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A step and repeat backdrop at WikiConference North America. A step and repeat banner (sometimes a step and repeat wall or press wall) is a publicity backdrop used primarily for event photography, printed with a repeating pattern such that brand logos or emblems are visible in photographs or selfies of the individuals standing in front of it.
Stepper is short for step-and-repeat camera. The stepper emerged in the late 1970s but did not become widespread until the 1980s. This was because it was replacing an earlier technology, the mask aligner. Aligners imaged the entire surface of a wafer at the same time, producing many chips in a single operation.
Nanoimprint can be performed in a way similar to the step-and-repeat optical lithography. The imprint field (die) is typically much smaller than the full-wafer nanoimprint field. The die is repeatedly imprinted to the substrate with certain step size. This scheme is good for nanoimprint mold creation.
A backdrop (or backcloth) [4] is a painted curtain that hangs in the back of the stage to indicate the scenery of the performance. Before the advent of motion pictures, theaters would have 6-8 stock painted backdrops on canvas for use in live theatrical performances.
Newark, New Jersey, 1912. From roughly 1860 to 1920 [1] [2] painted photography backdrops were a standard feature of early photography studios. Generally of rustic or quasi-classical design, but sometimes presenting a bourgeoisie trompe-l'œil, [3] they eventually fell out of fashion with the advent of the Brownie and Kodak cameras which brought photography to the masses with concurrent ...
Daguerre, a skilled professional artist, was familiar with the camera obscura as an aid for establishing correct proportion and perspective, sometimes very useful when planning out the celebrated theatrical scene backdrops he painted and the even larger ultra-realistic panoramas he exhibited in his popular Diorama.
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