Category: How To PCB
What Are QFN Packages?

What Are QFN Packages?

The surface-mount IC packages that are assembled on a PCB are available in different types. The most popular ones among these are the QFN packages. These miniature packages are suitable for consumer, industrial, automotive, and power applications. When it comes to...

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PCB Via Design Using Altium Designer

PCB Via Design Using Altium Designer

The early days of PCB fabrication saw the exclusive use of through-hole vias that span the complete thickness of the board. With the advent of surface mount technology, blind and buried vias were introduced, calling for complex via design practices. In this article,...

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How does Laser Drilling Work in PCBs?

How does Laser Drilling Work in PCBs?

Laser drilling creates precise holes on a PCB to establish connections between different layers. The sleek gadgets that we all are acquainted with consist of HDI boards that incorporate laser drills. Laser drilling techniques ensure accuracy even when dealing with the...

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What is Solder Mask Layer?

What is Solder Mask Layer?

After PCB fabrication, the copper traces on the board typically face the risk of oxidation and corrosion due to environmental exposure. The most reliable way to prevent this and increase the life of the PCB is to provide a protective coating known as a solder mask...

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What is Conformal Coating?

What is Conformal Coating?

A critical part of PCB manufacturing is to protect the board from adverse environmental conditions by using various treatments and coatings.  A conformal coating is one such process that involves applying a thin, polymeric and non-conductive film “conforming” to the...

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What is the Use of a Decoupling Capacitor?

What is the Use of a Decoupling Capacitor?

System noise has become a critical issue for both analog and digital devices. The requirement for speedy interfaces and lower power consumption has resulted in devices being sensitive to disturbances from power and signal lines. A decoupling capacitor or bypass...

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How to Draw and Design a PCB Schematic?

How to Draw and Design a PCB Schematic?

A schematic diagram is a logical and visual representation of an electrical circuit. It is the very first step of electronic product design.  Earlier, the designers used to draw the circuit diagram on paper. Now, the designers have started to use PCB design tools...

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What is a Pad in PCB Design and Development?

What is a Pad in PCB Design and Development?

The quality of a circuit board assembly depends on several factors such as the interface between the board and the components. This makes a pad a significant part of PCB design and development as it serves as the designated surface area for electrical contact between...

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