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Laser drilling of micro-holes in single crystal silicon, indium phosphide and indium antimonide using a continuous wave (CW) 1070 nm fibre laser
Apr 19 , 2021
The laser micro-drilling of “thru” holes, also known as via holes, in Si, InP and InSb semiconductor wafers was studied using millisecond pulse lengths from an IPG Laser Model YLR-2000 CW multimode 2 kW Ytterbium Fibre Laser and a JK400 (400 W) fibre laser, both with 1070 nm wavelength. The flexibility of this laser wavelength and simple pulsing scheme were demonstrated for semiconduct...
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Method for testing for blind hole formed in wafer layer
Apr 19 , 2021
A new method for detecting blind holes in the contact layer of a multi-chip semiconductor test wafer makes use of the fact that if the hole is not a blind hole, a subsequent etch step extends the hole a predetermined distance into the layer immediately underlying the contact layer. After a predetermined number of holes have been etched through the contact layer and for a predetermined distance int...
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Laser drilling of thin metals
Apr 16 , 2021
Metal drilling is an important application to many industries including automotive, aerospace, medical device manufacturing, electronics, and semiconductor manufacturing. The need to drill precise holes with minimal extra effect to the metal part is critical to producing quality products. Laser drilling has become a popular solution for metal processing due to its non-contact nature and minimal he...
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S9 ultraviolet laser is especially suitable for PE film coding, with high light stability
Apr 16 , 2021
S9 ultraviolet laser is especially suitable for PE film coding, with high light stability PE film has a density of about 0.92g/cm3, good heat-sealability, waterproof and moisture-proof; low tensile strength, high tensile elongation, easy to wrinkle, and more easily deformed when heated. Therefore, when drying, the surface temperature of the film should not be too high (within 55 degrees). P...
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Fast, flexible laser marking for pharmaceutical tablets
Apr 15 , 2021
As pharmaceutical manufacturing continues to evolve, you need tools that are readily adaptable and easy to implement. Your tablet marking systems must be able to change information quickly—adjusting to multiple shapes and sizes without halting production. Ink marking methods can smear, make contact with the tablet and require regular maintenance—adding extra steps to your manufa...
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Laser marking of steel, stainless, titanium, aluminum and more
Apr 15 , 2021
Many metal materials require permanent, durable and legible marks to improve traceability, quality control and personalization. Laser metal marking meets this manufacturing demand by offering many advantages over traditional marking techniques. Our laser solutions use a variety of laser wavelengths to leave permanent marks on almost any type of metal, including aluminum, brass, carbide, chr...
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UV Laser marking of light- and dark-colored plastics
Apr 15 , 2021
UV Laser marking of light- and dark-colored plastics lastic laser marking offers several advantages over competing technologies like superior mark quality and lower cost of ownership. Advantages include: Permanence. With plastic laser marking, the material itself becomes the mark—improving the mark’s durability compared to ink marks or labels. Quality. Lasers have high im...
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Laser metal welding offers many advantages compared to traditional welding methods
Apr 14 , 2021
Laser metal welding offers many advantages compared to traditional welding methods ADVANTAGES Laser metal welding offers many advantages compared to traditional welding methods, including: Non-contact. Laser welding reduces stress on metal pieces. Heat input is also minimal due to the laser’s precise, uniform pulse energy. Seam quality. Laser welding produces extremely strong welds and even ...
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Plastic Laser welding places less stress on weld pieces
Apr 14 , 2021
Laser welding places less stress on weld pieces ADVANTAGES Seam quality. Lasers achieve excellent weld seam structure with no secondary finishing required. Non-contact. Laser welding places less stress on weld pieces. It also eliminates tooling replacements due to wear and tear. Cleanliness. Lasers don’t require filler materials or additives and leave virtually no debris. Precision. A ...
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Clean, precise laser welding, marking, drilling and cutting for MDM applications
Apr 14 , 2021
MEDICAL DEVICE LASER APPLICATIONS Our Application Lab has a full suite of lasers and optics to provide you with the mark quality and accuracy demanded in the Medical Industry. The use of the ultrafast picosecond lasers provides a dark durable mark that will stand up to the environmental testing required for medical instruments. Since there are so many devices used in the Medical industry, catheter...
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