Nano Microphone – Extremely Small Scale Pressure Transducer
Microphones and related devices are nowadays used in a
wide variety of industrial applications. They look back on a long history from carbon microphones invented in the late 1870th to modern electret microphones. Ongoing developments are aimed at MEMS devices, which integrate transducers together with frontend circuitry in silicon. As observable in other fields of technology the history of microphones is in particular a history of proceeding miniaturization. From a few inches of carbon microphone diameter the sizes decreased to some ten or hundred microns within less more than a century. For a producer who wants to keep his competitiveness it is essential to possess a base technology which can anticipate the next major step of downsizing. The Department of Supramolecular Systems, Surfaces and Clusters of the University of Bielefeld recently provided such a fundamental innovation. The resulting transducer diaphragms are made from cross linked self assembled organic monolayers. They facilitate the production of robust microphones with some hundred nanometers in diameter. The diaphragm thickness can be reduced down to only one nanometer. Hereby all production steps are compatible to established semiconductor production techniques.
Further Information: PDF
PROvendis GmbH
Phone: +49 (0)208/94105 10
Contact
Dipl.-Ing. Alfred Schillert
Media Contact
All latest news from the category: Technology Offerings
Newest articles
High-energy-density aqueous battery based on halogen multi-electron transfer
Traditional non-aqueous lithium-ion batteries have a high energy density, but their safety is compromised due to the flammable organic electrolytes they utilize. Aqueous batteries use water as the solvent for…
First-ever combined heart pump and pig kidney transplant
…gives new hope to patient with terminal illness. Surgeons at NYU Langone Health performed the first-ever combined mechanical heart pump and gene-edited pig kidney transplant surgery in a 54-year-old woman…
Biophysics: Testing how well biomarkers work
LMU researchers have developed a method to determine how reliably target proteins can be labeled using super-resolution fluorescence microscopy. Modern microscopy techniques make it possible to examine the inner workings…