In the booming era of electric vehicles (EVs) and smart devices, Flexible Printed Circuits (FPCs) have become an irreplaceable “nervous system”. With their thin, lightweight, and bendable characteristics, FPCs are densely applied in automotive LED light clusters, lithium batteries, high-end cameras, and foldable screens. However, inspecting solder joint quality on FPCs has always been a major headache for SMT engineers. Flexible boards deform easily, and the solder joints of BGA, LGA, QFN components or nickel plating layers are hidden beneath complex structures.

To completely solve this challenge, the top optimization solution today is implementing the Automatic Inline FPC X-ray Inspection Machine XL6500F from Seamark ZM, distributed and technically supported by Maxlab Equipment. This is a giant leap forward that helps PCBA factories eliminate escape defects entirely and raise the shipment yield rate to an absolute level.

An Automatic Inline FPC X-ray Inspection Machine is an advanced X-ray imaging device designed to be installed directly into SMT production conveyors. Unlike traditional Offline X-ray machines (which require operators to manually take samples to a lab), the Inline system operates 100% automatically.

The equipment automatically receives boards from the upstream conveyor, scans barcodes, locates coordinates using a laser system, conducts penetrating X-ray imaging, and utilizes AI algorithms to analyze defects and classify Pass/Fail boards immediately without interrupting the production cycle (Takt time).

The XL6500F model provided by Maxlab Equipment possesses outstanding hardware specifications, tailor-made for the strict standards of the automotive and aerospace electronics industries:

No longer dependent on subjective human sight, the Automatic Inline FPC X-ray Inspection Machine XL6500F integrates proprietary Artificial Intelligence (AI). The system automatically calculates the voiding ratio in BGA/LGA solder joints, automatically detecting common defects such as insufficient solder, solder bridging causing short circuits, non-wetting, or component misalignment. When a defect exceeds the set threshold, the machine immediately sends an alarm signal or isolates the defective product to a separate reject conveyor.

Flexible FPC boards often have curved structures or components distributed on both sides. If imaged straight down (2D), solder balls will overlap each other, making it very difficult to detect open joint defects. The XL6500F completely solves this issue thanks to a synchronized tilting mechanism of both the X-ray tube and the FPD detector from 0° to 60°. This flexible 2.5D scanning angle allows viewing through the oblique angles of components, exposing all hidden defects in the most obscured corners.

The equipment allows engineers to capture a global color photograph of the board to create a Navigation Map. From this photo, you simply select the components that need inspection, and the machine automatically programs the CNC driving coordinates. During production, as the conveyor feeds the boards in, the high-speed linear motor system moves the X-ray camera to the designated inspection points extremely fast, ensuring compliance with the factory’s mass production schedule.

If your factory is processing high-quality PCBA products, especially automotive electronics, equipping an Automatic Inline FPC X-ray Inspection Machine is a strategic move that brings massive economic benefits:

Investing in an Automatic Inline FPC X-ray Inspection Machine system requires a large budget and high operational technical expertise. Therefore, choosing a reputable local partner is a decisive factor for success.

Maxlab Equipment is proud to be the pioneer distributing the genuine Seamark ZM XL6500F X-ray Inline product line in the Vietnamese market. When choosing Maxlab Equipment, customers will receive outstanding values:

To receive a detailed quote, SMT line inspection, and advice on the most optimal configuration solution for your factory, contact Maxlab Equipment today!