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US 6,205,925 B1Granted
Method for screen position correcting in screen printing
AssigneeTDK Corporation
InventorsHiroyuki Ohira, Shinichi Araya, Koji Kudo
Life of this patent
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AssigneeTDK Corporation
InventorsHiroyuki Ohira, Shinichi Araya, Koji Kudo
Estimating the term…
Methods and apparatus for adjusting the position of a printing screen having a center of rotation mounted on a screen frame for use in screen printing processes are disclosed. The apparatus includes a screen frame with a printing screen mounted thereon, a screen frame holder, a plurality of first arcuate guides mounted on the screen frame defining an arc with a predetermined circumference defined by a predetermined radius, a plurality of guide rollers mounted on the screen frame holder and corresponding to the plurality of first arcuate guides whereby the plurality of guide rollers movably supports the plurality of first arcuate guides and an adjustment mechanism adapted to urge the screen frame around the center of rotation of the printing screen.
A method for adjusting the position of a printing screen having a center of rotation mounted on a screen frame for use in a screen printing process comprising rotatably supporting said screen frame at a plurality of locations on a screen frame holder and rotating said screen frame around said center of rotation independently of adjustment of said screen frame in a longitudinal direction and a lateral direction of said screen, said rotation being performed by means of an adjustment member associated with said screen frame holder in order to correct the position of said printing screen with respect to said center of rotation.
A method for adjusting the position of a printing screen mounted on a screen frame for use in a screen printing process comprising rotatably supporting said screen frame at a plurality of locations on a screen frame holder and rotating said screen frame around a fixed center of rotation by means of an adjustment member associated with said screen frame holder in order to correct the position of said printing screen with respect to said center of rotation.
Dependencies are inferred from the claim text.