| http://www.w3.org/ns/prov#value | - EL SEGUNDO, USA: Disruptions spurred by the Japan earthquake and tsunami caused shipments of crystals to be delayed by four weeks in April compared to March, impacting the supply of a critical component employed in products including cell phones and PCs, new IHS iSuppli research indicates.The average lead time for megahertz and kilohertz crystals rose to 12 weeks in April, up 50 percent from eight
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