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Position Synchronized Output (PSO) – Coordinate Part Position with Process Control

Design Features Trigger your process tool based on distance traveled, avoiding trigger errors based on acceleration, deceleration, or any other velocity instability Integrates well with fast-pulsed lasers, enabling next-generation display and medical device manufacturing Includes versatile, process-enhancing features Aerotech’s Position Synchronized Output (PSO) feature coordinates your motion with output that triggers lasers or data acquisition…

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Enhanced Tracking Control (ETC)

Aerotech’s unique Enhanced Tracking Control (ETC) feature improves move-and-settle times in point-to-point positioning and reduces tracking errors during contoured motion. It is available on all Aerotech controllers (A3200, Ensemble® and Soloist®) including our Nmark® CLS high-performance galvo controller. The Enhanced Tracking Control algorithm works in parallel with a conventional Proportional-Integral-Derivative (PID) control architecture and increases the…

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Estimating Combined Servo and Galvo Motion Accuracy

In modern motion control systems, the primary figure of merit is often the global accuracy that may be achieved on the workpiece surface. However, when configuring the motion control architecture for more advanced features, such as Infinite Field of View (IFOV), characterizing each element of the systemic errors can be very challenging. This white paper…

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Advanced Motion Control Optimizes Laser Micro-Drilling

In micro-drilling process equipment, the most popular ways to create microvias (blind or buried vias with a diameter ≤150 µm) are mechanical drilling and laser drilling. Mechanical drilling is mainly used in larger apertures such as PCBs or IC substrates. Laser drilling is mainly used in finer apertures such as silicon wafers, ceramic substrates, and…

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Using the Galvo Calibration File Converter with the Nmark GCL

Calibrating the field of view for scanners is typically an iterative process where a series of marks are placed on a substrate and the location of these marks is used to create a calibration file, and the process is repeated to reach final system accuracy. Each iteration of the mark and measure sequence must combine…

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Aerotech’s EasyTune Advanced Autotuning Tool

When a user finds that the accuracy of a motion control application is low, such as unacceptable following error due to friction, low frequency disturbance, etc., they will normally first increase the servo loop gains to reduce the following error. Unfortunately, this “quick fix” can result in excess gains that make the system unstable. In…

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Customized Relationships and Coordinated Motion with StatusGetAxisItemFast()

Many applications require custom coordinated relationships between a system parameter or ancillary motion equipment and the motion of the primary machine mechanics. Likewise, it is common to need custom kinematic transformations between a virtual programming coordinate frame and that of the real mechanics. Aerotech’s AeroScript programming language includes the StatusGetAxisItemFast() function as an ideal tool…

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How to Select Optimal Positioning Equipment for Laser Direct-Write Processes

Choosing the optimal automation equipment for a given process requires a thorough understanding of the process parameters and the effects of positioning errors on the results. Recent advances in laser direct-write applications provide an excellent example of selecting the optimal positioning equipment based on process parameters. In general, the laser direct-write process consists of a…

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