Directory Image
This website uses cookies to improve user experience. By using our website you consent to all cookies in accordance with our Privacy Policy.

Semiconductor Front-End Technology and Its Advantages

Author: Kensington Labs
by Kensington Labs
Posted: Jul 24, 2020

An integrated circuit is a tiny and sophisticated device that implements many electronic functions. There are two main parts of an integrated circuit: a small and very delicate silicon chip (die), and the second part is a package that is supposed to protect the internal silicon chip; apart from that, it provides users with a practical way of handling the component. There are a semiconductor front-end and back-end.

The Fabrication of a Semiconductor Device

The manufacturing stage of an integrated circuit can be divided into two steps. The very first step is wafer fabrication; this phase is astonishingly sophisticated, and apart from that, it is a very difficult process of manufacturing the silicon chip. The second phase is the assembly. Assembly is the highly accurate and automated process of packaging the die. These two phases are known as "Front-End" and "Back-End." They consolidate two test steps: wafer probing and final test.

Motion controllers are termed as the brains of any motion control system. In feedback-based systems, motion controllers get input from the user, and then the feedback is compared with the feedback signal of the motor, and then corrective action is performed to bring the input (or the desired position) and output (or actual position) in line with one another.

Motion controllers create trajectories, which are then followed by the motors for meeting the desired commands. Motion profiles or simply profiles perform a series of position commands versus time. Its work is to tell the motor where to place the load and how fast and quickly it must do so. Trajectories, which the motion controller creates, are used to produce the proper torque commands. These torque commands are sent to the drive, which powers the motor.

For all these actions, a huge amount of signal processing is needed. That is the reason why motion controllers utilize digital signal processors (DSPs) for this task. DSPs are assigned to do the work of completing mathematical operations effectively as well as quickly. The benefit of DSPs is that they can manage the algorithmic processing far better than standard microcontrollers. Standard microcontrollers are not designed to handle bulky amounts of mathematical processing.

Now coming on to motion profiles, there are many common motion profiles, including trapezoidal, triangular, ramp profiles, and complex polynomial profiles. There are different situations where each of the profiles is utilized as a different type of motion is needed, and these profiles help in that. For example, a trapezoidal profile is defined by constant velocity and acceleration, and a graph of the velocity versus time profile is in the shape of a trapezoid.

The systems that are mounted in one physical enclosure are the Stand-alone controllers. The physical enclosure includes all of the necessary external connections, electronics, and power supply. Stand-alone controllers can be made into a machine and are allocated to one motion control purpose that could involve controlling a single axis of motion or multiple axes of motion.

PC-based controllers are quite popular and are fixed onto the motherboard of an industrial PC or a basic PC. These controllers are essentially processing boards that may generate and execute motion profiles. PC-based controllers are helpful as they provide a ready-made graphical user interface that makes programming much easier.

Then comes individual microcontrollers. These are individual integrated circuits that are normally designed onto a printed circuit board and have feedback inputs and outputs to drivers for controlling a motor.

As we are progressing into the advanced era, semiconductor manufacturing competition is increasing, and industry players are looking for ways that make productivity improvements. Front-end fabs and back-end manufacturers have mostly focused on transformational improvement efforts on overall equipment effectiveness, labor-cost reduction (direct and indirect), and throughput increases, cost reductions, and material consumption, spending adjustments, and global-procurement.

In the digital era, devices are getting smaller and more sophisticated. Moore's law's effect, that is, the estimation that the amount of transistors in a given chip becomes twice every two years; this thing will remain unabated. Hence, in the semiconductor industry, there are uncertainties to yield because of process variability and contaminations, and these things are not slowing down; in fact, they are increasing. That is why it is so important to improve the design as well as machine capabilities continuously. And to do that, it is essential to gather the right for improvement initiatives, and gaining sustainable yield increases with the help of systemic improvements.

Kensington Labs work to improve the efficiency of businesses by providing unique solutions that make the work easier.

Kensington labs produce precision motion control stages and wafer handling robots and provide a lifetime of productivity, and it then supports them with outstanding service so that its clients don't face any problem in the quality. Wafer cassette mapping helps to save time. The Spares and Repairs programs of wafer handling robots and precision motion control stages help to maximize capital investment in equipment and its operating life.

Apart from an extensive range of guaranteed precision automation solutions for a far-reaching range of applications, Kensington Labs also offers automation problem-solving that helps in designing and creating customized stages and robotics for new or unique applications.
About the Author

Kensington Labs is one of the finest laboratories which selling the best products. The field with which Kensington Labs deals that is amazing, that builds wafer handling robots and precision motion control stage then supports them with exceptional.

Rate this Article
Leave a Comment
Author Thumbnail
I Agree:
Comment 
Pictures
Author: Kensington Labs

Kensington Labs

Member since: Jun 14, 2020
Published articles: 3

Related Articles