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About Laser Engraving and Laser Marking Machines
Laser engraving and laser marking machines use a high-powered laser to mark or scribe materials with text, images, patterns, and graduations. Some products are used to mark conductive or non-conductive metals, plastics, glass, ceramics, or composite materials. Others are designed to mark integrated circuit (IC) chips, printed circuit boards (PCB), dies or semiconductor wafers. Laser engraving and laser marking machines for medical, military, and aerospace applications is also available. Laser scribing is a high-resolution marking process where the width of scribed lines is set to a specific tolerance. Each line consists of a series of small, closely spaced holes which are produced by laser energy pulses. Laser scribing is used to produce lines and characters of different fonts on semiconductors, ceramics, glass, wood, and other material surfaces. Laser engraving, another laser marking process, is used with polymers and specialized metal alloys.
Most laser engraving and laser marking machines use carbon dioxide (CO2) lasers; neodymium-doped, yttrium aluminum garnet (Nd:YAG) lasers; or diode lasers. Carbon dioxide (CO2) lasers use the energy-state transitions between the vibrational and rotational states of CO2 molecules to emit light at long infrared (IR) wavelengths. CO2 lasers can maintain continuous and very high levels of power, making them suitable for a variety of laser scribing and hot branding applications. Nd:YAG lasers can operate in pulsed or continuous modes and are used to mark steel and superalloys at power levels ranging from 1 to 5 kW. Laser engraving and laser marking machines with diode lasers or laser diodes use tiny chips of gallium arsenide or other exotic semiconductors to generate coherent light in a very small package.
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Engineering Web: Laser Engraving and Laser Marking Machines
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Laser Marking Systems by Ostling Technologies Laser Marking Home | Laser Marking | Yag Laser | Laser Marking Machines | Laser Markers | Laser Etching | Laser Engraving | Chemical Etching | Laser See O-T Marking Systems Information |
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Epilog Laser Engraver - Engraving Laser Cutting Marking... Laser Engraving, Cutting and Marking Systems Manufacturer of CO2 Laser Systems See Epilog Laser Corp. Profile & Catalog |
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Laser Marking, Laser Cutting & Laser Engraving Machines Laser Marking, Laser Cutting & Laser Engraving Machines for Your Application See Laser Photonics, LLC Information |
