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Technical Memo

Laser soldering, a new soldering method which is expected to replace the wave soldering and reflow soldering is receiving more attention. Laser soldering is a "local heating" which

Computer units in the automobile are exposed to both high and low temperature. Consequently, solder joints experience repeated stress from expansion and contraction due to the diff

Demand for low-cost materials in the market can lead to poor-quality electrical components and PCBs in deteriorated condition. These components and PCBs tend to build up thick oxid

Preface Koki has been providing “Defect Analysis Service” to determine the root cause of the various defects experienced by our valued customers upon request as a part of custo

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