Use of porous beads as a tip for nano-electrospray

Details Use of porous beads as a tip for nano-electrospray Use of porous beads as a tip for nano-electrospray

1998-05-14

1999-11-02

Kashnikow, Andres

Fluid sprinkling, spraying, and diffusing

Processes

Including electrostatic charging

239696, 239708, B05B 500

Patent

active

059754265

ABSTRACT:
A durable electrospray needle uses a capillary having a substantially large outside diameter. Provision of a porous bead at the spray tip advantageously allows a fine electrospray to be formed without the need for finely machining a needle tip and orifice, which allows for economical construction. Further, because the bead itself may serve as the anode in an electrospray field circuit, costs associated with electrode placement are eliminated.

REFERENCES:
patent: 4161282 (1979-07-01), Erb et al.
patent: 4566636 (1986-01-01), Sachar et al.
patent: 5810265 (1998-09-01), Cornelius et al.

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