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What is Substrate Like PCB (SLP) Technology?

  • Substrate-like PCBs (SLP) is a term describing a high-density printed circuit board (PCB) that has feature sizes close to that of an IC substrate.
  • Developed as an organic alternative to high-end ceramic packaging.
  • Developed as an alternative to “build-up” (HDI) organic chip carrier packaging

Drivers for SLP Technology

  • Increasing Packaging Density:
    • Smaller lines and spaces – 25-28 um line width / 25-33 um space
    • Smaller vias – 50-75 um buried thru, 40-70 um blind.
    • Added wiring layers up to 12 Layers.
    • Enables packaging flip-chip pitches to 180 um (150 um possible for specific lower I/O designs)

Substrate Like PCB (SLP) – SiP Capability

Original PCB  Size: 108in2- Final sip size : 4in2

Substate like PCB
  • Place size: 55x55mm, 683um thick
  • Substrate: Particle-filled epoxy
    • X-section 3-4-3
    • 5um vias, 30/35um Line/space
    • 84ft HDI Wiring
    • >39,000 40-micron UV – laser drilled vias
  • 5 Flip Chip FPGA
  • 4 Xilinx FPGA, 3264 I/O w/190um minimum pitch
  • Discretes components:0201 minimum size
  • 638 SMT components placed
  • Functional final socket & Bed of Nails topside test
  • Custom Peripheral Pin connector & lid

SiP Implementation

Substate like PCB
SiP Implementation

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EMSxchange Electronic Manufacturing Partners Profile includes:

Argus Systems (AESPL) – PCBPCBACable AssemblyBox BuildTesting.

Aura – Electronics system design Services & consulting