A-TECH counter sink countersink pcb durable top supplier

Company Advantages
1. A-TECH castellated holes pcb is tested to guarantee its safety. After it is completed, it will be placed in the electromagnetic field where features strong current and high voltage to check its stability and reliability.
2. This product is safe enough. Its fabric contains no toxic substances such as benzene and formaldehyde that would pose risks to health.
3. This product features enough permeability. It fabric materials have the ability to allow air, water, and water vapor to penetrate and pass through it.
4. Professional after-sales service personnel of A-TECH CIRCUITS Co., Ltd. will provide service at the first time according to customer requirements.
5. A-TECH CIRCUITS Co., Ltd. has been awarded with many social honors, achieving good social and economic benefits.

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. The primary businesses of A-TECH CIRCUITS Co., Ltd. includes main areas of R&D and manufacturing: Pcb Special Technology.
2. A-TECH CIRCUITS Co., Ltd. is technically famous for being a countersink pcb manufacturer.
3. Achieving sustainable development plans becomes vital in our business growth. We are looking for cleaner materials and create sustainable alternatives to the current packaging materials. Our success is enabled by the commitment and dedication of our employees globally. With our focus on a progressive, diverse and inclusive culture, growth through innovation in emerging markets and services and operational excellence. Inquiry!