[FS]: Cheapest tinned printed circuit boards (PCB's)

[msdesigner]

Bellow , some tinned pcb's

[free_electron]

All the ping-pong in comments aside msdesigner managed to fill4 pages with pictures of pcb's and his email address. Search machines pick this up ... free advertisement for him . I see this as a clever 'hack' of a popular forum to get business.

@ msdesigner : if you want to be serious about what you are doing give us a bit of information

- what drill sizes do you have available ? can you drill a 0.5mm hole ? a 0.4 mm ? a 0.3 mm hole ?
- how much copper do you need around the hole ? 6 mils ? 8 mils ? 10 mil ?
- how much opening do you need between 2 traces ? 6 mil ? 8 mil ? 10 mil ?
- can you do double sided ?

the answer to the above question will let people design boards that fall well within your capabilities. we can't just design board blind , we need design rules. without rules a board is not designed but 'slapped together'.

Judging from the foto's you are not drilling with tungsten carbide nor a spindle. i see plenty of pads that have 'volcano' holes ( meaning the copper is lifted up form the board around the hole ). this leads me to the conclusion you are hand-drilling , with the wrong drills/ old drills / spent drill at the wrong speed and pressure.

[c4757p]

Dear user  c4757p , I think that is better to show us also your pcb's done.
Only to say something against is not the right way.

I gave numerous suggestions as well, I didn't only put down what you're doing. I thought the bit about using image formats which support physical dimensions was rather helpful, as well as what we all keep talking about - a list of your specifications!  I'm not just telling you you're terrible. Quit reading with your eyes closed.

Most of my PCBs are either inside devices, which I can't be bothered to take apart, or in the trash. I don't keep perfectly good ones lying around, and sorry, I didn't take any pictures of them before that.

Also your " language " used till that moment about my post , shown me your level education.

Bite me.

I'm not obliged to prove my capabilities to nobody, I HAVE ONLY PRESENT SOME PROJECTS OF MINE.

Of course you're not. I'm trying to explain to you that you would get more customers if you did something a certain way. You're not obliged to prove your capabilities, and we're not obliged to pay you for them.

[msdesigner]

Yes ! you have right ..this " ping-pong: I don't like it too.
The  holes on CEM3 looks as you said.
I'll be back in next days with some technical aspects about sizes ( holes traces )

As you can see in FR4 holes are properly done it .

After soldering this aspects about holes .......... will be not.

Yes! you have right is helpfull for designing to know from beginning the allowed holes , traces. .........

..............I never had in mind somthing like " hack way for business" ...............

I work in one multinational company ( 3D mechanical designer ) .............and I'm really NOT interested for any incoming from my hobby ( pcbs manufacturing)

About this forum : YES ! .....seems to be famous ..like some other forums .....with plenty of visitors and users.

All the ping-pong in comments aside msdesigner managed to fill4 pages with pictures of pcb's and his email address. Search machines pick this up ... free advertisement for him . I see this as a clever 'hack' of a popular forum to get business.

@ msdesigner : if you want to be serious about what you are doing give us a bit of information

- what drill sizes do you have available ? can you drill a 0.5mm hole ? a 0.4 mm ? a 0.3 mm hole ?
- how much copper do you need around the hole ? 6 mils ? 8 mils ? 10 mil ?
- how much opening do you need between 2 traces ? 6 mil ? 8 mil ? 10 mil ?
- can you do double sided ?

the answer to the above question will let people design boards that fall well within your capabilities. we can't just design board blind , we need design rules. without rules a board is not designed but 'slapped together'.

Judging from the foto's you are not drilling with tungsten carbide nor a spindle. i see plenty of pads that have 'volcano' holes ( meaning the copper is lifted up form the board around the hole ). this leads me to the conclusion you are hand-drilling , with the wrong drills/ old drills / spent drill at the wrong speed and pressure.

[msdesigner]

My attitude is a very friendly one if the others playing the same.

I already presented some pictures with my released pcb's for others.
So who is really interested will send me an e-mail with pcb file ,and everything became more simple, than to stay to talk nothing on forum.

Who don't like the quality of pcb's done ( according received files ), is open to go to order to professional manufacturer.
THE TRACES WIDTH REMAINED THE SAME AS IN ORIGINAL FILE

I only offer a cheap alternative with SEMI-PROFESSIONAL LOOK of pcb's for electronics enthusiasts without technical posibilities to build OWN ELECTRONIC KIT ( home made ) , for private use ,,,,,,,,,,,,because PCB IS MISSING

[/size]

the errors ....could exist of course .......by side of pcb designer .........and also from me !
What I don't like is , if people want latest technology about pcb's ( 0,1 mm traces ..32 layers ............... with 1 $ ...........
That why I have this attitude .............but I realize in fact that they know nothing about pcb's..............

I never played like " mouse with cat with nobody " ........I have a very good references about the ones which ordered pcb's to me.

Is not a business....and never will be .......in pcb's manufacturing. .......I only play !

But you're the one saying you can do "motherboard" quality PCBs...

I'm not saying everyone wants tiny PCB tracks and micro vias, etc. Just that people want to know what you can do! Then they can design boards to your spec. It makes life easier! Don't you want to make it easy for your customers? Or maybe you just want to insult them? o_O

[c4757p]

Look, I don't mean to be an asshole. I understand you're just doing this as a hobby thing and don't mean for it to be big business, and yes, it can be daunting when other people expect it to be. I tried to offer a few helpful suggestions, and yes, I got a bit grumpy about the "PC motherboard" thing. I don't mean to make you feel like I'm bombarding you with criticism, I just want to help you fix a few things so people will take this more seriously. Apologies if it came across as mean.

But lose the comments about people's "level of education". That's not how you should handle criticism, no matter how harsh it is.

[msdesigner]

I did not said anything "dirty" or "bad" about you ............ if you look again to all your comments from my post , maybe yo'll give me the right !
Who I am to judge you ? .....but others who'll see this that post maybe will have the same opinion about you.

.........but this topic and this forum is not about this kind of discussions.

CONCLUSION for my pcb's :

- LOWEST PRICE / QUALITY
- MINIMUM QUANTITY : 1 PCE
- PRICE / PCB IS NOT DEPENDING OF NUMBER OF ORDERED BOARDS
- VERY GOOD QUALITY FOR HOME-MADE AND PROTOTYPING APPLICATIONS

...............................

Look, I don't mean to be an asshole. I understand you're just doing this as a hobby thing and don't mean for it to be big business, and yes, it can be daunting when other people expect it to be. I tried to offer a few helpful suggestions, and yes, I got a bit grumpy about the "PC motherboard" thing. I don't mean to make you feel like I'm bombarding you with criticism, I just want to help you fix a few things so people will take this more seriously. Apologies if it came across as mean.

But lose the comments about people's "level of education". That's not how you should handle criticism, no matter how harsh it is.

[M. András]

seriously, just make a demo board from 1 of the pcb manufacturers list in the beginning of this thread there was the itead's demo pcb if you do that or say the specs it would be better without pages of advertisment, nobody in their right mind will send you files and pay for a result and end up being disappointed

[msdesigner]

Everybody is free to choose what is the best for him.

seriously, just make a demo board from 1 of the pcb manufacturers list in the beginning of this thread there was the itead's demo pcb if you do that or say the specs it would be better without pages of advertisment, nobody in their right mind will send you files and pay for a result and end up being disappointed

[M. András]

you state you are a mechanical engineer 3d modelling etc. then you know that you cannot design things without knowing the manufacturers capability. i cannot do a piece of metalwork on a model for a 5 axis cnc maxhine if the manufacturer only have 2 manual mills. i hope you understand what i mean by this.

[Skimask]

I see the O/P is STILL dancing around the subject...

[msdesigner]

Attached is the printed circuit board, just released , as c4757p user inquiry.
Sorry for picture quality ( did it with old mobile phone camera )
Anyway the pcb looks much better than in picture.

For perfect traces, I can make it with another technology ( more expensive), but attached pcb I did it in cheapest way , and looks great for home-made release. I consider that is more than enough for FREE DEMO PRESENTATION of printed circuit board.

I try to  make better pictures of this pcb ( with details) in next days, but I will not post them here in this topic ( only to private e-mail outside of this forum )

In order to solder on this pcb you need at least 20x magnifier lens.



 

I can make the traces and pad's with density as PC motherboards. ........but I had not till the moment any inquiry like that.

Attached is 1200dpi (1.6 by 1.3 inch). It passes 8/8 DRC, so surely it shouldn't be a problem for you?

[Bored@Work]

I see the O/P is STILL dancing around the subject...

The OP has a special place in the hearts of the moderators. They like how he is taking us for a ride.

[GeoffS]

This user was placed on the ban list a few days ago after a reported post. For some reason the ban didn't activate.
This oversight has been corrected.