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A-TECH impedance hybrid pcb manufacturers top supplier

A-TECH impedance hybrid pcb manufacturers top supplier

Min half hole
0.55mm
Profile of half hole
Routing
Surface finish
ENIG preferred
Min Order Quantity
No
Production Lead Time
5-18 Working Days
Supply Capacity
10000 ㎡/Month
Certifications
UL, ISO9001, TS16949
Payment Terms
T/T, Paypal, WU etc.
Shipment Terms
EXW, FOB, DDU etc.
Test Way
100% E-Test
Standard
IPC CLASS 2 / CLASS 3
Price
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Quantity Needed:
Pieces
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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.




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A-TECH hybrid pcb is the fruit of several theories' application. Theories such as geology, Environics, as well as a cultural study is taken into consideration in the preliminary production stage. This product can be customized to meet the specific requirements of customers
The design of A-TECH press fit pins pcb is conducted based on the heat dissipation theory by the designers who aim to provide customers with a complete heat dissipation solution including the prototype, design, and production. It has the advantage of strong database backup and automatch
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A strict quality control system ensures that product quality meets international standards. The advanced systems of the product enable its high-efficiency and simple operation
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