[neonixie-l] Re: PCB fabricator recommendations/comparisons?

[Robert L]

I've had good results with SEEED Studio Fusion... A few minor issues 
recently around the Chinese New Year, but minor and they were addressed and 
resolved.

Keep your board under 100mm x 100mm and 2-layers and you will get 10 boards 
for $4.90 plus a $22 or more hit for DHL shipping from China. II usually 
collect a batch of boards to combine shipping and pay just one DHL cost at 
around $22 to $30 depending on how many boards... how much weight. DHL is 
consistently 2 days to the SF Bay area. Just designed some small power 
supply boards for a work project. Boards are 40mm x 50mm, 2 layer. I 
generated Gerbers for a 2x2 array of the boards with V-Cuts to separate. 
These fit within the 100 x 100 mm low cost constraint. V-Cuts make it easy 
to separate the boards by hand leaving decent clean edges. I get 40 2-layer 
supply boards for under $30. Not at all bad! I also like color coding my 
boards taking advantage of the 5 or 6 colors available from SEEED. Have 
also had nice results with internal router cuts.

I've been using OSH Park for some of my smaller boards at 2 and 4 layers... 
3 boards for $5 (2-layer) and $10 (4-layer) per square inch.  Another of my 
boards is under a half inch square. How do they even cover the cost of 
postage? Quality has been excellent, customer service has been great as 
well. OSH is my solution for prototyping circuits that are way to fine 
pitch, way too small to do any other way. 

I'm using a Whizoo re-flow toaster with excellent results as well. But 
that's a topic for some other thread!

Regards,
Bob

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[neonixie-l] Name that tube

[Paul Andrews]

I just got this tube and have no idea what it is. It is a round, top view 
nixie. The digit size is 7-8mm and it has leads, not pins. Anyone have any 
idea?



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Re: [neonixie-l] PCB fabricator recommendations/comparisons?

[John Rehwinkel]

> I've been using OSHPark to have my designs made up, and they are great, but I 
> figure I should try a few other manufacturers and recently went to look at 
> pcbway. So I am wondering if anyone has experience of OSHPark and any other 
> manufacturer (but particularly PCBWay), and could give me some idea of what 
> to Watch out for when trying to move from OSHParknto someone else.

I've done some boards with PCBGoGo, and was reasonably impressed.  I opted for 
red soldermask and lead-free HASL.  Turnaround was FAST (including fast 
shipping), price is low, and the boards are nice.  I had specified the outline 
to be routed with radiused corners, and they were, all edges smooth (instead of 
the "mouse bites" from depanelizing like the boards from OSHPark).

I don't have a lot of info handy on their via restrictions and so forth (my 
boards so far have been undemanding), but they support down to 4 mil lines and 
4 mil spacing, and a minimum drill size of 0.2mm.  They're good about answering 
email (but they're in China, so their business hours are in a different time 
zone than I am).

https://www.pcbgogo.com/PCB_capabilities.html 


I've also worked with CircuitHub, getting some thin (1mm) boards with black 
soldermask and some fairly fine traces and small vias, they came out fine, but 
they're more of a fab house than a PCB house, and more expensive and slower 
than PCBGoGo.

https://circuithub.com/ 

- John

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[neonixie-l] PCB fabricator recommendations/comparisons?

[Paul Andrews]

Hi,

I've been using OSHPark to have my designs made up, and they are great, but I 
figure I should try a few other manufacturers and recently went to look at 
pcbway. So I am wondering if anyone has experience of OSHPark and any other 
manufacturer (but particularly PCBWay), and could give me some idea of what to 
Watch out for when trying to move from OSHParknto someone else.

For example, PCBWay's base offering is TG 130-140 - is this suitable for 
reflow? OSHPark is TG170. PCBWay's base offering minimum hole size is .3mm, 
this is possibly only relevant (to me) for vias. I'm not sure how this compares 
with OSHPark, but it makes me want to ask if there are specific design 
constraints I should be aware of for other fabricators, that perhaps OSHPark 
has implicitly let me get away with. I've compared all of the explicitly stated 
design constraints of the two shops, and apart from the TG rating and the 
minimum hole size, it seems that PCBWay would handle boards designed for 
OSHPark with no problems.

Of course once you stray from their base offering, things can get expensive 
real fast, but at least HASL lead-free is still reasonable (their base offering 
is not lead-free) - and they offer different solder mask colors :)

Thanks - Paul

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