[Ion-transport system].
1993
The utility model provides an ion transmission system. The ion transmission system comprises a sampling cone and an extraction lens, the end part with the smallest inner diameter of the first-stage extraction lens extends into the sampling cone, the inner diameter of the first-stage extraction lens is gradually increased along the transmission direction of ions in the first-stage extraction lens,and the outer diameter and the inner diameter of the first-stage extraction lens are gradually increased. The device has the advantages of high ion transmission efficiency, high detection sensitivityand the like.
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