mannerisms

Ruminations on the electronics industry from David Manners, Senior Components Editor on Electronics Weekly.

Toshiba To Build 3-D Stacked NAND Fab

Toshiba Is to demolish the No. 2 semiconductor fabrication facility (Fab 2) at Yokkaichi Operations, the company’s NAND Flash memory plant in Mie prefecture, Japan, and replace it with a new fab on the same site.

Toshiba has entered into a non-binding memorandum of understanding with SanDisk  to invest jointly in the new facility.

The primary purpose of the new wafer fab is to secure space for converting existing Toshiba and SanDisk 2D NAND capacity to 3D NAND beginning in 2016.

Demolition work on the current Fab 2 will start in May with construction beginning in September 2014, with a target completion date of Summer 2015.

The clean room within the new fab will be built in phases to align the clean room investment with the timing of conversion of 2D NAND capacity to 3D NAND.

Construction of the initial cleanroom will be complete in time for 2016 output. Decisions on capacity conversion ramp and equipment investment, the start of production, and production levels in the new fab will reflect market trends.

The new fab will provide a supplementary facility for processes mainly dedicated to 3D NAND memory production, and work in close cooperation with Yokkaichi’s other facilities.

Toshiba and SanDisk will support 3D memory production with leading-edge manufacturing equipment for lithography, deposition and etching through joint ventures.

“Our determination to develop advanced technologies underlines our commitment to respond to continued demand of NAND flash memory. We are confident that our joint venture with SanDisk will allow us to produce cost competitive next generation memories at Yokkaichi,” says Toshiba Semiconductor CEO Yasuo Naruke.

The new fab will have a quake absorbing structure and an environmentally friendly design that includes LED lighting throughout the building. It will also be equipped with the latest energy saving manufacturing equipment, which will secure productivity advances while lowering power consumption.

Highly efficient use of waste heat will help to lower fuel consumption and cut CO2 emissions by 15% compared to Fab 5, currently the most advanced fab on the Yokkaichi site.

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