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A-TECH wholesale China via in pad technology for business top supplier

A-TECH wholesale China via in pad technology for business top supplier

Min half hole
Profile of half hole
Surface finish
ENIG preferred
Min Order Quantity
Production Lead Time
5-18 Working Days
Supply Capacity
10000 ㎡/Month
UL, ISO9001, TS16949
Payment Terms
T/T, Paypal, WU etc.
Shipment Terms
EXW, FOB, DDU etc.
Test Way
100% E-Test
Get Latest Price
Get the latest price
Quantity Needed:
Company Advantages
1. The surface treatment of A-TECH press fit pins pcb mainly includes degreasing, anodizing, sandblasting, painting, and laser engraving. It has to go through surface inspection to guarantee burr free. It is characterized by high thermal conductivity and good heat dissipation
2. The product has brought many benefits to customers owing to the efficient sales network. Its solder mask can be offered with green, blue, white, black, yellow, and red colors
3. The product is tested by different standards testing institutions at home and abroad. It stands out for its impact endurance performance

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. After continues development in the production of via in pad technology , A-TECH CIRCUITS Co., Ltd. has become a leading manufacturer in China.
2. The company has been licensed for production and business. These certificates enable customers to see more accountability and quality checks throughout the supply chain.
3. Centering on high quality, A-TECH CIRCUITS Co., Ltd. hopes to serve every customer well. Welcome to visit our factory!
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