Digital Capacitance Sensor Provides Closed-Loop Piezo Positioning Control
Digital Capacitance Sensor Provides Closed-Loop Piezo Positioning Control Consumer Electronics, Industrial Closed-Loop Piezo Positioning Control Positioning, Robot Guide Description [Application Note 40418] 21st century electronic manufacturing requires fast, precise positioning of miniature components. For many assembly lines, process control has moved from mm to micron, or even sub-micron, accuracy. Keeping pace with the demand for greater precision requires piezoelectric positioning actuators and/or voice coil motors with closed-loop feedback control. Challenge Traditionally, analog feedback from capacitance sensors has enabled the closed-loop control of conventional positioning stages. Harnessing the extreme accuracies achievable [...]
Signal Generator Calibrates Strain Gauge Electronics
Signal Generator Calibrates Strain Gauge Electronics Industrial, Automotive, Transportation, Research & Development, Civil Engineering Calibration of Strain Gauge Electronics Amplitude; Bending, Tensile & Compression Description [Application Note 31218] The strain gauge has been in use many years and is the fundamental sensing element for many types of sensors, including pressure sensors, load cells, torque sensors, and position sensors. The majority of strain gauges are metallic foil types, available in a wide choice of shapes and sizes to suit a variety of applications. Foil type strain gauges feature a pattern or [...]
Signal Generator Simulates Eddy Current Probe
Signal Generator Simulates Eddy Current Probe Industrial, Power Generation, Automotive, Power Generation, R& D, Solar Simulation of Eddy Current Probe Gap, Amplitude, Displacement, Positioning, Thickness Description [Application Note 31218] Non-contact eddy current probes can be used to measure the position, or position change, of conductive targets in real time. Typical monitoring applications include shaft runout and/or vibration. Probe setup requires an oscillator demodulator circuit. This circuit converts the probe’s magnetic field readings into output voltages proportional to the gap between probe and target. Portal signal conditioning electronics are then used [...]
Capacitance Sensors Facilitate 3D IC Construction
Capacitance Sensors Facilitate 3D IC Construction Semiconductor, Research & Development 3D IC Construction Distance, Positioning, Displacement Description [Application Note 70518] To boost device performance, today's semiconductor and microelectronics manufacturers are building three-dimensional integrated circuits featuring vertically-stacked silicon wafers and dies. The rationale is simple. Exploiting the Z-axis avoids the power and footprint penalties associated with two-dimensional processes. Implementing the rationale, however, is not so simple. Going vertical requires coplanar surfaces to make contact with all pins, pads, and pillars. Problem Typically, manufacturers measure the angle and gap between two planes [...]
Adding a Digital Panel Meter to MTI Analog Output Products
Adding a Digital Panel Meter to MTI Analog Output Products Consumer Electronics Electronics Parts Profiling Thickness Description Some MTI Products with Analog outputs, Accumeasure 9000 and Microtrak 3 laser  How To Use Digital Displays with Analog Outputs MTI Microtrak 3 Lasers and some of our Accumeasure amplifiers such as the Accumeasure 9000 only have analog outputs. If you wish to add a digital display, then the Lascar Panel pilot © makes a nice cost effective (~ $110) addition - Fig 1. These Digital panel meters have both 1 & [...]
About GaGe
About GaGe GaGe, a Vitrek brand established in 1987, is a US-based producer of high-speed data acquisition solutions. It features a portfolio of the highest-performance digitizers renowned for sustaining the maximum effective number of bits (ENOB) over a wide signal frequency range. Additional advantages include quality signal conditioning and signal fidelity features, PC oscilloscope software, and powerful SDKs for custom application development used in applications for signal analysis, lidar, ultrasound imaging and non-destructive testing, communications, particle physics, mass spectroscopy, and more. GaGe brand products include solutions previously available from Signatec and KineticSystems. GaGe’s product offering includes [...]
Thickness Gauge Measurement With Conductive Wafers and Thin Films
Thickness Gauge Measurement With Conductive Wafers and Thin Films Consumer Electronics Electronics Parts Profiling Thickness Description Using MTI's capacitive thickness gauge Proforma 300i with conductive wafers and thin films G = (a+b+t1+t2 ) Where G is the fixed gap between two probes When making the thickness measurement t2 can appear as t2 (film thickness) when it is a conductor, or 0 thickness when t2 is just air. So t2 will vary between the actual film thickness t2 if it's a conductor all the way down to 0 thickness if the [...]
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Measuring Piezoelectric Properties with Fiber Optics
Measuring Piezoelectric Properties with Fiber Optics Research & Development Piezoceramic, 1-3 Pzt / Polymer Composite And Pvdf Film Amplitude Description Figure 4: Fiber Optic MTI 2100 Fotonic Sensor Introduction Researchers from the University of Arizona used the MTI-2000 Fotonic Sensor to measure the indirect piezoelectric properties (d33) and strain of bulk ferroelectric and thin film samples. The team then correlated these results with data acquired from direct piezoelectric effect measurement. By comparing data sets, the researchers concluded that the MTI-2000 provides a useful optical technique for measuring the [...]
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