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The material, a modified polybutylene terephthalate (PBT), is thus intended to provide a high level of protection for the sensitive electronics in the sensor housings. “This dielectric, tailored material solution meets the rigorous standards for sensor components and is appropriate for use as a rear housing cover or in applications behind the circuit board of a radar sensor.
With rising electromagnetic interference in road traffic, it is vital that the signals are not only reflected but absorbed and therefore decreased. This is where the new stuff comes in. Improved safety can result from better signal assignment, which is made possible by decreasing interfering radar emissions.
In addition to providing a substitute for metal housings, Ultradur RX is a functionalized plastic, which helps reduce weight and boosts vehicle economy. The ideal material must be chosen for each application because the absorption properties depend on geometric restrictions.
The Global Automotive radar plastics market accounted for $XX Billion in 2023 and is anticipated to reach $XX Billion by 2030, registering a CAGR of XX% from 2024 to 2030.
Polyplastics DURANEX 201EB PBT Resin, a New Resin for Automotive Applications for Millimetre Wave Radar, is Launched. Electromagnetic wave shielding is an additional benefit of electrical conductivity that is offered by DURANEX PBT 201EB. The material therefore helps to save costs by reducing the amount of assembly required.
Millimetre wave radar is a type of sensor used in modern advanced driver assistance systems (ADAS) that uses radio waves (or electromagnetic waves) in the millimetre wave bands to transmit and receive information on the position, speed, and angle of objects, such as oncoming cars.
Due to its expanded use for vehicle perimeter monitoring, including on the back side, and its capability to recognise distances and other characteristics with accuracy in bad weather and at night, millimetre wave radar is experiencing a rapid expansion in its market.
Through a variety of methods, Polyplastics has worked to manufacture materials for millimetre wave radar applications. When used in radio wave absorption materials, electrically conductive grades like DURANEX® PBT 201EB can help customers save money on processing expenses and have more design flexibility.
In the past, radomes that transmit electromagnetic waves have had portions of electromagnetic wave absorption materials included into them. The incorporation of electromagnetic wave absorbing materials has the effect of lowering millimetre wave reflection noise and preventing the formation of detection mistakes (raising detection accuracy).
But it has been difficult to affix traditional rubber electromagnetic wave absorbers to the back of radomes. The 3D waveguide antenna metallized plastic technology was initially invented by HUBER+SUHNER over 10 years ago and is widely used in several sectors, most notably car radar for sophisticated driving systems.
Insight into technology, products, and how they satisfy the technical requirements of the automotive industry are provided in this article. The article describes the technological progression from antennas for mmWave backhaul via fixed wireless communications to car radar, introducing HUBER+SUHNER as a provider of 3D metallized plastic antennas.
Engineers at HUBER+SUHNER have been working on metallized plastic technology in their quest to create highly effective, small radiators that can be manufactured at a competitive cost. Lightweight 3D waveguide antennas with small form factors have been successfully designed, produced, and validated through a number of innovation processes.
These devices are increasingly in demand in the automobile industry due to their increased efficiency, pattern stability, and wide bandwidth. The route that HUBER+SUHNER took to become a provider of 3D radar waveguide antennas is examined in this article. HUBER+SUHNER created the first 3D waveguide metallized plastic antennas, which have been produced.
These components are consistent with international laws and offer high gain and a small form factor for mmWave backhaul at V- and E-Bands (57 to 66 GHz and 71 to 86 GHz, respectively). To accomplish this, a number of designs with 1024 to 4096 radiators each are supplied with the same amplitude and phase, then combined into a single input.
With the transition from point-to-point links to multipoint-to-multipoint wireless distribution network applications within the Terragraph6 programme, the metallized plastic antenna evolved to the next stage. Through the quicker and more effective deployment of gigabit connection in areas where fibre trenching is expensive, this project aims to increase the number of people who have access to high-speed internet.
The HUBER+SUHNER system served as the foundation for the first technology demonstrations for consistent, dependable communication due to its broadband characteristic covering the frequency spectrum from 57 to 66 GHz.
With this strategy, a radiation pattern is produced that has an extremely focused pencil beam (directivity ranging from 38 to 43 dBi, respectively), controlled sidelobe levels, and steady gain with frequency. In order to transition from single to multi-channel metallized plastic antennas for the multipoint-to-multipoint wireless distribution network, a 36-input antenna with vertical polarisation was designed and produced.
When all channels are used together, it is possible to direct the primary radiation beam to place the communication link in the most advantageous location. Figure 5 demonstrates how complete coverage across a horizontal angle of 35 degrees can be attained while still maintaining a realised gain of more than 29 dBi.
