PCB - JLCPCB Q&A

JLCPCB GmbH

Do you have a PCB manufacturing facility in Germany?

1 Reply Asked by 37*******1A

Pad To Pad minimal distance on flex pcb

Hello, Could you confirm what is the minimal distance between two pads on flexible pcbs? Is it possible to have pads with ......

1 Reply Asked by 12*******6A

What material group according to UL would the FR-4, Nan Ya NP-140F, PCB boards have?

I am looking for what material group according to UL would the FR-4, Nan Ya NP-140F, PCB boards have. I need this to calcu......

1 Reply Asked by 22*******4A

Now to panelize this small irregular PCB

Hello, we have been struggling to properly panalize this design to pass JLCPCB requirements. The final finished product we......

1 Reply Asked by 61*******5A

Which IPC-4761 type is used for plugged vias?

When ordering with "Plugged" via covering, which IPC-4761 process is used? Type IV-B?

1 Reply Asked by 33*******4A

Large PCBs with ENIG coating

I'm trying to order PCBs (FR-4, 2 layers), size 1000x60mm. The order is accepted with the HASL coating, but rejected with ......

1 Reply Asked by 11*******6A

Silkscreen over epoxy filled & capped vias

Can we place silkscreen over vias with the epoxy filled and capped option? I have received several boards using this optio......

1 Reply Asked by 10*******3A

Regarding similar designs

Dear all, I am designing an RF preamp, and also the calibration standards. That means, each pcb has the exact same geometr......

1 Reply Asked by 45*******8A

BGA with pitch 0.35 mm (nrf52840 CKAA)

Hello, I was wondering if you are able to do BGA with pitch 0.35 mm? I read that the minimum pad diameter is 0.25 mm, whic......

1 Reply Asked by 91*******3A

0.5mm BGA copper to hole clearance on inner layers

According to the BGA layout guidance, for 0.5mm pitch BGAs it is suggested to remove unused via pads on inner layers. http......

1 Reply Asked by 82*******3A

For 24hours building time

Why I choose 24 hours building time，but my order still in data preparation after 16hours of order time？

1 Reply Asked by 11*******9A

Panel Specification

To whom it may concern, I am looking to make a panel of 3 different designs on one board. I have attached an image of my p......

1 Reply Asked by 28*******6A

Gerber to STL

Is there a way that I can turn my gerber file to stl?

1 Reply Asked by 11*******3A

Flex pcb stiffener and soldering access?

Hi, We're designing a flex PCB that's got soldering needs on both top and bottom sides, especially for the below USB conne......

1 Reply Asked by 74*******9A

Minimum spacing between track with RO4350

Hello, What is the minimum spacing between two tracks with a two layers RO4350B material? Thank You

1 Reply Asked by 25*******0A

Etch factor

I’m working on controlled-impedance routing in Altium Designer, and it asks for an etch factor to improve calculation accu......

1 Reply Asked by 11*******9A

شراء لوحات

كيفة شراء لوحة جاهزة PCB

1 Reply Asked by 56*******6A

Blind Slots

Do you now support blind vias? I noticed there is an option for Blind Slots in the Online PCB Quote tool.

1 Reply Asked by 11*******9A

RF PCB Stackup

I am designing an RF PCB using RO4350B and would like to create a hybrid stack-up combining RO4350B with FR-4. Specificall......

1 Reply Asked by 92*******9A

PCB Material Type Comparison

Trying to find a PCB material type comparison chart, which will compare all material types provided, such as FR4 with KB61......

1 Reply Asked by 26*******0A

PCB - JLC3DP Q&A