Thick Film Screen Printer

The screens are basically the same technology. But when I worked with them , the screens were 6 inches square for a 3 or 4 inch hybrid. It is used on a precision printing machine to get good alignmant. Tee- shirts use a bigger stencil and are not so critical on alignment. The same technique on an even large scale is used for 3 and 4 metre wide continuous cloth printing.

regards sarason

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In screen printing the material is transferred through openings in the screen mesh. You can imagine small columns of "ink" that coalesce after the screen releases. Screen printing is also an off-contact process verse contact process of stencils. The small gap between the board and screen allows the screen to be deflected to the board by the squeegee than "snap-off" after the squeegee moves past. The motion releases the material from the mesh opening. Flood/print is a screen printing mode where the mesh openings are flooded (filled with material via a squeegee stroke)before the print stroke. Print/flood is the opposite mode. It is often used for material that quickly dry in the mesh openings.

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