Murata’s hybrid ceramic & quartz crystal resonator

17 JUNE 2009

Murata and Tokyo Denpa have jointly developed a hybrid crystal and ceramic resonator. The XRCGA series of Hybrid Crystal Resonators (HCRs) features a quartz crystal element manufactured by Tokyo Denpa alongside Murata’s ceramic resonator technology in the same package. Murata’s production technology results in smaller and lower cost devices that maintain the precision offered by the quartz crystal.
Murata originally developed its ceramic resonator technology, called CERALOCK®, in 1977. Today, CERALOCK® resonators are widely used in consumer electronics for resonating CPU clock signals. This type of ceramic resonator is small and inexpensive. However, the adoption of SATA and USB has accelerated the transfer speed for the PC interface, so resonators used for today’s High Speed Peripherals require higher precision than ceramic resonators can provide. To respond to market demands for high precision, small package, low cost resonators for USB applications, Murata has combined Tokyo Denpa’s high quality quartz crystal element with its ceramic resonator and production technology to develop the hybrid resonator. In addition to CERALOCK’s® stronghold in automotive and consumer applications, Murata now aims to expand its share in the consumer market where relatively high precision is required such as HDD, USB, SSD.

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