Xi’an

Samsung Power Glitch – Is It Important?

3D NANDOn Saturday, June 18, Samsung’s Xian fab, the only facility in the world currently producing 3D NAND flash, suffered a power failure.  How much of a problem is this?

The answer really depends upon who you ask.  An article in the Financial Express quoted Samsung as saying that it would have a minimal impact, and that full-scale operations should resume in a few days.  The article also said that Samsung estimated that the wafer loss would be below 10,000 wafers.

Assuming that the entire loss consisted of Samsung’s most advanced 48-layer 256Gb 3D NAND a 10,000-wafer loss would be less than 1% of total industry gigabyte shipments.

Korea Times quoted an anonymous fund manager who said: “The one-time incident will cost Samsung up to 20 billion won, which is very minimal.  It won’t make heavy impact on Samsung’s chip business and the entire industry.”

According to Korean news source Chosenilbo the outage was caused by Continue reading

Samsung Begins Operations at its Xi’an Fab

Samsung's Xi'an, China fabSamsung has announced that the company’s newest memory fabrication plant (Fab) in Xi’an, China has “begun full-scale production operations”, adding that: “The new facility will manufacture Samsung’s advanced NAND flash memory chips: 3D V-NAND.”

I immediately asked whether the plant will build products other than 3D NAND, and the company has replied that this will be the only product produced in the Xi’an plant.  What Samsung has not said is what is meant by “full-scale production operations.”  Typically wafer fabs start with a very low production capacity as new tools are being qualified, only ramping to high-volume production a year or more after initial production.

Samsung points out that production has begun a mere 20 months after initial groundbreaking, which is quite Continue reading

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