PCB - JLCCNC Q&A

FR4 Thermal Impedance of 4 layer 45x45mm

Hello, Please let me know what the thermal impedance rating of a 4 layer FR4 1.6mm 1oz outer/1oz inner CU, TG155 circuit b......

1 Reply Asked by 10*******5A

what shipper uses IOSS

is there a way to see what shipper uses IOSS. I don't have issues paying tax, but if not done with the order the customs w......

1 Reply Asked by 22*******3A

PCB with no Copper features at all

Can you manufacture an FR4 board with no Copper at all on either side, just with silk-screen on one side? I would like to ......

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

Can aluminium PCB be bended at least once

Hi! I need to fit aluminium PCB into special curved lighting enclosure, and the PCB should be bended a bit. Is it allowed ......

1 Reply Asked by 21*******1A

Heavy Copper Capability on JLPCB

Hi JLCPCB Support, could you please confirm whether JLCPCB can manufacture PCBs with copper weight ≥3 oz (heavy copper)? T......

1 Reply Asked by 83*******4A

QR code prefix: allow more characters

I would like to use a url as the prefix for the qr code. At the moment several characters are not allowed... can you chang......

1 Reply Asked by 34*******1A

Capability for Gold Bumps

Hello, I have a design where I want to add gold bumps to some pins on a flex PCB. These gold bumps would be 70 in total an......

1 Reply Asked by 99*******9A

V-Cut - Which Layer

Hey, I'm looking for a way to manually penalize my board into three pieces. I added lines to User.1 and in Fabrication Too......

1 Reply Asked by 10*******2A

PCB order configuration string interface

Hi JLCPCB Support Team, When designing PCBs to be ordered via JLCPCB, I (like many users) often create a documentation tex......

1 Reply Asked by 46*******0A

Request for a quotation

Dear all, please furnish an email as to where I can send documents regarding a pcb for a quotation. Thank you Regards Joch......

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

Regarding the Minimum NPTH Diameter

The JLCPCB capabilities page says a NPTH (non-plated through hole) must have a diameter > 0.5mm. However, the drill sizes ......

1 Reply Asked by 27*******8A

Custom panel with milling (routing) and V-scoring

Hello. I want to produce panel combining routing(milling) and V-scoring. I have used a *.gm1 file for milling and a *.gko ......

1 Reply Asked by 52*******9A

4 layer specification

Hello. I am currently designing a 4-layer pcb, and I want to calculate trace width and gap for high speed signal, I need J......

1 Reply Asked by 34*******8A

BGA pad to PAD

my PCB 1-BGA pad 0.26mm dia 2- BGA pad to pad distance 0.14mm 3-via in pad 0.15/0.25mm is this you can easily produce or i......

1 Reply Asked by 32*******3A

Where can a ask for someone to designe a pcb ?

Hello, I’m working on a project using the ADXL382 from Analog Devices. I used their evaluation board for some tests, but I......

1 Reply Asked by 10*******8A

Minimum flex PCB dimensions?

What are the minimum dimensions for a flex pcb design?

1 Reply Asked by 93*******7A

Maximum temperature handling of FR4 and solder mask

Good afternoon - Where can I find information about the temperature handling capability of your FR4 and solder mask materi......

0 Reply Asked by 28*******3A

How to design NPTH countersunk holes in PCB data?

I'd like to have NPTH countersunk holes on my PCB. Is it possible to make a PCB with countersunk holes? If possible, how c......

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

milling knife sizes

When milling a slot, what are the available knife sizes? 0.8mm possible, but discouraged 1.0mm possible 1.6mm good yield 2......

1 Reply Asked by 26*******4A

Shipping to Turkey

We are interested in having cards manufactured by your company. Could you kindly provide detailed information regarding yo......

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