Tag: printed

  • The Importance Of Printed Circuit Boards

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    Moisture absorption occurs when the material is exposed to high humidity or water. Both resin and reinforcement can absorb water; Water can also be soaked by capillary forces through openings in materials and along the reinforcement. The epoxies of FR-4 materials are not too sensitive, with an absorption of only 0.15%. Polyimids and cyanate esters,…