Lily's Column

What is a capped via hole?

by Lily Zhang

What is a capped via hole?

A capped via is when plating is added over the via hole so that the surface is fully metalized with a minimum copper / cap plating thickness of 5um...
Posted in PCB, PCB design, PCB fabrication, PCB layout, PCB manufacturing

Common Gerber files Problems and how to fix them?

by Lily Zhang

Common Gerber files Problems and how to fix them?

The most common problems seen in Gerber files include design mismatch, insufficient clearances, obsolete file formats, unregistered layers, and inc...
Posted in PCB, PCB design, PCB fabrication, PCB layout, PCB manufacturing

Equipments which required on PCB production process

by Lily Zhang

Equipments which required on PCB production process

1.Engineering production—photoplotter, film exposure machine 2. Cutting material — cutting machine, baking oven 3. Laminating – browning production...
Posted in PCB, PCB fabrication, PCB manufacturing

PCB Drilling

by Lily Zhang

PCB Drilling

The PCB Drill Tech Basically, there are two kinds of drilling technologies, mechanical and laser drilling. Mechanical and laser drilling compariso...
Posted in PCB, PCB fabrication, PCB manufacturing, PCB Milling

HDI board stack-ups

by Lily Zhang

HDI board stack-ups

HDI board stack-ups High-density interconnect, or HDI, circuit boards are printed circuit boards with a higher wiring density per unit area than tr...
Posted in PCB, PCB design, PCB fabrication, PCB Layer stack-up, PCB layout, PCB manufacturing

How are multilayer circuit boards made?

by Lily Zhang

How are multilayer circuit boards made?

Step 1: Inner layer core selection PCB core material The stack-up designates the materials to be used for the manufacture of a multilayer circuit...
Posted in PCB, PCB design, PCB fabrication, PCB Layer stack-up, PCB layout, PCB manufacturing

PCB Solder Mask Types

by Lily Zhang

PCB Solder Mask Types

Solder mask is a thin layer of polymer that is put on a circuit board to protect the copper from oxidation and shorts during operation. It also pro...
Posted in PCB, PCB fabrication, PCB manufacturing

PCB Gold Fingers

by Lily Zhang

PCB Gold Fingers

Gold Fingers are the gold plated narrow connectors found on the edge of printed circuit boards to enable connections between multiple boards. They ...
Posted in PCB, PCB design, PCB fabrication, PCB manufacturing

What is the Industrial PCB Production Process?

by Lily Zhang

What is the Industrial PCB Production Process?

What is the Industrial PCB Production Process? 1. Board cut Board cutting is the process of cutting the original copper-clad laminate into boards ...
Posted in PCB, PCB fabrication, PCB manufacturing

Gold Plating for PCBs

by Lily Zhang

Gold Plating for PCBs

Gold plating is a process where gold plates are placed on other metals on PCBs to help with their conductivity. Gold plating is the most common way...
Posted in PCB, PCB fabrication, PCB manufacturing

What is an HDI PCB?

by Lily Zhang

What is an HDI PCB?

An HDI PCB is a multilayer circuit board with microvia diameter within 5mil (0.127mm), line space/width of inner and outer circuit layers within 4m...
Posted in HDI PCB, PCB, PCB fabrication, PCB manufacturing

NRE and tooling costs – What you need to know for your PCB project

by Lily Zhang

NRE and tooling costs – What you need to know for your PCB project

NRE stands for Non-Recurring Engineering, and it refers to the investment required for a new product project. The entire cost, right from the produ...
Posted in PCB, PCB fabrication, PCB manufacturing, Test