Thursday, December 4, 2014

Altatech introduces new Fast ALD Technology

As reported by Soitec - Altatech : Altatech, a division of Soitec, has introduced the AltaCVD 3D Memory Cell(TM), a new member of its AltaCVD product line designed to deposit ultra-thin semiconductor films that enable the manufacturing of high-density, low-power memory ICs used throughout mobile electronics. The new system performs atomic-layer deposition 10 times faster than conventional ALDsystems, helping to meet global market demands for both high-volume production and cost efficiency in fabricating advanced memories.

"The performance of today's pervasive mobile devices, which many of us now take for granted, would not be possible without atomic-layer deposition technology, such as enabled by our newest CVD solution," said Jean-Luc Delcarri, general manager of Soitec's Altatech Division.

As the global semiconductor industry turns to 3D device architectures to increase memory capacity and boost IC performance for mobile applications, advanced material deposition is needed to create atomic-layer films with high uniformity and stoichiometry control. Altatech's AltaCVD 3D Memory Cell can deposit the needed layers of chalcogenide materials by using a combination of precursors.

In addition to working with conventional gaseous or solid precursors, Altatech's new tool uses patented pulsed technology to take advantage of advanced CVD precursors that are available only in liquid form. This versatility allows the system to achieve exceptional step coverage over features with very high aspect ratios, a key performance requirement in creating the vertical integration that enables high-density memory circuits.

The AltaCVD 3D Memory Cell also can perform advanced pre-treatment of semiconductor surfaces to improve circuit functionality as well as post-treatment of surfaces to enhance memory cells' electrical performance.

Designed to process 200-mm or 300-mm substrates, the AltaCVD 3D Memory Cell uses a single-wafer, multi-chamber architecture to deliver both single-wafer process control and volume-manufacturing capability.

The system is currently demonstrating its unique capabilities and performance at one of Altatech's key customers and production units are available.

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