Ultrabook stimulates 4mm micro fan demand
Acer's second-generation Ultrabook-S5, reportedly using the latest 4mm micro fans for cooling, and 2nd generation Ultrabook makers including HP, Lenovo, Dell, and LG Electronics all expressed interest in adopting the 2nd generation of Ultrabooks. The 2nd generation Ultrabook will begin shipping in the second half of this year. Sources pointed out that 4 mm is the thinnest micro-fan that can be produced by current technology. The original intention was to enter the mobile phone market. However, since the fan noise is not suitable for mobile phones, micro-fans are now entering the Ultrabook market.
Currently, most existing Ultrabooks use a 5.5 mm or 7 mm fan. The Acer S5 is the only Ultrabook that already uses a 4 mm micro fan. The standard fan is usually priced between $1.15-1.20, while the miniature fan price can reach $1.60-1.70.
The electrolyte material inside the electrolytic capacitor, which has charge storage, is divided into positive and negative polarity, similar to the battery, and cannot be connected backwards.A metal substrate having an oxide film attached to a positive electrode and a negative electrode connected to an electrolyte (solid and non-solid) through a metal plate.
Nonpolar (dual polarity) electrolytic capacitor adopts double oxide film structure, similar to the two polar electrolytic capacitor after two connected to the cathode, the two electrodes of two metal plates respectively (both with oxide film), two groups of oxide film as the electrolyte in the middle.Polar electrolytic capacitors usually play the role of power filter, decoupling (like u), signal coupling, time constant setting and dc isolation in power circuit, medium frequency and low frequency circuit.Non-polar electrolytic capacitors are usually used in audio frequency divider circuit, television S correction circuit and starting circuit of single-phase motor.
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