| 摘要 |
A dielectric filter includes a dielectric block having through bores running from an end face to the opposite face thereof and grooves arranged between adjacent through bores on a side thereof. The opposite side of the dielectric filter is uniformly flat and free of grooves so that the dielectric block may be suspended, moved and easily mounted on a printed-circuit board by means of a suction pad having a large effective sucking area.
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