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    AI Overview

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    AI Overview
    A 355nm laser with 3-5W power is
    a powerful UV laser known for its "cold" processing, generating minimal heat, making it perfect for high-precision marking, engraving, and cutting on sensitive materials like plastics, glass, ceramics, and electronics without causing damage or deformation. These lasers offer small spot sizes for fine detail, high resolution, and fast speeds, with options for air or water cooling, integrated designs, and various applications from PCB marking to medical device engraving. 
    Key Characteristics & Benefits 
    • Wavelength: 355nm (Ultraviolet).
    • Power: Available in 3W and 5W models, with the 5W allowing for deeper engraving or faster processing.
    • Processing: "Cold" processing (low heat) breaks chemical bonds directly, preventing thermal damage (yellowing, burns).
    • Precision: Small spot size, high resolution, ultra-fine marking (e.g., 10µm line width).
    • Applications: Marking/engraving PCBs, FPCs, glass, ceramics, plastics, medical devices, electronics, and cover films.
    • Design: Often integrated, dustproof, and moisture-resistant, with options for air or water cooling. 
    Why Choose 3W vs. 5W? 
    • 3W: Excellent for delicate materials like certain plastics and sensitive electronic components where minimal heat is critical.
    • 5W: Better for deeper engravings on metals, glass, and materials requiring more power, offering faster speeds. 
    Where to Find Them 
    • Manufacturers like JPT, Ray Fine Tech, MRJ-Laser, and Endurance Lasers offer these UV sources and integrated machines.
    • Available through major online marketplaces like Alibaba.com and AliExpress. 
    • MRJ-laser 355nm 3w 5w 8w UV Laser Marking Equipment ...
      UV laser engraving machine adopts UV laser generator, so there is no heating effects when engraving. Production Decription. 1. UV ...
      MRJ-laser·
    • SEAL 355-3/5 - JPT Laser
      The Seal-355-3SE & 5SE are newly upgraded models of ultraviolet solid-state lasers, featuring a monolithic structural design that ...
      JPT Laser
    • 355nm Wavelength UV Laser Marking Machine - Alibaba.com
      The advantages of UV lasers are that the marking temperature is low, the speed is fast, and it can be remotely controlled by a com...
      Alibaba.com
    Show all
    • MRJ-laser 355nm 3w 5w 8w UV Laser Marking Equipment ...
      UV laser engraving machine adopts UV laser generator, so there is no heating effects when engraving. Production Decription. 1. UV ...
      MRJ-laser·
    • SEAL 355-3/5 - JPT Laser
      The Seal-355-3SE & 5SE are newly upgraded models of ultraviolet solid-state lasers, featuring a monolithic structural design that ...
      JPT Laser
    • 355nm Wavelength UV Laser Marking Machine - Alibaba.com
      The advantages of UV lasers are that the marking temperature is low, the speed is fast, and it can be remotely controlled by a com...
      Alibaba.com
    • 3W 5W 355nm UV Laser Marking Machine for PCB FPC Glass ...
      3W 5W 355nm UV Laser Marking Machine for PCB FPC Glass Ceramic Plastic Printing Engraving. *Air cooling system. *No consumables. *
      Ray Fine Tech
    • 355nm 3W 5W UV Laser,UV Lasers And Green Lasers Solution
      May 17, 2023 — JPT UV Laser Seal Series 355nm, 3W, 5W Compare with IR laser, the UV laser process is direct break the object chemical...
      RFH Laser
    • 3W vs 5W UV Laser Marking Machine: What to choose?
      Aug 6, 2023 — The 5W machine's higher power allows it to achieve deeper engravings, making it ideal for applications requiring deeper...
      Lasers Only
    • DIGRAY UV Laser Source 3W & 5W High Quality 355nm ...
      The solid-state design ensures stable and consistent performance, ensuring that your projects are completed with precision and eff...
      AliExpress·
      0:57
    • Jpt 355nm 3w 5w Uv Laser Source for Laser Printing Plastic and Glass
      If you still can not learn how to use it, our technician can help you online. Or we can talk by phone, email or other contact ways...
      Alibaba.com
    • JPT Seal 355nm Laser Source 3W/5W for UV Laser Marking Machines
      About this product * Long-Lasting Performance: The JPT Seal -355-3SE / 3E /5SE /5E Laser Source boasts an impressive 1-year warran...
      Alibaba.com
    • Endurance 3 watt UV (355 nm) laser module – Endurance ...
      Endurance 3 watt UV (355 nm) laser module – Endurance Lasers. Endurance 3 watt UV (355 nm) laser module. Endurance Lasers. $12,900...
      Endurance Lasers·Endurance robots channel
      1:23
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    SEAL 355-3/5 - JPT Laser


    JPT Laser
    https://en.jptoe.com › products › lasers › dpss-lasers › se...
    JPT Laser
    https://en.jptoe.com › products › lasers › dpss-lasers › se...
    LARK 355-3/5. 3-5W. Laser marking on various plastics (PE, PET, etc.)；Solar cell scribing/dicing；Cutting of flexible/brittle materials · Seal-355-3SE.png ...Read more
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    • WaveTopSign 355nm 3W 5W Hand-held UV Laser Marking Machine Marking Ran.
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    • JPT SEAL 355nm 3W 5W UV Laser Source Water Cooled and Air Cooled Lase.
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    MRJ-laser 355nm 3w 5w 8w UV Laser Marking Equipment


    MRJ-Laser Technology
    https://www.mrj-lasermark.com › mrj-laser-532nm-uv-l...
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    1. UV laser engraving machine adopts UV laser generator; 2. The ultra-small focusing spot of 355nm UV light doesn't break the surface of glass.Read more

    3W 5W 355nm UV Laser Marking Machine for PCB FPC ...


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    *Air cooling system *No consumables *Double red light to find the focal length *UV laser has high marking accuracy than fiber laserRead more

    WaveTopSign 355nm 3W 5W Hand-held UV Laser ...


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    The WT8V series ultraviolet laser marking machine is developed using a 355nm ultraviolet laser, which has a high absorption rate of ultraviolet light and a ...Read more
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    3W ~ 5W UV Lasers


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    3W ~ 5W UV Lasers ; Wavelength, 355nm, 355nm ; Power Rate, 3W@30kHz, 5W@40kHz ; Single Pulse Power, 100μJ@30kHz, 125μJ@30kHz ; Pulse Frequency Rate, 20kHz ~ 100kHz ...Read more

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    MAINLY USED FOR ENGRAVING METAL AND NON-METAL MATERIALS, WOOD, LEATHER, ACRYLIC, FABRIC, PAPER. NEW FUNCTION K9 CRYSTAL 3D ENGRAVING.

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    DIGRAY UV Laser Source 3W & 5W High Quality 355nm ...


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    Endurance 3 watt UV (355 nm) laser module


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    Ultra accurate and clean laser marking using 3 watt 355 nm UV laser. Aluminum, steel, brass, copper & stainless steel laser marking with UV laser.Read more
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