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PCB blind and buried via 

vias are small holes, usually,we say vias are holes less than 0.3mm.
​
Blind via is the via from top or bottom layer to inner layers, they are not through,we can see the vias from PCB top or bottom side.

Buried via is the vias in the inner layers,we can not see these vias from PCB top or bottom side.
​
Stacked vias are laminated blind or buried vias, multiple vias inside a circuit board built together around the same center
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Quote with your blind or buried via job now

Blind and/or buried vias are usually for HDI design.less space,more components. Especially in the BGA area,the via in pad vias are also blind or buried vias.BGA will be loaded on the blind/buried vias,so these vias have to be filled and plated to flat.
Storm Circuit Via
Via Type Via Diameter(mm)
Via type min via diameter via pad Annular ring
Blind via (mechanical) 0.15 0.3 0.075
Blind via (laser) 0.1 0.25 0.075
Buried via (mechanical) 0.15 0.3 0.075
Buried via (laser) 0.1 0.25 0.075

​Design for HDI PCB manufacturing,you can find the “do” and "don't" in our design tips for HDI.
​
​Non Stacked  2--HDI
​Non Stacked  2--HDI
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Stacked but Non Copper Filled 2--HDI
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Stacked & Copper Filled 2--HDI
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  • Home
  • About Us
    • Why Us
    • Our Team
    • Testimonials
  • PCB Fab
    • Standard PCB
    • ENEPIG PCB
    • HDI PCB
    • Large PCB
    • Impedance Control
    • Backdrilling PCB
    • Heavy Copper PCB
    • Via in Pad(POFV)
    • Quick Turn PCB
    • 10 layer PCB
    • High frequency PCB
    • MC/Aluminum PCB
    • Half hole plating
    • FPC Rigid-flex PCB
  • Service
    • PCB Assembly >
      • PCBA Products
      • PCBA Capability
    • Components Procuement
    • SMT Stencil
  • Technology
    • Optimize HDI
    • PCB Terminology
    • PCB Material
    • PCB panelization
    • PCB Stackup
    • Rigid-flex PCB design guidelines
    • Blind and burrid vias
    • Tip for PCB design
    • Generate gerber from Altium
    • Eagle PCB
    • KiCAD PCB
  • Contact
  • Blog
  • Products