New TP-S30 thermal interface pads from MH&W International provide 3.0 W/mK of thermal conductivity between hot components and heat sinks at lower costs than competing gap filler materials. Pads of TP-S30 thermal gap fillers are soft and compliant for easy compression and filling of air gaps between mounting surfaces to optimize heat transfer. Applications for these gap … [Read more...]
Ultra-Thin Waterproof Piezoelectric Speaker
Murata Electronics North America recently launched an ultra-thin waterproof piezoelectric speaker. With a thickness of only 0.9mm, this 19.5mm x 14.1mm speaker enables greater design freedom for the rapidly growing and evolving mobile market. The speaker achieves IPX7 grade waterproof protection without the need of a waterproof acoustic membrane. Using acoustic mesh and … [Read more...]
Influence of Motor Supports on Cooling Performance of Small Scale Fans
Ed J. Walsh, Jason Stafford & Vanessa Egan Stokes Research Institute, Dept. of Mechanical and Aeronautical Engineering, University of Limerick INTRODUCTION Today’s marketplace consists of many portable computing devices such as personal digital assistants and smart phones. Currently over one billion handset type units are shipped every year. The functionality and power … [Read more...]
Apple Gets Patent on Method of Cooling Electronic Devices
Apple Inc., maker of the iPhone and the iPad, received a patent on a method of cooling an electronic device by using hinge assemblies that can conduct heat. Patent 7,746,631, which was issued June 29, covers the use of a variety of cooling components within a hinge assembly. According to the patent, these could include fans, heat sinks, heat spreaders, heat pipes, vents or … [Read more...]
High-Accuracy 2.25 V Digital Temperature Sensor with Dual Alarm
STMicroelectronics has announced a super-small and power-efficient temperature sensor allowing portable devices to benefit from features such as intelligent thermal protection. ST’s new STTS751 Digital Temperature Sensor (DTS) is mounted on the circuit board to feedback accurate temperature data allowing the system to manage its temperature, for example, by activating a … [Read more...]