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How are through-hole PCBs manufactured?
The thru-hole manufacturing process, as its name suggests, involves drilling holes into the PCB. The board house drills these holes where the components will go according to the client’s design. Once the holes have been drilled, the leads are placed through them. Axial lead components have leads on both ends.
How do you place components on PCB?
Placing and Orienting Your Components
- Orient similar components in the same direction.
- Avoid placing components on the solder side of a board.
- Try to place all your SMT components on the same side of the board, and all the through-hole components (if mixed) on the top side of the board.
What is single sided and double sided PCB?
Single-sided layer boards have just one layer of base materials, known as a substrate. A double-sided PCB has more than a single layer board but fewer than a multi-layer. A double-sided board has a conductive path on both sides having copper, solder mask and silkscreen.
What are the different types of thru hole PCB?
There are two main types of thru-hole components — axial lead and radial lead. Axial lead components have leads on both ends. They come out of the part in a straight line. Radial lead components have both leads on one side. The leads run through the entire board, so they can connect the various layers of the PCB.
Which is the best way to attach electronic components to a PCB?
One of the two most common methods for attaching electronic components to PCBs is the thru-hole, or through-hole, process. This technique is older than SMT, and for many years, it was the standard technology used for PCB assembly.
Why do we need a printed circuit board?
Printed circuit boards, or PCBs, are at the heart of nearly all of today’s electronics, and they support and electrically connect the electronic components that are needed to make an electronic device function. Manufacturing a printed circuit board is an involved process with many steps that vary from project to project.
How is the insertion mount of a PCB done?
Finally, the assembler will solder the leads securely in place, perhaps using a wave soldering in which the PCB passes slowly over liquid solder at a high temperature. Originally, workers completed all of these steps manually. Today, automated insertion mount machines and other equipment can assist with many parts of the process.