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donor

French translation: donneur

GLOSSARY ENTRY (DERIVED FROM QUESTION BELOW)
English term or phrase:donor
French translation:donneur

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15:54 Nov 11, 2009
English to French translations [PRO]
Science - Physics
Additional field(s): Electronics / Elect Eng
English term or phrase: donor
Definition from Tyco Electronics Corporation:
A material that is intentionally added to a pure semiconductor material in order to increase the population of free electrons in that semiconductor, resulting in a net negative charge. A semiconductor that has had donor material added to it is called "n-type."

Example sentence(s):
  • If there is a higher concentration of donors than acceptors, the semiconductor is n-type and the free electron concentration is approximately the difference between the two doping concentrations. everything2.com
  • The ionization energy of a donor atom is the energy required to dissociate the electron from the atom and put it in the conduction band of the crystal. answers.com
  • The doping with foreign atoms increases the conductivity of semiconductor crystals. By installing pentavalent foreign atoms (donors) one receives electron excess conductors (n-conductor). ledshift.com
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donneur
Definition:
Dans un semi-conducteur, atome d'une impureté pouvant donner un électron libre. L'introduction des donneurs a pour effet d'augmenter le nombre d'électrons libres dans un semi-conducteur pur et de le transformer en semi-conducteur de type N.
Selected response from:

Fabien Champême
Spain
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4 KudoZ points were awarded for this answer



Summary of translations provided
5 +2donneur
Fabien Champême


  

Translations offered


22 mins   confidence: Answerer confidence 5/5 peer agreement (net): +2
donneur


Definition from Termium:
Dans un semi-conducteur, atome d'une impureté pouvant donner un électron libre. L'introduction des donneurs a pour effet d'augmenter le nombre d'électrons libres dans un semi-conducteur pur et de le transformer en semi-conducteur de type N.

Example sentence(s):
  • Un semi-conducteur type N est un semi-conducteur intrinsèque (ex : silicium Si) dans lequel on a introduit des impuretés de type donneurs (ex : arsenic As). Ces impuretés sont ainsi appelées parce qu'elles donnent un électron à la bande de conduction pour réaliser une liaison avec le cristal semi-conducteur . - Optique pour l'ingénieur  
  • Et parce que les électrons à cinq atomes ont un électron supplémentaire à « donner », il sont appelés atomes donneurs. Les matériaux ainsi formés sont appelés semiconducteurs de type N parce qu'ils contiennent un excès d'électrons négativement chargés. - Encyclopédie en ligne  
Fabien Champême
Spain
Local time: 10:52
Native speaker of: Native in FrenchFrench
PRO pts in category: 20

Votes in favor of/against selecting this as the best translation of the term asked
Yes  Paul Mercier: A mettre en opposition aux impuretés qui acceptent un électron, formant ainsi un atome "accepteur".
1 hr
Yes  Philippe Etienne
17 hrs
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