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Shenzhen Chaomi Laser Technology Co., Ltd

Mobile: 158-2042-3006

Tel: 0755-36976853

E-mail: sz@cmlaser88.com

URL:www.szcmlaser.com

Add: 4th Floor, Building B, Zhonghengsheng High-tech Park, Xinyu Road, Xinqiao Street, Baoan District, Shenzhen

Which industries can UV laser marking machines generally be used in?

2021-05-12 01:53:36
a

The marking effect of the UV laser marking machine is better than that of the general laser marking machine, which is why it is one of the laser devices of the smart device. Let's take a look at which industries the UV laser marking machine can generally be used in:


1: Exterior etching/production of circuits


        The UV laser marking machine works quickly when used in the production of circuits, and can etch the external pattern on the circuit board in a few minutes. This makes UV lasers a fast way to produce PCB samples. The R&D department has noticed that more and more sample laboratories are being equipped with internal UV laser systems. Depending on the verification of optical instruments, the size of the ultraviolet laser beam can reach 10-20μm, and then flexible circuit traces can be produced. Ultraviolet rays have a great advantage in producing circuit traces. The circuit traces are extremely small and need to be seen under a microscope. This circuit board measures 0.75 inches x 0.5 inches and consists of a sintered ceramic substrate and tungsten/nickel/copper/surface. The laser can generate circuit traces of 2 mils with a distance of 1 mil, and then the entire distance is only 3 mils.


Online laser marking machine

Although the use of laser beams to produce circuits is a faster method for PCB samples, large-scale surface etching is left to chemical processes.


2: Disassembly of PCB


       High-power UV laser marking machines using cut switches are a good choice for large or small production companies. It is also a good choice for PCB disassembly, especially when it needs to be used on flexible or rigid-flex circuit boards. Good choice. Disassembly is the removal of a single circuit board from the panel. Considering the continuous increase in flexibility of materials, this disassembly will face great challenges. Mechanical disassembly methods such as V-groove cutting and automatic circuit board cutting simply damage the flexible and thin substrates, and cause trouble for electronic professional manufacturing service (EMS) companies when disassembling flexible and rigid-flex circuit boards. Ultraviolet laser cutting can not only eliminate the influence of mechanical stress in the process of cutting edge processing, deformation and damage to circuit components, but also have less thermal stress than other lasers such as CO2 laser cutting. . The reduction of "cutting the cushion" can save space, which means that components can be placed closer to the edge of the circuit, and more circuits can be installed on each circuit board to increase the power to the highest point, and then reach the flexible circuit. limit. Double-head continuous galvanometer welding machine





3: UV laser marking machine is used in drilling


       Because of the small beam size and low stress characteristics of the ultraviolet laser, the laser marking machine is used for drilling, including through holes, micro holes and blind buried holes. The ultraviolet laser system drills a hole by concentrating a vertical beam to cut directly through the substrate. Depending on the material used, holes as small as 10μm can be drilled. Ultraviolet lasers are particularly useful for multi-layer drilling. The multi-layer PCB uses composite materials to be hot die-casted together. These so-called "semi-cured" will separate, especially after the use of higher temperature laser processing. However, the relatively stress-free feature of UV lasers solves this problem. A 14 mil multilayer board is drilled with a 4 mil diameter hole. The use of this on a flexible polyimide copper-plated substrate shows that there is no separation between the layers. Regarding the low-stress characteristics of UV lasers, there is another important point: improved yield data. Yield is the percentage of usable circuit boards that are removed from a panel.

Laser welding machine

During the manufacturing process, many situations can cause damage to the circuit board, including cracked solder joints, cracked components or delamination. Either factor will cause the circuit boards to be thrown into the waste bin instead of into the shipping bin on the production line. Use UV laser equipment to deal with this problem to a great extent! This is also the main reason for choosing it.


4: Ultraviolet laser marking machine is used in deep carving


       This package contains many forms. Using the software control of the laser system, the laser beam is set for controlled melting, that is, it can cut on a certain material according to the required depth, and can stop, continue and finish before turning to another depth and starting another task. Required processing. Various deep uses include: small production used when embedding chips and surface grinding to remove organic materials from metal surfaces. UV marking machine


The UV laser marking machine can also perform multi-step operations on the substrate. On the polyethylene material, first a groove with a depth of 2 mils is generated with a laser, the second step is to generate a groove with 8 mils on the basis of the previous step, and the third step is a groove with 10 mils. This shows the overall user control function provided by the UV laser system.


     The use of purple laser equipment on circuit boards has been approved and is currently one of the standard equipment in circuit board operation. In addition to the circuit board profession, it is also useful in other professions, such as the colorful light-transmitting buttons. For example: Apple mobile phones, IPAD, keyboard and mouse, mobile phone casings, mobile phone chargers, UV plastic casings, watches and so on. Both have excellent performance. I believe that with the continuous decline of prices, the spread of UV laser marking machines will become faster and faster!



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Shenzhen Chaomi Laser Technology Co., Ltd

Mobile: 158-2042-3006

Tel: 0755-36976853

E-mail: sz@cmlaser88.com

Add: 4th Floor, Building B, Zhonghengsheng High-tech Park, Xinyu Road, Xinqiao Street, Baoan District, Shenzhen

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