Q&A Community - JLC3DP

UL marking on previously used production files and date code

Hi, If an order placed with previously used production files (workin files) from a different fab house, can JLCPCB delete ......

0 Reply Asked by 10*******8A

Round PCB panelisation - mouse bite

Hi, If "Panel by JLCPCB" is selected during checkout, Can JLCPCB offer mouse bite panelisation for round (cicrle) boards? ......

0 Reply Asked by 10*******8A

What is the board to board spacing for V-score?

What is the board to board spacing for V-score and the trace offset from the V-score boundary?

0 Reply Asked by 31*******8A

Hello, can you do this on a flex pcb? The distances between the tracks are smaller than recommended.

1 Reply Asked by 62*******6A

How to apply an image to all boards when panelizing and using color silk screen printing?

The guide states that EasyEDA Pro does not support copying images to new boards during panelization and that it only appli......

1 Reply Asked by 97*******2A

engeeniring

i found a pcb online with a gerber file, so i do not know how to edit file to make the pcb wires / traces as thin as possi......

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

Copper pour best practice?

Hello, Does JLCPCB make any specific recommendations about Copper Pour areas, copper density, and balance between layers o......

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

Pre fabricated boards

Do you provide amplifier board design

1 Reply Asked by 11*******5A

Stencil apertures - is it a bug or a feature?

Hello JLPCB support, the last stencils we ordered have shown different apertures for the Pads on nearly all openings of th......

0 Reply Asked by 49*******7A

Partial PCB Assembly with Remaining Components Shipped

If i order PCBs from JLCPCB and components from LCSC, I want to manually solder some of the components to the pcb, are the......

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

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

Partial TH assembly - what happens to unused through holes?

We want to only have JLCPCB solder some of the TH parts on our boards because we have a lower cost source for the other TH......

1 Reply Asked by 33*******2A

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

Subject: Question about Surface Finish on Aluminum 6061

Dear JLCCNC Team, I would like to ask about the bead blasting + anodizing surface treatment on Aluminum 6061. Could you pl......

1 Reply Asked by 96*******8A