LED MOCVD Precursors
Metal-organic chemical vapor deposition (MOCVD) is the method of choice for depositing In- and Ga-containing layers in compound semiconductor applications. While MOCVD has a long history of creating GaAs-based devices, in recent years, light-emitting diodes (LEDs) have grown rapidly in importance. In LEDs, the choice of material depends on the wavelength desired, and most semiconductor materials contain Ga or In, and other elements (for example red LEDs contain AlGaAs, green LEDs contain AlGaInP, blue LEDs contain InGaN).
The precursor materials used for In and Ga are tri-methyls of In or Ga, i.e., TMI (tri-methyl-indium) and TMG (tri-methyl-gallium). The starting materials for manufacturing these high-purity metal-organic precursor materials are indium trichloride and gallium trichloride, respectively.
Indium Corporation manufactures both indium trichloride and gallium trichloride for these markets.
LED MOCVD Precursors Technical Documents
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Indium Corporation Blog Posts
When you are doing your year-end clean-up, check to see if you have any indium seals or scrap pieces of indium laying around. Send us your scrap indium and we'll pay you for it or you can use it as a credit on your next purchase of indium wire or preforms.
A new paper sparked my interest recently: Experimental Thermal Energy Assessment of a Liquid Metal Eutectic in a Microchannel Heat Exchanger Equipped With a (10Hz/50Hz) Resonator which talks about alternatives to liquid metal for high-temp heat exchange applications. Unfortunately, they left out my favorite alloy - eutectic gallium-indium or EGaInTM.
Dr. Ron received a question asking him to verify a calculation used to determine the karat value of various gold-based alloys. It's not as simple as it appears. Read this post to see how Dr. Ron answers the question.
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