<html><body><div style="color:#000; background-color:#fff; font-family:times new roman, new york, times, serif;font-size:12pt"><div><pre style="font-family: 'times new roman', 'new york', times, serif;">Dobry den,</pre><pre style="font-family: 'times new roman', 'new york', times, serif;">nepajiva maska modre barvy odrazi modrou barvu, proto je modra, ucinnost UV svetla bude asi velmi slaba.</pre><pre style="font-family: 'times new roman', 'new york', times, serif;"><br></pre><pre style="font-family: 'times new roman', 'new york', times, serif;">Mam vymyslenej tenhle postup, ktery se chystam v nejblizsi dobe vyzkouset:</pre><pre style="font-family: 'times new roman', 'new york', times, serif;"><br></pre><pre style="font-family: 'times new roman', 'new york', times, serif;">Pri vyrobe CU motivu na DPS se necha na dvou stranach pas CU siroky asi 1cm. Po dokonceni DPS se odstrihne.</pre><pre style="font-family: 'times new roman', 'new york', times,
serif;">Na tenhle pas na kraji DPS se nalepi CU pasek, napr.<span style="font-size: 12pt; font-family: 'times new roman', 'new york', times, serif;"> </span><a href="http://www.gme.cz/vodive-pasky/cu-paska-dps-p661-096/" style="font-size: 12pt; font-family: 'times new roman', 'new york', times, serif;">http://www.gme.cz/vodive-pasky/cu-paska-dps-p661-096/</a></pre><pre style="font-family: 'times new roman', 'new york', times, serif;">CU pasek od Elchemca prodavany v GME ma tloustku s lepidlem 70um.</pre><pre style="font-family: 'times new roman', 'new york', times, serif;"><br></pre><pre><font face="times new roman, new york, times, serif">Potom se nepajiva maska nanese obycejnou sterkou, napr.</font></pre><pre style="font-family: 'times new roman', 'new york', times, serif;"><pre><a
href="http://www.domacitechnika.cz/levne-jobi-sterka-japan-4ks-nerez-sterka-japan-4ks-nerez">http://www.domacitechnika.cz/levne-jobi-sterka-japan-4ks-nerez-sterka-japan-4ks-nerez</a><br></pre><div><br></div><div>CU pasek po stranach DPS zapezpeci tloustku nanesene nepajive masky asi 70um nad medi. Deska s nanesenou pastou se da do pece na 15 minut pri teplote 90 stupnu.</div><div>Potom se osviti UV svetlem asi deset minut. Mohou se pouzit UV zarivky z profesionalni UV lampy, napr.</div><div><a href="http://aukro.cz/profesjonalni-uv-lampa-36w-na-vytvrzovani-gelu-b-i3172489173.html">http://aukro.cz/profesjonalni-uv-lampa-36w-na-vytvrzovani-gelu-b-i3172489173.html</a><br></div><div><br></div><div>Nepajiva maska je UV curable, to znamena ze po osvitu se redidlem smyje nepajiva maska ktera nebyla osvicena UV svetlem.</div><div><br></div><div><br></div><div>Radovan Augustin</div></pre><pre style="font-family: 'times new roman', 'new york', times,
serif;"><br></pre><pre style="font-family: 'times new roman', 'new york', times, serif;">> Chtel bych konecne zacit delat tistaky s maskou.
<span style="font-family: 'times new roman', 'new york', times, serif; font-size: 12pt;">> </span>Tak jsem si poridil tohle
<span style="font-family: 'times new roman', 'new york', times, serif; font-size: 12pt;">> </span><a href="http://www.ebay.com/itm/NEW-100g-PCB-UV-Curable-Solder-Mask-Repairing-Paint-Blue-Green-/290736877347">http://www.ebay.com/itm/NEW-100g-PCB-UV-Curable-Solder-Mask-Repairing-Paint-Blue-Green-/290736877347</a>
<span style="font-family: 'times new roman', 'new york', times, serif; font-size: 12pt;">> </span>Ale zatim mam z toho docela spatne pocity.<span style="font-family: 'times new roman', 'new york', times, serif; font-size: 12pt;"> </span><br>
<span style="font-family: 'times new roman', 'new york', times, serif; font-size: 12pt;">> </span>Hodne blbe se to nanasi, je to pomerne dost huste. Zatim
<span style="font-family: 'times new roman', 'new york', times, serif; font-size: 12pt;">> </span>nejlepsi vysledky mam s nanasenim pomoci kousku houbicky
<span style="font-family: 'times new roman', 'new york', times, serif; font-size: 12pt;">> </span>na myti nadobi (z takove te nejmensi co se prodava v baliku
<span style="font-family: 'times new roman', 'new york', times, serif; font-size: 12pt;">> </span>po 10 kusech ustrizeny pasek asi 5mm).
<span style="font-family: 'times new roman', 'new york', times, serif; font-size: 12pt;">> </span>Blbe je, ze se to musi asi osvetlovat v tekutem stavu. Zkousel
<span style="font-family: 'times new roman', 'new york', times, serif; font-size: 12pt;">> </span>jsem to nechat vytvrdit pred osvitem teplotou (podobne, jako
<span style="font-family: 'times new roman', 'new york', times, serif; font-size: 12pt;">> </span>se to dela s Positiv 20), ale to nefunguje, je to porad mekke.
<span style="font-family: 'times new roman', 'new york', times, serif; font-size: 12pt;">> </span>Takze je treba tam prilozit artwork pres nejakou kryci folii, ale
<span style="font-family: 'times new roman', 'new york', times, serif; font-size: 12pt;">> </span>na tu se to taky lepi. Mozna se mi povede najit nejaka neprilnava,
<span style="font-family: 'times new roman', 'new york', times, serif; font-size: 12pt;">> </span>ale zatim ji nemam.
<span style="font-family: 'times new roman', 'new york', times, serif; font-size: 12pt;">> </span>No a hlavni problem je v tom, ze to hodne blbe tvrdne. Uz jsem
<span style="font-family: 'times new roman', 'new york', times, serif; font-size: 12pt;">> </span>tomu dal davku UV skoro 10-nasobnou oproti suchemu resistu,
<span style="font-family: 'times new roman', 'new york', times, serif; font-size: 12pt;">> </span>ale porad to jeste spini.
<span style="font-family: 'times new roman', 'new york', times, serif; font-size: 12pt;">> </span>Nemate nekdo zkusenosti s touto maskou? At neproslapavam
<span style="font-family: 'times new roman', 'new york', times, serif; font-size: 12pt;">> </span>vsechny slepe cesty.
<span style="font-family: 'times new roman', 'new york', times, serif; font-size: 12pt;">> </span>Napred to chci naredit izopropylem, aby se dala udelat rovnomerna
<span style="font-family: 'times new roman', 'new york', times, serif; font-size: 12pt;">> </span>a tenka vrstva. Tan izopropyl bych pak nechal odpadit v troube
<span style="font-family: 'times new roman', 'new york', times, serif; font-size: 12pt;">> </span>pri nejaky 50 stupnich.
<span style="font-family: 'times new roman', 'new york', times, serif; font-size: 12pt;">> </span>No a pak experimentovat s ruznymi foliemi, ktery by se na to nelepil.
<span style="font-family: 'times new roman', 'new york', times, serif; font-size: 12pt;">> </span>Idealni by v tomto pripade bylo LDI (primy osvit laserem). Uz jsem si
<span style="font-family: 'times new roman', 'new york', times, serif; font-size: 12pt;">> </span>na to vydrazil na eBay 50mW laser 405nm.
<pre><span style="font-size: 12pt; font-family: 'times new roman', 'new york', times, serif;">> </span><span style="font-family: 'times new roman', 'new york', times, serif; font-size: 12pt;">Diky.</span><br></pre><span style="font-family: 'times new roman', 'new york', times, serif; font-size: 12pt;">> </span>PL</pre></div></div></body></html>