Yield problems with Hynix Semiconductor's 66nm production are said to have resulted in 30 million defective 1Gb DDR2 chips, translating to about 10% to its output, according to industry sources at downstream players. Hynix refuted the reported issues but declined further comment.
Hynix started introducing its DRAM on 66nm in the fourth quarter of 2007, but yields are failing expectations. The sources revealed that the company was recently hit by a loss of about 10% of its monthly output as a batch of 30 million 1Gb DDR2 chips were found to be defective. Amid the yields issue, Hynix is unable to fulfill its obligations to contract customers, the sources added noting that the recent announcement of price rises by rivals Elpida Memory and Samsung Electronics are the result of the production issue at Hynix.
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