Recommendation for PCB fab?
-
One visible difference though is that the elecrow pads are silvery in color, whereas the OSH Park pads are brass/gold in color:
Does it matter?Also, the OSH Park boards have the annoying mouse bites, whereas the Elecrow are nice smooth edges.
-
The default surface finish at Elecrow is HASL. ENIG is goldie colour but more expensive. There are a few others as well.
Good explanation of differences: http://www.epectec.com/articles/pcb-surface-finish-advantages-and-disadvantages.html
OSH might be using OSP / Entek coating.IMHO it is an appearance thing for us hobbyists. As long as it is not bare copper it should be ok.
-
Today I received another order from Elecrow. This time it took 18 days to receive from the date of order. However, they did send me 12 boards instead of 10, so that's nice. :)
@NeverDie said in Recommendation for PCB fab?:
Today I received another order from Elecrow. This time it took 18 days to receive from the date of order. However, they did send me 12 boards instead of 10, so that's nice. :)
That is still pretty quick if you selected the cheap shipping option !
-
@NeverDie said in Recommendation for PCB fab?:
Today I received another order from Elecrow. This time it took 18 days to receive from the date of order. However, they did send me 12 boards instead of 10, so that's nice. :)
That is still pretty quick if you selected the cheap shipping option !
@Nca78 said in Recommendation for PCB fab?:
That is still pretty quick if you selected the cheap shipping option !
Yup, it was this board here: https://www.openhardware.io/view/472/Ebyte-nRF52832-Prototyping-Board
Shipped using the cheapest shipping option.
-
@NeverDie said in Recommendation for PCB fab?:
Today I received another order from Elecrow. This time it took 18 days to receive from the date of order. However, they did send me 12 boards instead of 10, so that's nice. :)
That is still pretty quick if you selected the cheap shipping option !
Elecrow is a good fab imho and yes they are very generous - I received too my boards today and instead of 5pcs I received 11pcs !!!. And this is not the first time they deliver more than requested. The price - 5$ for boards and 3.5$ shipping(standard mail) - 8.5$ in total. And yes they are the cheapest and pretty good quality pcbs - I'm very pleased about their services so far. They beat all the Chinese fabs including shipping so far(and the quality is pretty good - at least for what I need my pcbs for it's well beyond my expectations).
-
At the moment I'm getting a PCB fabricated by pcbway (my fist time using them). They give tracking info which (allegedly) shows exactly where your PCB is in the manufacturing process. For example, here's the status of my board at this very moment:
MI (Manufacture Instruction) 11/13/2017 10:04:37 AM Cut Lamination 11/13/2017 11:41:12 AM Drill 11/13/2017 11:44:05 AM Plated Through Hole Circuit Etching AOI Solder Mask Silkscreen Surface Treatment Double Drilling Routing Testing Package Delivery Readyi.e. the first drilling is finished, and the next step for it is the thru-hole plating. They update the status once every 5 minutes.
The other interesting thing is that they have a chat window, so you can chat with them anytime about your order. I asked them a question at about 4am China time, and within about a minute or two I got an answer.
-
In case anyone is interested, here's a record of how much time each step in the fabrication took:
MI (Manufacture Instruction) 11/13/2017 10:04:37 AM Cut Lamination 11/13/2017 11:41:12 AM Drill 11/13/2017 11:44:05 AM Plated Through Hole 11/13/2017 3:12:32 PM Circuit 11/13/2017 4:07:36 PM Etching 11/13/2017 6:03:07 PM AOI 11/13/2017 7:33:56 PM Solder Mask 11/13/2017 7:34:02 PM Silkscreen 11/13/2017 9:20:59 PM Surface Treatment 11/13/2017 10:36:35 PM Double Drilling 11/14/2017 12:48:23 AM Routing 11/14/2017 4:23:57 AM Testing 11/14/2017 4:50:50 AM Package 11/14/2017 7:56:46 AMI had thought that maybe they could fabricate and ship on the same day, but apparently fabrication takes too long for that.
-
I've started a second order through PCBway, and it appears that they start fabrication on a batch each day around 10 or 11am China time. If you get your order in and it passes their review before then, then most likely they'll start fabricating it that day. Otherwise, it appears that the order rolls over to the next day.
One nice feature is that you can keep adding new items to the order even after fabrication has started on some of them. In this case, the shipping cost on all the items is combined and the shipping deadline for the entire order is governed by the last item ordered.
-
FWIW, I received this micro-USB test board from PCBway today:
As you can plainly see, it appears they had no difficulty fabricating the plated slots. In fact, they didn't even flag it as a possible issue. -
It seems there's a fast + good (enough) + cheap options now, AllPCB asks 5$ for 10 boards up to 100*100mm, it's limited to 1.6mm, green or white color (take the green, quality of the white silkscreen is not good, not fitting between pads of an atmega328 for example).
Doesn't sound like a great offer now, but there are some insane things :- the "top speed" option is included meaning your board are done in 2-3days after order
- there is free shipping with HK Post
- there is free shipping ... with DHL :open_mouth:
Result is boards received 6 days after placing orders, very impressive !
And good point I order 10 but for the biggest bord (98*98mm) I received 12, and for the smallest I received... 34 while with another small board I received around 20.So if you want to test your boards quickly and don't mind the 1.6mm thickness in green color, this is the perfect offer. Every option that you will select (color, thickness, panelization,...) will make the price increase quickly, but it's a good way to test functionality of your board quickly then order fancy colors/thickness etc from another fab when your board is completely designed.
-
It seems there's a fast + good (enough) + cheap options now, AllPCB asks 5$ for 10 boards up to 100*100mm, it's limited to 1.6mm, green or white color (take the green, quality of the white silkscreen is not good, not fitting between pads of an atmega328 for example).
Doesn't sound like a great offer now, but there are some insane things :- the "top speed" option is included meaning your board are done in 2-3days after order
- there is free shipping with HK Post
- there is free shipping ... with DHL :open_mouth:
Result is boards received 6 days after placing orders, very impressive !
And good point I order 10 but for the biggest bord (98*98mm) I received 12, and for the smallest I received... 34 while with another small board I received around 20.So if you want to test your boards quickly and don't mind the 1.6mm thickness in green color, this is the perfect offer. Every option that you will select (color, thickness, panelization,...) will make the price increase quickly, but it's a good way to test functionality of your board quickly then order fancy colors/thickness etc from another fab when your board is completely designed.
@Nca78 Great post! Thank you. I ordered a PCB from them to see if they can handle plated slots. So far it appears they can: it passed their review without comment, and it's now in fabrication.
Just curious: is there any particular reason to think 1.6mm isn't thick enough for the final board rather than just a test board? I mean, maybe for BGA, but I don't think anyone here is using that.
-
Warning: do NOT make boards with white solder mask at AllPCB, keep the green color as it's the only cheap color available.
I had all sorts of problems with boards made in white, I probably have a design problem with that board but the solder mask that peels away too easily (and pads following closely !) make it hard to solder a QFN component correctly.No problem with green color until now.
-
Warning: do NOT make boards with white solder mask at AllPCB, keep the green color as it's the only cheap color available.
I had all sorts of problems with boards made in white, I probably have a design problem with that board but the solder mask that peels away too easily (and pads following closely !) make it hard to solder a QFN component correctly.No problem with green color until now.
@nca78 It was great while it lasted. They just raised their rates from $5 to $20, including the DHL shipping. :sob:
I could place my order on Monday and receive it on Friday, all for $5. Knew it wouldn't last though. Like you say, their pricing was "insane." In a way, I suppose it still is.
[Edit: Correction, the old deal is still good. :) It's for 5 pieces now instead of 10. Get it while it lasts!]
-
@nca78 It was great while it lasted. They just raised their rates from $5 to $20, including the DHL shipping. :sob:
I could place my order on Monday and receive it on Friday, all for $5. Knew it wouldn't last though. Like you say, their pricing was "insane." In a way, I suppose it still is.
[Edit: Correction, the old deal is still good. :) It's for 5 pieces now instead of 10. Get it while it lasts!]
