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Coaxial package structure and optical transmission assembly

A packaging structure and coaxial technology, applied in the field of optical communication, can solve the problems affecting the photoelectric performance of light emitting components, large impedance, etc., and achieve the effects of reducing inductance, improving impedance, and improving high-speed performance

Pending Publication Date: 2018-11-02
INNOLIGHT TECHNOLOGY (SUZHOU) LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Especially for the coaxial package structure of the transmitting end, since the impedance of the link is 25 ohms at a single end, the impedance at the position of the soft board and the socket is relatively large, which will directly affect the photoelectric performance of the entire light emitting component

Method used

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  • Coaxial package structure and optical transmission assembly
  • Coaxial package structure and optical transmission assembly
  • Coaxial package structure and optical transmission assembly

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Embodiment Construction

[0032] The application will be described in detail below in conjunction with specific implementations shown in the accompanying drawings. However, these implementations do not limit the present application, and any structural, method, or functional changes made by those skilled in the art based on these implementations are included in the protection scope of the present application.

[0033] In each drawing of the present application, some dimensions of structures or parts are exaggerated relative to other structures or parts for the convenience of illustration, and therefore, are only used to illustrate the basic structure of the subject matter of the present application.

[0034] The terms used herein to denote relative spatial positions such as "upper", "above", "under", "under", etc. are for convenience of description to describe the relative position of one element or feature relative to another as shown in the drawings. Relationships of units or features. The terms of s...

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Abstract

The present invention discloses a coaxial package structure and an optical transmission assembly. The coaxial package structure comprises a flexible board and a tube socket electrically connected withthe flexible board; and the flexible board comprises a dielectric material layer, a signal transmission layer on the dielectric material layer, and a grounding layer under the dielectric material layer, wherein the grounding layer on the flexible board is electrically connected with the tube socket directly. According to the coaxial package structure and the optical transmission assembly of the invention, a cover film under the flexible board and a reinforcing board under the cover film are omitted; and the signal transmission layer of the flexible board is electrically connected with the tube socket directly; and therefore, the inductiveness of a loop path can be decreased, the impedance of a signal link is decreased, and the high-speed performance of a product can be improved. The coaxial package structure and the optical transmission assembly can be used for ultra-high-rate transmission.

Description

technical field [0001] The application belongs to the technical field of optical communication, and in particular relates to a coaxial packaging structure and an optical transmission component. Background technique [0002] Coaxial (TO) lasers can achieve high-speed modulation of 10Gbps. Due to the advantages of small size, low cost, and convenient connection, coaxial lasers can be widely used in optical transceiver modules for access networks, metropolitan area networks, and rack switching equipment. Such as small form factor package (SFF), small form factor pluggable package (SFP) and so on. [0003] For example, the patent with the notification number CN103278891B in the prior art discloses a high-speed light-receiving component integrating a limiting amplifier, including a tube base, a tube cap and an adapter. The tube cap is sealed and installed on the tube base, and the adapter is installed on the tube cap. The axis of the through hole on the adapter coincides with th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B6/42
CPCG02B6/4237G02B6/4239G02B6/4245G02B6/4279H04B10/503H04B10/60
Inventor 汪振中刘宛宗
Owner INNOLIGHT TECHNOLOGY (SUZHOU) LTD
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