Lily's Column

How to make PCB with blind hole

by Lily Zhang

How to make PCB with blind hole

The use of blind holes and buried holes is an effective method to increase the density of multilayer boards, reduce the number of layers and board ...
Posted in PCB, PCB design, PCB fabrication

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

Staggered Microvias and Stacked Microvias PCB

by Lily Zhang

Staggered Microvias and Stacked Microvias PCB

What are staggered vias? Staggered vias connect different layers of the board but do not come in direct contact with each other (separate drill axi...
Posted in PCB, PCB design, PCB fabrication

Common PCB Test Methods that Apply in the Industry

by Lily Zhang

Common PCB Test Methods that Apply in the Industry

When submitting a PCB design, proper discussions with an electronic contract manufacturer should entail your preferred PCB testing methods. It shou...

Production Flow of Flex-Rigid PCB

by Lily Zhang

Production Flow of Flex-Rigid PCB

What is a Flex-rigid PCB? The birth and development of FPC and PCB gave birth to the new product of flexible and rigid printed circuit board. So...
Posted in PCB, PCB fabrication, rigid-flex pcb

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

Which Are The Common Types Of Large Aluminum Heat Sink?

by Lily Zhang

Which Are The Common Types Of Large Aluminum Heat Sink?

Every type of heat sink manufacturing process contains its benefits and flaws. Besides, there are several ways you can manufacture large aluminum h...

What is a Heat Sink?

by Lily Zhang

What is a Heat Sink?

A heatsink is an electronic component that prevents components on a circuit board from frying because of increased heat capacity. It is made of col...

How to transfer Program Into Chip?

by Lily Zhang

How to transfer Program Into Chip?

IC programming is the process of transferring a computer program into an integrated computer circuit. Older types of IC include PROMs and EPROMs I ...

Teflon PCB

by Lily Zhang

Teflon PCB

What is Teflon PCB? Teflon PCB, or PTFE PCB, is a high-frequency PCB using polytetrafluoroethylene (PTFE) as its PCB substrate. Teflon PCBs transmi...

COB LED vs SMD LED vs DOB LED

by Lily Zhang

COB LED vs SMD LED vs DOB LED

What is COB LED Features of COB LED: high thermal generation, small areas for thermal dissipation; evenly-shed light, no halo; LEDs are bonded on...

PCBA inspection

by Lily Zhang

PCBA inspection

Several tests are available that fulfill the quality standards such as visual, manual, and X-ray inspection. Each test has its specification levels...