HomeProduct DesignFactory ToursPCB Manufacturing in China

PCB Manufacturing in China

Printed circuit boards, or PCBs, are the foundation of most electronic devices. They are made by layering thin sheets of copper onto a non-conductive substrate, and then etching away the excess copper to create the desired circuit pattern.

PCBs can be very simple, with just a few copper traces, or extremely complex, with several layers of interconnecting circuitry, effectively forming a 3D mesh. The manufacturing process must be carefully controlled to ensure that the finished PCB meets the desired specifications without missing or intermittent contact.

There are several methods that can be used to create the circuit pattern on a PCB. The choice of method will depend on the complexity of the desired pattern. The most common methods, used also in the 2 videos below, for creating circuit patterns on PCBs are photolithography and etching:

    • Photolithography is a process of using light to create the desired circuit pattern on the PCB. A light-sensitive material called a photoresist is used to coat the PCB. The desired pattern is then transferred onto the photoresist using a mask. The exposed areas of the photoresist are then developed, which leaves behind a negative image of the desired pattern.
    • Etching: this next step is to etch away the exposed copper to create the desired circuit pattern. There are many different etching chemicals that can be used, depending on the type of copper being used and the desired results.

Once the etching is complete, the remaining photoresist is removed, leaving behind the desired circuit pattern on the PCB, ready for the next steps, such as surface treatment, coating, piercing, and vias.

These steps are shown in much more detail and explanations in the two PCB manufacturing factories hereafter, from order intake to control and packaging, achieving the impressive KPIs of

  • total delivery time from order intake to shipping: 2 to 4 days
  • 5000+ orders per day!

and this for unit orders, not necessarily returning customers, for pros and non-pros -meaning potential errors in the demand-, and some design and quality checks along the process. Be inspired!

At PCBway:

YouTube player

 

And then how its competitor does it, JLCPCB

YouTube player

For further electronic vocabulary, PCB types, and components footprints, refer to the PCB and electronic reference detailed Post.

RELATED ARTICLES
Exact matches only
include Online Tools
include Events

WIKI / PARTICIPATE !

Share suggestions, corrections,  examples, experience or ideas that may be integrated in this article

In English, if Monday is the first day of the week, by which letter starts the third day? (correct answer is needed to be able to submit)

NEW / UPDATED

The 7 Habits of Highly Effective People animated slideshow

"7 Habits of Highly Effective People" made famous by Stephen R. Covey is powerfully summarized in seven(!) minutes,...

The 14 Lean Principles of The Toyota Way

To resume many of the lean principles of a company or attitude, one book is key. From the...

The 5 Japanese Lean Terms You Must Know in Manufacturing and Quality

For Manufacturing: the Japanese Lean terms are must-know vocabulary in manufacturing or quality as these have no direct...

3 Great Benefits of Color Coding in Product Design

Product designers and marketers can use color coding for 3 reasons: to convey a message, to convey a...

Best 40 TRIZ Principles to Boost Your Design Challenges

For product design engineers. The 40 TRIZ Principles are the solutions to solve the "TRIZ contradictions" in product...

UPCOMING EVENTS