WO2004074892A1 - 光伝送媒体の接続方法、光学接続構造及び光伝送媒体接続部品 - Google Patents
光伝送媒体の接続方法、光学接続構造及び光伝送媒体接続部品 Download PDFInfo
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- WO2004074892A1 WO2004074892A1 PCT/JP2004/001948 JP2004001948W WO2004074892A1 WO 2004074892 A1 WO2004074892 A1 WO 2004074892A1 JP 2004001948 W JP2004001948 W JP 2004001948W WO 2004074892 A1 WO2004074892 A1 WO 2004074892A1
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- Prior art keywords
- transmission medium
- optical transmission
- optical
- alignment
- groove
- Prior art date
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Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/3628—Mechanical coupling means for mounting fibres to supporting carriers
- G02B6/3632—Mechanical coupling means for mounting fibres to supporting carriers characterised by the cross-sectional shape of the mechanical coupling means
- G02B6/3636—Mechanical coupling means for mounting fibres to supporting carriers characterised by the cross-sectional shape of the mechanical coupling means the mechanical coupling means being grooves
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/245—Removing protective coverings of light guides before coupling
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/30—Optical coupling means for use between fibre and thin-film device
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4219—Mechanical fixtures for holding or positioning the elements relative to each other in the couplings; Alignment methods for the elements, e.g. measuring or observing methods especially used therefor
- G02B6/4228—Passive alignment, i.e. without a detection of the degree of coupling or the position of the elements
- G02B6/423—Passive alignment, i.e. without a detection of the degree of coupling or the position of the elements using guiding surfaces for the alignment
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/3628—Mechanical coupling means for mounting fibres to supporting carriers
- G02B6/3648—Supporting carriers of a microbench type, i.e. with micromachined additional mechanical structures
- G02B6/3652—Supporting carriers of a microbench type, i.e. with micromachined additional mechanical structures the additional structures being prepositioning mounting areas, allowing only movement in one dimension, e.g. grooves, trenches or vias in the microbench surface, i.e. self aligning supporting carriers
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3801—Permanent connections, i.e. wherein fibres are kept aligned by mechanical means
Definitions
- the present invention relates to a method for connecting an optical transmission medium, an optical connection structure, an optical transmission medium connection component, and an optical circuit component.
- the optical transmission medium is installed from above, and the position of the optical transmission media can be easily determined.
- the present invention relates to an optical transmission medium connection method that can be combined, an optical transmission medium optical connection structure formed thereby, and an optical transmission medium connection component used therefor.
- connection parts for optical transmission media connection parts such as FC, SC, MU and LC are provided for single-core connection, and MP ⁇ , MPX and MTP types are provided for multi-core connection.
- these connectors are capable of connecting optical fibers by abutting from the axial direction of the optical fiber (Japanese Patent Application Laid-Open No. Hei 8-5869 and Japanese Patent Laid-Open No. Hei 8-24074). No. 6).
- MP ⁇ type optical connectors by inserting optical connector plugs from both sides facing the optical connector adapter, the optical connector plugs are positioned within the internal housing built into the optical connector adapter, and the optical connector plug is positioned.
- the MT connector ferrules held at the tip of the are abutted and connected.
- push-pull systems have been proposed that facilitate the insertion and removal of optical fibers in the axial direction.However, these bush-pull connectors are designed to be inserted and removed in the axial direction of the optical fiber to be connected.
- an adapter mounted on the device wall such as a plane, there is a feature that an optical fiber can be easily connected.
- the optical fiber Due to the extra length, the optical fiber becomes bulky on the motherboard and in the device, and an excessive space is required. Furthermore, when a multi-mode optical fiber is used, extra slack is generated in the optical fiber, and excessive modal noise is generated, which may greatly affect the optical characteristics of the device.
- an object of the present invention is to connect an optical transmission medium drawn out from an end of an optical element, an optical circuit package, an optical circuit device, or the like, particularly an optical fiber, and particularly to a printed circuit board (for example,
- the connecting members plugs
- the connection work of the optical transmission medium and the formed optics can be performed without burdening the connection work by the operator, the optical transmission medium is not damaged, and the space on the substrate can be used effectively.
- the step of mounting the optical transmission medium on the connection member includes the step of mounting the optical transmission medium on the connection member and the alignment member having the alignment groove. Arranging the optical transmission medium and the opening of the alignment groove of the alignment member so as to face each other; moving at least the end of the optical transmission medium to be optically connected to the alignment groove;
- the method is characterized in that it has a step of abutting an end with an end of another optical transmission medium.
- the connection member on which the optical transmission medium is mounted has a storage groove, and the optical transmission medium is mounted in the storage groove.
- connection member having a through hole opened at a portion where the optical transmission medium is placed, and pressing the optical transmission medium inserted into the through hole
- One having a pressing member for performing the pressing is preferably used. Then, when the optical transmission medium is placed, at least the end of the optical transmission medium is pushed out by pressing the pressing member inserted into the through hole.
- the connection member has a storage groove for mounting the optical transmission medium, and a through hole is opened in the storage groove.
- the connection member includes a substrate having a through hole or a notch for inserting the pressing member, and a storage plate having a storage groove for mounting the optical transmission medium, and the storage groove includes a pressing member. An opening reaching one end of the storage groove may be formed so that the optical transmission medium can be moved by being pressed. Further, a storage plate having a groove for storing the optical transmission medium on the pressing surface may be fixed to the pressing member.
- An optical connection structure for an optical transmission medium according to the present invention is formed by the above-described connection method, comprising: an alignment member having an alignment groove; and a connection in which the optical transmission medium is placed so as to face the opening of the alignment groove.
- a member, at least an optical transmission medium whose end to be optically connected is accommodated in the alignment groove of the alignment member, and another optical transmission medium optically connected to the optical transmission medium.
- the moved end of the optical transmission medium abuts the end of the other optical transmission medium in the alignment groove or at the end of the alignment groove. It is characterized by being.
- the connection member preferably has a storage groove in which the optical transmission medium is placed. Further, in the present invention, a plurality of alignment grooves and storage grooves may be present, so that a plurality of optical transmission media can be mutually connected.
- connection member having the storage groove has a through hole opened in the storage groove, and a pressing member is inserted into the through hole. It is preferable to have a structure in which at least the end to be optically connected is moved to the alignment groove. Further, in the present invention, the width of the opening of the alignment groove is preferably larger than the width of the opening of the storage groove.
- an alignment member having an alignment groove such as a V-shaped groove used for optical connection is provided.
- a connection member for mounting an optical fiber or the like thereon, and having a storage groove for storing an optical fiber in particular, or a means for moving the mounted optical fiber or the like in the direction of the alignment groove is provided.
- the optical fiber and the like are connected by using a device provided with a pressing means for pushing out the optical fiber and the like, an upper and lower step is generated in the connection portion between the two connected optical fibers and the like. In some cases. As long as it has this feature, it can be said that the product is obtained by implementing the present invention. (The invention's effect)
- the optical connection of the optical transmission medium can be performed by installing the connecting member on the alignment member from above.
- the upper space can be used effectively, and the connection work can be easily performed from above without any burden, thereby significantly improving work efficiency. Therefore, the product yield is improved. Furthermore, no special parts are required for improving the positioning accuracy, and the number of parts can be reduced, so that optical connection can be performed at low cost.
- connection member When the connection member has a storage groove, a structure having an optical fiber drawn out from an end of an optical element, an optical circuit package, an optical circuit device, or the like is used as a print base.
- a structure having an optical fiber drawn out from an end of an optical element, an optical circuit package, an optical circuit device, or the like is used as a print base.
- the optical transmission medium comes into contact with other members because the optical transmission medium is protected by the storage groove. No breakage or damage.
- the connection member for aligning and connecting the axes is aligned with the alignment member.
- the connection member can be placed on the alignment member from above to perform the optical connection of the optical transmission medium, so that the space on the printed wiring board can be effectively used.
- the optical transmission medium since the optical transmission medium is protected by the storage groove at the time of connection, the optical transmission medium does not come into contact with other members and is not damaged or damaged.
- the optical transmission medium optically connects optical fibers, particularly optical fiber strands whose coating has been removed
- the optical fiber is used to fix the connecting member (plug) for aligning and connecting to the alignment member.
- the connecting member plug
- a1 is a partially fragmented side view for explaining an example of a method for connecting an optical transmission medium of the present invention.
- FIG. 2 is a partially fragmented side view for explaining another example of the method for connecting an optical transmission medium according to the present invention.
- FIG. 3 is a perspective view of an example of a connection member used in the connection method of FIG.
- FIG. 4 is a perspective view of an example of a connection member used in the connection method of FIG.
- FIG. 5 is a perspective view of an example of an alignment member used in the connection method shown in FIGS. 1 and 2.
- FIG. 6 is a perspective view of an example of a connection member used in the connection method of the present invention.
- FIG. 7 is a process diagram illustrating a connection method when the connection member of FIG. 6 is used.
- FIG. 8 is a perspective view of another example of the connection member used in the connection method of the present invention.
- FIG. 9 is a diagram illustrating the relationship between the width of the alignment groove and the width of the storage groove.
- FIG. 10 is a process diagram illustrating another example of the connection method of the present invention.
- FIG. 11 is a cross-sectional view illustrating a state in which the connection member and the alignment member are engaged.
- FIG. 12 is a partially broken side view for explaining an example of a method for connecting an optical transmission medium according to the present invention.
- FIG. 13 is a partially broken side view for explaining an example of a method for connecting an optical transmission medium according to the present invention. '
- FIG. 14 is a partially crushed side view for explaining an example of a method for connecting an optical transmission medium according to the present invention.
- FIG. 15 is a perspective view of an example of the optical connection structure of the present invention.
- FIG. 16 is a perspective view of an example of an optical waveguide used in the present invention and an optical connection structure using the same.
- FIG. 17 is a partially crushed side view for explaining an example of a method for connecting an optical transmission medium according to the present invention.
- FIG. 18 is a perspective view and a partially broken side view of an example of the optical connection structure of the present invention.
- FIG. 19 is a perspective view of an example of an alignment member using an alignment member.
- FIG. 20 is a partially crushed side view for explaining a case of forming an optical connection structure using the alignment member of FIG.
- FIG. 21 is a perspective view of an example of a connection member using an alignment member.
- FIG. 22 is a partially crushed side view for explaining a case where an optical connection structure is formed using the connection member of FIG.
- FIGS. 23A and 23B are diagrams illustrating an example of an alignment method.
- FIG. 23A is a perspective view of an alignment member
- FIG. 23B is a diagram illustrating an alignment method using the alignment member.
- 4 is a schematic configuration diagram of an optical circuit component using the optical connection structure of the present invention.
- C FIG. 25 is a perspective view of a joining member and an alignment member used in the first embodiment.
- FIG. 26 is a cross-sectional view of the optical transmission connection component of the first embodiment and a cross-sectional view of the optical bonding structure.
- FIG. 27 is a partially broken side view illustrating the optical connection structure and connection method of the first embodiment. It is a process drawing by a figure.
- FIG. 28 is a perspective view of the joining member and the alignment member used in the second embodiment.
- FIG. 29 is a process drawing based on a partially broken side view for explaining the optical connection structure and the connection method of the second embodiment.
- FIG. 30 is a perspective view and an assembled front view illustrating the configuration of the joining member used in the third embodiment.
- FIG. 31 is a perspective view of a 4-core plastic V-groove substrate used for the alignment members of Examples 4 to 6.
- FIG. 32 is a perspective view of an alignment member according to Examples 4 to 6.
- FIG. 33 is a process diagram based on a partially crushed side view for explaining the optical connection structure and the connection method of the fourth embodiment. '
- FIG. 34 is a perspective view of the connection member used in the fifth embodiment.
- FIG. 35 is a perspective view of a pressing member used in the sixth embodiment.
- FIG. 36 is a process drawing based on a partially crushed side view for explaining an optical connection structure and a connection method of Example 6.
- FIG. 37 is a process drawing showing a partially broken side view for explaining the optical connection structure and the connection method of the seventh embodiment.
- FIG. 38 is a perspective view of the connection member and the alignment member used in the eighth embodiment.
- FIG. 39 is a cross-sectional view of an optical transmission connection component and a cross-sectional view of an optical bonding structure according to an eighth embodiment.
- FIG. 40 is a process diagram showing a partially crushed side view for explaining the optical connection structure and the connection method of the ninth embodiment.
- FIG. 41 is a perspective view of the connection member and the alignment member used in the ninth embodiment.
- FIG. 42 is a process drawing based on a partially crushed side view for explaining the optical connection structure and the connection method of the ninth embodiment.
- FIGS. 1 and 2 are diagrams schematically illustrating a method of connecting an optical transmission medium according to the present invention
- FIG. 1 illustrates a case where the entire optical transmission medium is moved from a storage groove to an alignment groove
- 2 shows a case where the end portion of the optical transmission medium is moved from the storage groove to the alignment groove.
- FIG. 3 is a perspective view of an example of a connection member used in the connection method of FIG. 1
- FIG. 4 is a perspective view of an example of a connection member used in the connection method of FIG.
- FIG. 5 is a perspective view of an example of an alignment member used in the connection method of FIGS. 1 and 2 c .
- the alignment member 4 of FIG. 5 is provided with an alignment groove 5 (in the figure, a V-shaped cross section) for mounting an optical transmission medium on one surface thereof.
- the optical transmission medium 1 a (for example, an optical fiber) is placed in the storage groove 3 of the connection member 2.
- the optical transmission medium placed in the storage groove 3 It is necessary to fix it so as not to separate from the storage groove during the subsequent operation. For example, it can be fixed by an appropriate method such as fixing by contact friction with the storage groove and fixing by temporary bonding.
- the optical transmission medium 1b to be connected is placed in the alignment groove 5 of the alignment member 4 by an appropriate method (FIG. 1 (a)).
- the alignment member 4 and the connection member 2 are arranged so that the opening of the storage groove 3 of the connection member and the opening of the alignment groove 5 of the alignment member face each other (FIG. 1 (b)).
- the optical transmission medium 1a is pressed by the pressing member 7 inserted into the through hole of the connection member, and is moved from the storage groove to the alignment groove (FIG. 1 (c)).
- the optical transmission medium 1b placed in the alignment groove of the alignment member is moved in the direction of the arrow shown in the figure, and its end is brought into contact with the end of the optical transmission medium 1a moved to the alignment groove, thereby completing the connection. I do.
- connection member and the alignment member are fixed by appropriate means not shown, for example, by an adhesive, or by a latch provided on the connection member and a latch engagement portion provided on the alignment member as described later. .
- This forms the optical connection structure of the present invention Fig. 1 (d)).
- the optical transmission medium la is placed in the storage groove 3 of the connection member 2 shown in FIG. 4, and is fixed to the connection member 2 at the fixing portion 8 (FIG. 2 (a)).
- the fixing may be performed by any method, for example, by using an adhesive.
- the alignment member having the optical transmission medium 1 b placed in the alignment groove 5 and the connection member are connected to the opening of the storage groove 3 of the connection member and the alignment member. Are arranged so that the openings of the alignment grooves 5 face each other (FIG. 2 (b)).
- the optical transmission medium 1a is pressed by the pressing member 7 and moved from the storage groove to the alignment groove.
- the fixing portion 8 of the optical transmission medium is fixed to the connecting member, and only the end portion of the optical transmission medium 1a is pressed by the pressing member.
- the optical transmission medium 1b placed in the alignment groove of the alignment member is moved in the direction of the arrow shown in the figure, and its end is brought into contact with the end of the optical transmission medium la moved to the alignment groove, thereby completing the connection.
- the connection member and the alignment member are fixed by appropriate means (not shown). Thereby, the optical connection structure of the present invention is formed (FIG. 2D).
- connection structure of the optical transmission medium of the present invention formed is such that the optical transmission medium does not fall off from the connection member because a part of the optical transmission medium is fixed to the connection member. Furthermore, since the optical transmission medium can be protruded and housed by utilizing the elasticity of the optical transmission medium, the number of components can be reduced, and the connecting parts can be configured at low cost. There is.
- connection member having a through hole used in the case of the connection method shown in FIG. 2, a connection member 2 having a notch 9 at an end as shown in FIG. 6 may be used.
- the pressing member 7 is inserted into the notch 9 to press the end portion of the optical transmission medium 1 a, and the alignment member is inserted from the storage groove 3 of the connecting member 2. The end of the optical transmission medium is moved to the alignment groove 5 of 4.
- connection member used in the present invention are not particularly limited, and materials made of plastic, ceramic, metal, or the like are preferably used.
- the cross-sectional shape of the storage groove is not particularly limited as long as an optical transmission medium such as an optical fiber can be stably stored, and a cross-section having a square, semicircular, or V-shaped cross section is preferably used.
- the number of storage grooves is not particularly limited, and one or more storage grooves may be present.
- the connection member includes a substrate having a through hole or a notch for inserting the pressing member, and a storage plate having a storage groove for mounting the optical transmission medium, and the storage groove is pressed by the pressing member.
- FIG. 8 shows an example of such a case.
- Fig. 8 (a) shows the connection member substrate, (b) shows the storage plate, and (c) shows the optical fiber stored in the storage plate and fixed to the substrate. Indicates the status.
- the connection member substrate 2a is provided with a through hole 6 into which the pressing member is inserted.
- the storage plate 2b is formed with a storage groove 3a for storing the optical fiber, for example, having a V-shaped cross section.
- the storage groove is formed in the storage groove so that the optical fiber can be pressed and moved.
- An opening 6b reaching one end is formed.
- the optical fiber 11 may be stored in the storage groove, and the storage plate 2b may be fixed to the connection member substrate 2a with an adhesive before use.
- the material and shape of the alignment member used in the present invention are not particularly limited.
- W is preferably made of plastic, ceramic, metal, or the like.
- the cross-sectional shape of the alignment groove is not particularly limited as long as the position of the optical transmission medium can be adjusted, and a cross-section having a square, semicircular, or V-shape is preferably used.
- the number of the alignment grooves is not particularly limited, and thus one or more alignment grooves may be present. In the present invention, the number of the storage grooves and the alignment grooves does not need to match the number of the alignment grooves, nor does it need to match the number of the optical transmission media. What is necessary is just to be more than the number of media.
- the alignment member may have a composite structure in which a plastic plate having alignment grooves is stuck on the substrate.
- the optical transmission medium to which the connection method of the present invention is applied may be any medium as long as light is confined and transmitted, and any material may be used as long as light can be transmitted, such as quartz, soda glass, and plastic. No restrictions.
- the shape may be a cylindrical shape such as an optical fiber or a rod lens, or a plate-like shape such as a planar optical waveguide.
- the optical transmission medium placed in the storage groove of the connecting member must be able to be mounted in the storage groove. Therefore, the optical transmission medium placed in the storage groove of the connection member includes an optical fiber, Examples thereof include a rod lens and an optical waveguide, and an optical fiber is particularly preferable.
- the optical transmission media to be connected are not limited to the same type, and different types of optical transmission media may be connected. Specifically, an optical fiber may be used as an optical transmission medium placed in the storage groove of the connection member, and the optical fiber may be connected to another optical fiber, a rod lens, or an optical waveguide.
- the storage groove and the alignment groove need only be aligned with such accuracy that the optical transmission medium can move.
- the width of the opening of the alignment groove W 2 Is preferably larger than the width W 1 of the optical transmission medium.
- the width W 2 of the alignment groove is smaller than the width W 3 of the storage groove. It is more preferable that the size is larger. This prevents the optical transmission medium from being damaged by contact with the alignment groove opening. Therefore, even if each component does not have high processing accuracy and positioning accuracy, it is necessary to connect the optical transmission medium with a simple connection process. Becomes possible.
- the pressing member which is inserted into the through hole or cutout of the connecting member to constitute the optical transmission connecting member of the present invention is not particularly limited as long as the material, shape, etc., do not damage the optical transmission medium.
- plastic, metal, and rubber-based materials are preferably used.
- a composite structure may be used, such as one using a rubber-based material only for a contact part with the optical transmission medium and the other part made of plastic.
- the distal end of the pressing member inserted into the through hole or the cutout of the connecting member may be in a state of being bonded to the optical transmission medium with an adhesive.
- a storage plate having a storage groove may be fixed to the distal end portion (.pressing surface) of the pressing member inserted into the through hole or the cutout portion of the connection member with an adhesive or the like.
- FIGS. 1 and 2 described above the case where the pressing member is used as a means for moving the optical transmission medium from the storage groove of the connection member to the alignment groove of the alignment member has been described.
- any other means may be used.
- a method using the magnetic force described below may be used, and a method of moving the optical transmission medium by physically pushing or pulling it can be used as appropriate.
- FIG. 10 shows an example in which a magnetic force is used. That is, the vicinity of the end of the optical transmission medium 1 is covered with a metal or other magnetic film 12 and placed in the storage groove 3 of the connection member 2 as shown in FIG. 2 above, and the opening of the storage groove is aligned with the alignment member.
- connection member and the alignment member are finally fixed to each other, but the timing and method of fixing are not particularly limited.
- connection member and the alignment member may be fixed by bonding with an adhesive or the like.
- any fixing adhesive can be used, for example, urethane-based, acrylic-based, and Various pressure-sensitive adhesives (adhesives, such as epoxy, nylon, phenol, polyimide, vinyl, silicone, rubber, fluorinated epoxy, fluorinated acrylic, and fluorinated polyimide) Adhesives), thermoplastic adhesives, thermosetting adhesives, ultraviolet (UV) curable adhesives can be used.
- UV curable adhesives and thermoplastic adhesives are preferably used.
- a mechanical fixing method is preferable. For example, as shown in FIG. 11 (a), a connecting member 2 is provided with a latch 14 and an aligning member 4 is provided with a latch engaging portion 15, or as shown in FIG.
- a connecting member is provided.
- 2 may be provided with a latch engaging portion 15 and the alignment member 4 may be provided with a latch 14, and these may be engaged and fixed.
- Any known shape can be used for the shape of the latch and the latch engaging portion and the engaging method.
- the latch may be formed integrally with the connection member or the alignment member, or only the latch may be made of another material and assembled to the connection member or the alignment member.
- a pressing force may be applied to the end face of the optical transmission medium, but the pressing force may be given by any existing method.
- pressing force may be applied directly in the direction of the central axis so that the optical transmission medium moves, or pressing force may be applied to the connecting member to which the optical transmission medium is fixed to move the connecting member.
- a pressing force may be applied indirectly in the direction of the central axis of the optical transmission medium.
- the pressing force is generated by using an elastic force of a resin panel or a panel mounted on the connection member or the alignment member.
- refractive index matching agent between the connected optical transmission media and to abut the end faces of the optical transmission media.
- the material, form and installation method of the refractive index matching agent are not particularly limited, and the material can be appropriately selected and used depending on the refractive index and the material of the optical fiber. And silicon corn squirrel are preferably used.
- the form of the refractive index matching agent May be liquid or solid, and may be oil, grease, geil, or film.
- FIGS. 12 and 13 are diagrams illustrating still another example of the method for connecting optical transmission media according to the present invention, in which the optical transmission media mounted on two connection members are connected to each other. Is shown.
- the optical transmission media la and lb are placed in the storage grooves 3 a and 3 b of the two connection members 2 a and 2 b, respectively, and the fixing portions are set in the same manner as in FIG. 2. Fix to connecting member 2 at 8a and 8b.
- each optical transmission medium 1a, 1b is
- each optical transmission medium is moved from the storage groove to the alignment groove by pressing by 7a and 7b (Fig. 12 (b)).
- one connecting member (2b in the figure) is moved in the direction of the arrow, and the end of the optical transmission medium (lb in the figure) placed in the alignment groove of the alignment member is moved to the end of the optical transmission medium 1a.
- the connection member and the alignment member are fixed by appropriate means not shown. Thereby, the optical connection structure of the present invention is formed (FIG. 12C).
- the optical transmission media mounted on the two connection members are connected to each other, but a through hole is provided in a part of the alignment groove of the alignment member, and the through hole is provided.
- the figure shows a case in which optical transmission media are butted and optically connected in a hole. That is, a through-hole member 16 having a through-hole is provided at the center of the alignment groove 5 of the alignment member 4.
- the optical transmission media l a and lb are placed in the storage grooves 3 a and 3 b of the two connecting members 2 a and 2 b, respectively, and the fixing portions 8 a and
- FIGS. 14 to 17 are diagrams for explaining still another modification of the method for connecting optical transmission media according to the present invention, showing a case where different optical transmission media are connected.
- FIG. 14 is a diagram illustrating a case where an optical fiber and an optical waveguide are connected
- FIG. 15 is an optical connection structure formed by the connection method shown in FIG. It is a perspective view of d)).
- the optical fiber 11 is placed in the storage groove 3 of the connection member 2, and the fixing portion 8 of the optical fiber is fixed to the storage groove using, for example, an adhesive.
- the optical waveguide 18 provided on the optical waveguide substrate 17 is aligned with the alignment groove 5 of the alignment member 4 (FIG. 14 (a)).
- the storage groove opening and the alignment groove opening are arranged so as to face each other (Fig.
- the alignment member 4 having the alignment groove 5 is formed integrally with the optical waveguide substrate 1 (FIG. 16 (a)).
- the connection member 2 is placed on the alignment member 4 provided with the alignment groove 5, and the fixing portion of the optical fiber is fixed to the storage groove using, for example, an adhesive.
- the distal end portion of the optical fiber 11 is moved to the alignment groove 5 by the pressing member 7 and fixed by an appropriate means, whereby an optical connection structure between the optical fiber 11 and the optical waveguide 18 is formed. (Fig. 16 (b)).
- FIG. 17 is a diagram illustrating a case where an optical fiber and a rod lens are connected.
- an optical fiber, * 11 is placed in the storage groove 3 of the connecting member 2 and, for example, an adhesive
- the fixing part 8 of the optical fiber is fixed to the storage groove by using.
- the rod lens 19 is fixed on the alignment member 4 so that the head lens is aligned with the alignment groove 5 of the alignment member (FIG. 17 (a)).
- the connection member 2 and the alignment member 4 are arranged so that the storage groove opening and the alignment groove opening face each other (FIG. 17).
- FIG. 18 (a) is a perspective view showing a case where the optical connection method of the present invention is applied to the connection between an optical fiber drawn out of an optical module and an optical waveguide set on a printed circuit board.
- Fig. 18 (b) is a partial crushed side view. In the figure, the plurality drawn from the optical module 20
- the four optical fins 11 are placed in the storage groove of the connection member 2, and the connection member 2 is placed on the alignment member 4 provided on the printed circuit board 21, and is stored in the storage groove. Is mounted so that the opening of the alignment member faces the opening of the alignment groove 5 of the alignment member.
- the end of the optical fiber 11 is moved from the storage groove of the connection member 2 to the alignment groove 5 of the alignment member 4 by the pressing member 7, and the optical fiber is placed on the print substrate 21.
- the optical waveguides 18 provided on the optical waveguide substrate 17 to form an optical transmission connection structure.
- the connecting member may be integrated with other components such as an optical module, and the structure in which the portion where the optical fiber is exposed to the outside in Fig. 18 is covered with the connecting member and protected. It does not matter.
- the method of aligning the storage groove of the connection member and the alignment groove of the alignment member used in the optical connection method of the present invention is not particularly limited, and the grooves are directly positioned.
- a method of W alignment, a method of indirectly aligning the grooves by aligning the outer shapes of the connecting member and the alignment member, and the like can be used.
- FIG. 19 to FIG. 22 are diagrams illustrating the alignment method.
- the alignment member 22 is mounted on the alignment groove 5 of the alignment member 4 (FIG. 19), and when the connection member 2 on which the optical transmission medium 1 is mounted is mounted on the alignment member 4, the alignment groove 22 is inserted into the storage groove 3.
- the positioning member 22 By inserting the positioning member 22, the opening of the storage groove 3 and the opening of the alignment groove 5 can be aligned (FIGS. 20 (a) and (b)).
- the positioning member 22 is attached to the storage groove 3 of the connecting member 2 on which the optical transmission medium 1 is placed.
- FIG. 21 when the connecting member 2 is mounted on the alignment member 4, the positioning member 22 is fitted into the alignment groove 5 so that the opening of the storage groove 3 and the opening of the alignment groove 5 Positioning can be performed (Fig. 22 (a), (b)). Further, for example, as shown in FIGS. 23 (a) and (b), the positioning member is connected to the connecting member 2.
- the alignment member 23 may be provided, while the alignment member 4 may be provided with a positioning hole 24. In this case, when placing the connection member on the alignment member, the alignment member 23 is inserted into the alignment hole.
- the opening of the storage groove 3 and the opening of the alignment groove 5 can be aligned.
- the optical waveguide substrate 17 is placed on the alignment member 4, and the optical waveguide 18 is aligned with the alignment groove 5.
- FIG. 24 is a schematic configuration diagram of an optical circuit component using the optical connection structure of the present invention.
- On a substrate 25 three optical components 28 are interconnected by an optical transmission medium 1 via an optical connection structure 10 of the present invention.
- an optical connection structure 10 of the present invention By arranging a plurality of these optical connection structures 10 in parallel, a compact circuit design becomes possible.
- the storage groove has a cross section of 0.26 mm x 0.26 mm
- Two sets of connecting members 31 (size: 5 mm x 2 mm x 3 mm) having a latch 39 made of a cryl resin, and lmm-thick silicone rubber on the convex end 35 a
- two sets of pressing jigs 35 are provided and have an equilateral triangular V-shaped alignment groove 34 whose cross section is 0.3 mm on a side. mm X 3 mm).
- the pressing jig 35 is inserted into the rectangular through hole of the connection member 31 and is fixed to the connection member 31 with the urethane foam resin 36, and the optical transmission connection member was formed.
- 15 mm of the sheath of the optical fiber core wire 37 (Furukawa Electric Co., Ltd., 250 m diameter) was removed from the end, and the optical fiber strand 38 (10 mm from the end of the sheath) 1 2 5 ⁇ ⁇ ), and these optical fiber cores 37 are placed in the storage grooves 32 of the connecting member 31, and the pressing jigs 35 are protruded by a silicone adhesive. It was fixed to the end 35a (Fig. 26 (a)).
- connection work was performed as follows. As shown in FIG. 27, the alignment groove 34 on the alignment member 33 and the storage groove 32 of the connection member 31 were aligned, and mounted on the alignment member 33 (FIG. 27 (a )). Next, a load was applied downward by a pressing jig 35. As a result, the urethane foam resin 36 is deformed, and the optical fiber core wires 37 a and 37 b and the optical fiber wires 38 a and 38 b are both pushed into the alignment grooves 34 and the two connections are made. The cross-section of the optical fiber wire attached to the member 31 was aligned (Fig. 27 (b)). Next, by abutting the two connecting members 31, the optical fiber wires 38 a and 38 b can also be abutted simultaneously, and the optical connecting structure of the present invention was formed (FIG. 27). (c), Figure 26 (b)).
- the obtained optical connection structure was formed by mounting the connection member from above, the working space on the substrate could be saved.
- the optical fibers are stored in the storage grooves, the optical fibers could be easily connected without damaging the optical fibers when the connecting member was bonded to the alignment member.
- processing and alignment can be performed sufficiently even for resins that undergo large thermal shrinkage deformation, such as acrylic resins.
- a connection member 31 (size: 5 mm x 12 mm x 3 mm) having a latch 39 made of a ril-based resin and a pressing having a silicone rubber projection with a pressure of 0.5 mm on the convex end 35a.
- the connecting member 31 and the pressing jig 35 were fixed with urethane foam resin 36.
- the sheath of the optical fiber cable 37a (made by Furukawa Electric Co., Ltd., 250 m diameter) 'was removed by 15 mm from the end, and the optical fiber bare wire was removed at 10 mm from the end of the sheath.
- a (125 mm diameter) is cut, the optical fiber core 37 a is set in the storage groove 32 of the connecting member 31, and the optical fiber core is made with an acrylic adhesive.
- the covered portion 37a of the wire was fixed to the connecting member.
- connection work was performed as follows. As shown in FIG. 29, the optical fiber core 37 b cut and stripped in the same manner as above is placed in the alignment groove 34 of the alignment member 33, and a structure similar to that of the connection member is formed. It was fixed by a fixing member 40 provided with a latch (Fig. 29 (a)). The fixing was performed by bonding a part (40a) of the optical fiber core to the fixing member with an adhesive. Next, the alignment groove 34 on the alignment member 33 and the storage groove 32 of the adhesive member 31 were aligned, and the connecting member 31 was mounted on the alignment member 33 (FIG. 29 (b)). Thereafter, a load was applied downward by a pressing jig 35.
- the urethane foam resin 36 is deformed, and the optical fiber strand 38 a is pushed into the alignment groove, and is aligned with the cross section of the optical fiber strand 38 a attached to the connecting member 31 in the alignment groove.
- the optical fiber wires 38b placed in the alignment grooves of the members were aligned.
- the optical fiber wires 38a and 38b were abutted to form the optical connection structure of the present invention (FIG. 29 (c)).
- the obtained optical connection structure was formed by mounting the connection member from above, so that the work space on the substrate could be saved.
- the optical fibers are stored in the storage grooves, the optical fibers could be easily connected without damaging the optical fibers when the connecting member was bonded to the alignment member.
- processing and positioning can be performed sufficiently even for resins with large heat shrinkage deformation such as acrylic resins.
- the splice loss was measured at the splice point.
- the splice loss was less than 0.2 dB, indicating that it was sufficiently usable as an optical connection structure.
- An optical fiber storage plate 4 having the following was prepared.
- the coated optical fiber and the cut optical fiber 38 a were attached to the V-shaped groove 45 of the optical fiber storage plate 44 in the same manner as in the second embodiment.
- the optical fiber housing plate 44 was fixed to the connection member substrate 41 with an adhesive to produce a connection member having a structure shown in FIG.
- an alignment member equipped with a latch engaging part having a regular triangular V-shaped alignment groove with a cross section of 0.26 mm on each side (size: 5 mm x 28 mm x 3 mm) is prepared. Then, the coated optical fiber was removed and placed on the alignment member. Thereafter, the connection operation was performed in the same manner using the same pressing member as in Example 2, and the optical connection structure of the present invention was formed. Since the obtained optical connection structure was formed by mounting the connection member from above, the work space on the substrate could be saved. In addition, since the optical fiber was stored in the storage groove, the optical fiber was not damaged when the connecting member was mounted on the alignment member.
- the optical fibers could be easily mounted on the alignment grooves having the same opening width as in Example 1, and the optical fibers could be connected to each other. Also, It is possible to sufficiently process and align even resins with large thermal shrinkage deformation such as W-acrylic resins.
- connection loss was measured at the connection point, it was less than 0.3 dB, and the optical connection structure was sufficiently usable.
- the alignment member 50 has a size of 5 mm ⁇ 0 mm as shown in FIG. 31 on an acrylic resin substrate 51 provided with a latch engagement portion 52.
- Processed cross-section A 4-fiber plastic V-groove substrate 53 with V-shaped alignment grooves 54 (for 250 m ⁇ Syndal mode; manufactured by Nissin Chemical Co., Ltd.) was used (Fig. 32). . Only one of the four alignment grooves was used for optical fiber connection.
- the connecting operation was performed in the same manner as in Example 2 using the above connecting member, pressing member, and alignment member. That is, the optical fiber core wire 37 b, which has been coated and removed in the same manner as in the second embodiment, is placed in the alignment groove 54 of the alignment member 50, and has the same structure as that of the connection member. It was fixed by a fixing member 40 provided with a latch (Fig. 33 (a)). Next, the connecting member 31 with the optical fiber core wire 37a placed in the storage groove was placed on the alignment member 50 (FIG. 33 (b)). Thereafter, a load was applied downward by the pressing jig 35.
- the foamed resin 36 is deformed, and the optical fiber strand 38 a is pushed into the alignment groove 54, and in the alignment groove, the optical fiber strand 3 attached to the connection member 31 is inserted.
- the cross section 8a was aligned with the optical fiber 38b placed in the alignment groove of the alignment member.
- the optical fiber wires 38a and 38b were abutted to form the optical connection structure of the present invention (FIG. 33 (c)).
- the obtained optical connection structure was formed by mounting the connection member from above, the work space on the substrate could be saved.
- the optical fiber was stored in the storage groove, the optical fiber was not damaged when the connecting member was mounted on the alignment member.
- processing and positioning can be performed sufficiently even for resins with large heat shrinkage deformation such as acrylic resin. Was.
- the splice loss was measured at the splice point.
- the splice loss was less than 0.2 dB, indicating that it was sufficiently usable as an optical connection structure.
- a rectangular storage groove 61 with a cross section of 1.Imm XO.27 mm and a rectangular through-hole 62 of 1 mm X 3 mm penetrating the groove.
- a connecting member 60 size: 5 mm ⁇ 12 mm ⁇ 2.5 mm
- a pressing member and an alignment made in the same manner as in Example 4 A member was used.
- the sheath of the 4-core optical fiber tape made by Furukawa Electric Co., Ltd., diameter 250 mm
- the optical fiber wire was placed 1 Omm from the end of the sheath.
- the 4-core optical fiber ribbon 64a was set in the storage groove of the connection member, and the coated portion of the optical fiber core was fixed to the connection member with an acrylic adhesive. .
- connection operation was carried out in the same manner as in Example 2 except that the four-core optical fiber ribbon cut and cut in the same manner as described above was attached to the alignment member with a fixing member, and the optical connection structure of the present invention was formed.
- the four-core optical fiber ribbon cut and cut in the same manner as described above was attached to the alignment member with a fixing member, and the optical connection structure of the present invention was formed.
- the obtained optical connection structure was formed by mounting the connection member from above, the work space on the substrate could be saved.
- the optical fiber was stored in the storage groove, the optical fiber was not damaged when the connecting member was mounted on the alignment member.
- it is possible to sufficiently process and position even resins that undergo large thermal shrinkage deformation, such as acrylic resins.
- connection loss was measured at the connection point, the average of the four cores was 0.2 dB or less, indicating that the structure was sufficiently usable as an optical connection structure in a multi-core optical fiber.
- a four-core plastic V-groove substrate 65 having a V-shaped cross-section having a V-shaped cross section at the lower end of the pressing member 35 has a similar structure to that shown in FIG. It was fixed with an adhesive. Further, the same alignment member as in Example 5 with an optical fiber mounted thereon was prepared. The connection operation was performed in the same manner as in Example 5 except that the optical fiber was pushed into the alignment groove 54 on the alignment member by a plastic V-groove substrate provided at the lower end of the pressing member at the time of connection.
- Figure 36 shows the process diagram.
- the four-core plastic V-groove substrate 65 fixed to the lower end of the pressing jig 35 inserted into the through hole of the connecting member 31 is previously inserted into the V-groove of the four-core optical fiber tape core wire 64 a.
- Wire 38a was attached (Fig. 36 (a)).
- the connecting member was placed on the alignment member from above (Fig. 36 (b)). Thereafter, a load was applied downward by the pressing jig 35. As a result, the urethane foam resin 36 is deformed, and the optical fiber core wire 38 a is pushed into the alignment groove 54 provided in the four-core plastic V-groove substrate 53 of the alignment member, and the connecting member is formed in the alignment groove.
- the cross section of the optical fiber strand attached to 3 1 was aligned with the cross section of 3 8a and the optical fiber strand 3 4b of 4-fiber optical fiber ribbon 6 4b placed in the alignment groove of the alignment member. .
- the optical fiber wires 38a and 38 noses were abutted to form the optical connection structure of the present invention (FIG. 36 (c)). Since the obtained optical connection structure was formed by mounting the connection member from above, the work space on the substrate could be saved. In addition, since the optical fiber is stored in the storage groove and the optical fiber is mounted in the storage groove, the optical fiber was not damaged when the connecting member was mounted on the alignment member. .
- the optical fiber rate line pitch matches the alignment groove pitch, and the multi-core optical fiber can be safely inserted. It has been pushed into the alignment groove.
- processing and positioning can be performed sufficiently even for resins with large thermal shrinkage deformation such as acrylic resins.
- Example ⁇ As shown in FIG. 37, as the pressing member 35, a member having a pressing portion at the lower end having a size such that both of the optical fibers to be connected can be fixed in the alignment groove is used. The same operation as in Example 2 was performed, except that the optical fiber mounted on the connecting member was pushed into the alignment groove of the alignment member, and the other optical fiber was fixed in the alignment groove.
- Figure 37 shows the process diagram. That is, the coated optical fiber core 37a was fixed in the receiving groove of the connecting member 31. On the other hand, the stripped and cut optical fiber core wire 37b was placed in the alignment groove 34 of the alignment member 33, and was fixed by the fixing member 40 (FIG. 37 (a)).
- the obtained optical connection structure was formed by mounting the connection member from above, the work space on the substrate could be saved.
- the optical fiber was stored in the storage groove, the optical fiber was not damaged when the connecting member was mounted on the alignment member.
- processing and alignment can be performed sufficiently even for resins that undergo large thermal shrinkage deformation, such as acrylic resins.
- connection member 3 having a latch 39 made of ABS resin having a rectangular through hole 30 of 1 mm ⁇ 8 mm penetrating from the top to the bottom. 1 (size: 5 mm x l 2 mm x 3 mm) and two pressing jigs 35 with lmm thick silicone rubber on the convex end 35 a, Fig. 38 (b) A single alignment member 33 (size 5 mm ⁇ 28 mm ⁇ 3 mm) having a regular triangular V-shaped alignment groove 34 having a cross section of 0.3 mm as shown in FIG.
- the pressing jig 35 is inserted into the rectangular through-hole of the connecting member 31 and is fixed to the connecting member 31 with the foamed polyurethane resin 36 so that the optical transmission connection is established.
- a member was formed.
- the sheath of the optical fiber core wire 37 (Furukawa Electric Co., Ltd., diameter 250 mm) was removed by 15 mm from the end, and the optical fiber bare wire was 10 mm from the end of the sheath. (125 mm diameter), and these optical fiber cores 37 are placed on the connecting member 31, and the pressing jigs 35 are formed with silicone adhesive. Fixed to end 35a.
- connection work was performed as follows. As shown in FIG. 40, the alignment fibers 34 on the alignment member 33 and the optical fiber cores 37 a and 37 b placed on the connection member 31 and fixed to the pressing jig are provided. And were mounted on the alignment member 33 (Fig. 40 (a)). Next, a load was applied downward by the pressing jig 35. As a result, the foam resin 36 is deformed, and the optical fiber cores 37a and 37b and the optical fiber strands 38a and 38b are both pushed into the alignment groove 3. As a result (FIG. 39 (b)), the cross sections of the optical fiber wires attached to the two connecting members 31 were aligned (FIG. 40 (b)). Next, by abutting the two connecting members, the optical fiber strands 38a and 38b can be simultaneously abutted, and the optical connecting structure of the present invention was formed (FIG. 40). (c)).
- the obtained optical connection structure was formed by mounting the connection member from above, the work space on the substrate could be saved. In addition, it has become possible to perform sufficient processing and alignment even for resins with large heat shrinkage deformation such as ABS resin.
- the splice loss was measured at the splice point and found to be less than 0.2 dB, indicating that it could be used as an optical connection structure.
- Example 9 As shown in Figure 41 (a), an optical transmission medium storage groove (not shown) with a cross section of 0.26 mm x 0.26 mm and a rectangular through hole of l mm x 3 mm penetrating from top to bottom Connection member 31 (size: 5 mm x l 2 mm x 3 mm) having a latch 39 made of ABS resin having 30 and a 1 mm thick silicone rubber at the convex end 35 a Alignment member 3 3 (size 5 mm x 28 mm x 3 mm I prepared one set. Then, the connection member 31 and the pressing jig 35 were fixed with urethane foam resin 36.
- the sheath of the optical fiber core (made by Furukawa Electric Co., Ltd., 250 m diameter) was removed by 15 mm from the end, and the optical fiber strand (125 mm) was found at 10 mm from the end of the sheath. ; M diameter), and these optical fibers and the optical fibers are placed in the optical transmission medium accommodating groove of the connecting member, and the covering portion of the optical fiber is coated with an acrylic adhesive.
- the connecting member storage groove was fixed in the connecting member storage groove.
- connection work was performed as follows. As shown in FIG. 42, the optical fiber ribbon 37b, which was coated and removed in the same manner as above, was placed in the alignment groove 34 of the alignment member 33, and a latch having the same structure as the connection member was provided. It was fixed by the fixing member 40 (Fig. 42 (a)). The fixing was performed by bonding a part of the optical fiber core to the fixing member with an adhesive. Next, the alignment groove 34 on the alignment member 33 and the optical fiber 37a fixed and placed in the storage groove 32 of the adhesive member 31 were aligned with each other, and mounted on the alignment member 33. (Fig. 42 (b)). Next, a load was applied downward on the optical fiber strand 38 a by the pressing jig 35.
- the urethane foam resin 36 is deformed, and the optical fiber strand 38a is pushed into the alignment groove.
- the alignment with the optical fiber strand 38b placed in the alignment groove of the alignment member was performed.
- the optical fiber strands 38a and 38b can also be abutted at the same time, and the optical connection structure of the present invention was formed (FIG. 42 (c)).
- the resulting optical connection structure is formed by mounting the connection member from above As a result, the work space on the board can be saved. In addition, it has become possible to perform sufficient processing and alignment even for resins with large heat shrinkage deformation such as ABS resin.
- connection loss was measured at the connection point, it was less than 0.2 dB, and it was sufficiently usable as an optical connection structure.
- a structure having an optical fiber drawn out from an end of an optical element, an optical circuit package, an optical circuit device, or the like is used as an optical connector on a print substrate. It is suitable for use in connection of optical fibers in devices and devices.
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
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- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
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Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/546,229 US20060193565A1 (en) | 2003-02-20 | 2004-02-19 | Optical transmission medium connecting method, optical connecting structure, and optical transmission medium connecting part |
EP04712748A EP1596231B1 (en) | 2003-02-20 | 2004-02-19 | Optical transmission medium connecting method and optical connecting structure |
JP2005502775A JP4117004B2 (ja) | 2003-02-20 | 2004-02-19 | 光伝送媒体の接続方法、光学接続構造及び光伝送媒体接続部品 |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003042430 | 2003-02-20 | ||
JP2003-042430 | 2003-02-20 | ||
JP2003194697 | 2003-07-10 | ||
JP2003-194697 | 2003-07-10 |
Publications (1)
Publication Number | Publication Date |
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WO2004074892A1 true WO2004074892A1 (ja) | 2004-09-02 |
Family
ID=32911409
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2004/001948 WO2004074892A1 (ja) | 2003-02-20 | 2004-02-19 | 光伝送媒体の接続方法、光学接続構造及び光伝送媒体接続部品 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20060193565A1 (ja) |
EP (1) | EP1596231B1 (ja) |
JP (1) | JP4117004B2 (ja) |
KR (1) | KR100779891B1 (ja) |
WO (1) | WO2004074892A1 (ja) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100825732B1 (ko) * | 2006-09-29 | 2008-04-29 | 한국전자통신연구원 | 광전배선 커넥터 모듈 및 그 모듈을 포함한 광전 통신 모듈 |
CN102043205B (zh) * | 2009-10-22 | 2012-10-31 | 富士康(昆山)电脑接插件有限公司 | 连接器 |
TWI454766B (zh) * | 2009-12-31 | 2014-10-01 | Hon Hai Prec Ind Co Ltd | 光纖耦合連接器及光傳輸裝置 |
US7949211B1 (en) | 2010-02-26 | 2011-05-24 | Corning Incorporated | Modular active board subassemblies and printed wiring boards comprising the same |
JP2013041020A (ja) * | 2011-08-12 | 2013-02-28 | Hitachi Cable Ltd | 光ファイバーの接続方法、及び、光ファイバーの接続装置 |
KR101227462B1 (ko) * | 2011-10-18 | 2013-01-29 | 가부시키가이샤 어드밴티스트 | 시험 장치, 시험 방법, 및 디바이스 인터페이스 |
CN102385121A (zh) * | 2011-11-04 | 2012-03-21 | 潮州三环(集团)股份有限公司 | 一种高性能光纤快速成端组件 |
US20160274318A1 (en) | 2012-03-05 | 2016-09-22 | Nanoprecision Products, Inc. | Optical bench subassembly having integrated photonic device |
AU2013289174B2 (en) | 2012-04-11 | 2017-02-02 | Cudoquanta Florida, Inc. | Optical fiber connector ferrule having curved external alignment surface |
RU2647212C1 (ru) | 2012-04-11 | 2018-03-14 | Нанопресижен Продактс, Инк. | Герметичная сборка для выравнивания оптического волокна |
JP2015094786A (ja) * | 2013-11-08 | 2015-05-18 | 住友ベークライト株式会社 | コネクターハウジング、光伝送路組立体および電子機器 |
JP6146580B2 (ja) * | 2014-01-06 | 2017-06-14 | APRESIA Systems株式会社 | 光ファイバコネクタ及び光通信モジュール |
CN110192134B (zh) * | 2016-10-29 | 2021-02-23 | 华为技术有限公司 | 光设备及其制造方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0493905A (ja) * | 1990-08-07 | 1992-03-26 | Sumitomo Electric Ind Ltd | 光コネクタ |
JPH08110434A (ja) * | 1994-10-11 | 1996-04-30 | Hitachi Cable Ltd | 導波路型光モジュール |
JPH10268213A (ja) * | 1997-03-26 | 1998-10-09 | Sumitomo Electric Ind Ltd | 光スイッチ |
US5857045A (en) * | 1996-05-09 | 1999-01-05 | Daewoo Telecom Ltd. | Splicer for light waveguides |
JP2002122751A (ja) * | 2000-08-08 | 2002-04-26 | Nippon Telegr & Teleph Corp <Ntt> | 光モジュール,この光モジュールと光ファイバとの接続方法,これに用いる光プラグおよび接続アダプタ,ならびに光ファイバ配線板 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3885859A (en) * | 1974-06-24 | 1975-05-27 | Northern Electric Co | Optical fibre connectors |
DE3329293A1 (de) * | 1983-08-12 | 1985-02-28 | Siemens AG, 1000 Berlin und 8000 München | Einrichtung zum ausrichten eines lichtwellenleiters fuer spleisszwecke |
US5469522A (en) * | 1993-12-02 | 1995-11-21 | Litecom, Inc. | Optical fiber splice interconnection and usage method |
CA2156498C (en) * | 1993-12-20 | 2002-10-08 | Takashi Murakami | Optical switch |
US5717813A (en) * | 1994-06-27 | 1998-02-10 | Fiberlign A Division Of Preformed Line Products (Canada) Ltd. | Fusion splice element for use in splicing optical fibers |
US6169827B1 (en) * | 1999-09-03 | 2001-01-02 | Honeywell International Inc. | Micro-optic switch with lithographically fabricated polymer alignment features for the positioning of switch components and optical fibers |
TW461978B (en) * | 2000-08-29 | 2001-11-01 | Liu Jin Shin | Pressing-positioning type fiber switching device and the switching method of the same |
WO2002057826A1 (en) * | 2001-01-22 | 2002-07-25 | Sophia Wireless, Inc. | A packaging and interconnect system for fiber and optoelectronic components |
JP3760376B2 (ja) * | 2001-02-22 | 2006-03-29 | 株式会社村田製作所 | 光ファイバコネクタ |
JP3824541B2 (ja) * | 2001-02-27 | 2006-09-20 | 日本碍子株式会社 | 光部品表面実装用基板及びその製造方法、並びにこれを用いた組立品 |
JP4094407B2 (ja) * | 2001-11-15 | 2008-06-04 | セイコーインスツル株式会社 | 光スイッチ |
-
2004
- 2004-02-19 WO PCT/JP2004/001948 patent/WO2004074892A1/ja active Application Filing
- 2004-02-19 JP JP2005502775A patent/JP4117004B2/ja not_active Expired - Fee Related
- 2004-02-19 KR KR1020057015407A patent/KR100779891B1/ko not_active IP Right Cessation
- 2004-02-19 US US10/546,229 patent/US20060193565A1/en not_active Abandoned
- 2004-02-19 EP EP04712748A patent/EP1596231B1/en not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0493905A (ja) * | 1990-08-07 | 1992-03-26 | Sumitomo Electric Ind Ltd | 光コネクタ |
JPH08110434A (ja) * | 1994-10-11 | 1996-04-30 | Hitachi Cable Ltd | 導波路型光モジュール |
US5857045A (en) * | 1996-05-09 | 1999-01-05 | Daewoo Telecom Ltd. | Splicer for light waveguides |
JPH10268213A (ja) * | 1997-03-26 | 1998-10-09 | Sumitomo Electric Ind Ltd | 光スイッチ |
JP2002122751A (ja) * | 2000-08-08 | 2002-04-26 | Nippon Telegr & Teleph Corp <Ntt> | 光モジュール,この光モジュールと光ファイバとの接続方法,これに用いる光プラグおよび接続アダプタ,ならびに光ファイバ配線板 |
Non-Patent Citations (1)
Title |
---|
See also references of EP1596231A4 * |
Also Published As
Publication number | Publication date |
---|---|
JP4117004B2 (ja) | 2008-07-09 |
EP1596231A1 (en) | 2005-11-16 |
EP1596231B1 (en) | 2012-04-04 |
JPWO2004074892A1 (ja) | 2006-06-01 |
KR100779891B1 (ko) | 2007-11-28 |
EP1596231A4 (en) | 2006-12-20 |
US20060193565A1 (en) | 2006-08-31 |
KR20050099631A (ko) | 2005-10-14 |
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