Helen Frankenthaler PCB Circuit Board R&D Center

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PCB Design With Half Moon Hole Plating FR4 Circuit Board Rigid Printed Circuit Board

PCB manufacture flow:

This is the fabrication flow for a double-sided plated through-hole PCB, as you know,PCB of manufacture flows are too many, with more than 20 different processes, and each process has its sub-steps, Here, we will focus on the main manufacturing processes for reference

Process:

Board cutting

Drilling

PTH

image transfer

Pattern plating

Etching

Solder mask

Legend mark

surface finished

Outline

E-Test

fQC 100% inspection

fQA sampling inspection

Packaging

Warehouse

Why are there many pcb boards with half moon hole design nowadays

PCB boards with half-moon holes, also known as castellated holes or castellations, have become more common due to their specific advantages in various applications. Here’s why they are popular:

  • Surface Mount Integration: Castellated holes allow PCBs to be easily soldered onto other boards. This is especially useful for creating modular components or breakout boards that can be mounted directly onto a larger PCB assembly.
  • Edge Connection: Half-moon holes enable electrical connections at the edge of the PCB, making it easier to connect to other PCBs or components without requiring additional connectors. This can simplify design and reduce costs.
  • Test Points: These holes can serve as test points during the manufacturing process, allowing for easier inspection and quality control, especially in automated testing setups.
  • Compact Design: Using castellated holes allows for a more compact design, which is important in applications where space is limited, such as in consumer electronics.
  • RF and Microwave Applications: In high-frequency applications, castellated holes can be used to create precise and reliable connections, improving signal integrity and performance.

Overall, the half-moon hole design is valued for its versatility, ease of integration, and ability to maintain high reliability and performance in various applications.

Technical Difficulty Control

01 Plated Half Moon Hole PCB

In the PCB industry, manufacturing high-quality plated half-moon holes requires overcoming significant technical challenges. If your PCB process is not executed properly, the edges of the half-moon holes can result in copper lifting. However, at Dickson Circuit Shenzhen Ltd., we excel in this type of PCB manufacturing. We ensure that our plated half-moon holes are smooth with full copper and free of burrs.

02 Good Quality Made

Good PCB quality stems from our company's commitment to technological innovation and relentless in-depth research.It is also a result of our advanced manufacturing equipment and the hard work of our well-trained, high-quality employees.

When you buy electronics, choosing products made with precision-engineered SMD circuit boards from a reputable electronics manufacturing company like us,Dickson Circuit Shenzhen Ltd ensures superior performance and reliability.

03 Manufacturer Description:

  • Brand: SDY&Dickson
  • Company Certification: ISO9001,IATF16949,ISO140001
  • UL Recognized: USA UL, Canada UL,CQC
  • Product Manufacture Standard: refer to IPC standards

•IPC-2222: Design standard.
•IPC-4101: Laminate’s specification.
•IPC-SM-840: Solder Mask Performance of Specification.
•IPC-600: Rigid PCB Quality Inspection Standard.
•IPC-6012:Rigid PCB Fabrication Specification.
•IPC-6013:FPCB Fabrication Specification.
•IPC-TM-650: PCB Quality Test Method.

Manufacture Service:

Production Volume:

  • High-mix (Small,Medium and Large scale)
  • PCB Prototype:Yes
  • Quick-Turn PCB:Yes
  • Solder Paste Stencil Manufacturing