Method for controlling depth of blind slot of PCB buried copper block

A copper plate and blind slot technology, which is applied in the details of milling machine equipment, metal processing equipment, milling machine equipment, etc., can solve the problem of flatness at the bottom of the slot

Inactive Publication Date: 2018-08-10
奥士康精密电路(惠州)有限公司
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  • Abstract
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AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a method for controlling the depth of blind grooves of buried copper plates and copper blocks in PCBs, which can solve the problem of the flatness of the bottom of the groove and the problem of the edge of the groove, and ensure the tolerance of the depth of the controlled depth under the operation of the non-controlled depth gong machine

Method used

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  • Method for controlling depth of blind slot of PCB buried copper block
  • Method for controlling depth of blind slot of PCB buried copper block

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Embodiment Construction

[0024] The present invention will be described in further detail below in conjunction with specific embodiments and accompanying drawings.

[0025] In a preferred embodiment, a method for controlling the depth of a blind groove of a PCB buried copper plate copper block of the present invention comprises the following steps:

[0026] a. Drill holes on PCB buried copper plate;

[0027] b. Grinding the front of the PCB buried copper plate;

[0028] c. Mill blind slots on PCB buried copper boards;

[0029] d. Sink the copper plate on the PCB buried copper plate;

[0030] Among them, the controlled depth milling of blind slots includes the following steps:

[0031] 1. Design the gong belt: the diameter of the milling cutter used is 2.4mm, the lower point of the milling cutter is set at the center of the blind groove, the cutting line of the milling cutter is in the shape of a zigzag, and the overlapping width of the cutting line is 0.96mm; figure 1 As shown, the reference numbe...

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Abstract

The invention relates to the field of PCB technology, and discloses a method for controlling the depth of a blind slot of a PCB buried copper block. The method comprises the following step a of drilling the PCB buried copper block; the step b of removing burrs from the PCB buried copper block; the step c of milling the blind slot for the PCB buried copper block; and the step d of plating the PCB buried copper block. Through the test verification, according to the method, the product quality is improved, and the customer requirements are met properly.

Description

technical field [0001] The invention relates to the field of PCB processing, in particular to a method for controlling the depth of a blind groove of a copper block on a PCB buried copper plate. Background technique [0002] With the multi-functional development of electronic products, the application of embedded copper block PCB is more and more extensive, the demand of customers is increasing, and the requirements for copper block are also increasing. The deep research of internal groove control continuously improves our company's technological capabilities to meet the needs of customers, thereby increasing corporate profits and enhancing the company's overall competitiveness. It is inevitable to occupy and expand market share. [0003] Combined with the traditional technology in the field of circuit boards, through continuous research on the design of gong belts and production parameters, a set of mature copper block depth control technology has been obtained to meet cust...

Claims

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Application Information

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IPC IPC(8): B23P15/00B23C3/34
Inventor 李军付雷唐先渠贺波
Owner 奥士康精密电路(惠州)有限公司
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