JHDPCB blog

The effect of hole, character and outline design on PCB production

The PCB design is complicated, and various unexpected factors will affect the achievement of the overall pcb solution. To produce high-quality PCB boards on time, without increasing design time or incurring costly rework. Design and circuit integrity issues must be identified early in the pcb design process. However, there are many details in the PCB …

The effect of hole, character and outline design on PCB production Read More »

pcb impedance

Impedance Control on PCBs: What for? How to control? Impedance calculation

directory What is pcb impedance? The difference between impedance and resistance. What is an impedanc control? Importance of Impedance Control. How to do impedance control in pcb? How to measure pcb trace impedance? How to calculate impedance in a circuit? What are the factors that affect impedance control? PCB Impedance Design Guidelines. What is pcb …

Impedance Control on PCBs: What for? How to control? Impedance calculation Read More »

How Much Do You Know About PCB Solder Mask?

What’s Solder Mask in PCB manufacturing? Solder Mask, Solder Resist is a thin protective layer with polymer coating which is applicable to the copper circuits of a bare printed circuit board (PCB) for protecting against oxidation, and to prevent the formation of solder bridges between closely spaced pads.Next, I will take you to a comprehensive …

How Much Do You Know About PCB Solder Mask? Read More »

Why is FPCB an important part of LED strips?

The PCB boards are classified as different types including single layer PCB, double layer PCB, multiple layers PCB, and rigid PCB, flexible PCB, rigid-flex PCB, and Aluminum circuit boards. In order to better understand the soft light strip, here we first analyze its material FPCB.With the advancement of technology, LED light strips are becoming more …

Why is FPCB an important part of LED strips? Read More »

PCB Testing-Flying Probe Test (FPT)

Comprehensive Understanding Of PCB E-Testing

What’s Electrical Test (E-Test) ? At the end of PCB manufacturing process, Electrical Test (E-test) is used to verify the interconnects of the bare PCB is correct against the board netlist file as per IPC-9252 Guidelines and RWhat’s Electrical Test (E-Test). Equirements for Electrical Testing of Unpopulated Printed Boards. JHDPCB performs 100% PCB E testing on …

Comprehensive Understanding Of PCB E-Testing Read More »

pcb-hole

Do you know what types of holes on PCBs?

The PCB manufacturing process includes fine process processes such as cutting, grinding, filming, exposure, development, etching and plating, lamination, drilling, surface treatment and solder mask. Strict control of each link can ensure the normal operation of the PCB. JHD’s one-stop ISO9001:2015 quality management system production line strictly implements high-standard production for each process. In this …

Do you know what types of holes on PCBs? Read More »