[sdiy] Makera PCB blanks

[brianw]

There might be thermal expansion issues with removing all the copper from one side of a PCB, but it probably depends upon the process and the size of the board.

If single-sided is unbelievably cheap, and it's what you need, then by all means go with single-sided.

Brian


On Jan 3, 2025, at 5:44 PM, Doug Jackson wrote:
> Surely you can synthesise a singles sided PCB by etching all the copper off one side of a double dises PCB and not specifying a solder mask layer.
> 
> 
> On Sat, 4 Jan 2025, 12:24 pm brianw, <brianw at audiobanshee.com> wrote:
>> I have never used Makera, but if they quote FR-4 then it has to be fiberglass, right?
>> 
>> I've used Advanced Circuits, Prototron, Circuit Services Northwest, and OSH Park. None of those offer single-sided PCB options, so perhaps the low prices you're seeing are just dumping of old stock?
>> 
>> Brian
>> 
>> 
>> On Jan 3, 2025, at 4:46 PM, David G Dixon wrote:
>> > Hey Synth DIY Team,
>> >  
>> > Has anybody here ever ordered PCB blanks from Makera?  I just found them on the web, and the price seems too good to be true ($1.19 for a 200x150 mm single-sided FR-4 blank).
>> >  
>> > I'm just wondering if they are decent quality, and are truly fibreglass (and not phenolic), and have decent copper plating.
>> >  
>> > Cheers,
>> > Dave Dixon