Japanese researchers develop a new technology to manufacture flexible and precise electronic devices

A team of researchers at the Raiken Center for Materials Science in Japan has developed a new technology for manufacturing flexible and precise electronic devices, such as electronics that are used inside wristbands or attached to the fabric of clothing.

The scientific journal Science Advances, which specializes in electronics, stated that the new technology relies on the use of plasma extracted from water vapor, to fix the gold electrodes on separate surfaces made of polymeric materials without the need for adhesives or high temperatures.

The researchers say that in light of the increasing trend to reduce the sizes of electronics, as well as the multiple uses of electronic devices that can be worn on the body or that bend to take the shape of the body, such as electronic wristbands, the traditional means of manufacturing these devices have become impractical, and adhesive or connection techniques have become One of the biggest problems facing microelectronics manufacturing mechanisms is the electronic components to each other.

The researchers attributed the causes of these problems to the fact that traditional means of conduction, which depend on laying layers of adhesives on delicate surfaces, and then exposing them to heat and pressure to complete the adhesion process, can lead to damage to the delicate components that are used in the electronics industry at the present time.

The team of researchers confirms, in statements reported by the technology-specialized website “TechExplore”, that the new technique relies on the use of a plasma substance extracted from water vapor to connect two electrodes made of gold on a surface of a polymeric material that is no more than two thousandths of a millimeter thick and at a temperature The standard room, and they indicated that the contiguous need to wait no more than 12 hours.

“With the new direct bonding technology, we were able to fabricate a compact system containing flexible organic solar cells and LEDs, and the new technology achieved better results than conventional adhesives,” says Kenjiro Vikoda, a senior researcher at the Raiken Institute.

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