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POLYCRYSTALLINE SEMICONDUCTOR [3 records]
Record 1 - internal organization data 2009-01-15
Record 1, English
Record 1, Subject field(s)
- Semiconductors (Electronics)
- Solar Energy
Record 1, Main entry term, English
- polycrystalline silicon
1, record 1, English, polycrystalline%20silicon
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
- polysilicon 2, record 1, English, polysilicon
correct
- multicrystalline silicon 3, record 1, English, multicrystalline%20silicon
correct
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
Silicon which has solidified at such a rate that many small crystals (crystallites) were formed. 4, record 1, English, - polycrystalline%20silicon
Record number: 1, Textual support number: 1 CONT
The product, called "polycrystalline silicon" (polysilicon or poly) is granular in nature, and the size of the crystallites depends on the conditions under which the silicon cooled. ... Polysilicon can be formed as an ingot, or solid block, or in the shape of a ribbon drawn up from a molten bath, or by boiling the silicon off and allowing the vapor to deposit and cool on some flat surface. 5, record 1, English, - polycrystalline%20silicon
Record number: 1, Textual support number: 1 OBS
A polycrystalline material is a semiconductor material, deposited by vacuum evaporation or another suitable method, consisting of a multitude of tiny crystals with random orientation, used as the active region of thin-film transistors. 6, record 1, English, - polycrystalline%20silicon
Record 1, French
Record 1, Domaine(s)
- Semi-conducteurs (Électronique)
- Énergie solaire
Record 1, Main entry term, French
- silicium polycristallin
1, record 1, French, silicium%20polycristallin
correct, masculine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
- silicium multicristallin 2, record 1, French, silicium%20multicristallin
correct, masculine noun, less frequent
Record 1, Textual support, French
Record number: 1, Textual support number: 1 CONT
Silicium polycristallin. Les efforts en vue de la fabrication d'un semiconducteur à faible prix de revient ont orienté tout naturellement les études vers le silicium sous forme de polycristal. On équipe maintenant les systèmes photovoltaïques terrestres de cellules solaires fabriquées avec ce matériau. 3, record 1, French, - silicium%20polycristallin
Record 1, Spanish
Record 1, Campo(s) temático(s)
- Semiconductores (Electrónica)
- Energía solar
Record 1, Main entry term, Spanish
- silicio policristalino
1, record 1, Spanish, silicio%20policristalino
correct, masculine noun
Record 1, Abbreviations, Spanish
Record 1, Synonyms, Spanish
Record 1, Textual support, Spanish
Record number: 1, Textual support number: 1 CONT
Silicio policristalino, consta de pequeños cristales unidos entre sí que tienen un tamaño de entre pocos milímetros y varios centímetros. 1, record 1, Spanish, - silicio%20policristalino
Record 2 - internal organization data 2007-07-03
Record 2, English
Record 2, Subject field(s)
- Semiconductors (Electronics)
- Physics of Solids
Record 2, Main entry term, English
- polycrystalline semiconductor
1, record 2, English, polycrystalline%20semiconductor
correct
Record 2, Abbreviations, English
Record 2, Synonyms, English
- polycrystalline semi-conductor 2, record 2, English, polycrystalline%20semi%2Dconductor
correct
Record 2, Textual support, English
Record number: 2, Textual support number: 1 DEF
A semiconductor comprising a polycrystalline silicon lattice structure. 2, record 2, English, - polycrystalline%20semiconductor
Record 2, French
Record 2, Domaine(s)
- Semi-conducteurs (Électronique)
- Physique des solides
Record 2, Main entry term, French
- semiconducteur polycristallin
1, record 2, French, semiconducteur%20polycristallin
correct, masculine noun
Record 2, Abbreviations, French
Record 2, Synonyms, French
- semi-conducteur polycristallin 2, record 2, French, semi%2Dconducteur%20polycristallin
correct, masculine noun
Record 2, Textual support, French
Record number: 2, Textual support number: 1 DEF
Semiconducteur comportant une structure en grille formée de silicium polycristallin. 2, record 2, French, - semiconducteur%20polycristallin
Record 2, Spanish
Record 2, Textual support, Spanish
Record 3 - internal organization data 2004-04-26
Record 3, English
Record 3, Subject field(s)
- Chemical Elements and Compounds
- Semiconductors (Electronics)
- Solar Energy
Record 3, Main entry term, English
- metallurgical-grade silicon
1, record 3, English, metallurgical%2Dgrade%20silicon
correct
Record 3, Abbreviations, English
Record 3, Synonyms, English
- metallurgical grade silicon 2, record 3, English, metallurgical%20grade%20silicon
correct
Record 3, Textual support, English
Record number: 3, 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 3, English, - metallurgical%2Dgrade%20silicon
Record 3, French
Record 3, Domaine(s)
- Éléments et composés chimiques
- Semi-conducteurs (Électronique)
- Énergie solaire
Record 3, Main entry term, French
- silicium métallurgique
1, record 3, French, silicium%20m%C3%A9tallurgique
correct, masculine noun
Record 3, Abbreviations, French
Record 3, Synonyms, French
- silicium de qualité métallurgique 1, record 3, French, silicium%20de%20qualit%C3%A9%20m%C3%A9tallurgique
correct, masculine noun
Record 3, Textual support, French
Record number: 3, 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 3, French, - silicium%20m%C3%A9tallurgique
Record 3, Spanish
Record 3, Textual support, Spanish
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