February 22, 2025

The world's smallest ultrasonic sensor comes out

British researchers said on the 16th that they have produced the world's smallest ultrasonic sensor. It is so tiny that it can line up on a hairline. This result can be widely used to explore the microscopic environment inside the cell.

On the same day, the University of Nottingham of the United Kingdom issued a communique saying that the school’s Applied Optics Research Group has produced this miniature ultrasonic sensor. It is much smaller than the existing ultrasonic sensors, and 500 of these sensors come together to reach the width of a hairline. It has both ultrasonic and optical properties. It will deform slightly when it is perceived. This deformation can be detected by the laser that illuminates them to obtain the information of the ultrasonic wave; conversely, if it emits a laser pulse, it also Can be stimulated to emit ultrasonic waves to detect the target object.

Researcher Matt Clarke said that the rise of nanotechnology has brought about the need for micro-ultrasonic detectors, and the new equipment they developed has extended ultrasound detection technology to the nanoscale. The ultrasound application that people are familiar with is a medical examination. This new type of device can be used to perform ultrasound examination on the inside of a cell to provide physiological information that was difficult to obtain in the past.

In addition, the ultrasound sensor is also very high resolution, it uses the sound wave frequency beyond the frequency of visible light, so in theory it can obtain a clearer image than the best optical microscope.

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Tungsten carbide welding bars are commonly used in the oil and gas industry for various applications. These bars are made from a combination of tungsten and carbon, which results in a very hard and wear-resistant material. Here are some specific uses of tungsten carbide welding bars in the oil and gas industry:

1. Hardfacing: Tungsten carbide welding bars are used for hardfacing applications, where a wear-resistant layer is applied to drilling tools, valves, pumps, and other equipment exposed to abrasive environments. This helps to extend the lifespan of the components and reduce maintenance costs.

2. Drill bits: Tungsten carbide welding bars are used to manufacture drill bits for oil and gas exploration. The hard and durable nature of tungsten carbide makes it ideal for drilling through tough rock formations.

3. Wear plates and liners: Tungsten carbide welding bars are used to create wear plates and liners for equipment used in oil and gas production. These plates and liners protect the underlying metal surfaces from abrasion and corrosion, ensuring the longevity of the equipment.

4. Valve seats and seals: Tungsten carbide welding bars are used to manufacture valve seats and seals for oil and gas valves. The high hardness and wear resistance of tungsten carbide ensure reliable sealing and prevent leakage in critical applications.

5. Downhole tools: Tungsten carbide welding bars are used in the manufacturing of downhole tools such as stabilizers, reamers, and drill collars. These tools are subjected to high pressures, temperatures, and abrasive conditions, and tungsten carbide helps to enhance their durability and performance.

Overall, tungsten carbide welding bars play a crucial role in the oil and gas industry by providing wear resistance, hardness, and durability to various components and equipment.

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