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Published online 25 September 2009 | Nature | doi:10.1038/news.2009.951
News: Briefing
Melting memory chips in mass production
Phase-change memory's 40-year journey from bright idea to mobile phone.
South Korean manufacturer Samsung Electronics announced this week that it has begun mass production of a new kind of memory chip that stores information by melting and freezing tiny crystals. Known as phase-change memory (PCM), the idea was first proposed by physicists in the 1960s.
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