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At DERF, our goal is to establish a long-term relationship with each of our customers. That’s why Quality Assurance is so important to us.

We have spent years developing procedures that address a complete range of quality concerns. From the quality assurance checks performed on the all the product we receive, through our state-of-the-art packing and shipping process, we guarantee that only the best gets delivered to our customers.

Our in-house technology and equipment includes:

  • Nisene Technology JetEtch II Acid Decapsulator
  • 2 NIKON OPTIPHOT Brightfield / Darkfield Microscopes
  • Keyence 7000 VHX Microscope
  • FocalSpot Verifier Component Inspection System

We have the in-house capability to perform:

  • Detailed external visual inspection with state-of-the art digital microscopy
  • XRF lead finish evaluation
  • Reel-to-reel digital radiological (x-ray) imaging and inspection
  • Solvent test for remarking
  • Solvent test for resurfacing
  • Delid/decapsulation internal physical analysis
electronics quality assurance

Inspection procedures include:

All incoming product is put through a rigorous inventory inspection process before being added to our listed stock.

  • Experienced inspectors, averaging 10 years tenure with DERF
  • On-staff component engineers
  • Rigorous inspections to determine product conformity to manufacturers’ specifications
  • Products that are substandard are rejected and quarantined


Our state-of-the-art warehouse is maintained to the highest standards:

  • Climate controlled
  • ESD certified fulfillment
  • EAR/ITAR compliant
  • Computer controlled inventory location and tracking system

Product Packaging and Shipping

Our experienced shipping department has been trained in packing techniques that meet and exceed industry standards.

  • Moisture controlled, anti-static protective packaging
  • When applicable, we preserve original manufacturer sealed packaging
  • Outbound shipments occur every weekday with United Parcel Service, FedEx and DHL for global delivery.


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