---
description: iPhone back cover IMEI laser marking need to use 20W MOPA fiber laser marking machine. Other laser source will easily lead to deformation of the material.
title: 20W MOPA Fiber Laser Marking IMEI on iPhone Back Cover
image: https://www.stylecnc.com/uploads/youtube/QNJGWTklkFc.jpg
---

# [20W MOPA Fiber Laser Marking IMEI on iPhone Back Cover - Video](https://www.stylecnc.com/cnc-laser-videos/iphone-back-cover-IMEI-laser-marking-machine-mopa.html "20W MOPA Fiber Laser Marking IMEI on iPhone Back Cover")

## 20W MOPA Fiber Laser Marking IMEI on iPhone Back Cover

Last Updated: 2020-01-07 15:48:32 By [Jimmy](https://www.stylecnc.com/author/jimmy "Jimmy") with 1467 Views

iPhone back cover IMEI laser marking need to use 20W MOPA fiber laser marking machine. Other laser source will easily lead to deformation of the material.

![20W MOPA Fiber Laser Marking IMEI on iPhone Back Cover]()

4.8 (61)

01:28

### Video Description

Now more and more thin electronic products, many mobile phones, tablets, computers are using a thin aluminum oxide as the product of the shell. Using laser Q-switch in thin aluminum plate marking guide potential, easily lead to deformation of the material, abaxially produced "convex hull", directly affect the appearance. The parameters of MOPA laser pulse width smaller, which can make the material easy to deformation, shading is more delicate and bright white. This is due to the laser MOPA use the pulse width parameter can make laser stay at the material time becomes shorter, and sufficiently high energy can remove the anode layer, so for thin aluminum plate surface stripping anode processing, MOPA laser is a better choice.

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## Further Reading

### Fresh Coconut Laser Engraving and Marking Machine

2016-03-28[Prev Video](https://www.stylecnc.com/cnc-laser-videos/Coconut-laser-engraving-and-marking-machine.html "Fresh Coconut Laser Engraving and Marking Machine")

### Fiber Laser Marking Machine Engraving iPhone 6s Back Panel

2016-05-20[Next Video](https://www.stylecnc.com/cnc-laser-videos/iphone-6s-laser-marking-machine.html "Fiber Laser Marking Machine Engraving iPhone 6s Back Panel")

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### STYLECNC

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