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2011年5月31日 星期二

The New Age of Semiconductor Devices and Microelectronics Manufacturing


Modern engineering has stepped up many levels since the introduction of electronics. Large and bulky machinery has been reduced to mere hand held devices. This has become a wide spread and innovative change in most areas of manufacturing. What is microelectronics manufacturing and how is it used in today's society?

Every time you use a cell phone or a hand held GPS device, you are using an end product made from the smarts of microelectronics. The small components used to manufacture devices like cell phones are made using a special and detailed process using semiconductor devices and thin films. These tiny parts are connected together on a circuit board that allows for consumer usage. Each board is specific to the end product.

Capacitors, transistors, resistors, and diodes are examples of commonly used microelectronic parts. These are vital to the inner workings of the electronic devices used every day all over the world. Without these tiny components, you would not be able to turn on and off your cell phone or video game. Without a resistor being present in your television, you could not control the volume.

Schooling for working in the field of microelectronics has become a big part of university studies. For those students interested in working Semiconductor Devices and the process of physical vapor deposition, knowledge about the intricate structure of the electronic device is required. Many silicon wafer suppliers and semiconductor companies have upgraded to using microelectronic technology and employees need the special knowledge required to implement processes correctly and efficiently.

Consider the importance of electronics in everyday life. Think about the doctors that rely on robotic hands for performing delicate operations and for monitoring patients during those same procedures. Many electronic devices are used for life saving procedures in the medical field. Without innovative microelectronic research, these types of devices would have never been founded. Many peoples lives depend on the biomedical device next to them in the hospital setting.

The manufacturing production of many products used every day depends on computers for swift and efficient movement. Assembly lines in plants using robotics depend wholly on computers. In each and every one of these computers are the workings of microelectronics on a motherboard. Cars, medical equipment, furniture, and even some clothing are examples of products made using newer and more technologically advanced methods that require microelectronics.

Financial and government data used to be kept on computer main frames that would fill a large warehouse. Thanks to microelectronics, that same data can be placed on tiny semiconductor devices that have much larger hard drive spaces. This data is superbly important to things like Social Security and tax refunds for citizens, so keeping it stored in a better way is a plus.

Microelectronics manufacturing using thin films is making headway and is also making life easier for everyone. Jobs that used to cost hundreds of thousands in shear man hours have been streamlined into very efficient and cost effective production methods. The technology and capabilities are exciting and seem to be limitless.








Jessica entered the Semiconductor Manufacturing field in 1998. Jessica has held positions at Integrated Micromachines and Xponent Photonics prior to founding Rogue Valley Microdevices, specializing in semiconductor devices and establishing it as one of the leading silicon wafer suppliers.


2011年4月6日 星期三

How to work the pressure sensors? -Important information on these devices is vital


This article offers some vital information to answer the question about "how pressure sensors work?" It also provided data on possible applications of pressure transducers. There are many applications of these devices, especially in the industrial setting, although they are also useful in monitoring the pressure in the tyres of cars. A common design for them, such as pressure sensors Keller, is one that makes use of Piezoresistive materials. These materials have the unusual feature that changes resistance correspondingly by force or pressure that is applied on them. These materials are the key element of the sensors, which is the sensing diaphragm. This diaphragm is designed so that its movement depends on the amount of pressure is applied. However, it is also common for people to investigate "as pressure sensors work?," because they realize that part of the systems to continuously monitor the pressure of the tyres.

For those who are inquiring "how pressure sensors work?" and I am also interested on mechanisms of tire pressure sensor, this is a type of technology that is designed for security. Warning to the driver in case of a low pressure. This type of system (TPMS) tire pressure monitoring was tasked by the National Highway Traffic Safety Administration for all vehicles that are sold after 2008. There are two categories for the TPM and these are the direct and indirect systems. The direct TPMS has installed for each tyre constantly monitor the pressure of tyre pressure transducers. However the PGT indirect calculates the air pressure in pneumatic measuring the other variables, including the tyre revolution per minute.

Can be of various kinds and include the differential gauge, Piezoresistive, air, digital pressure sensor and absolute vacuum. However, one of the most common projects using Piezoresistive materials, which means that the current is directly proportional to the applied pressure. The material is normally used is semiconductor Silicon. Several thin silicon wafers are placed in between protective materials.

So, how do pressure sensors work when they are applied in particular to ensure that the car tire pressure range correct? Well, there are two fundamental components of direct TPM and these are the radio transmitter for sending information to the computer of the vehicle and the pressure sensor is inserted inside the rim of the tire. Radio transmission is through the antenna of the car, which detects signals and then route them to the central control system. However, the indirect type of TPM, pressure transducers are not needed. The amount of pressure in the tires is estimated by determining the diameter of the tyre. In turn, the diameter of the tyre shall be calculated using the rotation speed as input. If the computer detects a bit faster rotation speed for one of the tires, warns the driver that this particular tire has a low air pressure, because it has a smaller diameter.








To learn more about the function of pressure sensors. Visit review of pressure sensors.