PCB Prototype the Easy Way

Full feature custom PCB prototype service.

Mobile
Help Center
Customer Service How to order Service & Refunds
EN
русский Español Français English 日本語
0

PCB Annular rings

What is an Annular Ring?

A copper ring attached to the surface of a pad around a connecting hole wall.

Drill size (Aperture) is the the size of the hole diameter.

image.png

An Annular Ring Width = (diameter of the pad - diameter of the hole) / 2

Normally Min width for Annular Ring is 0.15mm(6mil).

Drill Sizes (CNC): 0.2-6.3mm.(Min drill size is 0.2mm, max drill is 6.3mm. Any holes greater than 6.3mm or smaller than 0.3mm will be subject to extra charges)

image.png

Eg: 

1. R=0.12mm  H=0.2MM  D=0.44MM

The Annular Ring Width=(0.44-0.2)/2=0.12mm

2. R=0.15mm  H=0.3MM  D=0.6MM

The Annular Ring Width=(0.6-0.3)/2=0.15mm

Comments (0)
This message here is only a suggestion supplement to the above content, and does not for trading operations such as orders. If you have any urgent questions or order issues, please contact your sales rep.
You can only upload 1 files in total. Each file cannot exceed 2MB. Supports JPG, JPEG, GIF, PNG, BMP
    Capabilities
    PCB Capabilities
    PCB Assembly Service
    Quick turn PCB Fabrication
    SMD Stencils
    Prototype PCBs
    Products/Services
    PCB Instant Quote
    PCB FAQs
    PCB Prototyping
    Our Equipment
    Blog/Engineering
    Customer Support
    Help Center
    Sponsorships
    Shared Projects
    PCB Glossary
    Referral Program
    About us
    About Us
    Why Buy From Us?
    Shipping Method Guide
    Privacy Policy & Agreement
    Refund Policy
    Terms of Service
    Payment Methods
    Paypal,Western Union,Bank Transfer,WebMoney,Visa,Credit Card
    Delivery Services
    FedEx,UPS,DHL,China Post Air Mail,TNT,EMS ePacket,Hongkong Post Air Mail,EMS
    Verified by
    Ul Certificate &ISO 9001:2008 Certificate
    Link Us on
    youtube linkedin instagram
    © 2019 PCBWay. All rights reserved. INTELLECTUAL PROPERTY RIGHTS