12 Layer Blind Hole HDI PCB for Medical Device

♦ What ​​is Blind Hole in PCBs:?

A ​​blind hole​​ (or ​​blind via​​) is a type of ​​PCB via​​ that connects an ​​outer layer to one or more inner layers​​ but does ​​not go through the entire board​​ (unlike a through-hole via).

​​Key Characteristics:​​

✔ ​​Starts from the surface​​ and ends at an internal layer.
✔ ​​Not visible from the opposite side​​ of the PCB.
✔ ​​Used in HDI (High-Density Interconnect) PCBs​​ to save space.
✔ ​​Laser-drilled​​ (typical diameter: 50–150µm).

♦ ​​Blind Hole vs. Other PCB Vias​​​?​

♦ ​​Why Use Blind Holes?​​

1. ​​Space Saving​​ – Allows more routing in compact designs (e.g., smartphones).
2. ​​Improved Signal Integrity​​ – Reduces stub effects in high-speed circuits.
3. ​​Higher Layer Utilization​​ – Enables complex multilayer PCBs (e.g., 10+ layers).
4. ​​Better Thermal Management​​ – Shorter paths reduce heat buildup.

♦ Technical Parameters

♦ One-Stop PCBs Solution

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♦ Advantages of DQS Team

1. On-time Delivery:

• • Owned PCBA factories 15,000 ㎡
  • 13 fully automatic SMT lines
  • 4 DIP assembly lines

2. Quality Guaranteed:

• • IATF, ISO, IPC, UL standards
  • Online SPI, AOI, X-Ray Inspection
  • The qualified rate of products reach 99.9%

3. Premium Service:

• • 24H reply your inquiry
  • Perfect after-sales service system
  • From prototype to mass production

DQS Electronic is located in Shenzhen, focusing on PCB Layout Design, PCB Fabrication, Electronic Components Sourcing, SMT, PCB Assembly and Testing. We are a one-stop EMS electronic manufacturing company committed to providing global customers with rapid prototyping and mass production.

Our products include single, double, multi, high frequency, aluminum base, copper base, FR-4 and other high precision circuit boards.

We have over 10 years of experience in serving many domestic and foreign brand customers in a wide range of fields such as Medical, Automotive, Industrial Automation, Artificial Intelligence, Smart Home, Security, Power and Communications, etc..