APITech Announces New Cryo Attenuators to Support the Global Quantum Computing Market News provided by Share this article Share this article ANN ARBOR, Mich., June 1, 2021 /PRNewswire/ -- APITech (API Technologies Corp.) announced the launch of their new line of cryo attenuators. Optimized for cryogenic refrigeration systems used in quantum computing installations, APITech's proprietary thin film cryo attenuators are available in frequency ranges from DC to 40 GHz, and with 2.92mm, SMA, and SMPM connectors. "Our new cryo attenuators have been tested to four milliKelvin," said APITech's Norm Hansen, Product Line Director. "Using our in-house resistor fabrication process, we are able to optimize the resistor material and substrate, as well as the mechanical design needed to deliver a thermally quiet attenuator solution that works at cryo temperatures."