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buried via in pad technology hybrid durable at discount

buried via in pad technology hybrid durable at discount
  • buried via in pad technology hybrid durable at discount

buried via in pad technology hybrid durable at discount

Ingenious design of press fit pins pcb makes it favored by many customers.
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Plated half holes which is also called castellated holes, they’re normally designed at the edge of printed circuit boards and plated with copper, and they’re mainly used for board-on board connections, mostly where two circuit boards with different technologies are combined.

Most of the plated half hole PCBs are a type of modules which are small and high density with fine pitch components, this type of circuit boards are made with GPS Modules, Wifi Modules, Bluetooth Modules, GMS Modules, GPRS Modules and other smart modules.

Basically plated half holes are not suitable for V-score process, because the copper at the hole will be rolled up to cause serious burs, routing process is a better solution to ensure smooth edge.



The guidelines of designing plated half holes

● Normally the minimum half hole size is 0.8mm, it can be min 0.55mm with A-TECH capability
● The routing tolerance for half hole is +/-0.15mm
● The minimum distance from pad to pad is 0.25mm
● Use the larger hole diameter if possible
● Use the larger outer layer pad on both sides if possible
● Connect inner layer pads to the plated holes if possible to bring more stability and help to avoid burrs.
● Routing process is preferred and ENIG finish is preferred.



A-TECH have manufactured a large number of printed circuit boards with half hole design for various module products, and we have obtained rich experience to control high quality, the minimum half hole size we can build is 0.55mm.




The production of A-TECH via in pad technology is standardized and highly efficient.
In order to provide the best quality press fit pins pcb, A-TECH never skimps on raw materials.
We have been working to replace hazardous substances in A-TECH press fit pins pcb.
To be more vibrant and competitive in press fit pins pcb industry, A-TECH has superb team to help the improvement of the design technology.
Such material of press fit pins pcb makes its colors more abundant.
The quality of the product is totally assured by the adoption of the strict quality management system.
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