Polaroid (polarizer) Polaroid (polarizer) Polaroid is a type of synthetic plastic sheet which is used as a polarizer or polarizing filter. A trademark of the Polaroid Corporation, the term has since entered common use. The original material, patented in 1929 and further developed in 1932 by Edwin H. Land, consists of many microscopic crystals of iodoquinine sulphate (herapathite) embedded in a transparent nitrocellulose polymer film. The needle-like crystals are aligned during manufacture of the film by stretching or by applying electric or magnetic fields. With the crystals aligned, the sheet is dichroic: it tends to absorb light which is polarized parallel to
Polaroid Originals in February 2008 that it would stop producing film for Polaroid cameras. The founders are Florian Kaps, André Bosman and Marwan Saba. In June 2008, Kaps and Bosman met at the Polaroid factory’s closing event and decided to found a company to produce materials for Polaroid cameras. In October 2008, Impossible bought the production machinery from Polaroid for $3.1 million and leased a building, called Building Noord, which was formerly part of the Polaroid plant in Enschede, Netherlands. The company has offices in Vienna, Berlin, New York and Tokyo. It leased the Polaroid production plant and developed new instant film