Laser Beam Web Processing Systems

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• Laser Diffraction
  The technique of laser diffraction relies on the fact that particles passing through a laser beam scatter light at an angle that is inversely proportional to their size (small particles scatter light at high angles whereas large particles scatter light at low angles). It is therefore possible...
• Laser Drilling Tablets for Use in Osmotic and Other Novel Drug Delivery Systems
  geometries, such as characters or graphics, although rates may be affected. While the multiple pulse method increases the complexity of the laser beam delivery system, it enables a given processing task to be performed using about three to four times less laser power than in the single pulse case...
• Laser Staking Securely Joins Plastic Parts for Printed-Circuit Boards
  as laser plastic welding. A material transparent to the laser beam is joined to a material which absorbs the laser energy. The absorbed energy is transmitted as heat through the absorbing material and melts both the absorber and the transparent layer through conduction. The technique is sometimes referred...
• Featured Application: Laser Marking and Cutting Decorative Cards
  vapor and debris away from the focusing lens when cutting with a marking head). For applications where a thin material must be both cut and marked, marking heads are considerably faster than laser engravers or XY tables, because marking heads use galvanometers to quickly steer and redirect the beam...
• New 7500 Series FiberStar Workstations Extend the Capabilities of Fiber Laser Micro-Welding Applications
  . FiberStar Workstations can be demonstrated in any of Crafford-LaserStar's national applications. For all of the typical laser materials processing applications there is an. centers in the USA (Rhode Island, Florida, Texas and California) and will be available internationally. almost universal...
• University of Waterloo Skip to the content of the web site.
  of improving laser technology," he recalls, "so I began applying some of my basic research to improving laser materials processing used in industry.". This eventually led him to form a new Canadian company, Powerlasers Ltd., which has participated in the growth of the laser industry. For the past two...
• MICRO: Using an in-line measurement system for copper damascene process control
  of the stack sublayer topography and provides data on only the layer of interest. Surface Profiling. The measurement system's SP capability is based on classical and well-characterized interferometric technologies. To initiate the process, the tool's short-wavelength laser beam is split into orthogonal...
• MICRO:Behind the Mask
  shifted from the use of E-beam writing technologies to higher-speed, higher-productivity laser writing technologies. While the latter have appreciably increased the throughput rates at which quality masks can be created, they have also introduced AMC issues that manufacturers and users of mask...
• Product Technology News
  NovaLine excimer lasers feature a metal/ceramic laser tube that does not require cryogenic cooling and a solid-state halogen generator that eliminates the storage and handling of noxious gases. An internal computer provides diagnostic information. Suitable for use in sub-0.25-um wafer processing...
• MICRO:New Technologies-Analysis & Metrology, by Patrick J. McCann, p.93 (July '99)
  molecular measurements can help increase yields. Instruments based on mid-IR laser technology are compatible with most semiconductor processing equipment. They can simultaneously measure multiple molecular compounds and perform reliable molecular measurements in corrosive environments. This article...

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