wide variety

product & services

technologies / equipment

A full range of services needed while PCBs and PCBAs manufacturing for the complete implementation of your technological solutions.

A-CONTRACT Offers

1. Full range of EMS services

2. Printed circuit boards of any level of complexity

  • DFM analysis
  • PCB data processing for pre-production engineering
  • PCB design and redesign
  • PCBs of up to 40 layers
  • RF / Microwave PCBs
  • Impedance control
  • PCB manufacturing using lead-free and mixed technologies
  • Prototype PCB production
  • Mass production of PCBs of any complexity
  • Cleaning
  • Laser marking of PCBs
  • Conformal coating

3. PCB assembly

  • Surface mounting stencil design
  • PCB SMT and THT assembly
  • PCB PoP and BGA, PGA, LGA etc. assembly
  • Reflow soldering in convection and vapor-phase ovens, selective soldering, hand mounting
  • PCB assembly using both non-lead-free lead-free technologies
  • Assembly of components from size 030015 to 200x125mm
  • BGA, µBGA, Flip Chip, CSP, TQFP and Fine pitch package assembly and reworking
  • BGA reballing
  • Mass production of SHF PCBAs
  • PCBA cleaning
  • PCBA conformal coating. Selective automatic conformal coating
  • All types of PCBA testing, inspection and control
    • visual and automated optical inspection
    • stencil printing process control
    • X-ray inspection
    • in-circuit testing (ICT)
    • functional control and boundary scan JTAG
  • Design and manufacture of stands for functional control
  • PCBA testing
  • Box build
  • Traceability at all stages of production

4. Multi-stage quality control system

  • DFM analysis
  • PCB electrical control
  • Impedance control
  • PCB incoming inspection before assembly
  • Electronic component incoming inspection
  • Stencil printing process control using SPI-AOI systems
  • Visual inspection
  • AOI
  • X-Ray 3DX-Ray Inspection
  • ICT
  • JTAG Boundary scan
  • cleaning quality control
  • Functional control

5. Product testing

  • Climatic testing
  • Vibration testing
  • Vacuum testing
  • Other kinds of testing

6. Selection and supply of electronic components

7. Localization

8. Silicone, membrane, vandal-proof keyboards

9. Enclosures for PCBAs

10. Harnesses and cables

11. Final assembly

12. Smart logistic system

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