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How to define the order of HDI board | YMSPCB

HDI PCB: non-mechanical drilling, microblind hole ring less than 6mil, inner and outer layer wiring line width.When the gap is less than 4mil and the diameter of the welding pad is no more than 0.35mm, the multilayer production method is called HDI board. 2 Step HDI Board Blind hole: short for B... Read More

HDI PCB market supply and demand analysis and circuit advantages | YMSPCB

HDI (High Density Interconnector) printed circuit board (PCB) is a structural component composed of insulation and conductor wiring.Printed circuit boards are assembled with integrated circuits, transistors (transistors, diodes), passive components (resistors, capacitors, connectors, etc.) and va... Read More

what are HDI boards | YMSPCB

HDI, short for high-density interconnection, is the production of printed circuit boards, which use microblind burrow technology, a circuit board with a relatively high circuit distribution density. HDI PCB is a compact product designed for small capacity customers.It is designed to be modular an... Read More

Soldered FPC gold finger design tips | YMSPCB

FPC, flexible circuit board.The number of FPC circuits can exceed 100, but only occupies a thickness of 0.2mm.Although more expensive than wiring, it is widely used in compact smart hardware.Especially mobile phones, smart watches and other scenarios. Soldered FPC golden finger design tips. Hardw... Read More

Introduction of gold-plating process of PCB goldfinger | YMSPCB

Gold finger: (Gold Finger or the Edge Connector) insert the Connector into a PCB card slot, with the Connector plug as PCB exports of foreign connection, make the bonding pad or copper contact with the corresponding position of splice feet to achieve the purpose of conducting, and bonding pad on ... Read More

What is gold finger in PCB | YMSPCB

PCB gold finger   1. Refers to the PCB and other equipment such as the motherboard, chassis and other electrical connection pin, because the copper foil nickel plating layer on the thin layer of gold, English Bonding finger is called “bonding finger”, so it is called “golde... Read More

What is a flexible circuit board | YMSPCB

Flexible Board , commonly known as FPC in the industry, is Printed Circuit Board made of Flexible insulating substrate (mainly polyimide or polyester film), which has many advantages that rigid Printed Circuit Board does not have.For example, it can be freely bent, wound and folded. FPC can great... Read More

what to do with gold finger pcb | YMSPCB

The reason of sticking tin on PCB gold finger 1, PCB board edge welt position is too close to the track edge, solder paste stick to the machine track. 2. The cleanliness of the printing press is poor. After each automatic cleaning, there will be some residues, some of which were just wiped to the... Read More

Which kind of PCB board needs gold and goldfinger | YMSPCB

First of all, what is sinker gold? The copper on the Printed circuit board is mainly red copper, copper welding spot in the air is easy to be oxidized, which will cause the conductivity is eating tin bad or bad contact, reduce the performance of the printed circuit board, so it is necessary to co... Read More
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