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  • Lasers give the cutting edge
    'Mechanical drills required for holes of 100 micron diameter are extremely expensive and they wear out after only a few thousand holes,' says Malcolm Gower, chairman of Exitech, which has pioneered a new laser drilling solution. The technique, which Exitech is selling to the PCB industry, combines the capabilities of a Yag laser and a carbon dioxide laser (see box) to produce a high-speed, accurate and economical tool .
  • Microhole machining of silicon wafer in air and under deionized water by pulsed UV laser system
    Commercially available laser - drilling tools are currently use two laser types, that is, far-infrared CO2 lasers with a wave- length of 10.6 µm and solid-state UV lasers with a wave- length of 355 nm. In recent years, the trend toward smaller, lighter, and high-quality products photoelectronic industries such as electronic packaging via drilling, high-density in- terconnector print circuit board (HDI PCB ), and PV pro- ductions has increased considerably.
  • An automatic optical inspection of drill point defects for micro-drilling
    The machine drilling method, being more widely employed and relatively inexpensive, is better suited for drilling holes through thick multi-layer PCBs . However, the diameters of machine-drilled holes are bigger than those made using laser drilling. Hence, tool manufacturers have devoted much effort to producing micro-drills of finer diameter [3].
  • Excimer laser patterning of thick and thin films for high-density packaging
    PCB drilling tools using high speed scan optics and high repetition rate pulsed Nd:YAG lasers for vector processing and drilling of vias are also well developed E2q. ...laminate metal layers may be appropriate for prototyping PCB circuitry but is too slow for mass production .
  • Excimer laser micromachining of glass substrates
    Laser material processing is one of several tools commercially used for PCB manufacture which can produce accurate features below 150 µm. For conventional substrate materials (e.g. FR4), CO2 and Nd:YAG lasers are commonly used for the drilling of microvias as they can efficiently remove the polymer and glass fibres.
  • The effect of ambient conditions on thin wafers processed with fs-laser machining
    Micromachining based on laser has become important tools in the fields of mass production for modern-devices including multi-layered microelectronics, LED, solar voltaic cells, displays, multilayered PCB board and so on [1-5]. While conventional mechanical processes like diamond sawing, drilling , or scribing have come to their limitations in the...
  • Size effects in micro drilling of carbon fiber reinforced plastic composite
    Keywords Micro drilling �? Tool edge radius �? Specific cutting force �? CFRP �? Size effect ...nozzles, filters, flow measuring devices, ink jet printers, micro cannulas, printed circuit boards ( PCB ), cooling channels in... Micro-holes can be produced by laser beam drilling, ultrasonic drilling, electrochemical machining (ECM), electro discharge machining (EDM) and mechanical micro-drilling processes [1].
  • Scientific.Net: Materials Science
    Thin Laser Weld Seam Feature Extraction on Industrial Production Line Tool Breakage Feature Extraction in PCB Micro-Hole Drilling Using Vibration Signals .
  • Sub-microdrilling with ultrafast pulse laser interference
    ...application is in the drilling of microvias in printed circuit boards/printed wire boards ( PCB /PWB) and IC... Currently, laser - drilled vias range from 100 to 200 µm in diameter, with some speciality items requiring vias down to 25 µm in diameter [1]. Among the most widely known applications is the production of ink-jet printer nozzles. ...delivery systems, micro heat-pipes and heat exchangers, fuel injectors, chemical- reactor networks, and chemical-analysis tools .
  • LPKF Launches New Laser Structuring System For Producing RF, Microwave PCBs
    This system combines the milling, drilling , and contour routing capabilities of an advanced LPKF ProtoMat PCB plotter with the accuracy and precision of laser processing. The ProtoLaser 100 is ideal for producing RF and microwave boards on a variety of materials from... Plotter milling tools are changed automatically, so the system can operate unattended.
  • LPKF Launches New Laser Structuring System For Producing RF, Microwave PCBs
    This system combines the milling, drilling , and contour routing capabilities of an advanced LPKF ProtoMat PCB plotter with the accuracy and precision of laser processing. The ProtoLaser 100 is ideal for producing RF and microwave boards on a variety of materials from... Plotter milling tools are changed automatically, so the system can operate unattended.
  • Microvias: For Low Cost, High Density Interconnects > Microvias by Photoimaging
    The precise patterning capability offered by thermal direct imaging (TDI) may, in some cases, become an enabling capability for HDI PCB manufacturers; higher density and more complex parts can be accepted for production , thus enabling fabricators to shift a higher percentage of... It utilizes “best-fit�? registration of the imaged pattern to the drilled microvia holes on each individual... LDI also may be used for CO 2 laser drilling conformal mask generation. It is also a high-capability patterning tool for demanding controlled-impedance applications.
  • CR4 - Thread: CAM Program for Hitachi Laser Drilling Machine on PCB
    Re: CAM Program for Hitachi Laser Drilling Machine on PCB ...am a DEM (Do Everything My selves) fan and create my own optimizations and even tool paths. With Pascal and now Delphi (or anything) I calculate, sort and produces a tool path which can...
  • Industrial applications of laser micromachining
    • R. S. Patel, T. F. Redmond, C. Tessler, D. Tudryn and D. Pulaski, "Via production benefits from excimer laser tools ," Laser Focus World (Jan 1996). With fewer process steps than other methods, laser- drilling is regarded as the most versatile, ro... • H. Holden, "Microvia PCB 's:the next generation of substrates & packages," Future Circuits International...
  • Industrial applications of pulsed lasers to materials microprocessing
    ...to volume production when the Nixdorf computer plant of Siemens introduced polyimide ablative drilling of 8Oim diameter... ...mainframe computer manufacturers such as IBM rapidly followed suite and installed their own production lines for this... With fewer process steps than other methods, laser -drilling is regarded as the most versatile, robust, reliable... (a) Nd:YAG & CO2 hybrid laser tool for microvia drilling.1OOm blind via in a PCB .