Keywords
Citation
(1999), "Fully calibrated and the world's smallest accelerometer in a miniature SMD package affords novel features", Sensor Review, Vol. 19 No. 2. https://doi.org/10.1108/sr.1999.08719baf.005
Publisher
:Emerald Group Publishing Limited
Copyright © 1999, MCB UP Limited
Fully calibrated and the world's smallest accelerometer in a miniature SMD package affords novel features
Fully calibrated and the world's smallest accelerometer in a miniature SMD package affords novel features
Keyword Acceleration
These low cost piezoresistive accelerometers from EG&G ICSensors comprise a silicon chip presented as a discrete component in what is claimed the world's smallest SMD package taking only 0.25cm3 volume and weighing just 0.3grms. Designated the Model 3031 they are supplied from ±500g down to ±2g with frequency response to suit from 2.4kHz down to dc (see Plate 4).
Plate 4 The world's smallest accelerometer in a miniature SMD package
Available in the UK and mainland Europe from EuroSensor, these minute silicon devices consist of a micro-machined seismic mass, that is suspended by multiple beams to a silicon frame, allowing the use of surface mount packaging with a 7.6mm2 base and a height of only 3.5mm. Silicon caps provide over-range stops, and there is built-in air-damping at 0.7 nominal damping factor, +0.2 per cent(typ.) linearity (hysteresis included) and an operating temperature range from 40 to +125°C.
A novel feature of these tiny "Accels" is, that they now come with their own data printout, containing temperature-compensation values, calibration data and a frequency response plot unique for such a minuscule SMD component.
Industrial application areas cover: vibration, shock, acceleration and deceleration, GPS and attitude controls, automotive and sensing systems along with use in dual-axis and tri-axis assemblies. Other areas include military scenarios, i.e. arming, fusing and guidance as well as impact detection. Railway applications include axle and bogie surveillance.
For further information contact either Mr Henry Schuster, managing director, or Miss Suzanne Lee, Sales Department, EUROSENSOR, 20/24 Kirby Street, London EC 1N 8TS. Tel: +44 (0)171 405 6060.