| 摘要 |
An adapter for high frequency signal transmission includes in one embodiment a cylinder having a staged bore; a central transmission rod including an intermediate toothed ring, first and second ports at both ends, and a tapered portion formed around the first port; a first Teflon block fitted in one portion of the bore; and a second Teflon block fitted in another portion of the bore and including a metal ring having a toothed member secured onto the second Teflon block. A vacuum is created by the first Teflon block, the second Teflon block, the toothed ring, and the bore. Both the first and second ports are male ports, both the first and second ports are female ports, the first port is a female port and the second port is a male port, or the first port is a male port and the second port is a female port.
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