Purple plague may refer to:
* AuAl2, a purple gold-aluminium intermetallic compound in microelectronics that degrades wire bonding between gold and aluminum
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PLAGUE, THE — is a very malignant kind of highly contagious fever, marked by swellings of the lymphatic glands. From the development of purple patches due to subcutaneous hæmorrhages the European epidemic of 1348 50 was called the Black Death. A quarter of… … The Nuttall Encyclopaedia
White plague — can refer to: * Any epidemic disease that makes the patients appear pale, especially tuberculosis during the 19th and early 20th century. * The White Plague , a 1982 science fiction novel by Frank Herbert featuring a bioengineered plague that… … Wikipedia
Gold-aluminium intermetallics — are intermetallic compounds of gold and aluminium that occur at contacts between the two metals. These intermetallics have different properties than the individual metals which can cause problems in wire bonding in microelectronics. The main… … Wikipedia
Kirkendall effect — The Kirkendall effect is the migration of markers that occurs when markers are placed at the interface between an alloy and a metal, and the whole is heated to a temperature where diffusion is possible; the markers will move towards the alloy… … Wikipedia
Miconia calvescens — Bush Currant redirects here. Not to be confused with Currant Bush (Carissa spinarum). Miconia calvescens Scientific classification Kingdom: Plantae … Wikipedia
Intermetallics — or intermetallic compounds is a term that is used in a number of different ways. Most commonly it refers to solid state phases involving metals. There is a research definition adhered to generally in scientific publications, and a wider common… … Wikipedia
Miconia — Velvet Tree (Miconia calvescens) Scientific classification Kingdom … Wikipedia
Wire bonding — is a method of making interconnections between a microchip and other electronics as part of semiconductor device fabrication.The wire is generally made up of one of the following: *Gold *Aluminum *CopperWire diameters start at 15 µm and can be up … Wikipedia
Gold plating — is a method of depositing a thin layer of gold onto the surface of another metal, most often copper or silver, by chemical or electrochemical means.Mechanical or chemical affixing of thin gold foils onto the surface of objects is instead known as … Wikipedia
Metrosideros polymorpha — ʻŌhiʻa lehua ʻŌhiʻa lehua flowers Scientific classification Kingdom … Wikipedia
