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Smart glasses mainboard

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Detail

Smart Glasses Mainboard Specifications


Critical Parameters

FeatureSpecificationWhy It Matters for Smart Glasses
Layer Technology12-layer Any-layer HDI Rigid-Flex✅ Enables ultra-complex circuits in curved spaces
Thickness1.0mm (rigid) / 0.2mm (flex)✅ Matches slim eyewear profiles
Surface FinishENIG + OSP Dual Options✅ Gold for sensors, OSP for cost areas
Bend Capability50,000+ cycles at R=3mm✅ Withstands daily wear

Technology Breakdown

1. 12-Layer Any-Layer HDI Rigid-Flex

  • Breakthrough Design:
    • Laser vias connect any adjacent layers (L1↔L2, L5↔L6, etc.)
    • 40μm line/space in rigid areas

  • AR Glasses Advantages:
    55% smaller than conventional rigid boards
    Routes display, sensors, and processors in one unified board

2. Optimized 1.0mm Profile

ZoneThicknessKey Components
Rigid1.0mmCPU/GPU, Memory
Transition0.6mm taperedFlex-to-rigid interface
Flex0.2mmTemple wiring

3. Dual Surface Treatment

FinishENIG (Gold)OSP
Use CaseCamera/Sensor contactsBulk SMT areas
Durability100K insertion cycles6mo shelf life
CostPremium solutionBudget-friendly

Performance Advantages

MetricThis BoardStandard Flex-Rigid
Weight (per eye)1.8g3.2g
Signal Loss @60GHz0.8dB/cm1.6dB/cm
Bending Fatigue>5 years daily use2-3 years typical


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