PCB - JLCPCB Q&A

UL certification

Good morning Gentlemen, we have a need to have UL marked pcb supplies with relevant certification, are you able to do this......

3 Replies Asked by 32*******8A

Silkscreen (legend) over the tented via

I am using tented vias on my board. Size of the via is: - hole diameter 0.3 mm - external diameter 0.7mm Materisl of the s......

1 Reply Asked by 62*******0A

Complex shape boards?

Are you manufacturing board with complex shape, like partly circular, partly polygonal? See example. Thank you, Alex Shers......

1 Reply Asked by 38*******5A

problems with the payment system

Can the payment system use a virtual account? I want to order a PCB design that I already have, but there are problems wit......

1 Reply Asked by 35*******5A

PCB Storage

Hi, Can you provide any guideline for PCB storage ? At what temperature & humidity do we need to store the received PCBs?

1 Reply Asked by 27*******3A

Copper PCB Stackup

Hello, What is the composition of the insulating layer of the Copper PCB material? How thick is the insulating layer? Is t......

1 Reply Asked by 33*******1V

Flex impedance control

Hi there, Do you have any information about impedance control on flex boards? I did not find any options for that when ord......

1 Reply Asked by 26*******9A

BGA design considerations

Hello, i would like to design a PCB with a BGA footprint on it that has a pitch of 0.35 mm. It seems like you support BGA ......

1 Reply Asked by 34*******6A

Flex PCB limit

How many flexes are your flex PCBs rated to? I'm trying to spec a flexible PCB to join to a constantly moving carriage, bu......

1 Reply Asked by 64*******3A

minimum via size vs. minimum annular ring size

The JLCPCB capabilities page says the preferred minimum via hole size is 0.2mm, and the via diameter should be 0.15mm larg......

1 Reply Asked by 23*******3A

Technical questions on Flex PCB

Hello, I'm interested in a Flex PCB and I have some technical questions: 1) what is the minimum curvature radius for the f......

1 Reply Asked by 47*******8A

No solder resist

Hello, I want to order a board with no resist at all, If I upload gerbers without resist layers will that work? Regards, C......

1 Reply Asked by 24*******4A

Hard gold plating for edge connectors

I have read that edge connector fingers should have a hard plated gold to withstand repeated plugging in and out of the ca......

1 Reply Asked by 43*******4A

Low-cost shipping to UK duty paid

I'd like to order some PCBs to be sent to the UK DDP; however the only DDP option is for a very costly and (unnecessarily)......

1 Reply Asked by 51*******8A

How to generate correct gerber files by Eagle

I sent gerber files but there is some problems. your reply is : 1) The welding resistance layer is wrong. The character te......

1 Reply Asked by 58*******4A

Mirroring the pcb design

Hi! Should I mirror my pcb design before uploading gerber files or you do this automatically? It's one sided pcb. Thanks!

1 Reply Asked by 42*******6A

Plated edges

I am interested in getting a PCB made that has parts of the edge plated, but not castellated holes. I do not see a specifi......

1 Reply Asked by 50*******4A

Is it possible to correct or cancel an order ?

I placed an order but the thickness is incorrect, is it possible to correct it ? or cancel to place a new order ?

1 Reply Asked by 43*******3A

replace gerber files

I need to replace my gerber production files on a current order. whre is the replace button mentioned in the email i recei......

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

Milling and breakaway with mouse-bites on panel

I am currently designing a 4 column, 2 row panel. I have 2 questions: - For breakaway with mouse-bites what is your recomm......

1 Reply Asked by 21*******6A

PCB - JLC3DP Q&A