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E Ink Triton 2 is the last generation of E Ink Triton color displays. The e-readers featuring it appeared in 2013. They include Ectaco Jetbook Color 2 and Pocketbook Color Lux. [46] [47] E Ink Carta, announced in January 2013 at International CES, features 768 by 1024 resolution on 6-inch displays, with 212 ppi pixel density. [48]
PDF 2.0 defines 256-bit AES encryption as the standard for PDF 2.0 files. The PDF Reference also defines ways that third parties can define their own encryption systems for PDF. PDF files may be digitally signed, to provide secure authentication; complete details on implementing digital signatures in PDF are provided in ISO 32000-2.
Many e-readers, devices meant to replace traditional books, utilize electronic paper for their displays in order to further resemble paper books; one such example is the Kindle series by Amazon.
Carbonless copy paper was first produced by the NCR Corporation, applying for a patent on June 30, 1953. [2] Formerly, the options were to write documents more than once or use carbon paper, which was inserted between the sheet being written upon and the copy. Carbonless paper was used as business stationery requiring one or more copies of the ...
Continuous form paper (or continuous stationery) is cut to width with holes punched at the edges, and folded into stacks. Paper grain All paper produced by paper machines such as the Fourdrinier Machine are wove paper, i.e. the wire mesh that transports the web leaves a pattern that has the same density along the paper grain and across the grain.
PDF (gene), a gene that in humans encodes the enzyme peptide deformylase; Palladium fluoride (PdF), a series of chemical compounds; Parton distribution function, in particle physics; Peak draw force, in a compound bow in archery; Percival David Foundation of Chinese Art; Pigment dispersing factor, in biology; Planar deformation features, in geology
Soda PDF is an application used to view, create, and edit Portable Document Format (PDF) files. [3] The software was developed by LULU Software in 2010, based in Montreal, Quebec , Canada . Features
The maximum tolerance specified is ∆L 4, ∆a 2 and ∆b 2. When selecting a paper for production, it is very important to measure the paper shade. A spectrophotometer or a spectrodensitometer can be used. Publishers should also check for batch to batch variations. The ultimate aim is to use the paper which has a shade closer to ISO ...