Metal working – Method of mechanical manufacture – Fluid pattern dispersing device making – e.g. – ink jet
Patent
1991-04-25
1993-11-23
Rosenbaum, Mark
Metal working
Method of mechanical manufacture
Fluid pattern dispersing device making, e.g., ink jet
B23K 2606
Patent
active
052632504
ABSTRACT:
A plurality of elongated beams are generated by dividing a laser beam, said plurality of beams being respectively applied to corresponding lens elements of a flyeye lens array. The structure is arranged in such a manner that the diameter of the plurality of the beams in the shorter direction is made smaller than that of each of the lens elements, so that the plurality of beams are further divided into a plurality of elongated secondary beams by the flyeye lens. The plurality of the secondary beams are bundled on a diaphragm in such a manner that their lengthwise directions substantially coincide with each other so that a beam pattern is formed. A row of openings arranged in the lengthwise direction of the beam pattern and formed in the diaphragm member are uniformly and efficiently irradiated with the thus-formed beam pattern. Then, the image of the row of openings is projected onto a plastic plate or the like so that a multiplicity of holes are formed in the plate. As a result, a nozzle plate of an ink jet printer head can be accurately and quickly manufactured.
REFERENCES:
patent: 4682885 (1987-07-01), Torigoe
patent: 4683524 (1987-07-01), Ohta
"Making Multi-ink Jet Nozzles and Charging Structures From a Single Sheet of Machinable Plastic", Lane et al., IBM Tech. Disclosure Bulletin, vol. 17, #5, Oct. 1974.
"Process for Fabrication of Ink Jet Orifices" , Gardner, Xerox Disclosure Journal, vol. 4, #2, Mar./Apr. 1979.
Proc. IEEE, vol. 57, No. 2, Feb. 1969, pp. 114-147; Gagliano, Francis P. et al.; "Lasers in Industry".
Laser Und Optoelektronik vol. 20, No. 2, Apr. 1988, Stuttgart, W. Germany pp. 96-101; Sowada, U. et al., "Excimer Laser Material Processing-Methods and Results".
Koide Jun
Nishiwaki Masayuki
Canon Kabushiki Kaisha
Dungba Vo Peter
Rosenbaum Mark
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