Job opening

Check out the Jobs section for a new job opening for a junior vibration and acoustic engineer in Billerica MA, USA.

Chrysler’s Durango 2004 has new noise control products

Chrysler Group has launched the Durango 2004 model that has new noise control products in the body.
PUR foam is a patented noise suppression adhesive that is injected into the body of the vehicle to minimize noise, vibration and harshness (NVH). The second technology, Liquid Applied Sound Deadener system (LASD) is an underbody system that applies a liquid compound to the vehicle’s floor pan and helps reduce noise inside the vehicle.

Read more on the Daimler Chrysler web site.

NRC starts construction of Nanotechnology Building

Canada’s National Research Council has started construction for the new National Institute for Nanotechnology (NINT). The laboratory’s environment will have ultra-low vibration and minimal acoustical noise and electro-magnetic interference.

Read more on the NRC web site.

Eurocopter EC255 has an active vibration control system

Eurocopter’s latest development the EC225 joins their Super Puma family of helicopters. The new helicopter has lower cabin noise than the Super Pumas by about 3dB. In addition, an active vibration control system reduces vibration levels to about 0.08g.

Read the news article on the Rotor Hub web site.

Read more about the EC225 on the Eurocopter web site.

Sonion make MEMS microphones

Sonion manufacture two types of microphones using MEMS technology. One is for mobile devices such as PDAs and mobile telephones, the other is for hearing aids. These microphones are *small* – 3mm^3.

Read more on the Sonion web site.