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An Idea Whose Time Has Come

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At the turn of the century the great Japanese vertically integrated tech companies thought things were going their way. With worldwide defence spending reducing and rising prosperity the future was consumer electronics and they were the masters of consumer. Matsushita from Osaka and Sony in Tokyo bestrode both Japan’s consumer electronics industry and the world’s, …

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1.2kV SiC mosfet from Wolfspeed

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Wolfspeeed has introduced a 1,200V 75mΩ SiC mosfet. Called C3M0075120K, and available from Richardson RFPD, it comes in a four-lead TO-247-4 package – with a separate driver source explainng the fourth pin. The package has 8mm creepage distance between drain and source. The intrinsic diode is saisd to be fast, with low reverse recovery (Qrr). …

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Updated: Cree claims density record with 264 lm/mm2

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Cree is to introduce a more dense led family, called XD16 – for which little information seems to be available. “The first product available in the new family of XD leds is the XLamp XD16 LED that delivers a breakthrough lumen density of up to 264 lm/mm2, which is 50% higher than the best leds …

This story continues at Updated: Cree claims density record with 264 lm/mm2

Or just read more coverage at Electronics Weekly

Cubic GaN on silicon substrates, and the green gap

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Rensselaer Polytechnic Institute and the University of New Mexico have got together to develop a way of growing cubic GaN on silicon substrates. Compared with the hexagonal GaN used in all commercial leds, cubic GaN has a lower bandgap and therefore emits longer weavelengths for a given level of indium doping – potentially stretching efficient …

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Apple to cut Imagination royalty to a third, says UBS.

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Imagination is likely to see its royalties from Apple reduced to a third before they are finally cut out altogether in 15-24 months’ time, says UBS. Negotiations between Imagination and Apple are likely to see a cut in royalties from 30 cents per product sold using Imagination IP to 10 cents per product sold. The …

Read full article: Apple to cut Imagination royalty to a third, says UBS.

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