How is through hole plating done?

How is through hole plating done?

In the process of plating through hole, electroless copper plating is used to make the inner walls of the hole conductive to connect the printed circuits in different layers or the pins of the integrated chips.

What is a through hole PCB?

Through-hole technology, also spelled “thru-hole”, refers to the mounting scheme used for electronic components that involves the use of leads on the components that are inserted into holes drilled in PCBs and soldered to pads on the opposite side either by manual assembly (hand placement) or by the use of automated …

How do you make vias?

Vias with Wire To create the first via, strip off the insulation from a solid gauge wire, and loop it through a via. After it is in the via, pinch the wire so that it creates bends in the wire. These bends are near the PCB, preventing the wire from ever falling out of the hole. Solder the bent wire to the copper.

How thick is via plating?

vias: The plating thickness varies but is typically about 1 mil (0.001 in.) thick.

What is non-plated through hole?

Non-plated through holes are simple features that are either drilled or milled through your circuit board, which expressly do not receive a plating of conductive copper. Typical uses of NPTH features are mounting holes to allow screws or other fasteners to pass through your board.

What is the application of plating in PCB manufacturing?

Surface plating or finishing – the process of covering surface copper traces to protect against the environment, oxidation, moisture, and contamination, and to provide a more suitable surface for soldering components during printed circuit board assembly (PCBA).

What is a through-hole kit?

Through Hole and Surface Mount Soldering Assessment Kit (Quick Test Wire and Terminal Assembly) Ideal for reviewing soldering skills, this kit contains standard components needed to evaluate skill levels in the most common through-hole and surface mount assembly procedures.

Which is a material used for PCB fabrication?

Well known pre-preg materials used in the PCB industry are FR-2 (phenolic cotton paper), FR-3 (cotton paper and epoxy), FR-4 (woven glass and epoxy), FR-5 (woven glass and epoxy), FR-6 (matte glass and polyester), G-10 (woven glass and epoxy), CEM-1 (cotton paper and epoxy), CEM-2 (cotton paper and epoxy), CEM-3 (non- …

How do you do though hole plating?

I’ve been thinking about though hole plating for several years. The general procedure is simple – you have to activate non-copper surfaces (make them conductive) and then you apply standard electroplating procedure. You can find many tutorials on the internet, however, most of the require hard-to-get chemicals for the activation solution.

Is this a DIY PCB with a green solder mask?

But this is the first time we’ve seen such professional vias and through hole plating. Don’t let the green solder mask fool you. This isa homemade PCB. [Kurt Skauen] started with your standard artwork, followed by etching. He then applied a solder mask that is UV curable.

Are PCB’s in China cheap?

PCBs in China are dirt cheap. There’s no doubt about that. However, sometimes I’d like to have PCB right away and I also like to challenge myself in mastering technologies. That’s probably why I occasionally experiment with a DIY fabrication of PCBs.

How to get even coating on electroplated circuit board?

Using the flat electrodes on both sides should give even coating. I hang my board in the middle. To secure it in place a soldered piece of copper wire. I was electroplating for 90 minutes with a 0.8 amps, which should yield in 17 micrometer coating.

https://www.youtube.com/watch?v=EEmW4xBFiac