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MICROCRISTALLIN [3 records]

Record 1 2017-05-12

English

Subject field(s)
  • Petrography
DEF

Micritic limestone consisting of microscopically interlocking crystals.

French

Domaine(s)
  • Pétrographie
OBS

microcristalline : Se dit de la structure d'une roche formée de cristaux qui ne peuvent être discernés à l'œil nu.

Spanish

Save record 1

Record 2 2013-07-30

English

Subject field(s)
  • Mineralogy
  • Various Metal Ores
  • Petrography
DEF

Consisting of very fine ([especially] microscopic) crystals.

CONT

... a microcrystalline variety of pyrhite ...

OBS

Applied to crystalline rocks, the constituents of which are individually so minute that they cannot be distinguished from each other by the naked eye ...

PHR

Microcrystalline quartz.

French

Domaine(s)
  • Minéralogie
  • Minerais divers (Mines métalliques)
  • Pétrographie
DEF

Se dit d'un corps dont la structure est formée par l'enchevêtrement de très petits cristaux ne pouvant être décelés qu'au microscope.

CONT

[...] une variété microcristalline de pyrhite [...]

PHR

Quartz microcristallin.

Spanish

Save record 2

Record 3 2008-08-22

English

Subject field(s)
  • Chemistry
  • Surface Treatment of Metals
  • Semiconductors (Electronics)
DEF

A form of thin film silicon with very small (0.5-2 micron) grain structure intermixed with amorphous silicon.

CONT

Microcrystalline silicon ... consists of crystalline grains that are embedded in an amorphous material. This means that microcrystalline silicon has optical characteristics like crystalline wafer material, but can be applied to any surface, for example via plasma deposition.

OBS

It is usually deposited in a thin layer (typically 1-3 microns) for tandem (stacked) thin film solar cells.

French

Domaine(s)
  • Chimie
  • Traitements de surface des métaux
  • Semi-conducteurs (Électronique)
DEF

[Matériau obtenu] en introduisant une forte proportion d'hydrogène gazeux dans le plasma de silane destiné à produire du silicium amorphe [ce qui crée] dans le matériau en croissance une certaine proportion de micrograins cristallisés.

Spanish

Save record 3

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