Inspection

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PCB Inspection Services

With technological advancement, more complex PCBs are being produced in the market. To check those circuits many new techniques are now used to employ any defects or faults in the PCBs. Absolute Electronics services provide competitive and efficient PCB Inspection Services for inspecting the PCB board Assembly of the customers. Absolute Electronics Services can provide various kinds of inspection for PCB Assembly, whether it is for the manufacturer who is unable to perform any inspection or for any design dispute between two parties.  

PCB Inspection Services can take various optical forms. With the help of a very high velocity automated machinery, automated optical inspection PCB can be obtained. For small inspecting area or Through holes’ assembly area manual optical inspection is sufficient for checking any anomaly. X-Ray is also used for in the inspection services for checking any complex components anomaly in the circuit. X-Ray PCB Inspection Services is also used for resolving any dispute between the buyer and the manufacturer.

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What do you mean by PCB Inspection services?

Printed Circuit Board Inspection and testing is an important step in the manufacturing process of PCB manufacturing. This inspection process enables the users to detect various faults and defects soon after manufacturing any electronic PCB. This step is necessary for every electronic PCB, whether it is a small scale project or it is a big scale project.

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Different types of PCB Inspection services

In the early periods, all the PCBs that are manufactured are inspected manually. But later it was detected many faults are not possible to detect by normal eyes and passed on to the next stage of the production. To avoid this situation new methods were adopted. Mentioned below are some of the Printed Circuit Board Inspection types that used for this purpose.  

Automated optical inspection (AOI)

Automated optical inspection PCB relies on various light sources, cameras and some programmable LED as light sources to shine on the solder joints take some photos. Under the bright lights, solder and lead joints act as a reflective surface and reflect most of the light. The intensity of the light reflected by the joints determines if the joint is done properly or not

Automated optical inspection (AOI)

PCB X-Ray Inspection service is the most widely used inspection service for detecting any faults. X-RAY imaging is used as an analytical tool for the process of SMT PCB manufacturing. This is used for inspecting various packages like BGAs, CGAs, LGAs, and CSPs. With the help of PCB X-Ray Inspection service, it can be checked if the PCB is manufactured within the acceptance criteria of the industries. Some anomalies’ that can be detected by this inspection includes Voids, Bridging, Shorts, insufficient, and excess. This method is very useful for the complex BGA (Ball Grid Array) designs.

Manual Inspection

This step can be used for Printed Circuit Board Inspection during the assembly process. The equipment selected for the visual inspection is selected on the basis of the inspection target. Through this inspection PCB and its components along with its assembly are also checked thoroughly. This is the most cost-effective inspection.

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Benefits of using AXI and AOI

By using this service have two main benefits.

  1. For detecting high light manufacturing defects, both AXI & AOI are used. By detecting these detect, the manufacturer can correct the defects before passing them to the next stage.
  2. Another main function of these inspections is to gain useful feedback. This feedback can be used in the manufacturing process for further improving and avoiding mistakes.  

From the above points, one can notice that PCB Inspection Services are really necessary for improving the quality of the PCB. By using these services not only various faults but important feedbacks are also gained which improves the quality of the PCB production in the future.