Specialty Fabrics Review June 2022 - 16

[ BRIEFS ]
breakthroughs
Innovations in advanced textiles
Faster prototyping of
wearable sensors
E
This supercapacitor array was made using
a new fabrication technique that is faster
and less expensive than photolithography.
Photo: Peisheng He/UC Berkeley
ngineers at UC Berkeley have developed
a new technique for making wearable
sensors that will enable medical
researchers to prototype test new designs faster
and at lower cost than existing methods. Renxiao
Xu developed the technique while pursuing his
Ph.D. in mechanical engineering at Berkeley. To
achieve low-strain flexibility on wearable sensors,
engineers use an " island-bridge " structure, Xu
said. The islands house rigid electronics and sensor components, and
the bridges link the islands to one another. Their spiral and zigzag
shapes stretch like springs to accommodate large deformations.
In the past, researchers have built island-bridge systems using
photolithography, a multistep process that uses light to create
patterns on semiconductor wafers, but the method requires a clean
room and sophisticated equipment. The new technique is simpler,
faster and more economical, especially when making one or two
dozen samples for testing.
Dyson launches an air purifier with headphones
A
fter years of development and hundreds of prototypes, Dyson has launched
a wearable technology product that will likely claim its own market space
for a time. " The Zone " is part noise-cancelling headphones and part personal
air purifier. Although the name Dyson is typically associated with vacuum
cleaners, it has more recently become known for its bladeless air purifiers, as
well. This new product is a leap into wearables for the company.
The Zone consists of a set of Bluetooth headphones with a " visor " that sits
over a wearer's nose and mouth shooting jets of purified air. Compressors built
into the earcups suck in surrounding air, filtering out allergens and particles.
The product is designed to purify the air when the wearer is on the move, and
unlike face masks, it delivers fresh air without having to touch the face. It
should be noted that the company is not representing it as a product to protect
against COVID-19. Photo: Dyson
16 SPECIALTY FABRICS REVIEW / June 2022

Specialty Fabrics Review June 2022

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Specialty Fabrics Review June 2022 - Cover2
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