We have extensive experience in technical solutions for functional testing, in accordance with all international standards for the electronic industry. This is part of our Design for Testing (DFT) strategy. This way, all faults discovered during the first phases of production or in case of developing a prototype lead to optimizing the layout and lowering the costs of production, through preventing potential problems occured at running.

Our complex technical evaluations are based on the following factors: design requirements, testing requirements, types of components, level of complexity of the product, the process of manufacturing, the age of the product and the complications brought by it.

Automated Optical Inspection – AOI
Carried out immediately after the assembly of components on the PCB, the automated optical inspection allows for:

  • Quickly and accurately identifying faults in the quality of boards during early stages: lack or wrong placement of components, quality issues regarding the volume and shape of solders, short-circuits between finepitch component pins, etc.; with the help of OCR (optical character recognition) function, codes displayed by components can be recognised, thus ensuring that components or certain value or type are placed at the right location. This has a significant cost-related importance, especially when small components are present, where a possible rework PCB or replacement would require significant time and costs.
  • Error detection – detecting errors in the solder printing, component placing and soldering within the reflow oven process. Insufficient or excess solder on components can be detected, which can be corrected by choosing a different stencil thickness or building a variable thickness stencil (recess stencil). Analysing the shape of soldering can determine the choice of a different oven temperature profile or soldering times.

Functional testing

We offer customized functional testing using our own software as well rack & stack hardware solutions. Our services include consultancy and assistance, especially in the early phases of product development, in order to evaluate the testability. We also offer you software development for functional testing, if needed for testing procedures within your laboratory anytime you want.

Functional testing elements

  • Test fixture: We produce testing adaptors with a bed of nails, which are manufactured for each type of PCB board separately.
  • Software: testing softwares are developed by us, for controlling the testing system and improving functional testing capabilities.
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