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Design and construction of a mechanically simple, interdigitated-wire ion gate
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10.1063/1.2006308
/content/aip/journal/rsi/76/8/10.1063/1.2006308
http://aip.metastore.ingenta.com/content/aip/journal/rsi/76/8/10.1063/1.2006308
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Schematic diagram of the prototype gate. Each of the wires is 0.127 mm diameter, and is woven through every other 0.5 mm hole drilled through the plastic. The circular cutout at the top of the Delrin support allows room for the resistor chain of the spectrometer to bypass the gate.

Image of FIG. 2.
FIG. 2.

Photo of the finished ion gate and the ring through which the two individual wire electrodes are woven. The small screws function as solid anchor points for the wires, and as connection points to external electronics.

Image of FIG. 3.
FIG. 3.

Two ion mobility spectra of rhodamine 6G (R6G) that demonstrate the improvement in ion signal after installation of the interdigitated ion gate. The earlier dual-grid gate (dashed line, 41.8 ppm R6G) can be compared to the interdigitated gate (solid line, 15.1 ppm R6G). The offset in time is due to different trigger positions, and the artificially longer drift time in the two-grid spectrum has been included for clarity. The smaller peak at approximately 18 and 13 ms, respectively, is due to solvent ions.

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/content/aip/journal/rsi/76/8/10.1063/1.2006308
2005-08-12
2014-04-20
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Design and construction of a mechanically simple, interdigitated-wire ion gate
http://aip.metastore.ingenta.com/content/aip/journal/rsi/76/8/10.1063/1.2006308
10.1063/1.2006308
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