Meta surfaces steer RF, light or sound arbitrarily

 Meta-surfaces can be designed to steer sound or electromagnetic waves is arbitrary directions, or act as beam splitters, according a team from Aalto University in Finland and Duke University North Carolina. “Existing solutions for controlling reflection of waves have low efficiency or difficult implementation,” said Aalto researcher Dr Ana Díaz-Rubio. “We solved both of those problems. ...

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TSMC takes $550m hit on defective photoresist material

TSMC has completed of an assessment of all wafers recently affected by a batch of problematic photoresist material, and has concluded that the incident will reduce TSMC’s Q1 revenues by about US$550 million. The incident will reduce gross margin by 2.6pp, operating margin by 3.2pp, and EPS by NT$0.42, said TSMC. TSMC said it discovered ...

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UK can cope with any risks in Huawei switchgear, says NCSC

The National Cyber Security Centre (NCSC) has concluded that it can cope with any risks associated with using Huawei switchgear in UK 5G networks, reports the FT. The decision could have an effect on other countries which are considering whether to ban Huawei from bidding for 5G contracts. The FT quotes a source as saying: ...

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ST and Sequans develop LTE for MCUs

Sequans and ST are co-developing LTE for MCUs used in IoT applicarions. From this collaboration, the companies have developed a dedicated cellular extension board for STM32 Discovery kits based on Sequans’ Monarch LTE-M/NB-IoT technology. ST has also enlarged its STM32CUBE cellular software library to support Sequans’ existing Monarch-based module, GM01Q. A more integrated solution, enriching ...

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Data mining for new organic compounds

Researchers at the Technical University of Munich (TUM) are using data mining to identify promising organic compounds for the electronics of the future. Producing traditional solar cells made of silicon is very energy intensive. On top of that, they are rigid and brittle. Organic semiconductor materials, on the other hand, are flexible and lightweight. They ...

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