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METALLURGICAL-GRADE SILICON [1 record]
Record 1 - internal organization data 2004-04-26
Record 1, English
Record 1, Subject field(s)
- Chemical Elements and Compounds
- Semiconductors (Electronics)
- Solar Energy
Record 1, Main entry term, English
- metallurgical-grade silicon
1, record 1, English, metallurgical%2Dgrade%20silicon
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
- metallurgical grade silicon 2, record 1, English, metallurgical%20grade%20silicon
correct
Record 1, Textual support, English
Record number: 1, Textual support number: 1 CONT
A typical conventional purification and crystal-growth process for making semiconductor grade silicon is summarized. ... Quartzite pebbles -sand- are mixed with a source of carbon and reduced in a high-temperature electric-arc furnace to produce a relatively impure molten silicon, which is drained off and cooled rapidly in a boat, forming metallurgical polycrystalline silicon (MG-Si). 3, record 1, English, - metallurgical%2Dgrade%20silicon
Record 1, French
Record 1, Domaine(s)
- Éléments et composés chimiques
- Semi-conducteurs (Électronique)
- Énergie solaire
Record 1, Main entry term, French
- silicium métallurgique
1, record 1, French, silicium%20m%C3%A9tallurgique
correct, masculine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
- silicium de qualité métallurgique 1, record 1, French, silicium%20de%20qualit%C3%A9%20m%C3%A9tallurgique
correct, masculine noun
Record 1, Textual support, French
Record number: 1, Textual support number: 1 CONT
Le silicium compte parmi les éléments les plus abondants de l'écorce terrestre. Il se présente toujours sous la forme d'un composé (silice ou silicates). [...] Le matériau employé dans la fabrication des photopiles tolère une concentration totale en impuretés électriquement actives de 1014 ou 1015 atomes [...]. Il existe plusieurs méthodes de préparation, la plus répandue est la réduction, à très haute température, de l'oxyde de silicium par le carbone. Le silicium métallurgique ainsi obtenu contient environ 98 % de silicium et d'autres impuretés comme le fer, l'aluminium, le bore, le phosphore. 2, record 1, French, - silicium%20m%C3%A9tallurgique
Record 1, Spanish
Record 1, Textual support, Spanish
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