Viscous material noncontact jetting system

Details Viscous material noncontact jetting system Viscous material noncontact jetting system

2011-05-10

2011-05-10

Kornakov, Michael (Department: 1714)

Coating processes

Measuring, testing, or indicating

C427S256000, C427S287000, C118S323000, C118S712000

Reexamination Certificate

active

07939125

ABSTRACT:
A viscous material noncontact jetting system has a jetting dispenser mounted for relative motion with respect to a surface. A control is operable to cause the jetting dispenser to jet a viscous material droplet that is applied to the surface as a viscous material dot. A device, such as a camera or weigh scale, is connected to the control and provides a feedback signal representing a size-related physical characteristic of the dot applied to the surface. The size-related physical characteristics of subsequently applied dots is controlled by heating and cooling, or adjusting a piston stroke in the jetting dispenser, in response to the size-related physical characteristic feedback. Dispensed material volume control and velocity offset compensation are also provided.

REFERENCES:
patent: 6541063 (2003-04-01), Prentice et al.

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