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Polymer Machining with Femtosecond Lasers

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Polymers and their polyimide subset are common in high tech manufacturing because they are mechanically stable, are good electrical insulators, and are inert. They are often used as:

  • Printed circuit boards (PCBs),
  • Substrates …
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Eliminating the Heat-Affected Zone

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Eliminating the Heat-Affected Zone

Heat is energy transfer from one location to others. How much and how quickly the energy is transferred is determined by the material’s properties: thermal conductivity, heat diffusivity, etc. Generally, metals h…

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What Does Cold Ablation Really Mean?

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The ablation process is the underlying mechanism for laser machining. Conventional pulsed-laser machining techniques dissociate matter at atomic and molecular levels via the deposition of laser radiation. The absorbed laser energy is transferred to t…

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Benefits of FCPA Glass Welding

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Chirped pulse amplification (CPA) is a Nobel-prize winning technology that was first developed in the 1980s, but it was not acknowledged by the Nobel committee until 2018. Almost forty years have been spent commercializing this technology, and it now…

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