Gallium arsenide pieces, % trace metals basis; CAS Number: AsGa; find Sigma-Aldrich MSDS, related peer-reviewed papers, technical. SAFETY DATA SHEET. GALLIUM ARSENIDE OPTICAL CRYSTAL. According to Regulation (EC) No/ (REACH). Revision MATERIAL SAFETY DATA SHEET. I. PRODUCT IDENTIFICATION. Trade Name: Gallium Arsenide. Synonym: Gallium Monoarsenide. Formula: GaAs. CAS #.
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The material can be disposed of by removal to a ,sds chemical destruction plant or by controlled incineration with flue gas scrubbing. National Institutes of Health. For manufacturing solar cells, silicon has relatively low absorptivity for sunlight, meaning about micrometers of Si is needed to absorb most sunlight. Storage P Store locked up.
Thermal hazards no data available 9. Fires involving this material can be controlled with a dry chemical, carbon dioxide or Halon extinguisher.
Safety glasses with side-shields conforming to EN Silicon dioxide can be incorporated onto silicon circuits easily, and such layers are adherent to the underlying silicon. Stability and reactivity Overall summary evaluation of carcinogenic risk to humans is Group 1: In contrast, the absorptivity of GaAs is so high that only a few micrometers of thickness are needed to absorb all of the light.
Oxidation of GaAs occurs in air and degrades performance of the semiconductor. They just split wafers to separate discrete laser chips from it which may release some dust particles from it.
It is also a fairly good thermal conductor, thus enabling very dense packing of transistors that need to get rid of their heat of operation, all very desirable for design and manufacturing of very large ICs.
GaAs – Gallium Arsenide Wafer Technology offers single crystal gallium arsenide grown at low pressure from high purity polycrystalline gallium arsenide in a vertical temperature gradient VGF-Vertical Gradient Freeeze. First, silicon is abundant and cheap to process in the form of silicate minerals.
CAS MSDS (GALLIUM ARSENIDE) Melting Point Boiling Point Density CAS Chemical Properties
I love deadlines- I like the whooshing sound they make as they fly by. Some electronic properties of gallium arsenide are superior to those of silicon.
GaAs devices are relatively insensitive to overheating, owing to their wider energy bandgap, and they also tend to create less noise disturbance in an electrical signal in electronic circuits than silicon devices, especially at high frequencies. Follow us on All times are GMT Consequently, GaAs thin films must be supported on a substrate material. Aug 12, Revision Date: An Introduction To Semiconductor Microtechnology 2nd ed.
Mechanical Specifications Gallium arsenide can be supplied as ingots or ingot sections or as-cut, etched or polished wafers. Mzds as supplier shall not be held liable for any damage resulting from handling or from contact with the above product.
The measurement device contains a light source and a device for the spectral detection of the band gap. Prevent further leakage or spillage if safe to do so. Reacts with bases with evolution of hydrogen.
Gallium arsenide – Wikipedia
Symptoms of exposure to this compound gasa include diarrhea, hypotension, weakness, cardiac failure, convulsions, coma, nervousness, headache, dizziness hypothermia, abdominal cramps, irritability, paralysis, cardiac arrhythmia, respiratory edema, dyspnea, gaaas, coughing, peripheral neuropathy, optic neuritis, anesthesia, paresthesia, alopecia, dermatitis, cirrhosis of the liver, salivation, aplastic anemia, kidney damage, anuria, liver damage, jaundice, hematuria, proteinuria and leukopenia.
GaAs can be used for various transistor types: The above information is believed to be correct but does not purport to be all inclusive and shall be used only as a guide. If not breathing, give artificial respiration. Uses advised against no data available 1.
On a more practical level, it’s also very brittle. Wash hands before breaks and gaqs the end of workday.
GaAs does not have a native oxide, does not easily support a stable adherent insulating layer, and does not possess the dielectric strength or surface passivating qualities of the Si-SiO 2.
SAFETY DATA SHEETS