High Performance 4-Layer Polyimide PCB with Matte Black Mask and ENEPIG Surface Finish

High Performance 4-Layer Polyimide PCB with Matte Black Mask and ENEPIG Surface Finish

Brief Introduction

This is a four-layer board made of polyimide material with a finished thickness of 1.3mm and 1oz finished copper on each layer (See stack-up for details). The board has a matte black solder maskon both sides and white characters with a dimension of 125mm x 95mm for 1 piece (includingtooling strips). Electroless Nickel Electroless Palladium Immersion gold (ENEPIG) finish is protecting the pads. The 0.3mm vias are filled with resinand capped as per IPC-4761 VII.

All boards are 100% electrical test according to IPC‐9252 latest revision before shipment. 25 pieces are vacuum packed for 1 bag and 12kg per box for delivery.

Here is 4 layers 20mil Polymide PCB Stack up.

Polymide PCB Parameters

Frequent Asked Questions

1) Do We Deliver Worldwide?

All PCBs purchasable through Bicheng Ltd can be dispatched worldwide to any non embargoed countries. We’ll choose the suitable shipping carriers for you among DHL, FedEx, TNT, UPS, EMS and Aramex

2) Is the High frequency Materials In Stock?

We keep most of the high frequency material in stock with prototype quantity,such as Rogers material with 3000 series, 4000 series, 5000 series, 6000 series etc, Taconic material with RF series, TLX series, TLY series etc, Wangling material F4B with DK2.2, DK2.65 etc. Since the high frequency material has so much variety, you can consult our sales persons before ordering.

3) Can I Collect My Order?

It’s completely no problem to pick up ordering of boards or collection of PCBs from our premises through your account in DHL, UPS or FedEx etc.. We’ll help to prepare the necessary export documents or files for customs declare.

4) How Much Will It Cost For Delivery?

We have various carriers to choose. Usually, we’ll pick one with best shipping fee for you. If your order is urgent, we can help to choose the forwarder with fast timeliness.

5) Am I Able To Return My PCBs?

PCBs are irreversible custom-made products, it is not allowed to return the items if there’s no quality problems.

6) When Will My Order Arrive?

All the PCBs are dispatched the same day if they are finished fabrication before 5pm. For Asian clients, you can get it within 2-3 days, European clients in 6-7 days and American (North and South) in 6-7 days, however the carriers do not guarantee this because of the complexity of transportation.

7) Will I Need To Sign For My Package?

We dispatch all orders using DHL, UPS, FedEx, TNT, Aramex or EMS, so they are fully tracked and may require a signature.

8) How Can I Track My Order?

Once your PCB boards are dispatched, you will receive a shipping confirmation via email by our sales that includes a tracking number. You can track this number on their official websites.

9) What Should I Do If My Parcel Is Damaged Or Lost?

This situation is rare in our daily business. The PCB boards are packed with bubble materials inside and with KK grade carton outside to protect your PCBs. However, If your parcel is lost or damaged, you must contact us immediately so that we can contact the carrier and arrange for replacement production. Please keep any damaged items including damaged packaging for reference.