KR100633312B1 - Method for manufacturing 3 dimension optical interconnection block - Google Patents

Abstract

The present invention relates to a method of manufacturing a three-dimensional optical connection block, and in particular, the step of inserting at least one optical fiber array in the open portion of the at least one or more optical connectors and connecting the structure of the optical connector connected by the optical fiber array of the support block Inserting and inserting into the guide groove, inserting a solid material into the combined support block to fix the optical fiber array connected to the optical connector to the support block, and separating the support block and the optical connector from each other in the X, Y, and Z axes. Cutting to form an optical connection block on which the optical fiber array is fixed by solids. Therefore, the present invention, after coupling at least one or more optical connectors for connecting optical fibers at various angles, such as linear connection, 90 ° bending, 180 ° bending, etc. to the support block, and then cut the combined structure to a certain size, the optical connection block of the three-dimensional structure Can be produced.

Fiber Optic Blocks, Fiber Optic Arrays, Support Blocks, Banding

Description

METHOD FOR MANUFACTURING 3 DIMENSION OPTICAL INTERCONNECTION BLOCK}

1 is a perspective view showing a structure of an optical connection block manufactured according to the first embodiment of the present invention;

2a to 2f is a process flowchart for manufacturing an optical connection block according to a first embodiment of the present invention,

3 is a view showing an optical transmission system employing an optical connection block according to a first embodiment of the present invention;

4 is a perspective view showing the optical connection block structure according to a second embodiment of the present invention;

5a to 5f is a process flowchart for manufacturing an optical connection block according to a second embodiment of the present invention,

6A and 6B are diagrams illustrating an optical transmission system employing an optical connection block according to a second embodiment of the present invention;

7A and 7B illustrate an optical connection block structure according to a third embodiment of the present invention;

8 is a system showing an optical transmission system employing an optical connection block according to a third embodiment of the present invention;

9A and 9B illustrate an optical connection block structure according to a fourth embodiment of the present invention;

10 is a view schematically showing an optical connection block manufactured according to a fifth embodiment of the present invention;

11 illustrates an example of applying an optical connection block according to the present invention to a backplane connection device of an optical transmission system.

<Description of the code | symbol about the principal part of drawing>

10: optical connection block 12: optical fiber

28, 34: guide hole

The present invention relates to a manufacturing method of an optical connection block, and more particularly, to a manufacturing method of a three-dimensional optical connection block for connecting a printed circuit board (PCB) and the optical transmission and reception module of the optical transmission system.

As integrated circuit (IC) technologies are gradually advanced and their operation speeds and integration scales are improved, high performance of microprocessors and large capacity of memory chips are becoming very fast. As a result, signal processing is improved in next-generation information and communication systems consisting of large parallel computers or terabit (Tb / s) or higher asynchronous transfer-mode (ATM) switching systems that transmit large amounts of information at high speed. Because of the need for capability, higher speed of signal transmission and higher density of wiring are required.

However, since information transfer between relatively short distances such as boards and boards, or between chips and chips, is mainly performed by electrical signals, there is a limit in speeding up signals and increasing wiring density, and signal delays due to wiring's own resistance are problematic. Is emerging. In addition, since the high speed of signal transmission and the high density of wiring act as a cause of noise generation due to electromagnetic interference (EMI), countermeasures are also required.

Recently, an optical waveguide capable of transmitting and receiving a signal with light using a polymer and glass fiber as a means to solve the problem is to insert a printed circuit board (PCB). This is called an OPCB (Optical Printed Circuit Board). The OPCB is a mixture of electrical and optical signals, and high-speed data communication is transmitted as optical signals in the same board. In the device, copper circuit patterns are formed to be converted into electrical signals for data storage and signal processing. It refers to a printed circuit board in which an optical waveguide and a glass plate are inserted in a state.

In the invention described in Korean Patent Application No. 10-2004-0067105, "Optical Printed Circuit Board and Optical Connection Block Using Optical Fiber Bundle," which is an example of such an optical connection block, the optical fiber bundle is bent by 90 ° in a printed circuit board and an optical connection block. Increased alignment margin. Another example of an optical connection block, the invention described in US Pat. No. 6,789,953, fabricated an array of 90 ° bent fibers using MT ferrules. In addition, in the invention described in US Patent No. 6,315,464, "Electrooptical coupling module", another example of the optical connection block, optical coupling such as microlenses is used for optical coupling other than optical elements.

However, in the above-mentioned conventional technology, the optical connection block, which is an optical fiber, is connected to a printed circuit board (PCB) by bending 90 ° or the like, and a plurality of optical fibers can be connected in a straight line, 90 ° banding, and 180 ° banding. It was made in three-dimensional structure and there was a limit to the production in a fine size.

An object of the present invention is to solve the problems of the prior art as described above, coupled to the support block at least one or more optical connectors for connecting the optical fiber at various angles, such as linear connection, 90 ° bending, 180 ° bending The present invention provides a method for manufacturing an optical connection block having a three-dimensional structure by cutting a structure to a predetermined size.

In order to achieve the above object, the present invention provides a method for manufacturing an optical connection block having an optical fiber array, comprising inserting and connecting at least one optical fiber array to an open portion of at least one optical connector, and an optical connector connected to the optical fiber array. Inserting a structure of the support block into the guide groove of the support block, and inserting a solid material into the coupled support block to fix the optical fiber array connected to the optical connector to the support block, and the support block with X, Y, and Z axes; Cutting the optical connectors so that they are separated from each other to form an optical connection block in which the optical fiber array is fixed by solids.

According to another aspect of the present invention, there is provided a method of manufacturing an optical connection block having an optical fiber array, the method comprising: at least one optical fiber array at an open portion of at least one optical connector of the first to sixth optical connectors; Inserting and connecting the first and sixth optical connectors connected to each other by the optical fiber array, and inserting and coupling the structures of at least one optical connector into each guide groove of the support block; Inputting a solid to fix the optical fiber array connected to at least one of the first to sixth optical connectors to the support block, and to separate the support block and the optical connector from each other on the X, Y, and Z axes. Cutting to form an optical connection block in which the optical fiber array is fixed by solids. All.

DETAILED DESCRIPTION Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art may easily implement the present invention.

1 is a perspective view showing an optical connection block structure manufactured according to the first embodiment of the present invention.

Referring to FIG. 1, the first embodiment of the present invention has a structure in which a plurality of optical fiber arrays 12 connect different surfaces on two sides of a block of a rectangular parallelepiped to enable three-dimensional optical connection. For example, the optical fiber 12a on the top surface is bent and connected 90 ° to the optical fiber 12b on the left side. At this time, the spacing between the optical fibers is manufactured to have an accuracy of within 2㎛ 3㎛, the optical fiber array 12 maintains its shape by the solid of the optical connection block 10.

Guide pin holes 28 and 34 are provided on the upper surface and the left surface of the optical connection block 10 of the present embodiment so as to be spaced apart from each other, and through guide pins (not shown) that are precisely processed when fastening with an external device. Optical alignment is achieved.

2A to 2F are process flowcharts for manufacturing an optical connection block according to a first embodiment of the present invention. Referring to these drawings, a method of manufacturing the optical connection block according to the first embodiment of the present invention is as follows.

As shown in FIG. 2A, the optical fiber array 12 of 12 x 4 channels is inserted into the open portions 26 and 32 of the first and second optical connectors 22 and 28 having 12 x 4 channels. Give the banding. At this time, the first and second optical connectors 22 and 27 are provided with two guide pins 24 and 30, respectively.

As shown in FIG. 2B, the optical fiber array 12 inserts and bonds the first and second optical connectors 22 and 27 structures 90-bend into the guide grooves 21 of the support block 20. In this case, the guide grooves 21 of the support block 20 are formed on the upper and left sides of the block, respectively, and each guide groove 21 has a bottom portion of the first and second optical connectors 22 and 27 and guide pins ( 24, 30) are inserted.

As shown in FIG. 2C, when a part of the first and second optical connectors 22 and 27 is inserted into the guide groove 21 of the support block 20, the first optical connector 22 and the second optical connector ( 27) An adhesive such as epoxy is injected into the inside to fix the space between the optical fiber array 12 and the optical connectors 22 and 27.

As shown in FIG. 2D, the solid block 36 is introduced into the support block 20 and cured to support the optical fiber array 12 of the first optical connector 22 and the second optical connector 27. ). At this time, the support block 20 and the solid 36 is easy to cut and use a good abrasive material, preferably the optical connector 22, 27 and the support block 20 and the solid 36 are all the same It is made of a material, for example, mechanically transferable (MT) ferrules of glass-filled epoxy resin.

When the solid 36 is hardened and fixed to the support block 20, the guide pins inserted into the first optical connector 22 and the second optical connector 28 are removed. As a result, guide pin holes 28 and 34 are created at the positions where the guide pins are pulled out.

2E and 2F, the support block 20 and the optical connectors 22 and 27 are cut along the dotted lines A, B, and C so as to be separated from each other, and the cut surface is polished according to the present embodiment. The optical connection block is completed. Accordingly, in the optical connection block according to the first embodiment of the present invention, the plurality of optical fiber arrays 12 are inserted into the cut structure and the solid body in which the support blocks constituting the block are connected by bending 90 ° of different surfaces. And guide pin holes 28 and 34 are provided on the surface of the block to which the optical fiber is connected.

In the first embodiment of the present invention, the optical fiber array 12 is bent by 90 ° by the first and second optical connectors 22 and 27, but the optical fiber array 12 is connected at any angle in the optical connector. The angles can be 45 °, 90 °, 180 °, or in series.

3 is a diagram illustrating an optical transmission system employing an optical connection block according to a first embodiment of the present invention.

Referring to FIG. 3, the 90 ° bent optical connection block 10 manufactured according to the first embodiment of the present invention includes an optical printed circuit board 4 and optical transmission / reception modules 2 and 6 having solder balls 7. Since the optical connection block 10 is inserted into the space of the bonded structure, the size of the optical connection block 10 is very small, corresponding to the thickness of the optical printed circuit board 4. In this case, a guide pin (not shown) of the optical printed circuit board 4 is coupled to the guide hole of the optical connection block 10.

In addition, one side of the 90 ° bent optical fiber array 12 of the optical connection block 10 according to the first embodiment of the present invention has each active photoelectric device 3 of the optical transmission module 2 or the optical reception module 6. , 5). The other side of the optical fiber array 12 is aligned with the light transmission layer of the optical printed circuit board 4. Here, the connection between the optical transmission / reception module 2, 6 attached to the upper surface of the optical printed circuit board 4 or the optical transmission / reception module 2, 6 attached to the lower surface and the optical fiber array 12 is 90 ° rotation of the optical connection block 10 can be easily changed.

Also, if the optical fiber array 23 in the printed circuit board 4 and the optical fiber array 12 of the optical connection block 10 are kept at a certain distance, an index matching material 8 is inserted therebetween. Improve optical coupling efficiency

4 is a perspective view showing the optical connection block structure according to the second embodiment of the present invention.

Referring to FIG. 4, in the optical connection block 100 according to the second embodiment of the present invention, a plurality of optical fiber arrays 12 are arranged on two adjacent surfaces of four blocks of a rectangular parallelepiped so as to enable three-dimensional optical connection. It has a structure for connecting the other side by bending 90 °. For example, the optical fiber 112a on the top / bottom surface is bent 90 ° to the optical fiber 112b on the left / right surface. At this time, the optical fiber array 112 maintains its shape by the solids of the optical connection block 100.

Guide pin holes 128 and 134 are provided on the four surfaces of the optical connection block 100 of the present embodiment so as to be spaced apart from each other, and are aligned and coupled through guide pins (not shown) precisely processed when fastening with an external device. This is done.

5A to 5F are process flowcharts for manufacturing an optical connection block according to a second embodiment of the present invention. Referring to these drawings, a method of manufacturing an optical connection block according to a second embodiment of the present invention is as follows.

As shown in FIG. 5A, a 12 × 4 channel optical fiber array 112 is inserted into the open portions 126 and 132 of the first and second optical connectors 122 and 127 having 12 × 4 channels. Give 112 a 90 ° banding. In this case, two guide pins 124 and 130 are provided in the first and second optical connectors 122 and 127, respectively. The optical fiber array 144 of the 12 × 4 channel is inserted into the open portions (not shown) of the third and fourth optical connectors 140 and 150 having the 12 × 4 channel to be symmetrical with respect to the optical fiber array 112. Giving 90 ° bending, the third and fourth optical connectors 140 and 150 are provided with two guide pins 142 and 152, respectively.

As shown in FIG. 5B, the first and second optical connectors 122 and 127 where the optical fiber array 112 is bent 90 ° and the third and fourth where the other optical fiber array 144 is symmetrically 90 ° bent. The optical connectors 140 and 150 are inserted into the guide grooves 113 and 114 of the support block 110 to be coupled. At this time, the bottom portions of the first and second optical connectors 122 and 127 and the guide pins 124 and 130 are inserted into the guide grooves 113 of the support block 110, and the third guide grooves 114 are inserted into the other guide grooves 114. And the bottom portions of the fourth optical connectors 140 and 150 and the guide pins 142 and 152 are inserted.

As shown in FIG. 5C, a portion of the first and second optical connectors 122 and 128 and the third and fourth optical connectors 140 and 150 are disposed in the guide grooves 113 and 114 of the support block 110. When inserted, an adhesive such as epoxy is injected into each optical connector to fix the optical fiber arrays 112 and 144 and each optical connector 122, 127, 140 and 150.

Subsequently, as shown in FIG. 5D, the solid-state 160 is introduced into the support block 110 and cured by 90 ° through the first optical connector 122 and the second optical connector 127. 112 is fixed to the support block 110. In addition, the optical fiber array 144, which is bent 90 ° symmetrically, is fixed to the support block 110 through the third optical connector 140 and the fourth optical connector 150. At this time, the support block 110 and the solid 160 is easy to cut and use a good abrasive material, preferably the optical connectors 122, 127, 140, 150 and the support block 110 and the solid 160 The same optical connectors 22 and 27 and the support block 20 and the solid 36 are all manufactured from the same MT ferrule.

When the solids 160 are hardened and fixed to the support block 110, the guide pins which are inserted into the first optical connectors 122 to the fourth optical connectors 150 are extracted to guide pin holes ( 124a, 130a, 142a, and 152a.

Subsequently, as shown in FIGS. 5E and 5F, the support block 110 and the optical connectors 122, 127, 140, and 150 are moved along the dotted lines A, B, and C along the X, Y, and Z axes. Cutting to be separated from each other and the cut surface is polished to complete the optical connection block according to this embodiment. Accordingly, in the optical connection block according to the second embodiment of the present invention, a pair of optical fiber arrays 112 and 144 are inserted into the structure and the solid in which the support blocks are cut and 90 ° bent or adjacent to the adjacent planes and sides. 90 ° banding. The optical connection block 100 is provided with guide pin holes 124a, 130a, 142a, and 152a on the surface where the optical fiber arrays 112 and 144 are exposed.

6A and 6B are diagrams illustrating an optical transmission system employing an optical connection block according to a second embodiment of the present invention. An example of an optical transmission system having a 90 ° banding and a symmetrically 90 ° banded optical connection block 100 fabricated in accordance with a second embodiment of the present invention is as follows.

Since the optical connection block 100 is inserted into a space in which the optical printed circuit board 4 and the optical transmission / reception modules 2 and 6 are joined by solder balls 7, etc., the size of the optical connection block 100 is increased. It becomes very small at the height corresponding to the thickness of the optical printed circuit board 4. In this case, a guide pin (not shown) of the optical printed circuit board 4 is coupled to the guide hole of the optical connection block 100. An index matching material 8 is inserted between the optical fiber array 23 in the printed circuit board 4 and the optical fiber arrays 112 and 144 of the optical connection block 100 to increase optical coupling efficiency.

One side of the 90 ° bent optical fiber array 112 of the optical connection block 100 according to the second embodiment of the present invention is characterized in that each active optoelectronic device 3 of the optical transmission module 2 or optical reception module 6, 5), and the other side of the optical fiber array 112 is aligned to the light transmission layer of the optical printed circuit board 4. One side of the symmetrically 90 ° bent optical fiber array 144 of the optical connection block 100 is aligned with the optical transmission layer of the optical printed circuit board 4, and the other side of the optical fiber array 144 is Arranged in each active photoelectric element 3, 5 of the light transmitting module 2 or the light receiving module 6.

Accordingly, the optical transmission block 100 manufactured according to the second embodiment of the present invention enables optical transmission in both directions between the optical printed circuit board 4 and the optical transmission / reception modules 2 and 6 of the optical transmission system. Is done.

7A and 7B illustrate an optical connection block structure according to a third embodiment of the present invention.

7A and 7B, an optical connection block 200 according to a third embodiment of the present invention includes a first optical connector 202 and a second optical connector 204 inserted into and coupled to a guide groove of a support block. The 90 ° bending optical fiber array 220a is connected through the second optical connector 204 and the third optical connector 206 and the inverse 90 ° bending optical fiber array 220b is connected to the optical fiber array 220b. The optical fiber array 220c symmetrically bent 90 ° through the third optical connector 206 and the fourth optical connector 208 inserted into the support block is connected to the fourth optical connector 208 and the first optical fiber. Mirrored through connector 202, the 90 ° bent fiber array 220d is connected. At this time, the solid space 230 is filled in the coupling space between each support block and the optical connector to fix the banded optical fiber array.

The first to fourth optical connectors 202, 204, 206, and 208 coupled to the support block are cut in the X-axis, Y-axis, and Z-axis according to the dotted lines, and the cut surface is polished to obtain the present invention as shown in FIG. 7B. The optical connection block 200 according to the third embodiment of the present invention is completed. Accordingly, in the optical connection block 200 according to the third embodiment of the present invention, two pairs of optical fiber arrays 220a, 220b, 220c, and 220d are inserted into the structure and the solid 230 in which the support blocks are cut and the plane and 90 ° banding on the side, or 90 ° banding inverse. That is, the optical fiber arrays 220a, 220b, 220c, and 220d bend each other by 90 ° on four surfaces of the optical connection block 200.

The optical connection block 200 of the third embodiment of the present invention is also provided with guide pin holes 210, 212, 214, and 216 spaced apart from each other on four surfaces, and the guide pins are precisely processed when fastened with an external device ( Not shown).

8 is a system showing an optical transmission system employing an optical connection block according to a third embodiment of the present invention. An example of an optical transmission system having an optical connection block 200 for bending 90 degrees on all four surfaces of a block manufactured according to the third embodiment of the present invention is as follows.

The optical connection block 200 is inserted into a space in which the optical printed circuit board 4 and the optical transmission / reception module 331 are joined by the solder ball 7 or the like, and the optical printed circuit is inserted into the guide hole of the optical connection block 200. Guide pins (not shown) of the substrate 4 are coupled. An index matching material 8 is inserted between the optical fiber array 23 in the printed circuit board 4 and the optical fiber array of the optical connection block 200 to increase optical coupling efficiency.

In the optical connection block 200 according to the third embodiment of the present invention, the optical transmission layer of each of the active photoelectric devices 3 and 5 and the optical printed circuit board 4 of the optical transmission / reception module 331 is provided with an optical fiber array 23. Through bidirectional connection through the two-way optical transmission is achieved.

9A and 9B illustrate an optical connection block structure according to a fourth embodiment of the present invention.

9A and 9B, an optical connecting block 400 according to a fourth exemplary embodiment of the present invention includes a first optical connector 402 and a second optical connector 404 inserted into and coupled to a guide groove of a support block. The 90 ° bent fiber array 420c is connected through the second optical connector 404 and the inverse 90 ° bent fiber array 420e through the third optical connector 406. The optical fiber array 420f, which is symmetrically 90 ° bent, is connected through the third optical connector 406 and the fourth optical connector 408 inserted into the support block, and 180 ° bending to the fourth optical connector 408. The optical fiber array 420a is connected. In addition, a straight optical fiber array 420b is connected between the fourth optical connector 408 and the second optical connector 404 and a straight optical fiber array (between the first optical connector 402 and the third optical connector 406). 420d) is connected. At this time, the solid space 430 is filled in the coupling space between each of the support blocks and the optical connectors to fix the optical fiber arrays 420a, 420b, 420c, 420d, 420e, and 402f, which are 90 ° or 180 ° bent or connected in a straight line.

The first to fourth optical connectors 402, 404, 406, and 408 coupled to the support block are cut along the dotted lines in the X-axis, Y-axis, and Z-axis, and the cut surface is polished so as to polish the cut surface. The optical connection block 400 according to the fourth embodiment is completed. Accordingly, the optical connection block 400 according to the fourth embodiment of the present invention is a structure and solids 430 in which the optical fiber arrays 420a, 420b, 420c, 420d, 420e, and 420f of the random structure are cut. ), 90 ° banding, inverse 90 ° banding, symmetrically 90 ° banding, 180 ° banding, or the block face of the top, bottom, left and right in a straight line.

The optical connection block 200 of the fourth embodiment of the present invention is also provided with guide pin holes 410, 412, 414, 416 spaced apart from each other on each of the four surfaces, and guide pins that are precisely processed when fastened with an external device ( Not shown).

10 is a view schematically showing an optical connection block manufactured according to the fifth embodiment of the present invention. Referring to FIG. 10, an optical connection block according to a fifth embodiment of the present invention inserts and connects at least one optical fiber array to first to sixth optical connectors, and connects the structure of the optical connector to each guide of the support block. It is inserted into the groove and coupled to each other, solids are introduced into the coupled support block to fix the optical fiber array connected to the optical connector to the support block, and then the support block and the optical connector are cut to be separated from each other by the X, Y, and Z axes.

In the optical connection block 500 manufactured according to the present embodiment, a plurality of optical fiber arrays 510, 520, and 530 are all bent by 180 ° on all six surfaces of a rectangular parallelepiped to enable three-dimensional optical connection. , 45 °, 90 °, 180 ° such as bent at various angles have a structure that connects the different surfaces. The six surfaces of the optical connection block 500 of the present embodiment are provided with guide pin holes 540 spaced apart from each other, and optical alignment is performed through guide pins (not shown) that are precisely processed when fastened with an external device.

11 is a view showing an example of applying the optical connection block according to the present invention to the backplane connection device of the optical transmission system. Referring to FIG. 11, the present invention cuts a structure in which an optical fiber array is connected to at least two optical connectors in a guide groove of a support block by an X-axis, a Y-axis, and a Z-axis to form an optical connection block 600 having a very small size. The micro-optical connection block 600 can be used as a part of a backplane optical connection device using the MTP / MPO connector 610.

As described above, the present invention is a three-dimensional structure by combining the at least one optical connector for connecting the optical fiber at various angles, such as linear connection, 90 ° bending, 180 ° bending, etc. to the support block and then cut the combined structure to a certain size To make the optical connection block.

Therefore, the present invention can be applied to the optical connection device of various optical transmission systems by the optical connection block of the cube having a size of several mm and the three-dimensional optical connection.

Meanwhile, the present invention is not limited to the above-described embodiments, but various modifications are possible by those skilled in the art within the spirit and scope of the present invention described in the claims below.

Claims (12)

In the manufacturing method of the optical connection block having an optical fiber array, Inserting and connecting at least one optical fiber array to an open portion of at least one optical connector; Inserting and coupling the structure of the optical connector connected to the optical fiber array into the guide groove of the support block; Fixing a fiber array connected to the optical connector to the support block by injecting a solid into the combined support block; Cutting the support block and the optical connector to be separated from each other by X, Y, and Z axes to form an optical connection block in which an optical fiber array is fixed by a solid material. Method of manufacturing a three-dimensional optical connection block comprising a. The method of claim 1, The optical fiber array connected to the at least one optical connector is connected to each other at the same or different angles manufacturing method of the three-dimensional optical connection block. The method of claim 1, The method, After inserting and connecting at least one optical fiber array to an open portion of the at least one optical connector, A method of manufacturing a three-dimensional optical connection block further comprising the step of adhering an optical fiber array inserted into the optical connector. The method of claim 1, The at least one optical connector includes a guide hole, the manufacturing method of the three-dimensional optical connection block, characterized in that for adding a guide pin inserted in the guide hole. The method of claim 4, wherein The optical connector is a manufacturing method of a three-dimensional optical connection block comprising an MT ferrule for mounting the guide pin and the optical fiber of the open portion in the correct position. The method of claim 4, wherein The method, After inserting and coupling the structure of the optical connector into the guide groove of the support block, And extracting a guide pin of the optical connector. In the manufacturing method of the optical connection block having an optical fiber array, Inserting and connecting at least one optical fiber array to an open portion of at least one or more optical connectors of the first to sixth optical connectors; Inserting and coupling a structure of at least one or more optical connectors of the first to sixth optical connectors connected to the optical fiber array into each guide groove of the support block; Fixing a fiber array connected to at least one optical connector of the first to sixth optical connectors to the support block by introducing a solid material into the combined support block; Cutting the support block and the optical connector to be separated from each other by X, Y, and Z axes to form an optical connection block in which an optical fiber array is fixed by a solid material. 3D optical connection block manufacturing method comprising a. The method of claim 7, wherein The optical fiber array connecting at least one or more optical connectors of the first to sixth optical connector is connected to each other at the same or different angles. The method of claim 8, The method, After inserting and connecting at least one optical fiber array to an open portion of at least one of the first to sixth optical connectors; Adhering an optical fiber array inserted into the first to sixth optical connectors. The method of claim 8, The optical connector includes a guide hole and the manufacturing method of the three-dimensional optical connection block, characterized in that for adding a guide pin inserted in the guide hole. The method of claim 10, The optical connector is a manufacturing method of a three-dimensional optical connection block comprising an MT ferrule for mounting the guide pin and the optical fiber of the open portion in the correct position. The method of claim 10, The method, After inserting and coupling the structure of any one or more optical connectors of the first to sixth optical connector into each guide groove of the support block, And extracting a guide pin of the optical connector.

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