Applications
Manufacturing

Electronics Manufacturing

Overview

With the evolution and diversification of electronic devices, the manufacturing processes for the electronic components and boards for such devices are becoming more precise and more complex. Taking circuit boards as an example, as the wiring pattern and mounting components become finer, reduction of manufacturing lead time is requested, despite the manufacturing process itself becomes complicated. At the same time, stringent quality control is also required. Image sensors play an important role in such manufacturing and inspection processes.

Applications

Mounters

Accurate positioning is performed when mounting electronic components on boards. The need for higher resolution to support the miniaturization of parts, and higher-speed processing to cover an increasing number of parts are the key issues in the industries. Global shutter image sensors equipped with high-speed, high-resolution Pregius/ Pregius S technology make it possible to significantly reduce the mounting time and improve the accuracy of fine components.

Mounters

Board inspections

In recent years, as the components become finer, there is an increasing need to inspect mounted components at high speed and with high resolution. Global shutter image sensors are utilized to meet such needs. Moreover, it is expected that polarization image sensors that utilize the degree of polarization can be applied to the inspection of coatings to prevent dew condensation on solder and boards used outdoors.

Board inspections

Mounting inspections

Mounting inspections are one of the minute electronic device manufacturing processes. They are to check whether the appropriate chips are in the correct positions in the picking work of the LSI chips. In addition to using high-speed, high-resolution global shutter image sensors, it is also possible to use polarization image sensors that check the mounting status based on the difference in the degree of polarization.

Mounting inspections

Visual inspections

Visual inspection by image sensors is widespread for in areas that cannot be detected by the naked eye. Global shutter image sensors are widely used for the inspection of subjects moving at high speeds, and in cases where inspection equipment miniaturization is required. On the other hand, with inspections which place emphasis on low-noise high-image quality, rolling shutter image sensors are widely used. Polarization image sensors are used in applications such as inspecting for scratches on smartphone cover glass. They can also detect only scratches by distinguishing between scratches and stains. Moreover, event-based vision sensors can also be used for applications such as scratch and dust inspection based on an entirely different principle.

Visual inspections

Device abnormality detection

Event-based vision sensors are capable of detecting and tracking objects moving at high speed. Since they can detect even slight abnormalities in behavior and image it with light data without delay, they are expected to be used for detecting abnormalities in equipment. In combination with machine learning, they can be applied to anomaly detection systems.

Device abnormality detection

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