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Assembling method for optical module and optical module

An assembly method and optical module technology, applied in the coupling of optical waveguides, light guides, optics, etc., can solve the problems of reducing the accuracy of optical modules, the light cannot be injected into the optical fiber, and the propagation path deviates from the set path, etc., so as to improve the yield rate, The effect of improving assembly accuracy and reducing waste

Active Publication Date: 2016-01-20
HISENSE BROADBAND MULTIMEDIA TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For the optical module of the single-mode mechanism, this offset will cause the actual propagation path of the light to seriously deviate from the set path, so that the light cannot be injected into the optical fiber, which reduces the accuracy of the optical module

Method used

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  • Assembling method for optical module and optical module
  • Assembling method for optical module and optical module
  • Assembling method for optical module and optical module

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] In view of the fact that in the prior art, the use of glue to bond the lens assembly and the circuit board will affect the installation accuracy of the lens assembly, this embodiment provides an optical module assembly method that can reduce the displacement of the lens assembly during the installation process. Thus, the mounting accuracy is improved.

[0029] image 3 It is a flowchart of an optical module assembly method provided by an embodiment of the present invention. Such as image 3 As shown, the optical module assembly method provided in this embodiment includes:

[0030] Step 101, forming a first metal layer on the side of the lens assembly.

[0031] Figure 4 A schematic diagram of the structure of the first metal layer formed on the side of the lens assembly in the optical module provided by the embodiment of the present invention. Such as Figure 4 As shown, the bottom surface of the lens assembly 3 is the surface facing the circuit board 1 , and the ...

Embodiment 2

[0057] This embodiment provides an implementation of an optical module, which can be obtained by using the optical module assembly method provided in the first embodiment above. Specifically, the optical module includes: a circuit board 1 and a lens assembly 3, wherein the lens assembly 3 The bottom surface is in contact with the circuit board 1 . The side of the lens assembly 3 is provided with a first metal layer 31, and the surface of the circuit board 1 is provided with a second metal layer 11. When the lens assembly 3 is placed on the surface of the circuit board 1, the second metal layer 11 and the first metal layer 31 contacts. There are tin particles 7 between the first metal layer 31 and the second metal layer 11 for thermally melting and fixing the first metal layer 31 and the second metal layer 11 together.

[0058] Specifically, the bottom surface of the lens assembly 3 is a surface facing the circuit board 1 , and the side surface is a surface adjacent to the bot...

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Abstract

The invention provides an assembling method for an optical module and the optical module. The assembling method includes: a first metal layer is formed on a side surface of a lens assembly; a second metal layer is formed on the surface of a circuit board, and the second metal layer is used for contacting with the first metal layer; and the solder coating technology is employed to form tin particles between the first metal layer and the second metal layer so that the first metal layer and the second metal layer are hot melted and fixedly connected. According to the assembling method for the optical module and the optical module, the assembling precision of the optical module can be improved.

Description

technical field [0001] The invention relates to the structural technology of an optical fiber communication device, in particular to an assembly method of an optical module and the optical module. Background technique [0002] The optical module is a very important optical signal interface device in optical fiber communication. figure 1 is a schematic structural diagram of an optical module in the prior art, figure 2 It is a structural schematic diagram of another optical module in the prior art. Such as figure 1 with figure 2 As shown, the optical module mainly includes a circuit board 1, an optical receiving device / transmitting device disposed on the circuit board, and a lens assembly 3 covered on the optical receiving device / transmitting device, the lens assembly 3 is connected to an optical fiber 4, The light emitted by the optical sending device is reflected by the lens assembly 3 and then enters the optical fiber 4 , or the light emitted from the optical fiber 4 ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B6/42
CPCG02B6/4204G02B6/4236G02B6/4251G02B6/4296
Inventor 黄永亮刘旭霞庄文杰王立平孙敏
Owner HISENSE BROADBAND MULTIMEDIA TECH
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