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Optical module

An optical module and bump technology, applied in the field of optical modules, can solve the problems of reducing the flexibility of optical module wiring and other issues

Inactive Publication Date: 2018-07-31
HISENSE BROADBAND MULTIMEDIA TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] An optical module is provided in an embodiment of the present invention to solve the problem in the prior art that the cooling block reduces the wiring flexibility of the optical module

Method used

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Embodiment Construction

[0024] In order to enable those skilled in the art to better understand the technical solutions in the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described The embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.

[0025] Please refer to image 3 , which is a schematic diagram of a common wiring structure of a PCB board. On the optical module PCB board 2, usually a large number of chips 24 are assembled. The chip 24 is the main heat-generating component of the PCB board 2. It is usually assembled on the upper surface of the heat dissipation block...

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Abstract

The invention provides an optical module, and the optical module comprises a housing and a PCB disposed in the housing. A main heat dissipation block and at least one auxiliary heat dissipation blockare embedded in the PCB at an interval. The main heat dissipation block and the auxiliary heat dissipation block are connected through a thermal conductor embedded in the PCB, wherein the upper surface of the main heat dissipation block is provided with a chip. At least one surface of the auxiliary heat dissipation block makes contact with the housing. In the optical module provided by the invention, the main heat dissipation block and the auxiliary heat dissipation block are set at an interval, and are connected through the thermal conductor. One the one hand, the auxiliary heat dissipation block can make contact with the housing, and enables the heat of the main heat dissipation block to be conducted to the housing for dissipation, thereby improving the heat dissipation effect of the main heat dissipation block; on the other hand, the main heat dissipation block and the auxiliary heat dissipation block are set at an interval and a connecting line can pass between the main heat dissipation block and the auxiliary heat dissipation block, thereby enabling the wiring of a PCB in the optical module to be more flexible.

Description

technical field [0001] The present application relates to the technical field of optical modules, in particular to an optical module. Background technique [0002] An optical module is a commonly used photoelectric conversion device. See figure 1 , which is a schematic structural diagram of a common optical module. Depend on figure 1 It can be seen that the optical module is an airtight packaging structure jointly formed by the housing 1 , the PCB board 2 and the cover board 3 . Multiple chips are carried on the PCB board 2, and the chips release heat during the operation of the optical module. As the transmission rate of the optical module continues to increase, the power consumption of the optical module also increases. Therefore, how to enhance the heat dissipation of the optical module PCB has become a difficult point in the design of the optical module. [0003] figure 2 It is a schematic diagram of heat dissipation structure of a common high power consumption o...

Claims

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Application Information

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IPC IPC(8): H05K1/02H05K7/20
CPCH05K1/0203H05K7/205H05K2201/10416
Inventor 郑龙
Owner HISENSE BROADBAND MULTIMEDIA TECH