A-TECH blind via in pad pcb hot-sale top supplier

Company Advantages
1. A-TECH vippo pcb provides advanced product design and reasonable structure.
2. Our vippo pcb and impedance calculator pcb throughout all stages of production enable us to grantee customer satisfaction in a total. It has passed AOI which ensures there will be no errors or welding defects
3. The product has the advantage of electrical safety. During its operation, it poses no electrical hazards such as shock, fire, or explosion. The product is certified under UL(E357001) and RoHS
4. The product is corrosion resistant. It is hardly affected by liquids such as acid-alkaline chemicals, oil, and bath cream. It is widely used in different electronics industries, such as telecommunication and consumer electronics

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.

Company Features
1. Our advanced machine is able to fabricate such via in pad pcb with features of [拓展关键词/特点].
2. A-TECH CIRCUITS Co., Ltd. aims to enlighten others, set an example and share our passion and pride in blind vias pcb industry. Contact!