Gold finger gold plating quality problems and measures
1 Introduction In connector plating, due to the high electrical performance requirements of the contact pairs, the gold plating process…
PCB technology Electrolytic capacitors and capacitors
one. Fixed capacitor: refers to a capacitor whose capacitance cannot be changed once it is made. Capacitors can generally be…
Key Process Improvements for High-precision Printed Wiring Boards
Six ways to reduce automotive PCB defect rate The automotive electronics market is the third largest application area for PCBs…
PCB electrical measurement technology analysis
Hot Air Solder Leveling, also known as spray tinning, works by using hot air to remove excess solder from the…
PCB electrical measurement technology analysis
First, electrical test PCBs in the production process, it is inevitable that due to external factors caused by short circuit,…
Detailed PCB layout technology
First: Early preparations. This includes preparing component libraries and schematics. “If a worker wants to do something good, he must…
Drilling and Etching For Rigid-Flex PCB
Drilling and etchback are an important procedure before electroless copper plating or direct copper plating on a rigid-flexible printed circuit…
PCBA assembly soldering process for FPC, unlike hard circuit boards
FPC is also called flexible circuit board. The PCBA assembly and welding process of FPC is very different from the…
Variations in substrate size during PCB manufacturing
The reason:(1) The dimensional change of the substrate caused by the difference in the longitude and latitude direction; due to…
7 steps to teach you how to design a perfect PCB
PCB has developed from single-layer to double-sided, multi-layer and flexible, and still maintains its own development trend. Due to the…
PCB Basics – Types of PCBs
First, single-sided (Single-Sided Boards) As we just mentioned, on the most basic PCB, parts are concentrated on one side, and…
Shielding method in high-speed PCB design
The transmission rate of high-speed PCB design and cabling systems is steadily accelerating, and it also brings about some kind…
How to improve the wiring efficiency in PCB design
The wiring is an extremely important part of the PCB design and it will directly affect the performance of the…
Why should the PCB board “paste gold”
1.PCB board surface treatment Anti-oxidation, spray tin, lead-free spray tin, immersion gold, Shen tin, Shen silver, hard gold plating, the…
There are several requirements for PCB design spacing
We will encounter various safety spacing issues in ordinary PCB design, such as the spacing between vias and pads, the…
