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August 2007 [Materials] BeO Takes The Heat In RF Transistor Packages Power-transistor packaging is not immune to the cost pressures facing commercial RF and microwave markets. RF power-transistor suppliers have long sought alternative materials to traditional insulating materials such as ceramics, including BeO. But the superior characteristics of BeO continue to make it the material of choice at the highest power levels at frequencies up to 4 GHz, especially in demanding military and aerospace pulsed power applications. BeO... |
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