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1. Trim; where the product will be cut. 2. Bleed; the zone outside the trim area. 3. Margin; the zone inside the trim area. In printing, bleed is printing that goes beyond the edge of where the sheet will be trimmed. In other words, the bleed is the area to be trimmed off.
Much greater pressure is then needed to force the paper into the channels containing the ink, so a high-pressure press is normally needed. Intaglio techniques include engraving, etching, and drypoint. In the planographic family of printing, the entire surface of the matrix is flat, and some areas are treated to create the print image. [1]
To print an intaglio plate, ink or inks are painted, wiped and/or dabbed into the recessed lines (such as with brushes/rubber gloves/rollers). The plate is then rubbed with tarlatan cloth to remove most of its waste (surface ink) and a final smooth wipe is often done with newspaper or old public phone book pages, leaving it in the incisions.
Screen printing is a printing technique where a mesh is used to transfer ink (or dye) onto a substrate, except in areas made impermeable to the ink by a blocking stencil.A blade or squeegee is moved across the screen in a "flood stroke" to fill the open mesh apertures with ink, and a reverse stroke then causes the screen to touch the substrate momentarily along a line of contact.
The wiping leaves ink in the incisions. You may also use a folded piece of organza silk to do the final wipe. If copper or zinc plates are used, then the plate surface is left very clean and therefore white in the print. If steel plate is used, then the plate's natural tooth gives the print a grey background similar to the effects of aquatinting.
A straight doctor blade has a straight, blunt edge and is used for lower quality print. A beveled doctor blade is cut at an angle creating a beveled edge. A lamella tip is a doctor blade with a unique geometry that is thin at the tip, gradually becoming larger in a step pattern or other design.
A typical 8.5 × 11 sheet of paper has 0.25-inch (6.4 mm) margins, reducing the printable area to 8.0 by 10.5 inches (200 mm × 270 mm), or 84 square inches. 84 sq/in × 90,000 dots per sq/in = 7,560,000 dots. 1 megabyte = 1,048,576 bytes, or 8,388,608 bits, which is just large enough to hold the entire page at 300 dpi, leaving about 100 ...
Conductive ink is an ink that results in a printed object which conducts electricity. It is typically created by infusing graphite or other conductive materials into ink. [ 1 ] There has been a growing interest in replacing metallic materials with nanomaterials due to the emergence of nanotechnology.