WO1996015467A1 - Mechanisches befestigungssystem für ein modular gefasstes mikrooptisches element - Google Patents
Mechanisches befestigungssystem für ein modular gefasstes mikrooptisches element Download PDFInfo
- Publication number
- WO1996015467A1 WO1996015467A1 PCT/EP1995/004423 EP9504423W WO9615467A1 WO 1996015467 A1 WO1996015467 A1 WO 1996015467A1 EP 9504423 W EP9504423 W EP 9504423W WO 9615467 A1 WO9615467 A1 WO 9615467A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- fastening system
- ball
- legs
- leg
- hinge
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/003—Alignment of optical elements
Definitions
- the application relates to a mechanical fastening system for individual optical modules on a base plate for the production of optical or optoelectronic systems.
- This can be the arrangement of different optical components to form a one-dimensional or multi-dimensional overall system.
- optical components such as lenses, prisms and mirrors. They range from gluing small prisms to supports, the prism having to be held in an adjusted position until the adhesive has hardened, to various prism and chairs "with or without clips or resilient brackets, see H. Naumann and G. Schröder : “Components of optics” 4th edition, Karl Hanser Verlag Kunststoff and Vienna, 1983, page 272. This state of the art shows, for example, that the mounting of optical components due to the many different shapes and functions are individually adapted to the individual component got to.
- the present invention is based on the fact that it is necessary for a modern, automated manufacturing process of optical systems to use mechanically standardized components, in each of which an optical - in particular micro-optical (light beam diameter: 5 mm) - individual component is contained.
- the micro-optical elements can be, for example, laser diodes, microlenses, integrated optics modules, glass fiber bundles, light guide rods, diffractive elements, detectors, sensors, filters, mirrors, diaphragms, etc.
- standard components which can be contained, for example, within a cuboid housing, provides a first fundamental simplification in handling and in the decisive positioning and orientation of this cuboid with respect to a base plate.
- FIG. 2 Geometric details of the “3-leg” holder according to the invention with indicated rectangular standard component
- FIG. 3 The geometry of a 2-dimensional initial structure of a “3-leg” according to the invention
- Fig. 7 a fifth embodiment of a two-dimensional
- FIG. 8 a further embodiment with hollow, hemispherical
- a standard component 1 drawn as a cuboid 2, in which a micro-optical element 3 — in the illustrated case a microlens with an optical axis 4 — is contained.
- the cuboid 2 is fastened with its underside to a holder according to the invention, which in the case shown is designed as a so-called “3-leg” holder 5.
- Three legs 7-9 are from a platform that cannot be seen in FIG. 1 in the direction of the base plate 20 angled, to which in turn feet 10-12 are hinged The feet are in contact with the base plate 20. As long as these feet are not firmly connected to the base plate 20, the standard component 1 can be positioned or oriented with respect to all six degrees of freedom.
- hinge axes are designated with 13 -15 ' . To a certain extent, they represent the bending lines of the legs 7-9 to be bent. In an analogous manner, hinge axes 16 'and 17' are shown in FIG. 2, about which the feet 10 and 11 are bent or angled upward.
- FIG. 3 The geometrical relationships of a “three-leg” mounting system according to the invention are shown in FIG. 3. The two-dimensional starting structure 5 'is shown.
- This starting structure represents, as it were, a “cut-out” pattern for an exit sheet.
- the platform 6 is a halved regular hexagon, the halving taking place along the connecting line 21 which connects two diametrically opposite corners of a hexagon.
- Three areas arranged in a star shape (“3 legs”) extend from the platform 6. They each consist of a leg 7, 8, 9 and an associated foot 10, 11, 12. It can be seen that the hinges belonging to one leg each other.
- the perpendicular bisectors 22 and 23 of the legs 7, 10 and 9, 12 intersect at a point 24 on the track 19 of the plane of symmetry of the “3-leg” holder 5 or its 2-dimensional starting structure 5 ′ half of a regular hexagon in the mathematical sense, the point 24 would lie exactly on the connecting line 21.
- the overall system (standard component 1 and holder 5) can be “stacked” in the direction of the optical axis 4. This is intended to express that several overall systems are more closely aligned Can be fastened one after the other on the base plate 20 in the manner of an optical bench - and in a narrow linear distance from one another.
- the geometric arrangement of the legs of the fastening system does not impede the legs of two brackets positioned one behind the other along the optical axis 4.
- FIGS. 4 to 7 show further embodiments of the two-dimensional starting structure. Common to all of them in comparison to the starting structure explained in FIGS. 1 to 3 is that, when the platform 6 or the cuboid 2 is tilted, they ensure that the feet 10-12 on the base plate 20 are better able to bear. This is of course an advantage with automatic assembly technology. Generally speaking, the exemplary embodiments shown in FIGS. 4 to 7 introduce additional degrees of freedom in the geometry of the legs.
- FIG. 4 there is only a narrow material bridge between the leg part and the foot 12, which can be referred to as a “ball joint” 25 with three degrees of freedom.
- a ball joint 25 with three degrees of freedom.
- analogous considerations apply to the other two legs the shape shown is not a ball joint in the true sense, because a two-piece
- Ball / pan combination is not provided.
- this embodiment which realizes three degrees of freedom can be referred to as a “solid-state joint”, which is intended to make it clear that it has been produced from a one-piece material.
- FIG. 30a / 30b in pairs symmetrically in every leg.
- the structural design of the ball joint 25 or the hinge 15 can be explained using the example of the detailed drawing belonging to FIG. 4, which represents a section along the line AB.
- Narrow gaps are made in the two-dimensional initial structure, which consists of a one-piece material - for example, sheet metal with a thickness of 1 mm - along the locations provided for the hinges or ball joints. This can be done, for example, using wire electrical discharge machining, precision sawing, stamping, etc.
- a narrow gap is created from the top to the bottom, so that only a small material bridge is left - as it were
- the "ball-and-socket joint" 25 is produced in such a way that a gap is introduced, so to speak, from the underside of the starting structure into the narrow connecting web between the base 12 and the leg that has already been created. This gives a solid-state joint with three
- the foot 12 can adapt in any way to the spatial conditions, in particular the topographical structure of the base plate 20.
- the characteristic of a hinge joint 15 or of a “ball joint” 25 is finally given by the elastic deformation in the areas delimited locally by the gaps attached. The same applies to all other hinge and “ball joints” shown.
- FIG. 5 shows a "ball-and-socket hinge combination” per leg.
- two “ball-and-socket joints” 25a / 25b or 26a / 26b or 27a / 27b are now provided
- the embodiment shown in Figure 4 has the advantage that the smallest material cross section in the solid "ball joints" per leg is doubled, this configuration is created by triangular recesses 31-33 within the leg regions and by additional ones Installation of a parallel gap 34-36 along the perpendicular bisectors 22, 23 and 19 in the direction of the platform 6.
- These “ball-and-socket hinge combinations” contribute to an increase in mechanical stability. If you reduce the distance between the "ball joints" for each leg, you get the version shown in Fig. 6.
- one hinge and one “ball joint” is interchanged per leg and arranged in a space-saving manner. This is explained in more detail using the example of the leg with the leg 7 and the foot 10.
- a - preferably parallel - gap 39 runs in the diagonal direction.
- FIGS. A platform 6 (FIG. 8) can also be seen, as has already been shown in FIGS. 2 to 7.
- the fastening system shown in FIGS. 8 and 9 has no legs consisting of legs and feet; rather, they are so-called "spherical legs" 47-49.
- spherical segments 40-42 consist of hollow, hemispherical bulges in the manner of a tropical helmet, the so-called spherical segments 40-42, each further comprising a flat edge region 46a-46c in the manner of a Equatorial plane and finally from lateral stiffening profile pairs 40a, 40b; 41a, 41b; 42a, 42b in the manner of a turned-over hat edge.
- These “ball legs” 47-49 are angled directly in one piece onto platform 6.
- each hinge axis 43-45 and each of the lateral stiffening profile pairs 40a, 40b; 41a, 41b; 42a, 42b are tangent to the upper edge of the hollow hemispheres (spherical segments 40-42).
- a geometrically exact spherical shape which is always meant: hollow hemispherical shape
- other curved spatial shapes are also conceivable, which realize a selective support on a base plate 20.
- Such spatial shapes can be "deformed” spheres, “geoids”, uniaxial or multiaxial rotational ellipsoids or so-called barrel or be lenticular hollow body halves.
- priority should be given to the hemispherical hollow shape or a spherical cap hollow shape.
- the cuboid 2 can be moved vertically along the x-axis and / or about the two horizontal axes y (perpendicular to the optical axis) and z (along the optical axis) without the position changing the support points on the base plate 20 changes.
- the proposed spherical geometry is initially suitable for all spot joining techniques (e.g. spot welding, in particular laser spot welding), but area joining techniques such as gluing, soldering, etc. can also be used.
- spot joining techniques e.g. spot welding, in particular laser spot welding
- area joining techniques such as gluing, soldering, etc. can also be used.
- gluing the support point acts like a mechanical reference, which guarantees greater position stability when the glue hardens.
- a further angled stiffening profile can be provided in the front area of the ball segments 40-42, which runs parallel to the respective hinge axis 43-45.
- the "ball-3-leg" By pressing and punching, the "ball-3-leg" can be manufactured inexpensively in large quantities from thin metal sheets in a progressive tool.
- the proposed spherical shape is an approximation to the geometrically optimal surface shape, in which there is no variation of the point of contact.
- the typical deviation for a suitably chosen hemisphere radius is 10 ⁇ m.
- All formable and formable materials are suitable for the production, although some production processes (for example sintering of ceramics) require structural adjustments.
- the geometric dimensions of the "ball-3-leg" shown are as follows:
- the starting structures can be produced, for example, by laser cutting or stamping. If thin sheet metal parts are used, e.g. 0.05 mm thick stainless steel sheets, it is proposed according to the invention to subsequently arm or stiffen the legs 7-9. This can be done, for example, by appropriately cutting thicker sheet metal parts, for example with a thickness of 0.5 mm, by means of suitable fastening methods (laser spot welding, gluing, blasting) over the entire surface of the legs. As an alternative to this, it is also possible to stiffen the legs only by suitable shaping, e.g. by creating sheet-stiffening profile geometries.
- the hinges or the "ball joints” can be manufactured using a material-removing, subtractive technique (spark erosion, precision sawing, chemical etching, ion etching, etc.).
- a material-removing, subtractive technique spark erosion, precision sawing, chemical etching, ion etching, etc.
- forming techniques Pressing, punching
- linear “buckling” regions which can act as locations of elastic deformability.
- the present invention is not limited to the exemplary embodiments described and illustrated in the drawing. Rather, it is also possible to provide further geometric shape variants.
- the application the proposed mounting systems are not limited to modules containing a micro-optical element 3; it is rather only a question of dimensioning, so that “macro” optical elements, which are summarized as a single module, can also be aligned in the proposed technology. With the fastening systems according to the invention, it is possible to optically
- the advantages of the fastening system according to the invention can be represented as follows: a) for exact positioning or orientation of the micro-optical mount
- Element 3 this can be micromanipulated using six degrees of freedom; b) for permanent fixation (reducing the number of degrees of freedom to zero) of the overall system, in the minimum case only three fastening points are required; c) the fixation can be done by laser spot welding or gluing; d) low demands are placed on laser beam positioning; e) during adjustment movements along the axes (x, y, z) the support points remain almost constant; f) due to the design features there is good accessibility for the fastening technology; g) the optical axis 4 can spread freely within a single module 2; h) automation-friendly assembly handling is feasible; i) the small space requirement allows a high “packing density”; the systems can be stacked in the direction of the optical axis 4. Reference numbers list
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Pivots And Pivotal Connections (AREA)
- Clamps And Clips (AREA)
- Mounting And Adjusting Of Optical Elements (AREA)
- Connection Of Plates (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/669,336 US5833202A (en) | 1994-11-15 | 1995-11-10 | Mechanical fastening system for modular micro-optical elements |
EP95939253A EP0739494B1 (de) | 1994-11-15 | 1995-11-10 | Mechanisches befestigungssystem für ein modular gefasstes mikrooptisches element |
DE59510207T DE59510207D1 (de) | 1994-11-15 | 1995-11-10 | Mechanisches befestigungssystem für ein modular gefasstes mikrooptisches element |
CA002181178A CA2181178C (en) | 1994-11-15 | 1995-11-10 | Mechanical fastening system for modular microoptical elements |
JP51572196A JP3489836B2 (ja) | 1994-11-15 | 1995-11-10 | モジュラー状に収納された顕微光学要素のための機械的固定システム |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4440772 | 1994-11-15 | ||
DEP4440772.6 | 1994-11-15 | ||
DE19533426A DE19533426A1 (de) | 1994-11-15 | 1995-09-11 | Mechanisches Befestigungssystem für ein modular gefaßtes mikrooptisches Element |
DE19533426.4 | 1995-09-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1996015467A1 true WO1996015467A1 (de) | 1996-05-23 |
Family
ID=25942013
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP1995/004423 WO1996015467A1 (de) | 1994-11-15 | 1995-11-10 | Mechanisches befestigungssystem für ein modular gefasstes mikrooptisches element |
Country Status (6)
Country | Link |
---|---|
US (1) | US5833202A (de) |
EP (1) | EP0739494B1 (de) |
JP (1) | JP3489836B2 (de) |
CA (1) | CA2181178C (de) |
DE (1) | DE59510207D1 (de) |
WO (1) | WO1996015467A1 (de) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19700549A1 (de) * | 1997-01-10 | 1998-07-16 | Alsthom Cge Alcatel | Vorrichtung zur präzisen Anordnung von mikrooptischen Bauteilen auf einem Träger |
DE10228053A1 (de) * | 2002-06-19 | 2004-01-15 | Carl Zeiss Jena Gmbh | Element und Verfahren zu seiner Herstellung, bei dem zwei in Bezug zu mindestens einer Justierachse positionierte Körper stoffschlüssig miteinander verbunden sind |
DE10228054A1 (de) * | 2002-06-19 | 2004-01-29 | Carl Zeiss Jena Gmbh | Optisches Element und Verfahren zu seiner Herstellung |
US7558453B2 (en) | 2004-05-28 | 2009-07-07 | Osram Opto Semiconductors Gmbh | Arrangement of a micro-optical component on a substrate, a method for adjustment of the arrangement, and an optical system with the arrangement |
WO2023089039A1 (de) * | 2021-11-19 | 2023-05-25 | Thaletec Gmbh | Verfahren zur bestimmung von ortspunkten auf einer emaillierten oberfläche, insbesondere einer emaillierten innenwandung eines behälters |
Families Citing this family (22)
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DE19653458A1 (de) * | 1996-12-20 | 1998-06-25 | Karlsruhe Forschzent | Verfahren zur Herstellung von Verformungsproben aus festen Einkristallen |
US5977567A (en) | 1998-01-06 | 1999-11-02 | Lightlogic, Inc. | Optoelectronic assembly and method of making the same |
US6049650A (en) * | 1998-04-17 | 2000-04-11 | Seagate Technology, Inc. | Structure for micro-machine optical tooling and method for making and using |
US6473553B1 (en) | 1998-04-17 | 2002-10-29 | Seagate Technology Llc | Apparatus for holding and engaging micro-machined objects and method for making same |
GB9828095D0 (en) * | 1998-12-21 | 1999-02-17 | Secr Defence Brit | Mount element |
US6227724B1 (en) * | 1999-01-11 | 2001-05-08 | Lightlogic, Inc. | Method for constructing an optoelectronic assembly |
US6511236B1 (en) | 1999-09-07 | 2003-01-28 | Intel Corporation | Optoelectronic assembly and method for fabricating the same |
US6207950B1 (en) | 1999-01-11 | 2001-03-27 | Lightlogic, Inc. | Optical electronic assembly having a flexure for maintaining alignment between optical elements |
DE10004661B4 (de) * | 2000-02-03 | 2008-10-16 | Leica Microsystems Cms Gmbh | Vorrichtung zum Schwenken eines Lichtstrahls |
US6443631B1 (en) | 2001-02-20 | 2002-09-03 | Avanti Optics Corporation | Optical module with solder bond |
US20040212802A1 (en) * | 2001-02-20 | 2004-10-28 | Case Steven K. | Optical device with alignment compensation |
US6546173B2 (en) * | 2001-02-20 | 2003-04-08 | Avanti Optics Corporation | Optical module |
US6956999B2 (en) | 2001-02-20 | 2005-10-18 | Cyberoptics Corporation | Optical device |
US6546172B2 (en) | 2001-02-20 | 2003-04-08 | Avanti Optics Corporation | Optical device |
US7044653B2 (en) * | 2001-09-07 | 2006-05-16 | Coherent, Inc. | Microassembly and method for using same |
US7126078B2 (en) | 2002-02-28 | 2006-10-24 | Emcore Corporation | Sub-micron adjustable mount for supporting a component and method |
US7430081B2 (en) * | 2002-02-28 | 2008-09-30 | Emcore Corporation | Sub-micron adjustable mount for supporting a component and method |
CN102439509B (zh) | 2009-05-05 | 2015-07-22 | 英特尔公司 | 无源对准方法及其在微投影装置中的应用 |
US7950291B2 (en) * | 2009-06-09 | 2011-05-31 | Ruskin Company | Instrument housing |
US9823351B2 (en) | 2012-12-18 | 2017-11-21 | Uber Technologies, Inc. | Multi-clad fiber based optical apparatus and methods for light detection and ranging sensors |
US9470520B2 (en) | 2013-03-14 | 2016-10-18 | Apparate International C.V. | LiDAR scanner |
AU2014352833B2 (en) | 2013-11-22 | 2019-12-05 | Aurora Operations, Inc. | LiDAR scanner calibration |
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1995
- 1995-11-10 CA CA002181178A patent/CA2181178C/en not_active Expired - Lifetime
- 1995-11-10 US US08/669,336 patent/US5833202A/en not_active Expired - Lifetime
- 1995-11-10 WO PCT/EP1995/004423 patent/WO1996015467A1/de active IP Right Grant
- 1995-11-10 JP JP51572196A patent/JP3489836B2/ja not_active Expired - Lifetime
- 1995-11-10 EP EP95939253A patent/EP0739494B1/de not_active Expired - Lifetime
- 1995-11-10 DE DE59510207T patent/DE59510207D1/de not_active Expired - Lifetime
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BE883589A (fr) * | 1980-05-30 | 1980-09-15 | S P R L Amplikart P V B A | Porte-lentille pliable par un mouvement giratoire de ce porte-lentille et objets equipes |
EP0051574A1 (de) * | 1980-10-31 | 1982-05-12 | Telefonaktiebolaget L M Ericsson | Vorrichtung zum einstellbaren Montieren eines optischen Richtgerätes |
US5131611A (en) * | 1991-04-26 | 1992-07-21 | The Perkin-Elmer Corporation | Method and apparatus for reactionless rotation |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19700549A1 (de) * | 1997-01-10 | 1998-07-16 | Alsthom Cge Alcatel | Vorrichtung zur präzisen Anordnung von mikrooptischen Bauteilen auf einem Träger |
US6064781A (en) * | 1997-01-10 | 2000-05-16 | Alcatel | Micro-optic device with means for precisely positioning micro-optic components |
DE10228053A1 (de) * | 2002-06-19 | 2004-01-15 | Carl Zeiss Jena Gmbh | Element und Verfahren zu seiner Herstellung, bei dem zwei in Bezug zu mindestens einer Justierachse positionierte Körper stoffschlüssig miteinander verbunden sind |
DE10228054A1 (de) * | 2002-06-19 | 2004-01-29 | Carl Zeiss Jena Gmbh | Optisches Element und Verfahren zu seiner Herstellung |
DE10228054B4 (de) * | 2002-06-19 | 2005-08-25 | Carl Zeiss Jena Gmbh | Optisches Element |
DE10228053B4 (de) * | 2002-06-19 | 2006-06-14 | Carl Zeiss Jena Gmbh | Element und Verfahren zu seiner Herstellung, bei dem zwei in Bezug zu mindestens einer Justierachse positionierte Körper stoffschlüssig miteinander verbunden sind |
US7558453B2 (en) | 2004-05-28 | 2009-07-07 | Osram Opto Semiconductors Gmbh | Arrangement of a micro-optical component on a substrate, a method for adjustment of the arrangement, and an optical system with the arrangement |
WO2023089039A1 (de) * | 2021-11-19 | 2023-05-25 | Thaletec Gmbh | Verfahren zur bestimmung von ortspunkten auf einer emaillierten oberfläche, insbesondere einer emaillierten innenwandung eines behälters |
Also Published As
Publication number | Publication date |
---|---|
DE59510207D1 (de) | 2002-06-20 |
EP0739494A1 (de) | 1996-10-30 |
US5833202A (en) | 1998-11-10 |
CA2181178C (en) | 2000-04-11 |
JP3489836B2 (ja) | 2004-01-26 |
JPH09511344A (ja) | 1997-11-11 |
EP0739494B1 (de) | 2002-05-15 |
CA2181178A1 (en) | 1996-05-23 |
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