Licky's Column

Back Drilling --- A special craftsmanship of control depth drilling

by Licky Li

Back Drilling --- A special craftsmanship of control depth drilling

What is Back Drilling? Backdrill is the process of creating vias by removing the stub in multilayered printed wiring boards, to allow signals to fl...
Posted in Back drilling, PCB, PCB design, PCB fabrication, PCB Layer stack-up, PCB layout, PCB manufacturing

How to Design a PCB Panel for Less Money?

by Licky Li

How to Design a PCB Panel for Less Money?

Introduction: PCB panel is a combination of several PCB unit boards with various possible connection modes, as shown in the figures below. Typical,...
Posted in PCB, PCB design, PCB fabrication, PCB Layer stack-up, PCB layout, PCB manufacturing

How to achieve PCB automatic routing efficiently?

by Licky Li

How to achieve PCB automatic routing efficiently?

1. Determine the number of layers of the PCB Board size and the number of routing layers need to be determined early in the design process. If the ...
Posted in PCB, PCB design, PCB layout, PCB manufacturing

Single-Layer vs. Multi-layer PCBs

by Licky Li

Single-Layer vs. Multi-layer PCBs

Single-Layer vs. Multilayer PCBs: What's the Difference? You can likely guess what the significant difference is between these two types of PCBs...
Posted in PCB, PCB design, PCB fabrication, PCB Layer stack-up, PCB layout, PCB manufacturing

How to Get BGA Perfectly Soldered on PCBs in SMT Assembly

by Licky Li

How to Get BGA Perfectly Soldered on PCBs in SMT Assembly

Because BGA (Ball Grid Array) solder balls are hidden under the body, it’s quite difficult to inspect their performance. Up to now, Automated X-ray...
Posted in BGA, PCB, PCB design, PCB fabrication, PCB layout, PCB manufacturing

PCB Layout considerations

by Licky Li

PCB Layout considerations

Designing the layout of your printed circuit board is crucial to creating a reliable, cost-effective board. While circuit design and component sele...
Posted in PCB design, PCB fabrication, PCB Layer stack-up, PCB layout, PCB manufacturing

What is trace impedance?

by Licky Li

What is trace impedance?

In printed circuit boards, wires and traces are typically formed from copper because it is the least-resistant element apart from silver. Put an oh...
Posted in PCB design, PCB Layer stack-up, PCB layout, PCB manufacturing, PCB Milling

7 ways to reduce your PCB cost

by Licky Li

7 ways to reduce your PCB cost

HOW CAN I REDUCE THE COST OF A PRINTED CIRCUIT BOARD? Reducing the cost of printed circuit boards is really about keeping things simple and effecti...
Posted in PCB, PCB design, PCB fabrication, PCB layout, PCB manufacturing

What is PCB Via tenting?

by Licky Li

What is PCB Via tenting?

If you use printed circuit boards in your business applications, you may have heard about the idea of via tenting in printed circuit board construc...
Posted in #blind via, #burid via, #via in pcb, HDI PCB, PCB design, PCB manufacturing

PCB Layer Stackup Capabilities

by Licky Li

PCB Layer Stackup Capabilities

THE PURPOSE OF PCB LAYER STACKUPS A PCB stackup refers to the arrangement of copper and insulating layers that make up a PCB. These layers are arra...
Posted in PCB, PCB design, PCB fabrication, PCB Layer stack-up, PCB layout, PCB manufacturing

PCB SURFACE FINISHES: HASL, OSP AND ENIG

by Licky Li

PCB SURFACE FINISHES: HASL, OSP AND ENIG

When creating surface finishes for printed circuit boards (PCBs), you can choose from either organic or metallic materials. Knowing which types of ...
Posted in PCB, PCB fabrication, PCB manufacturing