WO2011120481A1 - Dispositif à module optique et porte-objectif - Google Patents

Dispositif à module optique et porte-objectif Download PDF

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Publication number
WO2011120481A1
WO2011120481A1 PCT/DE2010/001501 DE2010001501W WO2011120481A1 WO 2011120481 A1 WO2011120481 A1 WO 2011120481A1 DE 2010001501 W DE2010001501 W DE 2010001501W WO 2011120481 A1 WO2011120481 A1 WO 2011120481A1
Authority
WO
WIPO (PCT)
Prior art keywords
lens holder
optical module
optical device
connecting surfaces
optical
Prior art date
Application number
PCT/DE2010/001501
Other languages
German (de)
English (en)
Inventor
Gerhard Müller
Original Assignee
Conti Temic Microelectronic Gmbh
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Conti Temic Microelectronic Gmbh filed Critical Conti Temic Microelectronic Gmbh
Priority to DE112010005015T priority Critical patent/DE112010005015A5/de
Publication of WO2011120481A1 publication Critical patent/WO2011120481A1/fr

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Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B17/00—Details of cameras or camera bodies; Accessories therefor
    • G03B17/02—Bodies
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/50—Constructional details
    • H04N23/55—Optical parts specially adapted for electronic image sensors; Mounting thereof
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/50—Constructional details
    • H04N23/54—Mounting of pick-up tubes, electronic image sensors, deviation or focusing coils
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/57—Mechanical or electrical details of cameras or camera modules specially adapted for being embedded in other devices

Definitions

  • the invention relates to an optical device comprising an optical module (for example a lens) and a lens holder, wherein the optical module and the lens holder are connected to each other via an adhesive connection.
  • the invention also relates to a method for producing an optical device.
  • connection techniques For the connection of an optical module, for example a lens, with a carrier, for example a carrier housing, lens holder or camera housing, a variety of connection techniques are used.
  • the quality of the optical device depends crucially on the quality of the connection between the optical module and the lens holder and u results. a. from camera intrinsic tolerances and installation tolerances.
  • position and position tolerances, in particular roll, yaw and pitch angles, for example of the objective in the objective holder have a considerable influence on the functionality of a camera.
  • Verbmdungstechnik in general, a very good and long-term stable alignment of the optical module relative to the lens holder required.
  • an adhesive bead is interposed between an objective holder in which, for example, an image pickup element is disposed and an objective between two or more adhesive surfaces perpendicular to the optical axis of the objective or optical device are aligned.
  • an adhesive bead or the bond manufacturing tolerances of the individual components can be compensated.
  • the lens is inserted into the not yet cured adhesive on the lens holder and set the optimal orientation with respect to the longitudinal axis, or with respect to the optical axis. This fixes the position of the lens in the lens holder.
  • Such a device is known, for example, from DE 102 20 671 A1, in which an apparatus and a method for its production is described, comprising an optical module and an objective holder, which is arranged on a printed circuit board with image receiving element.
  • the optical module and the lens holder are designed as tubes, which are pushed into each other with an exact fit, whereby alignment with respect to the longitudinal axis or optical axis is possible.
  • the known optical devices and methods for aligning and connecting an optical module in / with a lens holder have the disadvantage that on the one hand there is a frequently complicated camera structure and an associated increased manufacturing complexity due to complex production parts. On the other hand, there is a need for a cumbersome and complicated adjustment. In addition, the possibility of alignment of the known optical devices is limited to a few degrees of freedom.
  • a disadvantage of other known devices for aligning and connecting an optical module in / with a lens holder is that shrinkages during curing of the adhesive directly affect the focusing of the optical device.
  • changes in adhesive expansion due to temperature changes and aging also directly affect the focus.
  • the invention is therefore an object of the invention to provide an optical device, wherein with the least possible manufacturing and adjustment effort, a connection between an optical module and a lens holder is made, which has a clear and defined orientation of the optical module to the lens holder at the same time.
  • An essential idea of the invention is to realize an alignment and / or a connection between an optical module, for example a lens comprising at least one lens, and an objective holder and / or a camera housing in which, in particular, an image-receiving element is arranged.
  • the connection should be designed so that on the one hand, the optical module and the lens holder are connected by introducing adhesive into a gap between the optical module and lens holder and adjustment options in all translational and rotational directions, ie with respect to six degrees of freedom preserved.
  • changes in the adhesive expansion for example as a result of curing, temperature change and / or aging, do not act in the critical direction of the focusing and thus adversely affect them.
  • the resulting due to changes in the adhesive forces are in particular distributed radially in an optical device according to the invention thereto.
  • This positive effect is preferably achieved by placing an adhesive bead between two bonding surfaces, wherein a bonding surface at the optical and Module and a connection surface is located on the lens holder and wherein the bead of adhesive radially, in particular in rotationally symmetrical design of the optical module, the optical axis of the optical device rotates and thereby results in a preferably in all directions of the same stress distribution.
  • the connecting surfaces are configured parallel to one another and parallel to the optical axis of the optical device.
  • the optical device comprises an optical module and an objective holder, wherein the optical module, for example a lens or a lens housing which comprises at least one lens, is connected to an objective holder via an adhesive connection.
  • the lens holder may, for example, also be a camera housing in which, in particular, an image recording element is arranged.
  • Both the optical module and the lens holder connecting surfaces are provided, via which the optical module and the lens holder are connected to each other by means of an adhesive connection.
  • an adhesive bead is preferably arranged between, for example, connecting surfaces parallel to the optical axis of the optical device and mutually parallel.
  • the connecting surfaces form a gap between the optical module and the objective holder, wherein the gap radially surrounds the optical module or the optical axis of the optical device.
  • the lens holder for this purpose have a rotationally symmetrical opening in which the optical module is mounted.
  • stresses that are caused for example by changes in the adhesive expansion, in particular arranged parallel to the optical axis connecting surfaces, approximately equally distributed in all spatial directions, so that no or only a very slight defocusing of the optical device takes place.
  • the hardening adhesive can be introduced before, after and / or during the adjustment of the optical device.
  • the adhesive is used in particular to compensate for tolerances, for example manufacturing tolerances.
  • the introduction of the curing adhesive is preferably carried out after the optical module has been introduced into the carrier housing and before an adjustment of the optical device, for example a focusing, has taken place.
  • the adhesive can be cured by means of UV light, for example.
  • the connection surfaces on the optical module and on the objective holder are preferably configured parallel to one another and parallel to the optical axis of the optical device. Alternatively, the connection surfaces may also have other embodiments.
  • the connecting surfaces can also be formed with a specific angle of inclination to the optical axis of the optical device, wherein the connecting surfaces are arranged in particular at a certain angle to each other and each with different inclination angles to the optical axis of the optical device, so that a tapering course of the through the Connecting surfaces formed adhesive gap is formed.
  • the connecting surfaces can also be configured parallel to one another and at the same angle of inclination at an angle to the optical axis.
  • the connecting surfaces may also be rounded or arcuate in shape and be aligned either parallel or mirror-image to each other.
  • the connecting surfaces on the optical module and / or on the lens holder can also be formed with one or more shoulders. It is particularly advisable to choose the configuration of the connecting surfaces or the adhesive gap between the optical module and lens holder according to the properties of the adhesive used. For example, in the case of UV-light-curing adhesives, it is advantageous to ensure that the UV light can illuminate the entire adhesive gap. Likewise, it may be helpful to adapt the adhesive gap to the viscosity of the adhesive and, for example, to choose the shape of the adhesive gap or the configuration of the bonding surfaces in accordance with the viscosity of the adhesive.
  • the optical module and lens holder are designed as hollow cylinders at least in the area of their connecting surfaces.
  • the optical module and / or the lens holder can also be configured beyond the region of the connecting surfaces as a hollow cylinder.
  • at least a region of the inner lateral surface of the region of the optical module configured as a hollow cylinder and at least a region of the outer lateral surface of the region of the objective holder configured as a hollow cylinder serve as connecting surfaces.
  • the inner radius designed as a hollow cylinder and serving as a connecting surface portion of the optical Module, designed with a certain excess of the outer radius, designed as a hollow cylinder and serving as a connecting surface portion of the lens holder.
  • the specific excess is to be understood as meaning a positive difference between the outer radius of the objective holder and the inner radius of the optical module, with regard to the abovementioned regions. If, for example, the adhesive arranged between the bonding surfaces accommodates tolerances of up to 200 ⁇ m, a gap with a width of 0.5 mm or a corresponding difference of the radii could be selected.
  • the optical device preferably with respect to all known translation directions or spatial directions and directions of rotation possible.
  • the optical module is rotationally symmetrical at least in the region of the connecting surfaces and / or has a rotationally symmetrical outer housing or a rotationally symmetrical outer surface.
  • the lens holder is designed at least in the region of the connecting surfaces with a rotationally symmetrical opening in which the optical module is mounted.
  • at least one region of the rotationally symmetrical outer surface of the optical module and at least one region of the inner surface of the rotationally symmetrical opening of the objective holder serve as connecting surfaces.
  • the connecting surfaces are preferably configured parallel to one another and parallel to the optical axis of the optical device.
  • the inner radius of the area of the objective holder which serves as a connection surface and is designed as a rotationally symmetrical opening is formed with a certain oversize relative to the outer radius of the rotationally symmetrical area of the optical module serving as connection area.
  • the specific excess is to be understood as a positive difference between the inner radius of the objective holder and the outer radius of the optical module, with regard to the abovementioned regions. This is, especially after positioning of the optical module in the lens holder and preferably in front of a Curing of the adhesive arranged between the bonding surfaces, an adjustment, z.
  • the optical device preferably with respect to all known translation directions or spatial directions and directions of rotation possible.
  • the optical module is designed to be rotationally symmetrical beyond the area of the connection surfaces or, for example, has a rotationally symmetrical outer housing beyond the area of the connection surfaces.
  • the optical module is preferably designed such that it has a larger outer radius in the region of the connecting surfaces than in the region of rotation-symmetrically configured beyond.
  • the objective holder is designed with a rotationally symmetrical opening extending beyond the region of the connecting surfaces.
  • the rotationally symmetrical opening is configured in such a way that it has a smaller inner radius in the area of the connecting surfaces than in the region of rotationally symmetrical design beyond.
  • the inner surface of the rotationally symmetrical opening of the objective holder is designed with at least one shoulder.
  • the heel is also rotationally symmetrical, in particular by a transitionless, for example conical, narrowing of the inner diameter of the opening of the lens holder in the joining direction, wherein the at least one paragraph serves in particular as a stop for the insertion depth of the optical module in the lens holder.
  • the at least one shoulder may be in the form of a collar on which the optical module is placed slightly below the setting range for the focusing of the optical device, so that, for example, can be dispensed with a holding of the optical module during the introduction of adhesive.
  • the at least one shoulder may for example be designed so that a pre-centering of the optical module takes place when inserted or inserted into the lens holder.
  • the at least one shoulder in the lens holder can be designed such that it has at least one oblique edge which, in particular in the case of rotationally symmetrical design of the opening in the lens holder and the optical module, in the joining direction, ie in the direction of in which the optical module is inserted into the lens holder, converges conically.
  • the objective holder is arranged on a printed circuit board, for example a flex printed circuit board, which is connected to an image receiving element via electrical contacts.
  • the image pickup element is arranged directly on the printed circuit board.
  • the image pickup element is preferably an image pickup chip or imager chip, for example a CMOS chip or CCD chip.
  • the lens holder is designed as a thin-walled and plate-shaped sheet metal part and in particular has a bent-up edge region.
  • the edge region of the objective holder is preferably oriented orthogonally to the plate surface, the plate surface and edge region being configured in particular with the same wall thickness.
  • the image pickup element is arranged directly on the lens holder.
  • the lens holder is formed with at least one wave-shaped shoulder, in particular in the embodiment of the lens holder as a sheet metal part.
  • the wave-shaped shoulder is formed on the side of the plate surface of the lens holder, on which the image receiving element is arranged.
  • the shoulder may be arranged, for example, circular or annular, around the image pickup element.
  • the image pickup element is arranged directly on the lens holder and a printed circuit board is arranged underneath the objective holder, wherein a contacting between image pickup element and printed circuit board takes place through at least one cutout in the lens holder.
  • the contacting takes place about bonds.
  • the objective holder is arranged on a carrier plate.
  • the support plate may be configured, for example, as a metal or ceramic plate.
  • an image pickup element and on the opposite side of the carrier plate a circuit board is arranged.
  • the image-receiving element is in particular connected via electrical contacts, for example bonds, preferably through at least one recess in the carrier plate to the printed circuit board. For contacting between the image receiving element and the printed circuit board, it is also possible to provide more than one cutout in the carrier plate.
  • the arrangement of the optical module and image receiving element on one side of the carrier plate and by arranging the circuit board on the other side of the carrier plate is an advantageous separation of passive components, in particular the circuit board and optionally further passive components, such as resistors, of such components by means of special Processes that could otherwise lead to contamination of the passive components, for example by means of adhesive bonding and / or soldering, must be applied to the support plate.
  • the purpose of this separation is, for example, the avoidance of contamination of individual active and passive components, for example the image-receiving element.
  • the passive components are mounted on the circuit board and the image pickup element is applied to the carrier plate in a later process step.
  • the material of the support plate can be advantageously selected according to the requirements of the adhesion and the expansion coefficient of the lens holder.
  • the optical module is connected to the objective holder by means of an adhesive connection.
  • connecting surfaces are provided on the optical module and the lens holder, between which adhesive can be arranged.
  • the viscosity of the adhesive substance is chosen so that it does not flow out of the region of the connecting surfaces.
  • the adhesive can be pressed into the gap between the bonding surfaces.
  • the connecting surfaces on the optical module and on the objective holder are preferably designed such that they can be positioned parallel to the optical axis of the optical device and parallel to one another.
  • the optical module and the objective holder are positioned relative to one another, wherein, in particular, an orientation of the, for example, parallel connecting surfaces of the optical module and the objective holder relative to one another takes place.
  • the optical module can be mounted in an opening of the objective holder, for example in an optical module with at least partially rotationally symmetrical ausgestaltetem housing and a lens holder with a rotationally symmetrical opening, or it can be stored in an opening of the optical module, the lens holder, for example at an at least regional configuration of the optical module and the lens holder as a hollow cylinder.
  • the adjustment preferably takes place with respect to all known degrees of freedom, ie with regard to three directions of translation or spatial directions and with respect to three directions of rotation or with respect to roll, yaw and pitch angles of the optical module in the objective holder and with regard to the focusing of the optical device.
  • the optical module is designed rotationally symmetrical, can be dispensed with an orientation with respect to individual rotational directions.
  • the adjustment can be made after the introduction of the adhesive, when initially a coarse positioning of the optical module and the lens holder is carried out to each other.
  • Fig. 1 shows an example of an optical device known in the art.
  • a bead of adhesive 5 is dimensioned so that manufacturing tolerances of the individual components can be compensated.
  • the fact that the adhesive 5 is applied between two bonding surfaces 7 and 8, which are arranged orthogonal to the optical axis 6 of the optical device, in this case has the disadvantage that the hardening of the adhesive 5 directly on the focusing of the optical Device affects what is shown in Fig. 1 by a possible change in direction along the optical axis 6. The possible change in direction is shown in Fig. 1 by a double arrow to the left of the optical device.
  • the objective holder 3 is connected via a printed circuit board 9 to an image-receiving element 4, in this case an image chip or imager chip.
  • the optical module 2 comprises a plurality of lenses 10. Both objective holder 3 and optical module 2 are designed to be rotationally symmetrical, for example.
  • FIG. 2 shows an example of an optical device 1 according to the invention, comprising an optical module 2, an objective holder 3, an image-receiving element 4 and a printed circuit board 9.
  • adhesive 5 is arranged between two connecting surfaces 7 and 8 which are parallel to one another optical axis 6 of the optical device 1 and are oriented parallel to each other.
  • the lens holder 3 has in this case a rotationally symmetrical opening 11 and the optical module 2 via a rotationally symmetrical housing. Both the optical module 2 and the lens holder 3 are Connecting surfaces 7 and 8 are provided, via which the optical module 2 and the lens holder 3 are connected to each other by means of an adhesive connection 5.
  • the optical module 2 is configured rotationally symmetrical beyond the area of the connecting surfaces 12 or has a rotationally symmetrical housing beyond this area, wherein the optical module 2 has a larger outer radius in the area of the connecting surfaces 12 than in the region of rotationally symmetrical configuration beyond.
  • the lens holder 3 is also configured beyond the region of the connecting surfaces 12 with a rotationally symmetrical opening 11, wherein the lens holder 3 in the region of the connecting surfaces has a smaller réelleradius- or ⁇ ffhungsradius than in the beyond rotationally symmetrical designed area.
  • the arrow in Fig. 2 defines the joining direction 16, in which the optical module 2 is inserted and positioned in the opening 11 of the lens holder 3.
  • the connecting surfaces 7 and 8 are aligned parallel to each other and parallel to the optical axis 6 of the optical device 1, wherein they rotate due to the rotationally symmetrical structure of the optical module 2 and the opening 11 in the lens holder 3, the optical axis 6 of the optical device 1 radially.
  • the adhesive 5 is arranged in particular in the region of the connecting surfaces 12 in a gap 13 between the connecting surfaces 7 and 8.
  • the gap 13 thereby revolves the optical axis 6 of the optical device 1 and is designed in particular with a certain width, so that before and after the introduction of adhesive 5 into the gap 13, but before complete curing of the adhesive 5, an adjustment of the optical Device 1 can be done.
  • optical device 1 Particularly advantageous in this embodiment of the optical device 1 is that an adjustment of the optical device 1, for example in the form of an alignment of the optical module 2 and the lens holder 3 to each other and an adjustment of the optical axis 6 and a focusing of the optical device 1, in all known translation directions or spatial directions and with respect to all directions of rotation, for example, roll, pitch and yaw angle of the optical module in the lens holder, can be done.
  • the adjustment can be done for example by adjusting the roll, pitch and yaw angle and the insertion depth of the optical module 2 in the lens holder 3, in particular before and / or after an adhesive assembly and optionally before and / or during the adhesive curing.
  • the objective holder 3 is connected via a printed circuit board 9 to an image pickup element 4, in this case an image chip or imager chip, and in particular a BGA imager.
  • BGA in this case stands for Ball Grid Array.
  • Ball Grid Array is a package form of integrated circuits in which the connections for later placement are compact on the bottom of the chip. The connections are small solder balls (English, balls), the side by side, in particular in a grid (engl, grid) of columns and rows are.
  • the optical module 2 comprises a plurality of lenses 10. Both objective holder 3 and optical module 2 are designed to be rotationally symmetrical, for example. Both objective holder 3 and optical module 2 can also be designed in several parts according to the invention, or a different shape than in FIG.
  • FIG. 3 shows a further example of an optical device 1 according to the invention.
  • the optical device 1 is constructed in large parts in accordance with the description of FIG. 2, whereas in FIG. 3, a collar or a shoulder 14 in the rotationally symmetrical opening 11 of the lens holder 3 is arranged.
  • both the carrier housing and the optical module can also be designed in several parts, or have a different shape than shown in FIG.
  • the shoulder 14 in the lens holder 3 is used for alignment or positioning of the optical module 2 in the lens holder 3.
  • the shoulder 14 in the opening 11 of the lens holder 3 is formed so that the optical module 2 slightly below the adjustment for the Focusing is discontinued, so that can be dispensed with a holding of the optical module 2 during the introduction of the adhesive 5.
  • FIG. 4 shows a further example of an optical device 1 according to the invention.
  • the optical device 1 is constructed in large parts in accordance with the description of FIG. 3, whereas in Fig. 4, the paragraph 14 in the lens holder
  • the oblique edge 15 of the heel 14 in the lens holder 3 is formed so that they converge in the joining direction 16, ie in the direction in which the optical module 2 is inserted into the lens holder 3, conically.
  • the shoulder 14 is arranged so that the optical module 2 is deposited slightly below the adjustment range for the focusing of the optical device 1, so that can be dispensed with a holding of the optical module 2 during introduction and / or curing of the adhesive 5.
  • FIG. 5 shows a further example of an optical device 1 according to the invention.
  • the optical device 1 is fundamentally constructed comparable to the device from FIG. Unlike in Fig. 2, the lens holder 3 is designed as a thin-walled and plate-shaped sheet metal part with a uniform wall thickness in Fig. 5.
  • the lens holder 3 also has a bent-up edge region 17, which is oriented orthogonally to the plate surface 18.
  • the lens holder 3 can this example, as Guß, Diecasting, stamping, thermoforming and / or pressing part to be designed.
  • the lens holder 3 comprises a wave-shaped shoulder 19.
  • the wave-shaped shoulder 19 is formed on the plate side of the lens holder 3, on which an image pickup element 4 is arranged on the lens holder 3.
  • the shoulder 19 is in the end formed around the image-receiving element 4, so that an inner volume 20 is delimited, in which potting compound 21 is arranged.
  • the image pickup element 4 is connected via electrical contacts, in this case via bonds 22, to a printed circuit board 9, which is arranged below the lens holder 3 or from the opposite side of the image pickup 4 plate side of the lens holder 3, wherein the contacts 22 by two recesses 23 in Lens holder 3 l are performed.
  • a method for producing an optical device 1 according to FIG. 5 for example, initially an image pickup element 4 can be arranged on an objective holder 3, wherein the image pickup element 4 is arranged in particular in an inner volume 20 which is delimited by a wave-shaped shoulder 19.
  • the lens holder 3 with image receiving element 4 can then be arranged on a printed circuit board 9.
  • a contact between image pickup element 4 and printed circuit board 9 is preferably configured by wire bonds 22, which are felt through recesses 23 in the lens holder 3.
  • potting compound 21, preferably around the image recording element 4 around are arranged in the inner volume 20, whereby in particular an electrical insulation of the contacts 22 takes place.
  • the lens holder 3 of Fig. 5 is shown in plan view.
  • the lens holder 3 is designed according to the description of FIG. 5 as a thin-walled and plate-shaped sheet metal part with bent-up edge portion 17, a plate surface 18 and a wave-shaped shoulder 19 of an inner volume 20 limited, may be arranged in the potting compound 21.
  • the image pickup element 4 is in this case connected via electrical contacts, in this case via bonds 22, to a printed circuit board (not shown in FIG. 6) which is arranged on the plate side of the objective holder 3 opposite the image space element 4.
  • FIG. 7 shows a further example of an optical device 1 according to the invention.
  • the optical device 1 is largely constructed in accordance with the description of FIG.
  • the optical module 2 is formed in this case in the region of the connecting surfaces 12 as a hollow cylinder.
  • the lens holder 3 also has in the region of the connecting surfaces 12 via a hollow cylindrical configuration.
  • To connect the optical module 2 with the lens holder 3 by means of an adhesive connection 5 serve two connecting surfaces 7 and 8, wherein the inner circumferential surface of the optical module 2 serves as a connecting surface 7 and the outer surface of the lens holder 3 as the second connecting surface 8.
  • an optical device 1 according to the invention is shown, which is constructed according to the description of Fig. 5, wherein in Fig. 8, the circuit board 9 is arranged on the lens holder 3, additionally provided with balls 24. This results in an interface to further electrical and / or electromechanical components with which the optical device 1 can be connected.
  • FIG. 9a an optical device 1 according to the invention is shown, which is constructed according to the description of FIG.
  • FIGS. 9b to 9e possible design variants of the connecting surfaces 7 and 8 on the optical module 2 and on the Lens holder 3 shown.
  • the connecting surfaces 7 and 8 on the optical module 2 and the lens holder 3 are not parallel but configured with a certain inclination angle to the optical axis 6 of the optical device 1. This results in the sectional view of a tapered or triangular course of the adhesive gap 13 in the joining direction 16.
  • the connecting surfaces 7 and 8 in Fig. 9b also have different angles of inclination to the optical axis 6.
  • the inclination angles of the connecting surfaces 7 and 7 can be selected in the range of greater than 0 ° to less than 90 ° in the positive or negative direction. However, the inclination angles are preferably in the range between 10 ° and 80 ° to the optical axis 6 of the optical device 1.
  • the connecting surfaces 7 and 8 on the optical module 2 and the lens holder 3 are parallel to each other and each with the same inclination angle to the optical axis 6 of the optical device 1 aligned.
  • the connecting surfaces 7 and 8 on the optical module 2 and on the objective holder 3 are aligned parallel to one another and parallel to the optical axis 6 of the optical device 1, in this case corresponding to FIG.
  • a step 25 is provided on the connecting surfaces 7 and 8.
  • a shoulder 25 could also be formed on only one of the connecting surfaces 7 or 8.
  • the connecting surfaces 7 and 8 on the optical module 2 and the lens holder 3 are arcuately designed and mirror images of each other.
  • the connecting surfaces 7 and 8 in FIG. 9e could also be designed in an arcuate manner so that the connecting surfaces 7 and 8 run parallel to one another.

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  • Physics & Mathematics (AREA)
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Abstract

L'invention concerne un dispositif optique (1) et un procédé de fabrication dudit dispositif, un module optique (2), par exemple un objectif, étant relié à un porte-objectif (3) par le biais d'une liaison adhésive (5). A cet effet, le module optique (2) tout comme le porte-objectif (3) présentent des surfaces de liaison (7, 8) placées de façon à entourer radialement l'axe optique (6) du dispositif optique (1).
PCT/DE2010/001501 2010-04-01 2010-12-18 Dispositif à module optique et porte-objectif WO2011120481A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE112010005015T DE112010005015A5 (de) 2010-04-01 2010-12-18 Vorrichtung mit optischem Modul und Objektivhalter

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010013901.7 2010-04-01
DE102010013901 2010-04-01

Publications (1)

Publication Number Publication Date
WO2011120481A1 true WO2011120481A1 (fr) 2011-10-06

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PCT/DE2010/001501 WO2011120481A1 (fr) 2010-04-01 2010-12-18 Dispositif à module optique et porte-objectif

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DE (1) DE112010005015A5 (fr)
WO (1) WO2011120481A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024017443A1 (fr) 2022-07-19 2024-01-25 Continental Autonomous Mobility Germany GmbH Module de caméra et procédé de production d'un module de caméra
DE102022208782A1 (de) 2022-07-19 2024-01-25 Continental Autonomous Mobility Germany GmbH Kameramodul und Verfahren zur Herstellung eines Kameramoduls

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016215955A1 (de) 2016-08-25 2018-03-01 Conti Temic Microelectronic Gmbh Optische Vorrichtung zur Bilderfassung

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US20040189862A1 (en) * 2003-03-31 2004-09-30 Dialog Semiconductor Gmbh Miniature camera module
US20060126190A1 (en) * 2004-11-24 2006-06-15 Varioptic S.A. Lens of variable focal length
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DE102022208782A1 (de) 2022-07-19 2024-01-25 Continental Autonomous Mobility Germany GmbH Kameramodul und Verfahren zur Herstellung eines Kameramoduls

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