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Good News: The GOI trademark for Xinghe Taishi Te has been officially announced as registered.
GOI (General Optical Inspection), a machine vision inspection software platform independently developed by Beijing Xinghe Taishite Technology Co., Ltd., seamlessly integrates Functional Circuit Testing (FCT) and Automated Optical Inspection (AOI). Positioned as "universal + user-friendly," this "Universal Inspection Platform Software" is designed specifically for end-users, enabling immediate deployment without the need for secondary development—simply plug it in and start using it right away.
2019-01-04
A boon for the automation industry! — Xinghe Technology’s free version of visual software is now live!!!
2018-03-01
Introduction to the Measurement Features of GOI, a Machine Vision Product
Our GOI system description mentions that it can measure dimensions, shapes, distances, and sizes—but can it also be used like calipers to precisely determine the dimensions and positional coordinates of parts? On the GOI, measurements of size and distance are calculated in pixel units. Once the resolution is clearly defined, we can accurately calculate the actual dimensions of the part. It’s important to note that when a camera captures a 3D object as a 2D image, measuring objects that aren’t perfectly flat becomes challenging. Similarly, using short-focus lenses may introduce inaccuracies, especially at the edges of the captured image. At its core, the image captured by the camera already represents a coordinate plane, with each point’s position relative to the origin precisely determined. And given the resolution, the exact coordinates of every point on that plane can be accurately mapped. The GOI’s measurement capabilities are similar to AOI’s measurement algorithms, but they cover a broader range of measurement tasks. Detailed descriptions of these measurement features can be found in the system’s comprehensive user manual.
2015-11-13
Can AOI automated optical inspection equipment replace ICT?
1. Differences in Detection Principles: ICT (In-Circuit Tester) functions like a powerful, multi-purpose digital multimeter. It primarily relies on test probes that make contact with the test points laid out on the PCB to detect open circuits, short circuits, and verify the soldering status of all components. The testing process includes open-circuit checks, short-circuit tests, resistance measurements, capacitance tests, diode tests, transistor tests, field-effect transistor tests, and IC pin inspections. Additionally, it can identify common and specialized component issues such as missing parts, misaligned components, incorrect parameter values, solder bridging, and open/short circuits on the circuit board—precisely pinpointing which component is faulty or exactly where the open/short occurred. On the other hand, AOI detects SMT components by simulating a manual visual inspection performed by workers. This process uses a ring-shaped, tower-like illumination system equipped with tri-color LED lights—red (R), green (G), and blue (B)—to evenly light up the PCB from multiple angles. When these colored lights combine, they produce white light (W), which is directed onto the PCB to provide 360-degree, comprehensive illumination of the components being tested. By analyzing the reflections—whether specular, diffuse, or grazing—AOI captures distinct color information from the component body, solder joints, and pads, enabling accurate identification of defects.
What items can AOI optical inspection equipment detect in the PCB industry?
PCB bare boards come in single-sided, double-sided, and multilayer versions. For single- and double-sided boards, automated optical inspection systems are widely available on the market. Theoretically, our equipment can handle inspections for both single- and double-sided boards. However, when it comes to multilayer boards, we’re currently at a loss. First, let’s clarify what we can actually inspect in the PCB bare board industry: 1. In the PCB bare board sector, the typical requirement is to detect open and short circuits in the board’s wiring—this process is similar to our ICT testing, focusing solely on identifying open or shorted connections. Some high-end applications even include impedance testing. That said, this industry usually relies on dedicated ICT systems, which, while technically straightforward, involve a massive number of test points—often around 10,000 points. 2. For PCB bare boards using copper-clad laminates or solder-plating processes, the key concern is ensuring that copper or tin foils don’t inadvertently bridge into areas coated with green oil, causing shorts. This issue can be effectively addressed using AOI (Automated Optical Inspection) systems. 3. Additionally, PCB bare boards often feature numerous component sockets, slots, and other intricate features, many of which have tight dimensional tolerances. To verify whether these components fall within the specified tolerances, our AOI systems are perfectly suited for performing precise dimension measurements.
Successful Case Study of the Functional Tester
At our company, our FCT can test everything from the internal control systems of missiles to the functionality of individual IC components—no component is too small or too complex. The primary function of our FCT is to measure critical electrical parameters of circuit boards when they’re either operating in their actual working state or simulating real-world conditions. These include voltage, current, waveforms, frequency, phase, and more. Essentially, if a device’s technical specifications can be measured using standard instruments, our FCT is equipped to test it—by seamlessly integrating the necessary tools directly into our FCT platform. This versatile testing solution is ideal for applications across industries such as aerospace, defense, automotive electronics, consumer appliances, railway systems, and virtually any field where functional testing is required.
