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2. Photo print sizes - Wikipedia

   en.wikipedia.org/wiki/Photo_print_sizes

   The alternative Super series, denoted SnR, nR Plus or nR+, has an aspect ratio of 3∶2 (or as close as possible) and thus provides a better fit for standard 135 film (35 mm) at sizes of 8 inches or above. 5R is twice the size of a 2R print, 6R twice the size of a 4R print and S8R twice the size of 6R. 4D/6D is a newer size for most consumer ...

3. Microform - Wikipedia

   en.wikipedia.org/wiki/Microform

   Microform. Digital scanning of microfilm. A microform is a scaled-down reproduction of a document, typically either photographic film or paper, made for the purposes of transmission, storage, reading, and printing. Microform images are commonly reduced to about 4% or 1⁄25 of the original document size. For special purposes, greater optical ...

4. Rotogravure - Wikipedia

   en.wikipedia.org/wiki/Rotogravure

   Rotogravure (or gravure for short) is a type of intaglio printing process, which involves engraving the image onto an image carrier. In gravure printing, the image is engraved onto a cylinder because, like offset printing and flexography, it uses a rotary printing press. Once a staple of newspaper photo features, the rotogravure process is ...

5. 4D printing - Wikipedia

   en.wikipedia.org/wiki/4D_printing

   Stereolithography is a 3D-printing technique that uses photopolymerization to bind substrate that has been laid layer upon layer, creating a polymeric network. As opposed to fused-deposition modeling, where the extruded material hardens immediately to form layers, 4D printing is fundamentally based in stereolithography, where in most cases ultraviolet light is used to cure the layered ...

6. Flexography - Wikipedia

   en.wikipedia.org/wiki/Flexography

   Flexography (often abbreviated to flexo) is a form of printing process which utilizes a flexible relief plate. It is essentially a modern version of letterpress, evolved with high speed rotary functionality, which can be used for printing on almost any type of substrate, including plastic, metallic films, cellophane, and paper.

7. List of Hewlett-Packard products - Wikipedia

   en.wikipedia.org/wiki/List_of_Hewlett-Packard...

   Photo Kiosk that prints 4x6 prints in seconds; ... External Print Servers. ... (A 224 steps magnetic card programmable printing calculator with a 2" scroll print-out)