CSI is a Manufacturers' Representative specializing in Interconnect Products

Tel: (925) 846-2244

Fax (925) 846-0267





Connectors, Sockets & Cable Assemblies




Joy Signal Technology

  • Provide design, manufacturing and testing of high performance, electronic cable assemblies and connectors. Products include: a family of high density ZIF Connectors, Coaxial Pogo Connectors & cable assembly solutions with discrete, ribbon and bundled cable using coax, twinax or twisted pair cable.



  • Vertically integrated manufacturer providing design, simulation, manufacturing, and test of electrically critical and/or high-density interconnect systems
  • Card Edge - right Angle PCIe, AGP, DIMM and others down to .025 pitch
  • Sockets - PSOP, SSOP and TSOP
  • 2mm HPM-5
  • I/O board to board hi rel connectors
  • FPD-1 Flexible Display & LVDS Cables down to .5mm pitch. Hirose, DF-19, JAE F1-X or equivalent connectors.
  • Discrete, ribbon, and bundled cable assembly using coax, twin-ax, or twisted pair cable. Skew matched, high speed, controlled impedance.
  • Medical - Ultra miniature coax termination expertise down to 50 AWG. Welded termocouples and termistor assemblies and visiion and imaging cables.



  • Providing high density, high performance, and high reliability electrical interconnects utilizing advanced printed circuit board (PCB) processing techniques for applications requiring high density, high performance and high reliability. Arrays down to .4mm pitch.



Rigid & Flexible Circuits





Chemical Etching, Plating & Forming


Elcon Precision LLC

  • Provider of metalizied and resistive coated ceramics, vacuum and atmosphere brazed assemblies, etching of flat as well as 3D curved surfaces and electro and electroless plating.


FotoFab Corporation

  • Photo Chemical Etching - burr and stress free parts, quick turn and economical tooling. Great for intricate designs, process does not change the hardness, strength or formability of the part and selective etching allows for varied thicknesses. Standard and exotic metals in thickness of .0005" up to .062", sheet sizes of 12" x 18". Prototype through production with design assistance available. Multiple etching lines with clean room facilities available.
    • Standard Parts - RF PCB Shields, package lids and crystal masks.
    • Custom Parts - EMI/RFI shields, screens, optical apertures and encoders, contacts, springs, lead frames, shims and washers, antennas or masks.




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