Our research and design work is supported by an excellent machine shop and fabrication lab. We specialize in prototyping and short run production of tight tolerance and complex parts for the science industry.

Please contact us at quotes@limnresearch.com for inquiries relating to machining or contract manufacturing.

Our capabilities include the following:

Machining

  • 4-axis milling, including micro-machining

    Maximum work envelope 700mm x 400mm x 300mm

  • Turning, including small diameter machining under microscope

    Maximum work envelope Ø225mm x 450mm

  • Surface grinding, including form grinding

    Maximum work envelope 150mm x 300mm x 150mm

  • Automated lapping

    Maximum work envelope Ø250mm x 5kg

Inspection

  • Mitutoyo + Heidenhain coordinate measuring machine

  • Nikon profilometer and surface comparator w 100x zoom lens

  • AA-grade granite surface plates

  • Mitutoyo LVDT probes and amplifiers for sub-micron measurement

  • Optical flats and single-wavelength light source for flatness and surface figure measurement

  • Range of metric and inch ring, plug, block, and thread gages traceable to NIST.

  • Range of micrometers, bore gages, and traditional machinist’s metrology equipment traceable to NIST.

Materials processing

  • Programmable heat treatment of metals

  • Programmable tempering and stress relieving

  • Programmable vacuum chamber + vacuum oven

  • Silicone and composite casting

  • Laser marking and engraving

  • Surface preparation and abrasive blasting

  • Pickling, passivation, and black oxiding

  • We outsource all coating such as anodizing, ceramic coating, powder coating or plating.

Fabrication

  • TIG welding and brazing, including of exotics

  • Brazing / hard soldering

  • Small/precision sheet metal work

  • Rotary and linear broaching.

  • Precision forming and stamping

  • Hand work with die stones, air- and electric-powered die grinders, diamond films and files, laps, and hand scraping.

Assembly

  • Range of torque wrenches and screwdrivers traceable to NIST.

  • Assembly microscope and vacuum-operated probing stage for micron-accurate assembly and inspection

  • Dedicated clean space with assembly-only tools.

Electronics

  • ESD-safe work area with ESD-protected components and equipment storage.

  • Range of electronic bench test equipment including oscilloscopes, function generators, bench meters, load meters, power supplies, and so on.

  • Range of PC-connected electronic equipment including logic analyzer, DAQ, and oscilloscope.

  • Soldering oven and heating plates.

  • Reflow and traditional soldering stations.