Three key methods to successfully design HDI PCB. They are as follows:


Number of layer

 1 - 32

Production time

 1 day - 4 weeks

Quality grade

 Standard IPC 2

Order quantity

 1pc - 10000+pcs

Copper weight (finished product)

 6 oz/10 oz

Plate size

 Minimum 50 * 50mm | maximum 450 * 406mm


 FR4 standard Tg 140 ° C, FR4 high Tg 170 ° C, FR4 and Rogers composite laminate

Board thickness

 0.2mm - 10mm

Silk screen color

 White, black, yellow

Color of solder mask

 Green, black, blue, white, red, yellow

Minimum tracking/spacing


Solder resistance layer

 According to the file

Silk screen surface

 According to the file

Maximum index of blind hole/buried hole

 3-layer stacked via interconnection, 4-layer staggered via interconnection

Minimum ring

 4mil, 3mil - laser drilling

Other methods

 Rigid flexible combination Via In Pad Buried Capacitor (only applicable to Prototype PCB total area ≤ 1m ²)

Surface treatment

 HASL - hot air leveling lead-free HASL - RoHS ENIG - electroless nickel plating/gold deposition - RoHS silver deposition - RoHS tin deposition - RoHS OSP - organic solderability preservative - RoHS

Minimum drilling diameter

 6mil, 4mil - laser drilling


  • Q
    What services do you provide?
    Three basic PCB assembly services are provided, including PCB manufacturing, entrusted PCB assembly and a full set of turnkey services.
  • Q
    Can I get the stack diagrams from you?
    Yes, we have shared some standard stack diagrams with you, even a single stack diagram to meet your special requirements.
  • Q
    Do you offer any discounts?
    Our two factories provide price support for various orders, and choose one of them for production according to different order quantities, technical requirements, etc. Especially multi-layer PCB and batch production can better reflect our price advantage.
  • Q
    Can I view and process Altium CAD data directly?
    No, we usually work on the basis of Gerber files.
  • Q
    What if I am not satisfied with Camtech PCB?
    If you find any defects in the delivered PCB, or you are not satisfied with our products or services, please go to info@camtechcircuits.com Tell us that we will reply within 24 hours. We will serve you wholeheartedly until you are completely satisfied. If there is a defect, we will remanufacture your PCB or refund the full amount without returning the defective PCB. You can also choose to deposit your Camtech PCB account into your account and use it for future orders.
  • Q
    What else should be considered when manufacturing HDI PCB?
    In addition to what we have described above, we must also consider electrical properties, such as electrical connection, density of connected pads, unit density, etc. If you have more questions, please contact our team.

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