copper plating
21Coaxial cable — RG 59 flexible coaxial cable composed of: A: outer plastic sheath B: woven copper shield C: inner dielectric insulator D: copper core Coaxial cable, or coax, has an inner conductor surrounded by a flexible, tubular insulating layer, surrounded by …
221943 steel cent — Infobox Coin Country = United States Denomination = Cent Value = 0.01 Unit = U.S. dollars Mass = 2.7 Diameter = 19.05 Thickness = 1.55 Edge = Plain Composition = 100% steel with a thin layer of zinc Years of Minting = 1943 Catalog Number =… …
23Power electronic substrate — The role of the substrate in power electronics is to provide the interconnections to form an electric circuit (like a printed circuit board), and to cool the components. Compared to materials and techniques used in lower power microelectronics,… …
24Thermometric titration — titration systems have pre dominated in this area since the 1970 s. With the advent of cheap computers able to handle the powerful thermometric titration software, development has now reached the stage where easy to use automated thermometric… …
25bronze — bronzy, bronzelike, adj. /bronz/, n., v., bronzed, bronzing, adj. n. 1. Metall. a. any of various alloys consisting essentially of copper and tin, the tin content not exceeding 11 percent. b. any of various other alloys having a large copper… …
26Paul Revere — (bap. December 22, 1734 (OS) / January 1 1735 (NS) ndash; May 10, 1818) was an American silversmith and a patriot in the American Revolution. Because he was glorified after his death for his role as a messenger in the battles of Lexington and… …
27Superconducting Radio Frequency — (SRF) science and technology involves the application of electrical superconductors to radio frequency devices. The ultra low electrical loss of the superconductor yields RF resonators with extremely high quality factors, or Q . For example, it… …
28Numismatic history of the United States — The numismatic history of the United States began with Colonial coins and paper money; most notably the foreign but widely accepted Spanish piece of eight [1], ultimately descended from the Joachimsthaler and the direct ancestor of the U.S.… …
29Ebonol — is an artificial material similar to ebony (Diospyros crassiflora), a black wood from Africa, which sometimes includes grey streaks. Ebonol is commonly used in place of ebony in the construction of stringed instruments, like fretless bass… …
30Penny debate in the United States — 1959 US cent, first year mint with Lincoln Memorial design on reverse. A debate exists within the United States government, and American society at large, over whether the one cent coin, commonly known as the penny, should be eliminated as a unit …
