Product Announcement from IRD Glass

Glass Tubes-Image

IRD manufactures many different sizes and shapes of technical glass and optical components using many varied and unique grinding techniques to hold precise dimensional tolerances and surface finish requirements.

For the pressure transducer sensor industry, IRD currently manufactures many different sizes and shapes of glass tubes and pedestals and other applications. Most of the tubes are made using 33 expansion borosilicate glass designed to closely match the thermal expansion of silicon. The tubes are precision ground with the ends lapped and polished flat on the ends for bonding purposes. The tubes, produced in volumes approaching ½ million per year, are controlled to tight length tolerances, polished on the ends to better than .000004" flat, and fire polished on one end to radius the sharp edge, and maintained to a very tight scratch and dig tolerance. They have also provided custom designed thin-film metalization on tubes for this industry, along with precision rods used primarily as tooling, spacers or masks in many diverse applications.

Please reference the IRD Glass website for other typical and best tolerances for some standard operations.

For additional information please visit our website at or call us at (320) 693-7217

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