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$begingroup$
I have a PCB with no solder mask with a very dense layout and a very fine trace spacing.
I didn't get a solder mask because it's still in the prototyping phase, and it's way cheaper.
I keep having to stop, find the new shorts that keep popping up, and remove metal fibers that are barely visible.
From what I can tell the fibers are aluminum from the pcb so a magnet is no help.
Is there a trick to remove them faster or a way to stop this from happening?
pcb-fabrication short-circuit debugging
edited 12 hours ago
Michael Karas
44.5k348103
asked 12 hours ago
TonyTony
31019
$endgroup$
|
show 4 more comments
$begingroup$
I have a PCB with no solder mask with a very dense layout and a very fine trace spacing.
I didn't get a solder mask because it's still in the prototyping phase, and it's way cheaper.
I keep having to stop, find the new shorts that keep popping up, and remove metal fibers that are barely visible.
From what I can tell the fibers are aluminum from the pcb so a magnet is no help.
Is there a trick to remove them faster or a way to stop this from happening?
pcb-fabrication short-circuit debugging
edited 12 hours ago
Michael Karas
44.5k348103
asked 12 hours ago
TonyTony
31019
$endgroup$
1
$begingroup$
Aluminum? That would be rare as aluminum is pretty much only used for the heat sink layer of a metal core pcb. More likely you're learning about Tin whiskers and would benefit from reading more about them. I don't know the answer to this question the way you've phrased it other than "better tools, use solder mask"
$endgroup$
– K H
12 hours ago
$begingroup$
compressed air?
$endgroup$
– Wesley Lee
12 hours ago
$begingroup$
Compressed air didn't help. Your right it is Tin... I looked at "whiskering" on wikipedia, that seems to be whats happening. Tomorrow I'll get some solder on the problem traces and see if that fixes it.
$endgroup$
– Tony
12 hours ago
$begingroup$
Who did the soldering?
$endgroup$
– Ale..chenski
11 hours ago
$begingroup$
Yes, there is one proven way: USE MORE FLUX.
$endgroup$
– Ale..chenski
11 hours ago
|
show 4 more comments
$begingroup$
I have a PCB with no solder mask with a very dense layout and a very fine trace spacing.
I didn't get a solder mask because it's still in the prototyping phase, and it's way cheaper.
I keep having to stop, find the new shorts that keep popping up, and remove metal fibers that are barely visible.
From what I can tell the fibers are aluminum from the pcb so a magnet is no help.
Is there a trick to remove them faster or a way to stop this from happening?
pcb-fabrication short-circuit debugging
edited 12 hours ago
Michael Karas
44.5k348103
asked 12 hours ago
TonyTony
31019
$endgroup$
I have a PCB with no solder mask with a very dense layout and a very fine trace spacing.
I didn't get a solder mask because it's still in the prototyping phase, and it's way cheaper.
I keep having to stop, find the new shorts that keep popping up, and remove metal fibers that are barely visible.
From what I can tell the fibers are aluminum from the pcb so a magnet is no help.
Is there a trick to remove them faster or a way to stop this from happening?
pcb-fabrication short-circuit debugging
pcb-fabrication short-circuit debugging
edited 12 hours ago
Michael Karas
44.5k348103
asked 12 hours ago
TonyTony
31019
edited 12 hours ago
Michael Karas
44.5k348103
asked 12 hours ago
TonyTony
31019
edited 12 hours ago
Michael Karas
44.5k348103
edited 12 hours ago
Michael Karas
44.5k348103
edited 12 hours ago
Michael Karas
44.5k348103
44.5k348103
asked 12 hours ago
TonyTony
31019
asked 12 hours ago
TonyTony
31019
asked 12 hours ago
TonyTony
31019
31019
1
$begingroup$
Aluminum? That would be rare as aluminum is pretty much only used for the heat sink layer of a metal core pcb. More likely you're learning about Tin whiskers and would benefit from reading more about them. I don't know the answer to this question the way you've phrased it other than "better tools, use solder mask"
$endgroup$
– K H
12 hours ago
$begingroup$
compressed air?
$endgroup$
– Wesley Lee
12 hours ago
$begingroup$
Compressed air didn't help. Your right it is Tin... I looked at "whiskering" on wikipedia, that seems to be whats happening. Tomorrow I'll get some solder on the problem traces and see if that fixes it.
$endgroup$
– Tony
12 hours ago
$begingroup$
Who did the soldering?
$endgroup$
– Ale..chenski
11 hours ago
$begingroup$
Yes, there is one proven way: USE MORE FLUX.
$endgroup$
– Ale..chenski
11 hours ago
|
show 4 more comments
1
$begingroup$
Aluminum? That would be rare as aluminum is pretty much only used for the heat sink layer of a metal core pcb. More likely you're learning about Tin whiskers and would benefit from reading more about them. I don't know the answer to this question the way you've phrased it other than "better tools, use solder mask"
$endgroup$
– K H
12 hours ago
$begingroup$
compressed air?
$endgroup$
– Wesley Lee
12 hours ago
$begingroup$
Compressed air didn't help. Your right it is Tin... I looked at "whiskering" on wikipedia, that seems to be whats happening. Tomorrow I'll get some solder on the problem traces and see if that fixes it.
$endgroup$
– Tony
12 hours ago
$begingroup$
Who did the soldering?
$endgroup$
– Ale..chenski
11 hours ago
$begingroup$
Yes, there is one proven way: USE MORE FLUX.
$endgroup$
– Ale..chenski
11 hours ago
1
1
$begingroup$
Aluminum? That would be rare as aluminum is pretty much only used for the heat sink layer of a metal core pcb. More likely you're learning about Tin whiskers and would benefit from reading more about them. I don't know the answer to this question the way you've phrased it other than "better tools, use solder mask"
$endgroup$
– K H
12 hours ago
$begingroup$
Aluminum? That would be rare as aluminum is pretty much only used for the heat sink layer of a metal core pcb. More likely you're learning about Tin whiskers and would benefit from reading more about them. I don't know the answer to this question the way you've phrased it other than "better tools, use solder mask"
$endgroup$
– K H
12 hours ago
$begingroup$
compressed air?
$endgroup$
– Wesley Lee
12 hours ago
$begingroup$
compressed air?
$endgroup$
– Wesley Lee
12 hours ago
$begingroup$
Compressed air didn't help. Your right it is Tin... I looked at "whiskering" on wikipedia, that seems to be whats happening. Tomorrow I'll get some solder on the problem traces and see if that fixes it.
$endgroup$
– Tony
12 hours ago
$begingroup$
Compressed air didn't help. Your right it is Tin... I looked at "whiskering" on wikipedia, that seems to be whats happening. Tomorrow I'll get some solder on the problem traces and see if that fixes it.
$endgroup$
– Tony
12 hours ago
$begingroup$
Who did the soldering?
$endgroup$
– Ale..chenski
11 hours ago
$begingroup$
Who did the soldering?
$endgroup$
– Ale..chenski
11 hours ago
$begingroup$
Yes, there is one proven way: USE MORE FLUX.
$endgroup$
– Ale..chenski
11 hours ago
$begingroup$
Yes, there is one proven way: USE MORE FLUX.
$endgroup$
– Ale..chenski
11 hours ago
|
show 4 more comments
1 Answer
1
active
oldest
votes
$begingroup$
The trick to stop this from happening is to order your PCB with solder mask. Do consider the cost of your time when deciding that it is cheaper to order boards without.
answered 12 hours ago
Michael KarasMichael Karas
44.5k348103
$endgroup$
$begingroup$
I got this board w/ 1 day turn around time with overnight shipping for $250 vs paying over $2000 and 5 day turn around when including a solder mask for a design that hasn't been proven.
$endgroup$
– Tony
11 hours ago
$begingroup$
You might also want to consider using leaded solder, as lead inhibits the formation of whiskers, if that is your problem. As long as you dispose of it properly, there's nothing wrong with using lead in your prototypes, just try to keep it out of any final products.
$endgroup$
– Hearth
11 hours ago
$begingroup$
Yep, that's all we use. All of our designs are just for internal use.
$endgroup$
– Tony
11 hours ago
$begingroup$
Did you end up using more or less than $1750 worth of your time finding and fixing shorts, though?
$endgroup$
– The Photon
10 hours ago
$begingroup$
And if you add a couple of days looking for the shorts (or if they show up as glitches in the future), that 2000$ price tag falls drastically for 48hr and 72hr fabrication.
$endgroup$
– Wesley Lee
9 hours ago
|
show 2 more comments
Your Answer
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1 Answer
1
active
oldest
votes
1 Answer
1
active
oldest
votes
active
oldest
votes
active
oldest
votes
$begingroup$
The trick to stop this from happening is to order your PCB with solder mask. Do consider the cost of your time when deciding that it is cheaper to order boards without.
answered 12 hours ago
Michael KarasMichael Karas
44.5k348103
$endgroup$
$begingroup$
I got this board w/ 1 day turn around time with overnight shipping for $250 vs paying over $2000 and 5 day turn around when including a solder mask for a design that hasn't been proven.
$endgroup$
– Tony
11 hours ago
$begingroup$
You might also want to consider using leaded solder, as lead inhibits the formation of whiskers, if that is your problem. As long as you dispose of it properly, there's nothing wrong with using lead in your prototypes, just try to keep it out of any final products.
$endgroup$
– Hearth
11 hours ago
$begingroup$
Yep, that's all we use. All of our designs are just for internal use.
$endgroup$
– Tony
11 hours ago
$begingroup$
Did you end up using more or less than $1750 worth of your time finding and fixing shorts, though?
$endgroup$
– The Photon
10 hours ago
$begingroup$
And if you add a couple of days looking for the shorts (or if they show up as glitches in the future), that 2000$ price tag falls drastically for 48hr and 72hr fabrication.
$endgroup$
– Wesley Lee
9 hours ago
|
show 2 more comments
$begingroup$
The trick to stop this from happening is to order your PCB with solder mask. Do consider the cost of your time when deciding that it is cheaper to order boards without.
answered 12 hours ago
Michael KarasMichael Karas
44.5k348103
$endgroup$
$begingroup$
I got this board w/ 1 day turn around time with overnight shipping for $250 vs paying over $2000 and 5 day turn around when including a solder mask for a design that hasn't been proven.
$endgroup$
– Tony
11 hours ago
$begingroup$
You might also want to consider using leaded solder, as lead inhibits the formation of whiskers, if that is your problem. As long as you dispose of it properly, there's nothing wrong with using lead in your prototypes, just try to keep it out of any final products.
$endgroup$
– Hearth
11 hours ago
$begingroup$
Yep, that's all we use. All of our designs are just for internal use.
$endgroup$
– Tony
11 hours ago
$begingroup$
Did you end up using more or less than $1750 worth of your time finding and fixing shorts, though?
$endgroup$
– The Photon
10 hours ago
$begingroup$
And if you add a couple of days looking for the shorts (or if they show up as glitches in the future), that 2000$ price tag falls drastically for 48hr and 72hr fabrication.
$endgroup$
– Wesley Lee
9 hours ago
|
show 2 more comments
$begingroup$
The trick to stop this from happening is to order your PCB with solder mask. Do consider the cost of your time when deciding that it is cheaper to order boards without.
answered 12 hours ago
Michael KarasMichael Karas
44.5k348103
$endgroup$
The trick to stop this from happening is to order your PCB with solder mask. Do consider the cost of your time when deciding that it is cheaper to order boards without.
answered 12 hours ago
Michael KarasMichael Karas
44.5k348103
answered 12 hours ago
Michael KarasMichael Karas
44.5k348103
answered 12 hours ago
Michael KarasMichael Karas
44.5k348103
answered 12 hours ago
Michael KarasMichael Karas
44.5k348103
44.5k348103
$begingroup$
I got this board w/ 1 day turn around time with overnight shipping for $250 vs paying over $2000 and 5 day turn around when including a solder mask for a design that hasn't been proven.
$endgroup$
– Tony
11 hours ago
$begingroup$
You might also want to consider using leaded solder, as lead inhibits the formation of whiskers, if that is your problem. As long as you dispose of it properly, there's nothing wrong with using lead in your prototypes, just try to keep it out of any final products.
$endgroup$
– Hearth
11 hours ago
$begingroup$
Yep, that's all we use. All of our designs are just for internal use.
$endgroup$
– Tony
11 hours ago
$begingroup$
Did you end up using more or less than $1750 worth of your time finding and fixing shorts, though?
$endgroup$
– The Photon
10 hours ago
$begingroup$
And if you add a couple of days looking for the shorts (or if they show up as glitches in the future), that 2000$ price tag falls drastically for 48hr and 72hr fabrication.
$endgroup$
– Wesley Lee
9 hours ago
|
show 2 more comments
$begingroup$
I got this board w/ 1 day turn around time with overnight shipping for $250 vs paying over $2000 and 5 day turn around when including a solder mask for a design that hasn't been proven.
$endgroup$
– Tony
11 hours ago
$begingroup$
You might also want to consider using leaded solder, as lead inhibits the formation of whiskers, if that is your problem. As long as you dispose of it properly, there's nothing wrong with using lead in your prototypes, just try to keep it out of any final products.
$endgroup$
– Hearth
11 hours ago
$begingroup$
Yep, that's all we use. All of our designs are just for internal use.
$endgroup$
– Tony
11 hours ago
$begingroup$
Did you end up using more or less than $1750 worth of your time finding and fixing shorts, though?
$endgroup$
– The Photon
10 hours ago
$begingroup$
And if you add a couple of days looking for the shorts (or if they show up as glitches in the future), that 2000$ price tag falls drastically for 48hr and 72hr fabrication.
$endgroup$
– Wesley Lee
9 hours ago
$begingroup$
I got this board w/ 1 day turn around time with overnight shipping for $250 vs paying over $2000 and 5 day turn around when including a solder mask for a design that hasn't been proven.
$endgroup$
– Tony
11 hours ago
$begingroup$
I got this board w/ 1 day turn around time with overnight shipping for $250 vs paying over $2000 and 5 day turn around when including a solder mask for a design that hasn't been proven.
$endgroup$
– Tony
11 hours ago
$begingroup$
You might also want to consider using leaded solder, as lead inhibits the formation of whiskers, if that is your problem. As long as you dispose of it properly, there's nothing wrong with using lead in your prototypes, just try to keep it out of any final products.
$endgroup$
– Hearth
11 hours ago
$begingroup$
You might also want to consider using leaded solder, as lead inhibits the formation of whiskers, if that is your problem. As long as you dispose of it properly, there's nothing wrong with using lead in your prototypes, just try to keep it out of any final products.
$endgroup$
– Hearth
11 hours ago
$begingroup$
Yep, that's all we use. All of our designs are just for internal use.
$endgroup$
– Tony
11 hours ago
$begingroup$
Yep, that's all we use. All of our designs are just for internal use.
$endgroup$
– Tony
11 hours ago
$begingroup$
Did you end up using more or less than $1750 worth of your time finding and fixing shorts, though?
$endgroup$
– The Photon
10 hours ago
$begingroup$
Did you end up using more or less than $1750 worth of your time finding and fixing shorts, though?
$endgroup$
– The Photon
10 hours ago
$begingroup$
And if you add a couple of days looking for the shorts (or if they show up as glitches in the future), that 2000$ price tag falls drastically for 48hr and 72hr fabrication.
$endgroup$
– Wesley Lee
9 hours ago
$begingroup$
And if you add a couple of days looking for the shorts (or if they show up as glitches in the future), that 2000$ price tag falls drastically for 48hr and 72hr fabrication.
$endgroup$
– Wesley Lee
9 hours ago
|
show 2 more comments
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1
$begingroup$
Aluminum? That would be rare as aluminum is pretty much only used for the heat sink layer of a metal core pcb. More likely you're learning about Tin whiskers and would benefit from reading more about them. I don't know the answer to this question the way you've phrased it other than "better tools, use solder mask"
$endgroup$
– K H
12 hours ago
$begingroup$
compressed air?
$endgroup$
– Wesley Lee
12 hours ago
$begingroup$
Compressed air didn't help. Your right it is Tin... I looked at "whiskering" on wikipedia, that seems to be whats happening. Tomorrow I'll get some solder on the problem traces and see if that fixes it.
$endgroup$
– Tony
12 hours ago
$begingroup$
Who did the soldering?
$endgroup$
– Ale..chenski
11 hours ago
$begingroup$
Yes, there is one proven way: USE MORE FLUX.
$endgroup$
– Ale..chenski
11 hours ago