Plastic orifice plate for an ink jet printhead and method of man

Details Plastic orifice plate for an ink jet printhead and method of man Plastic orifice plate for an ink jet printhead and method of man

1987-11-13

1989-05-09

Hartary, Joseph W.

Recorders

Performance of multiple functions of steam and gas engines

Pressure responsive element

346140R, 204 6, 264156, G01D 1518

Patent

active

048293199

ABSTRACT:
A plastic orifice plate for an ink jet printhead and manufacturing process therefor which includes electroforming a metal die having raised sections thereon of predefined center-to-center spacings, and using the die to punch out openings in a plastic substrate of a chosen thickness to form a plurality of closely spaced orifice openings in the substrate. The orifice plate can be of a chosen transparent material and secured to a printhead substrate where the dynamics of ink flow can be viewed through the orifice plate during printhead testing and evaluation.

REFERENCES:
patent: 2533609 (1950-12-01), Nolan
patent: 3719736 (1973-03-01), Woodruff
patent: 4132519 (1979-01-01), Reed
patent: 4211617 (1980-07-01), Hunyar
patent: 4312009 (1982-01-01), Lange
patent: 4330787 (1982-05-01), Sato
patent: 4490728 (1984-12-01), Vaught
patent: 4611219 (1986-09-01), Sugitani
patent: 4623904 (1986-11-01), Conta
patent: 4675083 (1987-06-01), Bearss
patent: 4694308 (1987-09-01), Chan

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