Japanese company announced that newly developed holographic storage disc single die capacity has reached the traditional DVD 200 times.

日本一家公司宣布，最新研制的全息存储光盘的单牒容量已经达到传统DVD的200倍。

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Unlike DVDs, which store data in thin layers just beneath the surface of the disc, holographic storage encodes information in three dimensions, within the volume of the disc.

不像dvd盘那样把数据存储到磁盘表面下的薄层中，全息存储技术在磁盘容量内以三纬形式对信息进行编码。

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At one end it has a disc 8 millimetres wide, which holds the holographic film, tilted at an Angle.

在它的一端有一个直径为八毫米的圆盘。这个圆盘可以固定全息胶片，并呈一定角度的倾斜。

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This is possible using libraries in which special robots load cassettes into tape drives when required, but a holographic disc would be much quicker.

ECONOMIST: Computing

InPhase is testing its first holographic disc-drive, called the Tapestry 900, in conjunction with partners such as Ikegami Tsushinki, a Japanese firm which makes video cameras for the television industry.

ECONOMIST: Computing