IoT connected to people will be taken for granted in daily life
From everyday life to all walks of life, sensors that detect various phenomena in nature through pressure, inertia, flow, temperature, sound, and light are being widely used. For example, using an infrared sensor that detects the human body through body temperature, it is possible to illuminate and provide air-conditioning only in a place where people are, thereby greatly reducing the waste of power consumption. Seismic sensors can detect strong earthquakes, thus stopping the use of devices and equipment, and avoiding secondary disasters such as machine malfunctions and fires.
The MEMS microphone hidden in the smart phone is actually a type of sensor that can detect audio from a wide range of sounds to a wide range of frequencies, and can clearly communicate the volume and tone of a call through a built-in sensor.
The structure of MEMS microphones The characteristics of these sensors are very small. In hardware only a few millimeters in size, various components such as detection devices and controllers are gathered, and the detected mechanical data can be converted into electrical signals for transmission. These tiny machines are called MEMS (Micro Electro Mechanical Systems). As a key technology in the new century, MEMS is widely used in various fields. The wide variety of applications related to smartphones and wearables also has a direct bearing on the miniaturization and high precision of MEMS. When the smartphone is in a tilted state, the orientation of the screen of the mobile phone will also change, and the used map app will still correctly mark the geographical location of the user. While walking, no matter how the activity is, the smart phone can also read out the actual amount of exercise of the user. These features all benefit from MEMS.
In recent years, MEMS sensors have been able to collect "height" information, which has also caused widespread concern. By adding altitude information to the location information, it is possible to navigate people at the height and specific location of the building. And even the movements resulting from going up and down the steps will be counted in the real amount of exercise. So, how to evaluate "height"? The key is to master the pressure difference. As we all know, air pressure decreases with height. According to calculations, the pressure on the summit of Mount Everest is only 30% of the ground. Not only at high altitudes, but also in daily life, we often come into contact with changes in air pressure caused by the very poor quality of air molecules. The ability to detect a slight difference in pressure compared to a vacuum is an absolute pressure sensor.
The world's highest level of absolute pressure sensor (Omron, January 12, 2016) 2.0mm x 2.5mm x 0.85mm, in the size of a nib, comes with an IC chip that can detect air pressure and achieve control. It can detect a pressure change of ± 0.6 Pa equivalent to a height of ±5 cm. The moving distance that people produce at each step of the up and down steps can be accurately detected.
The size of such a sophisticated and compact machine also reached the world's cutting-edge level.
Accumulate members from different domains through infinite combinations
For the developer, it is more difficult than it seems to be to make a machine capable of capturing subtle pressure changes in packages as small as 2 square millimeters.
Inside the package, a silicon film (diaphragm) suspended in a vacuum environment is installed to detect the change in air pressure generated by the outside air entering the diaphragm. In order to improve the detection accuracy of the sensor, the silicon diaphragm must be made as thin as possible so that it can generate a large deformation after feeling a slight pressure.
In addition, in order to improve the transmission accuracy in the circuit for processing electronic signals based on the change in the shape of the thin film, how to reduce noise has also become a major issue.
Even if these problems can be solved, the slight deformation of the shell caused by the temperature change due to the improvement of the sensor accuracy still exists.
How does an absolute pressure sensor structure map create a sensor that is sensitive and prevents pressure outside of air pressure? Members of Omron's development team discussed thoroughly from product materials to component parts to configuration optimization. Covering the lid of the IC chip, the wire connecting the sensor and the IC chip, and the adhesive material of the fixed part... The development team conducted countless combination tests in order to find the best material for each part.
“Our goal is to continuously improve sensor performance while achieving a balance between stable production and cost. We work with members of different professional fields and functions in product construction and materials, collect opinions, and continuously design and evaluate prototypes. In order to find the best configuration, the number of programs we tried was unbelievable when trying to achieve the target configuration,†Inoue recalled as the developer, “We even questioned the common sense learned so far and tried to adopt what was considered to be Impossible material. In this way, we have also grown together with resin material manufacturers." However, it is not easy to make prototypes. Assembling parts under 1 square millimeter requires fine adjustment in μm at this position, which requires the operator to have extremely high mounting technology. The key to breaking the difficulties is Omron's accumulated experience in the MEMS field after more than 20 years. "Omron has cumulatively produced more than one billion smartphones in smart phones and has advanced MEMS manufacturing technology. MEMS devices are difficult to assemble and require many debugging steps in production. However, by making full use of Omron's accumulated years of fine processing and packaging technology, Special techniques such as quality inspection make it possible to develop absolute pressure sensors,†said the developers.
The achievements that we enjoy today are not only successful but also constantly failing. By removing other possible pressure effects, the team eventually succeeded in developing a barometric pressure change that has a world-class level and can detect ±0.6Pa. Omron's MEMS is born out of a combination of 'inheritance of past technologies' and 'innovation of new technologies'. In just one and a half years after the launch of the project, the world's top level sensors were completed and released, thanks to Omron planning, development, technology, quality assurance and the efforts of all members of the business. This is not the result of one man's power, but the result of continuous challenges. Creating new sensors to provide society with new value is what every member thinks. Making MEMS from Expectation to Reality through Manufacturing
Absolute pressure sensors with a very small size and a high performance capable of detecting a pressure change of ±0.6 Pa will enable wider application in the future. For people standing, sitting, sleeping, falling and walking up and down the stairs, their movements and changes in position can all be detected, including precise height changes in three-dimensional space. Taking full advantage of absolute pressure sensors for motion and position determination, more and more applications will be developed, especially in smart phones and various wearable devices. “For example, I don’t know when the children who are lost in the mall are on the first few layers, or I’m unable to determine the specific location of the survivors who are waiting to be rescued in the event of a disaster. In these cases, MEMS can be used in indoor spaces where GPS signals cannot be reached. In addition, meticulously grasping the corresponding position can provide security and safety for theft prevention, child protection, and disaster relief. In addition, MEMS can also contribute to the health field. For example, a wearable device measures the distances generated by the upper and lower steps or ramps with high accuracy, and then calculates the related amount of exercise. We can believe that at the Tokyo Olympics in 2020, Omron MEMS absolute pressure sensors will be installed in innovative 3D navigation systems to guide visitors from all over the world.
“By detecting natural phenomena such as pressure, inertia, flow, temperature, sound and light, combined with Omron’s sensing technology and data, and converting it into valuable information, we can create a more convenient and unprecedented human "The product manager." said Mr. Anda, the project manager. "All members of the Omron team will work together to transform the future from expectation to reality through MEMS." What are the expectations for the future? The things that are expected to become a reality in the future must be very exciting. And these excitement will eventually become a reality, Omron will use its own technology to meet this time.
Genki Ippai 1.0 uses high-tech temperature control, food grade pod and high-quality material device. We also upgrade to type-C interface for charging faster. We have developed various flavors for Genki Ippai Pod Systems. Up to 11 flavors provide consumers with more choices. What's more, you can use other brand`s vape pen with our vape pod.
We offer low price, high quality Disposable E-Cigarette Vape Pen,Electronic Cigarettes Empty Vape Pen, E-cigarette Cartridge,Disposable Vape,E-cigarette Accessories,Disposable Vape Pen,Disposable Pod device,Vape Pods to all over the world.
GenkiIppai Pods 1.0,Pod Systems Vape And Smoke,Vape Pod System Device,Pod System Vape Kit,Pod System Mini Vape Pod
ZGAR INTERNATIONAL(HK)CO., LIMITED , https://www.szvape-pen.com