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How to deal with the burr in the pth connecting hole

A processing method and hole-connecting technology, applied in the processing of insulating substrates/layers, printed circuits, electrical components, etc., can solve problems such as poor draping effect, achieve simple operation, improve work efficiency, and reduce the number of stacked boards Effect

Active Publication Date: 2021-05-04
江西旭昇电子有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In order to solve the problem of burrs in PTH connecting holes, in the existing technology, the technical means of reducing the number of stacked plates and removing burrs is mainly used. When the diameter is less than 1.5mm, the effect of removing the front by the above method is not good

Method used

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  • How to deal with the burr in the pth connecting hole
  • How to deal with the burr in the pth connecting hole

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Embodiment Construction

[0022] In order to enable those skilled in the art to better understand the technical solutions in the embodiments of the present invention, and to make the above-mentioned objects, features and advantages of the present invention more obvious and understandable, the specific implementation manners of the present invention will be further described below.

[0023] It should be noted here that the descriptions of these embodiments are used to help understand the present invention, but are not intended to limit the present invention. In addition, the technical features involved in the various embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

[0024] Please refer to figure 1 and figure 2 ,in figure 1 The flow chart of the processing method of the PTH connecting hole burr provided by the present invention; figure 2 It is a schematic diagram of the connected hole structure after the treatment ...

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Abstract

The invention discloses a method for processing PTH connecting hole burrs. The method for processing the burr in the PTH connecting hole includes the following steps: drilling at the reserved position of hole A; drilling at the reserved position of hole B, and the intersection of hole B and hole A forms a connecting hole; step S3: Drill again at the same position to form hole C, and the shape and size of hole C are the same as hole A. The method for treating the burr of the PTH connecting hole provided by the invention has a simple process, and the product has no burr phenomenon after being washed with water and electroplating.

Description

technical field [0001] The invention relates to the technical field of printed circuit board production, in particular to a method for processing PTH connecting hole burrs. Background technique [0002] PCB (Printed Circuit Board, printed circuit board) is an important electronic component, a support for electronic components, and a carrier for electrical connections of electronic components. PTH (Platating Through Hole, metallized hole) is generally provided on the PCB, and copper is provided inside the hole to realize electrical conduction. [0003] With the technological development of the electronics industry, in order to meet customer requirements, the PTH holes in PCB boards are often required to be designed as connecting holes. The intersection of holes and holes will produce burrs, which are obvious after electroplating. In order to solve the problem of burrs in PTH connecting holes, in the existing technology, the technical means of reducing the number of stacked p...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H05K3/00
CPCH05K3/0047H05K3/0055H05K2203/025
Inventor 董猛卢重阳卢根平汤文波
Owner 江西旭昇电子有限公司
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