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Conductor

Iron-on electronics for fabrics

Virginia Tech iron on flexible circuit Credit Applied Materials Interfaces DOI 10.1021 acsami.5c13752

Researchers at Virginia Tech have combined liquid metal and a heat-activated adhesive to create an electrically conductive patch that bonds to fabric when heated with a hot iron. “E-textiles and wearable electronics can enable diverse applications from health care and environmental monitoring to robotics and human-machine interfaces,” said Virginia Tech engineer Michael Bartlett. “Our work advances this by creating iron-on ...

Organic conductor dissolves for deposition

RitsumeikanU gold organic conductor

Researchers at Ritsumeikan University have made an organic conductor that can be solution proceesed. “The study therefore paves the way for solution-processed conductive materials, which could potentially lead to next-generation organic semiconductors,” according to the University. “Furthermore, the researchers will focus on refining molecular designs to optimise charge transport properties and explore applications in electronic circuits, sensors and energy storage.” ...

Squashy thermal pad achieves 8.3W/m.K

parker-chomerics pad80 pre-cut

Chomerics has announced a thermal gap filler pad material with a conductivity of 8.3W/m.K and 40 Shore 00 hardness. “With the highest available thermal conductivity in its product family, ‘PAD 80’ maintains low compression forces and conformability between mating surfaces,” said Chomerics. “Very low compression force means the product will deflect under assembly pressure, minimising stress on components, soldered joints ...

Battery Show: Automated automotive intra-battery current collectors

Interplex automotive battery current collectors

At the Battery Show in Stuttgart, Interplex will introduce its current collection technology for the inside of electric vehicle batteries. “There are two important objectives that electric vehicle manufacturers, their battery suppliers and technology partners need to address: rising costs and sustainability,” said Interplex product director Randy Tan. “Our Cell-PLX interconnect platform automates the battery interconnection process. It also offers ...

3d printing puts metal conductors anywhere on plastic parts

WasedaU-NanyangTechU-3d-plastic-metal-printing-cropped-300x200.jpg

Researchers from Japan and Singapore have developed a 3D printing technique to create conductive metal patterns on the external and internal surfaces of 3D plastic structures. It does not print solid metal directly, but instead accurately positions a catalyst throughout a polymer object wherever surface metal will later be needed. Update: Harting is commercially offering a similar process using injection ...

Tissue-based human body communications are OK

TokyoU head-worn electronics plot

Human tissue is a good transmission medium for connecting wireless binaural hearing aids, according to Tokyo University of Science. “For wearables to truly transcend portables, we will need to rethink the way in which devices communicate with each other,” according to the university. “The usual approach of using an antenna to radiate signals into the surrounding area while hoping to ...

UK made: Transparent power delivery for glass

Zytronic-ElectroglaZ

Zytronic of Newcastle has introduced a way of delivering power through glass invisibly, calling it Electroglaz. “Electroglaz is completely transparent and can be used to ‘magically’ power a near limitless variety of low power, electronic and electrotechnical devices embedded within a glass panel,” said company marketing director Ian Crosby. “Potential applications include LED lit display cases and shelving units for museums, ...

Perovskite defect might lead to transparent conductor

UMinnesota-transparent-conduct-perovskite

A defect found in barium stannate (BaSnO3) perovskite crystals could one day lead to a new type of transparent conductive film, according to scientists at the University of Minnesota. The defect is a one-dimensional (line) defect that runs through single crystals of the material aligned with one of the crystal axis. “The conductive nature and preferential direction of these metallic ...

One I missed – poly crystalline diamond heat spreader

Element-Six-CVD-diamond-photo

A polycrysalline diamond heat spreading material with thermal conductivity many times that of copper was introduced by De Beers subsidiary Element Six in 2019, and I missed it. This is far from the only similar material to exist, but this one has the highest thermal conductivity of anything that Element Six has released commercially:  2,200W/m.K (Wm-1K-1, written otherwise), around 5x compared ...

Zortrax 3D prints super-tough conductive polymer for space

Zortrax-composite-PEEK

Supported by the European Space Agency, Polish 3D printer company Zortrax has developed a way to co-print two forms of the super-tough polymer PEEK – one insulating and one conductive. “After nearly a year of research and development efforts, we have reached a major milestone,” according to Zortrax. “The first prototype composite parts made out of standard PEEK and experimental ...