This February, the sales of DRAM memory chips, a type used extensively in PCs, rose by nearly 24% compared with the previous month, as prices continued to rise.

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This upper tier of critical applications is the type that require the faster SSD storage, and DRAM is the highest performing SSD storage.

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Four months after he joined Toshiba in 1971, Masuoka, who had just received a doctorate from Tohoku University, invented a type of memory known as SAMOS. After five years at Toshiba, he invented another type and was moved to the semiconductor production division, where he developed a 1-megabit DRAM.

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