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Making pouch with printed paper and put copper board into there is the popular method for aligning.

The transferred toner on The Heat Toner Transfer Paper is easily comes off when rubes each other or be rubbed by copper board.

So, making pouch method is not good method.

http://neo-sahara.com/wp/d-sided-pcb

See also here.

Step 1:

Make insulated vias at the lower left and the upper right of the PCB pattern.

Step 2:

Print out PCB pattern in draft mode.

Step 3:

Put the draft printed PCB pattern on the copper board and mark punches for drill.

And make drill holes there.

Step 4:

Make pin holes at the insulted 2 vias on the transferred toner.

Step 5:

Skewer the toner transferred paper, drill holes of copper board and wood board with insect pins.

Step 6:

Tape the Heat Toner Transfer Paper to the copper board then put off the pins.

Do in a similar way at the other side.

Put into the laminator to transfer toner to the copper board.

Step 7:

Etched and cleaned.

<blockquote>Make pin holes at the insulted 2 vias on the transferred toner.</blockquote><p>I bet they <strong>are</strong> insulted by being isolated ;)</p><p>Seems like you are a bit too brisk when cleaning the copper - mind you, it's 35micron at most, so don't use too abrasive methods (it reduces the current carrying capacity).</p><p>Apart from that, <strong>nice</strong>, I wasn't aware that a laminator would get hot enough - can the tape handle this temperature?</p><p>(I use photo transfer myself). </p>
<p>Hi, Omnivent.</p><p>&gt;I bet they are insulted by being isolated ;)<br>Yes, I think so, too. INSULTED 2 VIAS are the special for aligning.<br>&gt;don't use too abrasive methods<br>Thank you for your concern. It looks so, but actually not. It is due to the light when take the photograph.<br>&gt;can the tape handle this temperature?<br>Yes, it has no problem.<br>&gt;I use photo transfer myself.<br>I think photo transfer is the best way if someone have the equipments for.</p>
<p>Hi,</p><p>In the photos, the weave of the glass fiber carrier medium is very visible. Usually this is only so, either if cleaned too hard, or if heat damaged, but metal is always hard to photograph, so it may just be that.</p><p>For double sided photo transfer (not sure if it works with toner transfer), the easiest/best way to align the two films, is to use an L-shape of the same thickness as the PCB material, and tape the the films to that - otherwise it's easily getting the two a little bit off and the L-shape makes it very easy to run a series of PCB's that way.</p><p>For kitchen sink PCB's, especially what I post online, I'd rather go with up to 10 jumpers or so, on a half Euro-size (3&quot;x4&quot;), to avoid the double sided stuff and then more people are able to make/copy your &quot;masterpiece&quot; :)</p>
<p>Hi, Omnivent.</p><p>Thank you for your many nice advices.</p><p>Why don't you show your ideas in your own instructables?</p>
<p>In time, I will, at least the single sided stuff (and/or Vero board builds) - I have tonnes of projects that just need a final polish to be posted.</p>
<p>Could you have a typeo: heart instead of heat? You can still edit after publishing.</p>
<p>Thank you, russ_hensel.</p><p></p>
<p>No problem, glad to help. Nice instructable.</p>

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