WebAbout Gold-Coated Silicon Wafer. Gold-Coated Silicon Wafers consist of highly polycrystalline thin films of gold deposited onto silicon wafers, bound by a titanium adhesion layer. Gold-coated silicon wafers are available in different diameters and thicknesses, typically 4 in (100 mm) x 500-550 µm, with gold thicknesses ranging between 50-1000 ... WebWe offer the highest quality Gold Bullion Bars, Gold Coins, Rounds, Wafers, straight from reputable mints such as Royal Canadian Mint, Sunshine Mint, Australian Pert Mint etc. at competitive prices. 416-214-4299 . 866-901-0600. Due to unprecedented order volumes please expect a shipping delay. ...
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WebGold Wafers or Biscuits Gold bars which are stamped rather than cast, and therefore often thinner and flatter than cast bars are often called wafers or biscuits. We usually make no … WebEach gold bar is hermetically sealed in a tamper-proof display card, displaying the signature of the Mint's Chief Assayer and a unique serial number. BAR HIGHLIGHTS. Ships individually in a protective plastic sleeve. Consisting of 1 oz 9999 Fine Gold. Obverse: Features the Royal Canadian Mint logo along with the metal weight, purity, and a ... WebIt works perfectly on gold for thin film deposition. In our lab. the gold wafers we usully clean them by diping 5 min into piranha solution [3:1 mixture of concentrated sulfuric acid … lyts stercorando