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The purpose of the prompt is to help the quality and improve the quality of the PCB design.
There are two basic BGA materials: Ceramics and Organic (FR-4).
Different jewelry designs use different rules. The most common is FR-4B products and low-level data. 4 It is the material of choice for the merchant's processing technology. 4 The size and long solder paste surface are the preferred material for merchant processing.
| Pitch | Pads Size | Trace/Space | Via |
| 1.27mm | 25mil | 2X 5/5 | 25mil |
| 1.0mm | 19mil | 2 X4/4 | 19mil |
| 0.8mm | 16mil | 1X5/5 | 16mil |
PAD sizes in Ceramics
| Pitch | Pads Size | Trace/Space | Via |
| 1.27mm | 28mil |
1top-2bottomX 5/5 |
25mil |
Number of Layers: (Regarding the breakout from the BGA Only)
| Pitch | Breakout Escape rows | No. of Layers |
| 1.27mm | T-6; B-6: | 4 |
| 1.0mm | T-6; B-6: | 4 |
| 0.8mm | T-4; Any other-6 | 4 |
Any additional layer pair can add 6 rows.
The following is a breakthrough escape example using 1mm BGA and 4mil trace x 4milspace.
It is possible (and recommended) to divide the BGA area into four equal parts. So as to make the escape more clever and flexible.
In order for a circuit board with one or more BGA components to be effective, a low number of layers must be kept low, and strict restrictions must be made with the PCB manufacturer.
Still, need help? Contact Us: support@nextpcb.com
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Printed Circuit Boards
Surface
beli
BGA is important for a PCB.
jeff
Print Circuit Board has many rules to do GBA routing in order to make a beautiful electronic board.