AOI Ensures Defect-free PCB Assemblies at BSU


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BSU, Inc. incorporates advanced Automated Optical Inspection (AOI) into build process for each and every Printed Circuit Board Assembly (PCBA) assembled at its manufacturing facility. “AOI capability ensures that our customer’s products are free of visible defects and thus are reliable and high quality,” states  Ahmad Chamseddine, President. “AOI uses machine vision to very quickly and accurately examine every assembly for surface defects, dimensional defects, and component placement errors. It enables us to ensure that the product is of high quality without any visible manufacturing defects.” AOI is an integral part of Printed Circuit Board Assembly (PCBA) at BSU Inc., a growing EMS company centrally located in Austin, Texas. 

AOI compares the assembled product to a “known good board” template that is trained into the machine. Then, the system inspects each PCBA in sequence, comparing templates for each and every device, and also performing other visual measurements. “Defect coverage includes all SMT and PTH parts down to 01005, part presence or absence verification, part polarity, part position and skew errors, wrong parts, and device differences including labels and color variations,” Chamseddine adds. “It’s an extremely fast and accurate process, and that ensures that our customers get their products on time and without defects.”

BSU Inc’s services include Prototyping, PCB Assembly, Engineering Design Services (EE, ME), High Mix Low to Medium Volume production, Mechanical, Electrical, Cabling and SW/FW programming, Board and Functional Testing, and Global supply chain services, to name a few. In addition to PCBA assembly, BSU also offers box build services, wiring harness assembly, complex and simple cables and mechanical components assembly. BSU Inc’s customers span multiple industries including industrial, IoT, military and high reliability, entertainment, healthcare, education, energy and communications, to name a few.

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