WO2003091784A1 - Verfahren zur herstellung einer keilfreien klebefuge - Google Patents
Verfahren zur herstellung einer keilfreien klebefuge Download PDFInfo
- Publication number
- WO2003091784A1 WO2003091784A1 PCT/CH2003/000261 CH0300261W WO03091784A1 WO 2003091784 A1 WO2003091784 A1 WO 2003091784A1 CH 0300261 W CH0300261 W CH 0300261W WO 03091784 A1 WO03091784 A1 WO 03091784A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- adhesive
- component
- flat surface
- phase
- flat
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/28—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising
- G02B27/283—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising used for beam splitting or combining
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J5/00—Adhesive processes in general; Adhesive processes not provided for elsewhere, e.g. relating to primers
Definitions
- the invention relates to a method according to claim 1 for producing an optical component with a wedge-free lifeline.
- Optical components with a parallel adhesive joint are often required, for example, in the field of imaging optics.
- very narrowly specified individual components are used with regard to angular tolerances, the optical and mechanical connection of which must meet high requirements with regard to alignment and orientation.
- undefined adhesive wedges should be avoided. Mapping is often carried out through the connected surfaces.
- the interconnected surfaces can therefore be designed as uncoated transmitting interfaces.
- these surfaces to be connected can also be coated and thus formed as interfaces with an optical function. In this way, polarization beam splitters or color splitters can be implemented. Specifically, the use of such components is widespread, among other things, in projectors and microscopes.
- DE 4414915 AI discloses an alternative procedure for structured surfaces.
- the surfaces to be glued are first placed on top of each other.
- the viscous adhesive is then fed in over the edges of the surfaces to be glued.
- channels are provided in at least one of the surfaces. Due to the capillary forces, the adhesive is pulled inside and spread over the surfaces to be glued.
- This procedure avoids the disadvantageous circling to dislodge any air pockets. Since the two surfaces are aligned parallel to each other from the start, no further correction steps are required. In particular, this process can be easily automated, which enables economical mass production.
- a major limitation for the applicability of such an adhesive process is, however, the fact that at least one of the surfaces to be bonded must be a structured surface, since two flat surfaces lie too close to one another and make it impossible for the adhesive to penetrate using capillary forces.
- the bonding of the flat surfaces comprises a process step in which the adhesive is applied to a surface in the form of a simply connected volume in the middle and preferably in one uninterrupted work step.
- the procedure according to the invention also comprises, after the second surface has largely approached the first surface, a phase of attraction in which essentially gravity and capillary force ensure the approximation.
- the continuous application of the adhesive prevents air pockets from forming in the adhesive volume itself. To that by demanding 'the adhesive volume simply connected his example rings are excluded concluded, which would in turn promote the formation of air bubbles. If it is now ensured that when the second surface is approached to a large extent parallel to the first and both surfaces are already in contact with the adhesive, the adhesive will change in the phase of attraction due to the capillary forces and possibly with the help of gravity spread the entire surface to the edge.
- the adhesive is applied in the middle, ie it is applied in such a way that each point on the edge of the surfaces is at least approximately the same distance from the edge of the adhesive volume. As a result, the parallelism of the surfaces is maintained because the edge of the adhesive volume strives evenly towards the edge of the surfaces to be glued.
- Fig.l an optical component with a wedge-free adhesive joint in cross section
- Fig.2a a conical component with adhesive applied to the circular flat surface in cross section.
- 2a shows a plan view of the conical component with the adhesive applied according to FIG. 2a.
- 2b shows a cross section of a prism with adhesive applied according to the invention on the square hypothenus surface.
- 2b shows a top view of the prism with the adhesive according to the invention applied to the square hypotenuse surface according to FIG. 2b.
- 2c shows a prism with adhesive applied according to the invention on the rectangular hypotenuse surface.
- Fig. 2 ⁇ is a top view of the prism with the adhesive applied according to the invention on the rectangular hypotenuse surface according to Fig. 2c.
- the coated hypotenuse surface is aligned very precisely to the uncoated hypotenuse surface by placing the second prism 21 on the first prism 19, 3a and 3b, ii) The second prism 21 is now gripped by means of a gripper 15 and raised vertically from the first prism 19 in a first movement section to a first lifting position, the orientation of the second prism 21 being maintained , as shown in Figure 3c. iii) The second prism 21 is then transferred to a first position in a second movement section, the starting position is for the approach of the second prism to the first prism provided after the adhesive 11 has been applied, as shown in FIG. 3d.
- a component holder 17 can be used to position the first prism 19.
- the adhesive 11 is applied to the center of the first prism 19. This is shown in Figure 3e.
- the shape of the applied adhesive has when influencing the distribution behavior. If, as in the example, rectangular surfaces are to be glued, it is advantageous to draw a line parallel to the longer side of the rectangle. If this line were to run across the entire surface, it would have to be homogeneous in its thickness in order to ensure uniform spreading. Experiments have shown that it is advantageous to end the line at a distance from the shorter side of the rectangle which corresponds approximately to a quarter of the length of the shorter side of the rectangle. It is also advantageous to apply a little more adhesive at the ends of the line. This creates a dumbbell-shaped one
- the total amount of adhesive applied ultimately determines the thickness of the adhesive joint. If, for example, the surfaces to be bonded are to have a content of 10 cm 2 each and the adhesive joint is to be 10 ⁇ m thick at the end, an adhesive volume of 10 mm 3 is required. If the amount of adhesive applied is too small, there is a risk that the capillary forces will not be sufficient to completely wet the surfaces. Too much glue applied can mean that glue comes over the edge of the surfaces to be glued. Experience shows that quantities of adhesive that lead to a thickness of the adhesive joint of 1 ⁇ m to 50 ⁇ are suitable. Of course, this depends very much on the properties of the adhesive used. After the adhesive has been applied, the second prism 21 is approximated from the first position to the first prism 19. This happens in three phases: the phase of comparison, the intermediate phase and the phase of attraction.
- the hypotenuse surface of the second prism 21 is brought from the first position into a first intermediate position, in which the hypotenuse surface of the second prism 21 is positioned such that the two hypotenuse surfaces are aligned parallel and laterally at a first distance face each other in an approximately aligned manner.
- the hypotenuse surface of the second prism 21 has no contact with the adhesive in the first intermediate position. Therefore, the approximation can take place very quickly in the phase of comparison. Since the following phases of the approximation have to take place much more slowly, it is advantageous to choose the first distance smaller than 1mm.
- the height of the applied adhesive rarely exceeds 0.3 mm. A first distance corresponding to 0.5 mm is therefore preferably selected. This rapid approximation to this small distance is possible in particular because the two hypothenus surfaces were aligned very precisely parallel to one another in the preparation step.
- the distances can change if the adhesive is additionally attracted to the second prism 21 by, for example, electrostatic forces, but the basic principle remains the same.
- the surface of the second prism 21 is transferred from the first intermediate position to a second intermediate position at a second distance from the surface of the first prism 19. This is shown in Figures 3f to 3h.
- the hypotenuse surface of the second prism 19 is already partial wetted with adhesive, ie during the transition from the first intermediate position to the second intermediate position, the hypotenuse surface of the second prism 21 is contacted by the adhesive. If this contacting, shown in FIG. 3g, takes place too quickly, air bubbles often form in the adhesive which can no longer be removed.
- the intermediate phase is therefore preferably driven with a speed profile.
- the average speed is throttled to values less than or equal to 0.04 mm / s, preferably 0.025 mm / s.
- the second intermediate position is typically chosen such that in this position the surfaces to be glued are 70% wetted with adhesive, as shown in FIG.
- FIG. 3h In the now following phase of attraction, the gripper 15 is opened and removed, as FIG. 3h also shows. Due to the now acting capillary forces and possibly gravity, the adhesive is now spread over the entire area of the surfaces to be bonded. Due to the initial geometry of the applied adhesive, the spreading takes place evenly on all sides. The parallelism of the hypotenuse surfaces is therefore very well preserved, while the second prism 21 is lowered onto the first prism 19. This spreading process stops as soon as the adhesive has reached the prism edge. In a last step, the adhesive 11 must now be cured. For optical applications, especially if Optical glue is used to transmit light through the bonded surfaces. There are two-component adhesives that are self-curing over time. However, if the components to be glued are made of a material that is at least partially transparent to UV light, the use of a UV-curing adhesive is advantageous.
- a hypotenuse surface is coated with a polarization-dividing layer system.
- any optically functional layer system consisting of at least one layer can be applied.
- color filters or diffraction structures or a combination of these elements can also be applied.
- both surfaces to be glued can carry an optically functional layer, the behavior of which after gluing add up to an optical sum function.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Mounting And Adjusting Of Optical Elements (AREA)
- Insulation, Fastening Of Motor, Generator Windings (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Standing Axle, Rod, Or Tube Structures Coupled By Welding, Adhesion, Or Deposition (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2003218593A AU2003218593A1 (en) | 2002-04-25 | 2003-04-22 | Method for producing a wedge-free bonded joint |
DE50310071T DE50310071D1 (de) | 2002-04-25 | 2003-04-22 | Verfahren zur herstellung einer keilfreien klebefuge |
EP03711780A EP1502147B1 (de) | 2002-04-25 | 2003-04-22 | Verfahren zur herstellung einer keilfreien klebefuge |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH7012002 | 2002-04-25 | ||
CH701/02 | 2002-04-25 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2003091784A1 true WO2003091784A1 (de) | 2003-11-06 |
WO2003091784B1 WO2003091784B1 (de) | 2004-03-04 |
Family
ID=29256405
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CH2003/000261 WO2003091784A1 (de) | 2002-04-25 | 2003-04-22 | Verfahren zur herstellung einer keilfreien klebefuge |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP1502147B1 (de) |
AT (1) | ATE400002T1 (de) |
AU (1) | AU2003218593A1 (de) |
DE (1) | DE50310071D1 (de) |
TW (1) | TW200305623A (de) |
WO (1) | WO2003091784A1 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015197126A1 (de) * | 2014-06-26 | 2015-12-30 | Ev Group E. Thallner Gmbh | Verfahren zum bonden von substraten mit verteilen eines verbindungsmaterials durch annähern der substrate |
DE102015100635A1 (de) * | 2015-01-16 | 2016-07-21 | Preh Gmbh | Anordnung zum vollflächigen Verkleben von im Wesentlichen kongruenten Klebeflächen eines ersten und zweiten Fügepartners |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4414915A1 (de) * | 1994-04-28 | 1995-11-02 | Karlsruhe Forschzent | Verfahren zum Kleben von Mikrostrukturen |
US5683480A (en) * | 1986-06-18 | 1997-11-04 | Canon Kabushiki Kaisha | Method of bonding two prisms with a hydrolysis product |
JP2000191985A (ja) * | 1998-12-25 | 2000-07-11 | Seiko Epson Corp | 部材の貼り合わせ方法、貼り合わせ体の製造方法及び貼り合わせ装置 |
US6212014B1 (en) * | 1997-09-29 | 2001-04-03 | Lsa, Inc. | MWIR polarizing beamsplitter cube and method of making the same |
US6245187B1 (en) * | 1996-06-05 | 2001-06-12 | Siemens Aktiengesellschaft | Mechanically firm glued connections between surfaces and the method for producing the same |
-
2003
- 2003-04-21 TW TW092109210A patent/TW200305623A/zh unknown
- 2003-04-22 DE DE50310071T patent/DE50310071D1/de not_active Expired - Fee Related
- 2003-04-22 EP EP03711780A patent/EP1502147B1/de not_active Expired - Lifetime
- 2003-04-22 AU AU2003218593A patent/AU2003218593A1/en not_active Abandoned
- 2003-04-22 WO PCT/CH2003/000261 patent/WO2003091784A1/de active IP Right Grant
- 2003-04-22 AT AT03711780T patent/ATE400002T1/de not_active IP Right Cessation
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5683480A (en) * | 1986-06-18 | 1997-11-04 | Canon Kabushiki Kaisha | Method of bonding two prisms with a hydrolysis product |
DE4414915A1 (de) * | 1994-04-28 | 1995-11-02 | Karlsruhe Forschzent | Verfahren zum Kleben von Mikrostrukturen |
US6245187B1 (en) * | 1996-06-05 | 2001-06-12 | Siemens Aktiengesellschaft | Mechanically firm glued connections between surfaces and the method for producing the same |
US6212014B1 (en) * | 1997-09-29 | 2001-04-03 | Lsa, Inc. | MWIR polarizing beamsplitter cube and method of making the same |
JP2000191985A (ja) * | 1998-12-25 | 2000-07-11 | Seiko Epson Corp | 部材の貼り合わせ方法、貼り合わせ体の製造方法及び貼り合わせ装置 |
Non-Patent Citations (1)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 2000, no. 10 17 November 2000 (2000-11-17) * |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015197126A1 (de) * | 2014-06-26 | 2015-12-30 | Ev Group E. Thallner Gmbh | Verfahren zum bonden von substraten mit verteilen eines verbindungsmaterials durch annähern der substrate |
US9929124B2 (en) | 2014-06-26 | 2018-03-27 | Ev Group E. Thallner Gmbh | Method for bonding substrates |
AT523072B1 (de) * | 2014-06-26 | 2021-05-15 | Ev Group E Thallner Gmbh | Verfahren zum Bonden von Substraten |
AT523072A5 (de) * | 2014-06-26 | 2021-05-15 | Ev Group E Thallner Gmbh | Verfahren zum Bonden von Substraten |
DE102015100635A1 (de) * | 2015-01-16 | 2016-07-21 | Preh Gmbh | Anordnung zum vollflächigen Verkleben von im Wesentlichen kongruenten Klebeflächen eines ersten und zweiten Fügepartners |
Also Published As
Publication number | Publication date |
---|---|
WO2003091784B1 (de) | 2004-03-04 |
TW200305623A (en) | 2003-11-01 |
AU2003218593A1 (en) | 2003-11-10 |
ATE400002T1 (de) | 2008-07-15 |
EP1502147A1 (de) | 2005-02-02 |
DE50310071D1 (de) | 2008-08-14 |
EP1502147B1 (de) | 2008-07-02 |
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