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A*Star, NTHU to develop flexible cable for HDD

Posted: 10 May 2012     Print Version  Bookmark and Share

Keywords:flexible cable  hard disc drive 

A*STAR's Data Storage Institute (DSI) has signed a collaboration agreement with Taiwan's National Tsing Hua University (NTHU) to pursue research on flexible cable which will be assembled into the world's first 5mm hybrid hard disc drive (HDD), targeted to launch at the end of the year.

As part of the agreement, both research partners will jointly develop a method to study the non-linear dynamic behaviours of flexible cable, quantify its effects on the TMR, as well as to integrate software codes developed from the project into DSI's HDD mechanical platform for system testing and evaluation.

"Hard disc drive manufacturers are constantly trying to push the limits of areal density to enable more information to be recorded on the device. In turn, this drives up the track density which places pressure on the track mis-registration (TMR). Adjustments have to be made on the TMR as read and write errors affect the accuracy of the data stored. If TMR becomes too large, stored data may be unreadable or cause data on subsequent tracks to be erased. Besides meeting the demand for high areal density, manufacturers also need to develop HDDs that are lightweight, thin, energy-efficient and robust for consumer usage."

The objective of the research is to develop a unique flexible cable design for HDD which is able to achieve extreme high track density.

"DSI is constantly trying to refine key hard disc drive components that can be incorporated into the iconic thin hybrid drive which is in the making. This agreement underscores DSI's commitment to developing high-value performance technologies suited for commercialisation and mass production," said Pantelis Alexopoulos, DSI's executive director.

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