Surface Acoustic Wave (SAW) (SAW) is a type of sound waves which
propagate parallel to any elastic surface. First SAW device was introduced in
mid- 1960`s, the versatility and flexibility of SAW technology has set platform
to develop different SAW devices which include Filters, Unidirectional IDT
Filters, Resonator Filters, and Wireless Tags and Sensors. Telecommunication
and electronics is one of the key end -user industries for SAW devices, SAW
play a significant role in the radio frequency range in mobiles phones and base
stations and used typically as a band pass filter. Key developing applications
for SAW devices include sensors for the automotive, medical and industrial.
Another significant application of SAW in recent year is touch screens. The
increasing adoption rate for smartphones, tablets, and other touch based
devices will uplift SAW market in near future.
Automotive industry anticipated years ago, the need for advanced
vehicle monitoring systems, Tire Pressure Monitoring Systems (TPMS) and
Temperature monitoring were the key concerns in automotive industry. SAW
sensors are to play significant role in TPMS to sense and monitor the tire
pressure in real time. Automakers such as Ford Motors, Nissan, Tesla and others
have initiated offering this feature in almost all the SUV (Sport Utility
Vehicle) and MUV (Multi Utility Vehicle), according to the statistics the tires
have been linked to 119 deaths in the U.S.A., and all these accidents are
mainly on Ford Explorer SUVs. The applications of SAW in TPMS will upsurge the
market for SAW sensors by 2025.
Apart from automotive, SAW devices are used widely in medical
applications for pressure and strain monitoring, pressure values from various
locations is recorded and used for further diagnosis while treating cardiology,
gastroenterology, urology, orthopedics and many others. There is increasing
demand for sensors which are small, reliable, and economical in medical
industry for various applications, acoustic wave sensors one among the most
preferred sensors. Acoustic wave biosensors use acoustic wave to detect and
record medical, bio-chemical, biophysical information.
Touch screens market is gaining traction across various industries
such as consumer electronics, industrial, medical, automotive and many others.
The demand for acoustic wave touch screens are rapidly increase as an
alternative for optical touch screens which are expensive compared to that of
acoustic wave screens. SAW touch screens are manufactured using sheet of glass
with transmitting transducers, receiving transducers and reflectors. These
transducers are used to generate ultrasonic waves, which is transferred over
the screen and get reflected and the feedback is captured at receiver
transducers.
North Americas is a leading region to hold the major share of SAW
devices for a wide range of applications across different verticals. Some of
the key SAW devices used are resonators, filters, and sensors, the devices are
found to be more feasible than other semiconductor devices. While the major
market for these devices is North America, APAC region being one of the largest
electronics manufacturers is one of the growing markets for SAW devices.
Global Surface
Acoustic Wave (SAW) Market Players:
PAI
Technologies Corp.
Asr&D
Corporation
AVX
Corporation
Boston
Piezo-Optics Inc.
Ceramtec
Teledyne
Microwave Solutions
Senseor
Panasonic
Corporation
Raltron
Electronics Corporation
Epcos
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