A die defect is a unique and unintentional flaw in a coin die and is created through excessive use or polishing of the die.[1] A die bearing such a defect is occasionally referred to as a defective die. Generally, and depending upon the magnitude of the defect, coins that are produced from these dies are considered error coins.[2] Also, the term encompasses a wide variety of design errors that were engraved into the die originally and were slipped into circulation before the incorrect design was discovered.
^"COIN COLLECTING TERMINOLOGY and Definitions – Glossary of Coin Collector Words Starting with Letter D." COIN COLLECTING TERMINOLOGY – Glossary of Coin Collector Terms and Definitions. Web. 23 April 2010. http://cointerms.com/glossary/d_definitions.htm.
^"What's It Worth? Prices for U.S. Error Coins." CoinSite – Coin Collecting, Rare and Old Coins, Coin Prices and the Coin DOC. Web. 23 April 2010. http://www.coinsite.com/html/userrorprices.asp Archived 4 May 2010 at the Wayback Machine.
diedefect is a unique and unintentional flaw in a coin die and is created through excessive use or polishing of the die. A die bearing such a defect...
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crystallography, a Frenkel defect is a type of point defect in crystalline solids, named after its discoverer Yakov Frenkel. The defect forms when an atom or...
gas porosity, shrinkage defects, mould material defects, pouring metal defects, and metallurgical defects. The terms "defect" and "discontinuity" refer...
loose and they then turn. When a mint worker polishes a die to remove a die clash or some other defect there may be instances where a part of the design is...
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the reverse, stating that the obverse placement had the appearance of a diedefect. At that time, Von Engelken had resigned pending appointment to the post...
defections. One defectordied in a failed murder-suicide attempt by her husband while in detention. One person who attempted to defect was shot and killed...
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the die. diedefect An imperfection of various sorts caused by a damaged die. May refer to a crack or clash or a chip out of the die, etc. A defect from...
so-called stealth dicing process. It works as a two-stage process in which defect regions are firstly introduced into the wafer by scanning the beam along...
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remaining in China, and their subsequent fates. Also listed are soldiers who defected to North Korea. Prisoner repatriation was one of the greatest stumbling...
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G. The defect group of a block is unique up to conjugacy and has a strong influence on the structure of the block. For example, if the defect group is...
An entrainment defect is a term used in metallurgy to describe a defect created in a casting by the folding-over of the oxidized surface layer of the molten...
casting it is inspected for defects. The most common defects are misruns and cold shuts. These defects can be caused by cold dies, low metal temperature,...
and the damaged cells continue to replicate despite being directed to die. Defects in regulation of apoptosis in cancer cells occur often at the level of...
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