CN204761835U

CN204761835U - One -board

Info

Publication number: CN204761835U
Application number: CN201520399833.XU
Authority: CN
Inventors: 高晓峰
Original assignee: ZTE Corp
Current assignee: ZTE Corp
Priority date: 2015-06-10
Filing date: 2015-06-10
Publication date: 2015-11-11
Anticipated expiration: 2025-06-10
Also published as: WO2016197682A1

Abstract

The utility model discloses an one -board includes at least: an ordinary panel one -board for realizing the high -speed panel one -board of high -speed transmission, be used for realizing the low -speed transmission to and one or more than one are used for realizing the socket or the connector of the signal intercommunication between high -speed panel one -board and the ordinary panel one -board. Through the utility model discloses a scheme, only the part with the high -speed transmission adopts high -speed panel one -board to realize the cost is reduced. (Pbpnum='1' /)

Description

A kind of veneer

Technical field

The utility model relates to printed circuit board (PCB, PrintedCircuitBoard) designing technique, espespecially a kind of veneer.

Background technology

General conventional pcb board material is common FR4 material, and a pair differential signal line is 12.5 Gigabits per seconds (Gbps) by the attainable peak transfer rate of the processing technologys such as back drill on FR4 sheet material.Such as, for higher transmission rate, 25Gbps, need the high speed sheet material according to the actual conditions of transmission line, pcb board material being replaced by different brackets, thus make board cost increase at double, and production costs significantly increases.

Utility model content

In order to solve the problem, the utility model proposes a kind of veneer, can reduce costs.

In order to achieve the above object, the utility model proposes a kind of veneer, at least comprise:

For realize high-speed transfer high speed sheet material veneer, for realizing the common sheet material veneer of low speed transmissions, and one or more are for realizing socket or the connector of the signal intercommunication between high speed sheet material veneer and common sheet material veneer.

Preferably, also comprise:

One or more are for locating the connector of the relative position of described common sheet material veneer and described high speed sheet material veneer.

Compared with prior art, the utility model comprises: for realize high-speed transfer high speed sheet material veneer, for realizing the common sheet material veneer of low speed transmissions, and one or more are for realizing socket or the connector of the signal intercommunication between high speed sheet material veneer and common sheet material veneer.By scheme of the present utility model, only the part of high-speed transfer adopted high speed sheet material veneer to realize, reduce cost.

Accompanying drawing explanation

Be described the accompanying drawing in the utility model embodiment below, the accompanying drawing in embodiment is for further understanding of the present utility model, is used from explanation the utility model, does not form the restriction to the utility model protection range with specification one.

Fig. 1 be the utility model sink the board-like back of the body insert formula veneer structure composition schematic diagram;

Fig. 2 is the structure composition schematic diagram that the utility model stacked plate type back of the body inserts formula veneer;

Fig. 3 is the structure composition schematic diagram of the single veneer of the utility model stacked plate type.

Embodiment

For the ease of the understanding of those skilled in the art, below in conjunction with accompanying drawing, the utility model will be further described, can not be used for limiting protection range of the present utility model.It should be noted that, when not conflicting, the various modes in the embodiment in the application and embodiment can combine mutually.

The utility model proposes a kind of veneer, at least comprise:

Wherein, high-speed transfer can refer to a pair transmission that differential signal line carries out more than 12.5Gbps speed, and low speed transmissions can refer to a pair transmission that differential signal line carries out 12.5Gbps or below 12.5Gbps speed.

Wherein, the material of common sheet material veneer can be FR4 etc., and the material of high speed sheet material veneer can be TU-872SLKSP or Megtron4 or Megtron6 etc.

Optionally, also comprise: one or more are for locating the connector of the relative position of described common sheet material veneer and described high speed sheet material veneer.

Wherein, heavy board-like or stacked plate type can be adopted between high speed sheet material veneer and common sheet material veneer.Wherein, the heavy board-like region intercepting out placement high speed sheet material veneer exactly on common sheet material veneer, stacked plate type superposes high speed sheet material veneer exactly on common sheet material veneer.

By scheme of the present utility model, because the 25Gbps of veneer or the high-speed transmission line of higher rate just use as service convergence transmission line, often just be positioned at the subregion between the business chip (such as exchange chip) on the external high-speed interface of veneer (high-speed interface on such as backboard or optical fiber interface etc.) and veneer, this part region often only accounts for the sub-fraction of veneer area, what lay in other most of regions of veneer is low speed transmissions signal and 12.5Gbps signal transmission, and these signals adopt the veneer of common sheet material (such as FR4) just can realize, therefore, high speed sheet material veneer only the part of high-speed transfer is adopted to realize, reduce cost.

Veneer of the present utility model is described in detail below by specific embodiment.

First embodiment, Fig. 1 is the structure composition schematic diagram that the heavy board-like back of the body inserts formula veneer.As shown in Figure 1, the heavy board-like back of the body insert formula veneer comprise common sheet material veneer, high speed sheet material veneer, for realizing the socket of the signal intercommunication between high speed sheet material veneer and common sheet material veneer or connector, for locating the connector of the relative position of common sheet material veneer and high speed sheet material veneer.

Common sheet material veneer also includes power interface socket and low speed signal interface socket, high speed sheet material veneer also includes high speed signal interface socket.

Wherein, common sheet material veneer intercepts out subregion for placing high speed sheet material veneer.

Wherein, connector not only needs to locate the vertically opposite position between common sheet material veneer and high speed sheet material veneer, the PCB horizontal plane of common sheet material veneer and high speed sheet material veneer is consistent, also need to locate the horizontal relative position between common sheet material veneer and high speed sheet material veneer, make the back of the body on high speed sheet material veneer insert formula high speed signal interface socket to be consistent with position when adopting monolithic high speed sheet material veneer to realize, connector is also as the stressed strong point of high speed sheet material veneer during plug veneer simultaneously, thus reach can to the object of original veneer bandwidth smooth upgrade.

Second embodiment, Fig. 2 is the structure composition schematic diagram that the stacked plate type back of the body inserts formula veneer.As shown in Figure 2, the stacked plate type back of the body insert formula veneer comprise common sheet material veneer, high speed sheet material veneer, for realizing the socket of the signal intercommunication between high speed sheet material veneer and common sheet material veneer or connector, for locating the connector of the relative position of common sheet material veneer and high speed sheet material veneer.

Wherein, by connector superposition high speed sheet material veneer on common sheet material veneer, connector only needs the relative position of locating high speed sheet material veneer, the back of the body on guarantee high speed sheet material veneer is inserted formula high speed signal interface socket position and is met designing requirement, connector is also as the stressed strong point of high speed sheet material veneer during plug veneer simultaneously, thus reaches the object reducing high speed sheet material veneer cost.

3rd embodiment, Fig. 3 is the structure composition schematic diagram of the single veneer of stacked plate type.As shown in Figure 3, the single veneer of stacked plate type comprise common sheet material veneer, high speed sheet material veneer, for realizing socket or the connector of the signal intercommunication between high speed sheet material veneer and common sheet material veneer.

High speed sheet material veneer also includes high speed signal interface socket.

Wherein, common sheet material veneer superposes high speed sheet material veneer, due to without back plate type socket demand, therefore connector can optionally be matched, high speed sheet material veneer also can adopt socket or other fixed forms, such as glue etc., thus reach the object reducing non-backboard single high speed sheet material veneer cost.

It should be noted that; above-described embodiment is only understand for the ease of those skilled in the art; be not limited to protection range of the present utility model; under the prerequisite not departing from utility model of the present utility model design, any apparent replacement that those skilled in the art make the utility model and improvement etc. are all within protection range of the present utility model.

Claims

1. a veneer, is characterized in that, at least comprises:

2. veneer according to claim 1, is characterized in that, also comprises: