |
JP2017528920A (ja) | 2017-09-28 |
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