CN201491374U

CN201491374U - Anti-flash structure for half-edge plating hole of circuit board

Info

Publication number: CN201491374U
Application number: CN2009201933034U
Authority: CN
Inventors: 莫介云
Original assignee: GUANG DONG ELLINGTON ELECTRONICS TECHNOLOGY Co Ltd
Current assignee: GUANG DONG ELLINGTON ELECTRONICS TECHNOLOGY Co Ltd
Priority date: 2009-08-19
Filing date: 2009-08-19
Publication date: 2010-05-26
Anticipated expiration: 2019-08-19

Abstract

The utility model discloses an anti-flash structure for a half-edge plating hole of a circuit board, comprising the circuit board, and the circuit board is provided with a half-edge plating hole, and both ends of the half-edge plating hole are respectively provided with anti-flash holes in a drilling way. The anti-flash structure for the half-edge plating hole of the circuit board is characterized in that: the anti-flash hole penetrates the upper side, the lower side of the circuit board. The purpose of the utility model is to overcome the shortcomings in the prior art, and provides the anti-flash structure which can effectively prevent the peeling of the half-edge plating hole during the process of forming and cutting.

Description

The anti-burr structure of the half of electroplating hole of a kind of circuit board

[technical field]

The utility model relates to the anti-burr structure of the half of electroplating hole of a kind of circuit board.

[background technology]

Circuit board such as printed circuit board (PCB), flexible PCB are widely used in electronic applications.In the process of board production since the design needs, on sheet edge half-edge hole can appear sometimes, and these half-edge holes need be electroplated, electroplate the back and on the hole wall of half of electroplating hole, can form one deck copper facing, in the process of board production, according to design, circuit board on the substrate need be divided into the polylith platelet as shown in Figure 1, use the gong cutter along the dotted line excision forming, in the process of platelet moulding cutting, being easy on the half of electroplating hole hole wall rolled by moulding gong cutter and to be peeled off, and can cause pcb board to be held like this, short circuit, the copper facing of rolling also scratch the copper facing pattern of circuit board surface easily.

[utility model content]

The utility model purpose is to have overcome deficiency of the prior art, provides a kind of simple in structure, can prevent effectively that half of electroplating hole from producing the anti-burr structure of peeling off in the process of moulding cutting.

The utility model is achieved through the following technical solutions:

The anti-burr structure of the half of electroplating hole of a kind of circuit board comprises circuit board, is provided with half of electroplating hole on circuit board, is drilled with anti-burr hole on described half of electroplating hole two ends respectively.

The anti-burr structure of the half of electroplating hole of aforesaid a kind of circuit board is characterized in that described anti-burr hole connects the upper and lower both sides of circuit board.

The anti-burr structure of the half of electroplating hole of aforesaid a kind of circuit board is characterized in that described anti-burr hole is a circular port.

Compared with prior art, the utility model has following advantage:

Half of electroplating hole two ends are provided with anti-burr hole in the utility model, when the gong cutter cuts half of electroplating hole in the process of moulding cutting, because the existence in anti-burr hole, the gong cutter can not touch the inwall of half of electroplating hole, can not roll hole wall copper facing yet, thereby avoided problems such as pcb board is opened, short circuit, prevented bad order problems such as the wiping of plate face is colored, and plate upper thread road figure is fuzzy effectively.

[description of drawings]

Fig. 1 is the schematic diagram of prior art;

Fig. 2 is a schematic diagram of the present utility model.

[embodiment]

Below in conjunction with accompanying drawing the utility model is elaborated:

The anti-burr structure of the half of electroplating hole of a kind of circuit board as shown in Figure 2 comprises circuit board 1, is provided with half of electroplating hole 2 on circuit board, is drilled with anti-burr hole 3 on described half of electroplating hole 2 two ends respectively.

Anti-burr hole 3 described in the utility model connects circuit board 1 upper and lower both sides.Described anti-burr hole 3 is a circular port.

Anti-burr hole 3 described in the utility model is arranged on the edge at half of electroplating hole 2 two ends, make the half of electroplating hole 2 and the edges of boards of circuit board 1 predetermined cuts form an arc-shaped transition, when the gong cutter cuts half of electroplating hole 2 in the process of moulding cutting, because the existence in anti-burr hole 3, the gong cutter can not touch the inwall of half of electroplating hole 3, can not roll hole wall copper facing yet, thereby problems such as pcb board is opened, short circuit have been avoided, prevent bad order problems such as the wiping of plate face is colored, and plate upper thread road figure is fuzzy effectively.

Claims

1. the anti-burr structure of the half of electroplating hole of circuit board comprises circuit board (1), is provided with half of electroplating hole (2) on circuit board, it is characterized in that: be drilled with anti-burr hole (3) respectively on described half of electroplating hole (2) two ends.

2. the anti-burr structure of the half of electroplating hole of a kind of circuit board according to claim 1 is characterized in that described anti-burr hole (3) connects the upper and lower both sides of circuit board (1).

3. the anti-burr structure of the half of electroplating hole of a kind of circuit board according to claim 1 is characterized in that described anti-burr hole (3) is circular port.