Recorders – Record receiver deforming
Patent
1984-03-05
1985-07-09
Hartary, Joseph W.
Recorders
Record receiver deforming
346140R, G01D 1518
Patent
active
045285713
ABSTRACT:
A fluid jet print head for producing a plurality of jet drop streams of fluid includes a manifold defining an elongated slot and an orifice plate defining a plurality of orifices, arranged in at least one row, which communicate with the cavity. A transducer arrangement, including a piezoelectric means, is mounted in the cavity and is spaced from the orifice plate so as to define a fluid reservoir therebetween. The transducer arrangement further includes acoustic isolation material which surrounds the piezoelectric means and supports the piezoelectric means in the cavity. The transducer means, when electrically excited, produces pressure waves of substantially uniform wave front which travel through the fluid in the reservoir toward the orifice plate and cause break up into jet drop streams of fluid flowing through the orifice. A cylindrical baffle is positioned in the fluid reservoir so as to contact the walls of the slot and the piezoelectric means to prevent establishment of transverse standing waves within the slot.
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patent: 4135197 (1979-01-01), Stoneburner
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patent: 4167742 (1979-09-01), Head et al.
patent: 4245225 (1981-01-01), Fillmore et al.
patent: 4245227 (1981-01-01), Krause
Hartary Joseph W.
The Mead Corporation
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