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Download "How to make a PCB with laser - Ortur laser from Gearbest.com"

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make
pcb
laser
ortur
gearbest.com
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  • ruRussian
Download
00:00:02
warning
00:00:03
today we're going to talk about lasers
00:00:05
and etching pcbs
00:00:06
so remember to always wear protective
00:00:09
glasses
00:00:10
gloves and only work in well ventilated
00:00:14
areas
00:00:16
[Music]
00:00:18
gearbest reached out to us a while back
00:00:20
to see if we were interested
00:00:22
in trying out the order 15 watt laser
00:00:26
so full disclosure we received the laser
00:00:29
free
00:00:32
after a bit of testing and playing
00:00:34
around with it for a few weeks
00:00:36
we found two areas where this little
00:00:38
laser
00:00:39
helps out a lot in our makerspace
00:00:43
with cutting acrylics and making pcbs
00:00:49
in this video we're going to focus on
00:00:51
how to make pcbs
00:00:52
with a laser
00:01:01
the orthur 15 watt laser engraver allows
00:01:04
you to cut
00:01:05
and engrave softer materials like paper
00:01:08
cardboard and thin soft wood
00:01:11
on a 160 by 150 millimeter surface
00:01:15
so we were a bit impressed when it turns
00:01:18
out it has no problems cutting black
00:01:21
acrylics
00:01:22
here it cuts through 2.5 millimeters of
00:01:25
black acrylic
00:01:27
at around 80 percent power and with
00:01:30
eight passes due to the wavelength of the
00:01:35
laser you can only cut dark acrylics
00:01:38
the final product was a case for the
00:01:40
raspberry pi zero
00:01:45
we are gonna make this pcb today
00:01:49
unlike with the acrylics we're not gonna
00:01:52
cut through the copper
00:01:53
of the pcb this laser can't cut
00:01:57
any metals at all and besides
00:02:00
if the diode of the laser was strong
00:02:02
enough it will also cut deep into
00:02:05
if not just straight through the
00:02:07
fiberglass as well
00:02:10
first clean off a copper cladboard with
00:02:13
some rubbing alcohol or
00:02:14
acetone
00:02:18
make sure there are no oils or grease
00:02:20
left
00:02:23
then grab a can of spray paint and apply
00:02:26
an even layer of paint
00:02:29
let it dry and cure for a bit
00:02:39
load the pcb files into your software
00:02:43
focus lens
00:02:47
and adjust the placement of the pcb
00:02:52
note that a well-focused laser allows
00:02:55
for smaller gaps between the tracks
00:03:02
the laser will now burn off the paint
00:03:04
from the pcb
00:03:06
exposing the copper
00:03:12
here we run the laser at 50 power
00:03:15
and 10 millimeters per second with just
00:03:18
one pass
00:03:27
in less than a minute the laser is done
00:03:39
clean off the board with some soap and
00:03:41
water to remove the burnt paints
00:03:44
but don't rub it too hard
00:03:49
now we have the bare copper exposed on
00:03:51
the pcb
00:03:52
that we want to remove so let's start
00:03:54
the etching
00:04:01
we mix up the etchants and place the pcb
00:04:04
in the bath
00:04:11
the etching time will depend on what
00:04:13
kind of etchant you use
00:04:14
as well as the strength
00:04:18
when the copper is gone remove the pcb
00:04:21
and rinse it thoroughly
00:04:26
and to remove the paint just wipe off
00:04:29
the board with acetone
00:04:34
remember to always wear the appropriate
00:04:36
protective gear when working with lasers
00:04:38
and
00:04:40
etchants
00:04:47
this is the final result of the pcb
00:04:56
we also made a pcb with even thinner
00:04:58
traces
00:05:00
this requires you to focus the laser and
00:05:03
not burn off
00:05:04
too much paints we had laser running at
00:05:08
only 40 power and that gave us lines
00:05:12
that were about 0.4 millimeters
00:05:15
thick and as you can see the results are
00:05:18
very clean
00:05:19
if you want to learn more about creating
00:05:21
pcbs
00:05:22
click this link for how to mail them on
00:05:25
a cnc
00:05:26
or this link for how to apply the solar
00:05:36
mask
00:05:39
you

Description:

We will show you how to use a laser to create a PCB. This 15W Ortur laser was given to us by GearBest. Want to show your support? Buy us a coffee ☕️ https://buymeacoffee.com/diytechbros Affiliate link to the laser: ************************** https://s.zbanx.com/r/UIJHKEwKsb7p NOTE: this laser has been replaced with the Ortur Aufero Laser 1 and 2. Making a PCB with a laser is a very easy. Just engrave the PCB design with the laser on a painted surface and etch the copper away. You are then left with a very clear and high quality PCB. Using a laser also gives you a high resolution. Best of luck!

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