• PCA

Printed Circuit Board Assembly (PCA)

A high-yielding PCA process eliminates latent manufacturing induced defects that can result in field failures and reliability issues. Paramit’s PCB assembly processes are based on a zero-defect culture, using systems designed to provide a no-defect yield. We use industry leading verification equipment to control critical processes and ensure defects don’t travel down the line.

PCA Process Validation

Paramit performs process validation on every PCA we build, whether it’s a standalone product or part of a complex system we manufacture. We thoroughly document the validation process and maintain records that are available to both clients and the FDA.

Best-in-Class PCAs

Our rigorous methods and technical staff contribute to Paramit’s best-in-class PCA operation which results in less than 10 defects per million opportunities (DPMO).

  • New Product Introduction (NPI). Our NPI process includes a Design for Manufacturability (DFM) review to ensure PCAs are designed for optimum yield before they move into a production environment.
  • Stop-on-defect policy and closed-loop work cells. These strategies prevent products with failures from moving down the line until the cause of defect is resolved.
  • Inline inspection. We inspect 100% of the PCAs we build for solder deposition with a 3D volumetric solder paste system and a post-reflow automated optical inspection. During NPI, we also perform a Design of Experiment (DOE) to design the optimum stencil for screen printing and to determine the solder-paste screen printer settings for ideal solder deposition.
  • Offline inspection. We verify 100% of the PCAs we build for BGA (ball grid array) solder joints using an automated x-ray (5DX) inspection system. This inspection lets us evaluate the integrity of any hidden solder joints, increasing the opportunities for long term reliability.
  • In-Circuit Testing (ICT). ICT verifies the electrical integrity of every PCA using high-end, custom solutions developed by our experienced Test Engineering group.
  • Functional test. Our manufacturing engineers have product development backgrounds and experience in complex issues in test development, troubleshooting, and root cause analysis.

Questions to Ask Before Hiring a PCA Contract Manufacturer

Paramit has developed effective methodologies and techniques for reducing defects during the PCA build process. We’ve generated a Top Ten Questions to Ask Your PCA Contract Manufacturer list that reveals a CM’s ability to consistently produce PCAs that meet specifications and function properly in the field. We encourage you to discuss these questions with us and any other contract manufacturers you’re evaluating.

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