Printing industry is one of the best and blooming industries of today’s generation. The earliest form of printing are applied to a paper was a woodblock printing in China. Later there were dramatic developments in the printing industry. This technology of printing plays a main role in development of renaissance and the scientific revolution and paves way to material basis to the modern knowledge-based economy and the spread the learning to the masses.
The first movable printer was introduced in Europe. The adjustable model is the representation of printing and typography by making use of the adjustable elements of metal type made by inducing from matrices struck by letter punches. Copper movable type printing was first originated in China. It was used in large scale printing of paper money. Movable type then spread across Korea and other parts of the world. Later there was a huge revolution around the printing industry.
Planographics are the ones in which both the printed and non-printed area was on same plane surface with the actual distance with them is preserved chemically or by physical properties. The most suitable examples of these are screenless printing, collotype.
The printing areas which are on plane surface and then the non printed areas are usually seen below the surface, examples flexography and letterpress.
Intaglio, is the non-printed areas are seen on a even exterior and the printed areas are etched below the exterior, examples steel die engraving, gravure.
This kind of printing is the one in were the printing are on a fine mesh like curtains through which the link can move through and the non printing areas are on the stencils, which are above the curtains to block the flow of ink in those areas.