Author Archives: steve bush

Non-magnetic 2-d materials yield designer magnetic properties for spintronics

Scientists in Australia have opened the door to self-assembling controllable nano-scale electronic and spintronic devices by discovering how magnetism arises in 2-d ‘kagome’ metal-organic frameworks. Kagome materials have repeating pattern of hexagons and smaller triangles, with the hexagons touching at their tips (images below). The word is Japanese, relating to a basket weaving pattern. In ...

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Nexeria SMD power package accepted by automotive Tier-1

  Nexperia’s CFP15B clip-bond surface-mount power package has passed automotive board-level reliability (BLR) testing by a “leading”, said the company, tier-1 supplier. Initially, it will be used in an engine control unit. “BLR verification is an important milestone,” said Nexperia product manager Guido Söhrn. “CFP15B represents the latest generation of thermally-enhanced thin surface-mount devices. Its ...

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Isolated drivers for traction IGBTs up to 3.3kV

Power Integrations has introduced single version of its dual-channel Scale-iFlex gate-drivers for IGBT modules up to 3.3kV – sized to fit 100 x 140mm ‘new dual’ IGBT modules. Applications are foreseen in light-rail and renewable energy generation. “Scale-iFlex Single gate-drivers fit the outline of the latest standard IGBT power modules including the Mitsubishi LV100 and HV100, Infineon ...

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UK made: CEM Kasdon moves into new 20,000ft building

West Midlands-based contract manufacturer Kasdon Electronics has moved into a new 20,000ft2 building in Willenhall, allowing it to consolidate operations that were previously spread over two other buildings in the town. The new facility houses the company’s five production lines: one for high volume, two for runs up to 1,000 off and one for prototyping ...

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Pliable electro-mechanical actuator suits soft robots

Harvard University has improved the presure capability of elastomeric valves, avoiding the choice between soft but weak valves, or capable but rigid valves, in soft robotics, it said. “Today’s rigid regulation systems considerably limit the adaptability and mobility of fluid-driven soft robots,” said Professor Robert Wood of Harvard’s school of engineering and applied sciences (SEAS). “We ...

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Add the speed of GaN to the thermal conductivity of diamond

Seeking a route to high-performance power semiconductors, scientists in Japan have bonded gallium niride to a diamond substrate – the latter an insulator whose thermal conductivity is many times that of copper or silver. “The researchers succeed in the direct bonding of diamond and GaN at room temperature, and demonstrate that the bond can withstand ...

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Applied Materials improves die-to-wafer and wafer-to-wafer bonding

Applied Materials has announced developments and a partnership for improving heterogeneous chip design and integration. The development is improved software modelling and simulation for die-to-wafer hybrid bonding  – which uses direct copper-to-copper interconnects to increase I/O density and shorten the wiring length between chiplets. This will allow parameters such as material selection and packaging architecture ...

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Pickering high-voltage reed relays have lower power coils

Pickering Electronics has introduced high-voltage reed relays with a higher coil resistance for low power consumption compared to its existing Series 104 – high-voltage specifications are the same as Series 104, but the coils have more than double the resistance. Series 100HV high voltage reed relays are available with a choice of three dry contacts, capable of ...

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Toshiba adds Cortex-M4 MCUs for embedded data processing

Toshiba has added 20 Cortex-M4 microcontrollers to the M4G group of its TXZ+ family. Made on a 40nm process, they are aimed at multi-function office printers, audio-video equipment, IoT, home appliances, building automation and factory automation. All have a the Cortex-M4 with floating-point unit running at up to 200MHz alongside 128 or 256kbyte of flash ...

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70W brushless motor driver has code-free field-oriented control

Texas Instruments has introduced 70W brushless dc motor drivers with code-free sensor-less ield-oriented or trapezoidal control. In common, the devices include a set of commutation control algorithms which manage functions such as motor fault detection and protection mechanisms. Operation is from 4.5 to 35V (40V abs max) and the 95mΩ output drivers (high-side plus low-side 25°C) ...

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