Five Common Mistakes with Semiconductor Wafer Measurement GalleryFive Common Mistakes with Semiconductor Wafer Measurement
Application Notes-MTI, Brand-MTI, Industry-Compliance Testing, Industry-Consumer Products, Industry-Electronics, Industry-Manufacturing, Industry-Semiconductor, Industry-Semiconductor-MTI, Z-REPUB, z1
Five Common Mistakes with Semiconductor Wafer Measurement
Semiconductor wafer measurement requires a high degree of precision. The right metrology equipment and inspection processes are important, but so is procedural consistency and attention to detail. If you’re not getting the results you want, it’s time to look beyond the measurements. With bare semiconductor wafers, users need to avoid these five common mistakes. Mistake #1 | Turning the Device Off Most users turn on metrology devices only when it’s time to use them. As soon as semiconductor wafer measurement is complete, the devices are turned off. This reduces electricity consumption but also introduces thermal instability that can cause [...]
Capacitance Probes: Five Things You Need to Know
Capacitance probes are non-contact measurement devices with a capacitance sensor inside a protective shell or housing. They use cables and connectors to integrate with amplifiers and are an important part of capacitance measurement systems. By using capacitance, engineers can measure physical parameters such as vibration, pressure, liquid levels, metal contamination, and seismic activity – just to name a few. There’s a lot to know about capacitance probes, but five key facts to understand. Capacitance probes are highly accurate and very stable. They’re better than older devices and competing technologies. They require little calibration and support miniaturization and embedding. They [...]
Capacitance Sensors: Three Things You Need to Know
Capacitance sensors are precision measurement tools for process automation, quality control, and tool automation control. They’re used in a many different industries and are suitable for virtually any application where accuracy is paramount. There’s a lot to know about capacitive sensors (as they’re sometimes called), but engineers need to start with three key questions. What are the parameters to specify when selecting a capacitance sensor? What are factors to consider when embedding a capacitive sensor in an industrial application? What is the future of capacitance-based measurement products? MTI Instruments has been providing U.S.-made capacitance sensor systems for over 50 [...]
How to Implement a Complete Digital Closed Loop Control System
Co-authored by Don Welch, Director of Engineering and Business Development Cory Bufi, Software Engineer Isaac Abbott,Product Innovation Engineer – PBS Group Request Whitepaper Today’s electronic designs often call for reasonably fast and precise positioning of miniature components for process deposition elements such as ink jet nozzles, 3D printing elements etc. And as process control moves from mm positioning to micron to sub-micron positioning it becomes necessary to monitor and control positioning actuators such as piezo flexure stage and voice coil motors. Open loop control of the positioning stage may have been adequate in non-precision applications but piezo electric [...]
Fiber Optic Sensors Help Stop Subway Shutdown
Fiber optic sensors will help keep commuters moving between Manhattan and Brooklyn this year and beyond. Recently, New York Governor Andrew Cuomo announced that New York City’s Metropolitan Transit Authority (MTA) would not close the L train tunnel for a planned 15-month repair project. Instead, the MTA will use technology-driven solutions to keep the tunnel open and operational for weekday riders. In a joint statement, a panel that included engineering experts from Columbia and Cornell explained that "The L Train Tunnel project gives us the opportunity to integrate technologies and methods that have never been used before in a [...]
3D Integrated Circuits Use Capacitive Sensing to Ensure Coplanarity Gallery3D Integrated Circuits Use Capacitive Sensing to Ensure Coplanarity
Application Notes-MTI, Brand-MTI, Industry-Consumer Products, Industry-Electronics, Industry-Manufacturing, Industry-Semiconductor, Industry-Semiconductor-MTI, Industry-Sensors, Z-REPUB, z1
3D Integrated Circuits Use Capacitive Sensing to Ensure Coplanarity
Three-dimensional (3D) integrated circuits (ICs) feature silicon wafers and dies that are stacked vertically for improved device performance. By using the Z-axis, 3D ICs can overcome the power and footprint limitations associated with two-dimensional (2D) integrated circuits. Yet 3D ICs need coplanar surfaces to contact all of the pads, pins, and pillars. To determine coplanarity, semiconductor manufacturers measure the angle and gap between two planes. Bonding tool actuators use these measurements to adjust components and ensure that all device pins and solder balls reside on the same geometric plane. This process, active parallelism compensation, promotes proper bonding without residual [...]
Oiling System Uses Capacitive Sensing to Detect Water Contamination
Water contamination can reduce the life of lubricants and increase the frequency of maintenance and repairs. If corrective action isn’t taken before an out-of-limit incident occurs, operational costs can escalate. When unplanned maintenance disrupts operations, productivity suffers and technicians may focus on a quick fix instead of the root cause. To detect water contamination in oil systems, in-line capacitance probes can be used. These flexible, off-the-shelf devices provide automatic and continuous monitoring. Yet checking moisture levels isn’t just about enhancing reliability or eliminating corrosion. In-line capacitance probes improve operations by supporting a proactive approach to maintenance. How In-Line Capacitance [...]
Offshore Wind Supply Chain Uses MTI Capacitance Sensors
Capacitance sensors from MTI Instruments are an important part of the supply chain for offshore wind (OSW) in New York State. According to a recent report from the Center for Economic Growth (CEG), New York’s Capital Region is home to MTI Instruments and dozens of other manufacturers who support this growing form of wind power. The Capital Region also offers essential infrastructure for OSW. As the CEG report explains, the New York State Energy Research Development Authority (NYSERDA) has assessed 54 waterfront sites for OSW-related projects such as component staging, manufacturing, and fabrication. Two of the most promising sites [...]
Measurements Using Capacitive Sensors
Precise Measurements Using Capacitive Sensors Capacitive sensors can be divided into two categories based upon their performance and intended use. High resolution sensors are typically used in displacement and position monitoring applications where high accuracy, stability and low temperature drift are required. Quite frequently these sensors are used in process monitoring and closed-loop feedback control systems. Proximity type capacitive sensors are much less expensive and are typically used to detect the presence of a part or used in counting applications. Applications Position Sensing General positioning is probably the most [...]
TSC-4800A: Tachometer Signal Conditioner System
TSC-4800A: Tachometer Signal Conditioner System Programmable tachometer conditioner for engine monitoring and testing systems The state of the art speed resolver/signal conditioning unit capable of working with all types of engine speed signals. Whether you are testing engines with a long tooth or short tooth embedded N1 signal, if you have engines with older high-voltage tachometer generators, or if you are testing engines with the new offset tooth design, the TSC-4800A will condition all of these types of signals. Download Brochure About TSC-4800A Tachometer Signal Conditioner System Programmable tachometer [...]