About

The engineer behind the mixtures.

DLCS LLC makes cryogenic gas mixtures and services cooling systems. It was founded in 2021 by Sam Spektor, longtime gas mixture engineer at MMR Technologies.

Founder

Sam Spektor

Sam has worked in cryogenic cooling since 1996. At MMR Technologies he worked with founder Dr. William A. Little on its products and inventions. From 1997 he led MMR research on gas mixtures.

Education
MS, Mechanical Engineering, Kyiv Polytechnic Institute (now Igor Sikorsky Kyiv Polytechnic Institute). Specialty in gases.
Experience
MMR Technologies, 1996 until it closed
Patents
US 7,452,406, co-inventor

Track record

  1. 1996

    Joins MMR Technologies as a cryocooler engineer. Works with founder Dr. William A. Little.

  2. 1997

    Takes the lead on MMR research into new gas mixtures and mixing processes.

  3. 2001

    Cryocooler and gas mixture for ORTEC germanium detector crystals. ORTEC is now part of AMETEK.

  4. 2005

    Files a patent with Dr. Little for removing water and CO₂ from gas mixtures. Granted as US 7,452,406.

  5. 2006

    The eLan2 liquid nitrogen generator, which he co-developed, wins an R&D 100 Award.

  6. 2009

    Starts work with SLAC on the LSST camera’s -130 °C mixed refrigerant cooling system.

  7. 2021

    Founds DLCS LLC. MMR Technologies closes after four decades.

Selected work at MMR

SLAC

Ten-component refrigerant mix for the LSST camera cooling system

ORTEC (now AMETEK)

Cryocooler and gas mixture for germanium detectors

Advantest and IBM

Gas mixtures for refrigeration systems

MMR eLan2

Liquid nitrogen generator, R&D 100 Award

Sam has been a key figure in our entire organization. When given a responsibility he took it, and we could be sure the job would be well done.
Dr. William A. Little · Founder, MMR Technologies

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