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Polyether ether ketone (PEEK) is a colourless organic thermoplastic polymer in the polyaryletherketone (PAEK) family, used in engineering applications. It was invented in November 1978 [2] and brought to market in the early 1980s by part of Imperial Chemical Industries (ICI), the PEEK division was acquired through a management buyout, giving rise to Victrex PLC.
An example of how 3D printing can be included in the design process is automotive design. [19] There, it is necessary to quickly test and verify a prototype to get the design approved for production. The reduced post-processing steps induced by the multi-material 3D printing technology result in a shorter fabrication time.
3D printing, or additive manufacturing, is the construction of a three-dimensional object from a CAD model or a digital 3D model. [1] [2] [3] It can be done in a variety of processes in which material is deposited, joined or solidified under computer control, [4] with the material being added together (such as plastics, liquids or powder grains being fused), typically layer by layer.
As part of a promotion involving the Chuck Wagon line of dog food, Purina contracted video game distributor Spectravision [6] to create a game themed around dogs and dog food. Customers could redeem proofs of purchase from bags of dog food in exchange for the game, [ 7 ] an example of a new marketing technique that emerged during the popularity ...
An illustration of OPC (Optical Proximity Correction). The blue Γ-like shape is what chip designers would like printed on a wafer, in green is the pattern on a mask after applying optical proximity correction, and the red contour is how the shape actually prints on the wafer (quite close to the desired blue target).
"Driver's Seat" peaked at number 15 on the US Billboard Hot 100 the weeks of September 29 and October 6, 1979. [4] [5] It reached the top 10 in the Netherlands in November 1980. In Canada, the song reached number 17, and was in the RPM Top 100 for 21 weeks. [6] "Driver's Seat" was re-released in the Netherlands in 1991.
Reader Rabbit is an educational video game franchise created in 1984 by The Learning Company.The series is aimed at children from infancy to the age of nine. In 1998, a spiritual successor series called The ClueFinders was released for older students aged seven to twelve.
For many years, the brand's main television commercial spokesman was Lorne Greene, who created the concept of eating one's own dog food by claiming that Alpo is so good he feeds it to his own dogs. Ed McMahon also had a long association with the product on television, and Garfield was a "spokescat" for the brand in the 1990s.