PCB - JLCPCB Q&A

Silkscreen Over Solder Mask Opening

Can silkscreen be printed over removed soldermask? or Will silkscreen be removed from soldermask openings WITHOUT copper u......

1 Reply Asked by 34*******2A

Combine orders

can i combine a pcb order with component order from LCSC?

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

Tapered Traces

Greetings, Are you capable of printing tapered traces? Thank you in advance!

1 Reply Asked by 81*******8A

add another board

i have placed an order and already pay for it it still in production i want to add another board and add it to the deliver......

1 Reply Asked by 31*******4A

PCB - Surface Finish

PCB : FR-4 “Can you work without PCB surface finishing?” NO HASL NO LeadFree HASL NO ENIG

1 Reply Asked by 50*******9A

In how many mm increments can I specify the drill hole diarmeter?

1 Reply Asked by 73*******6A

what is the life utility of a PCB?

1 Reply Asked by 73*******6A

via-in-pad on flex pcb

is it possible to do via in pad on a flex pcb? https://jlcpcb.com/blog/704-jlcpcb-free-via-in-pad

1 Reply Asked by 69*******7A

What is the dielectric constant for the FR-4

What is the dielectric constant or relative permittivity for the FR-4 material used in JLC's 1 oz, 2 layer PCB?

1 Reply Asked by 80*******9A

PCB data sheet

Hello, For our CE certificates, we need the data sheet of all the components. Can you provide it for PCB? The data needed:......

1 Reply Asked by 22*******5A

Aluminium Stackup Values

Hello, I am working on a LED project which is locate on an aluminium plate. I couldn't find the layer stack values for Alt......

1 Reply Asked by 80*******2A

Gerber file requirements

Hello, I exported the gerber files from my EM solver. It is an RF design. It seems there is a problem with it. I can not s......

1 Reply Asked by 30*******1A

edge cut bugs

hello have you encountered a bug like this: it seems to me like every layer has become an edge cut ive had files that have......

1 Reply Asked by 68*******2A

Impedance Calculator, Coplanar or non-coplanar

Dear JLCPCB Engineer, Some of my PCB designs involve high-frequency signals and require traces with specific characteristi......

2 Replies Asked by 61*******7A

Placing Oval Slot Shaped Hole VS Drawing slot lines in Edge.Cuts layer

In KiCad 8, let's say I draw a square outline on the Edge.Cuts layer to define the shape of my PCB. If I want to create an......

1 Reply Asked by 77*******8A

silkscreen over pads and vias

Hello! Is it critical if silkscreen printing in gerber files lies on top of copper pads and vias? thanks for the answer!

1 Reply Asked by 79*******2A

delivery in angola

There are also deliveries in Angola and how can I make one in my country?

1 Reply Asked by 75*******7A

Via Hole size

Is the minimum via hole size/diameter the finished hole size or drill size, and after plating the finished hole size will ......

1 Reply Asked by 80*******3A

Through-hole connectors aluminum PCB

In an aluminum PCB, is it possible to use through-hole connectors to connect them to the copper layer, or would they short......

1 Reply Asked by 71*******4A

Coplanar and non-coplanar Impedance calculator

Dear JLCPCB, I am using your online Impedance calculator but still have some confusion: - My application involves a standa......

2 Replies Asked by 61*******7A

PCB - JLC3DP Q&A