hi todd, actually, it's a local company ( i live in indonesia). http://www.tokoprapatan.com/v1/, their location near my office. it costs me about $1/sheet. the quality is very satisfying me. regards hari. On 4/11/2013 1:37 AM, Todd F. Carney / K7TFC wrote: > Hari, > > Could you share with us the name of the company that makes your > transparencies? > > 73, > > Todd > ------------------------------------------------------------------------------------ > K7TFC / Medford, Oregon, USA / CN82ni / UTC-8 > ------------------------------------------------------------------------------------ > QRP (CW & SSB) / EmComm / SOTA / Homebrew / Design > > > On Wed, Apr 10, 2013 at 3:09 AM, Hari Hendaryanto <hari.h@...> wrote: > >> ** >> >> >> i'm using old hp laser printer, i think it ran out of toner. i've found >> printing company that will accept printing transparencies in small >> quantities, one or two pieces with excellent density/opacity at >> reasonable price. i think i'll go that way. but thanks for your >> suggestion :) >> >> regards >> hari >> >> On 4/8/2013 6:24 PM, tda7000 wrote: >>> If your printout is not dark enough, you can try darkening with a >>> black whiteboard marker. (more info in the group posts) I've used that >>> trick with good results on printouts from my own printer. >>> >>> I tried it on printouts from the local copy shop but it did not work >>> at all. I think their toner may be different in some way than mine. It >>> certainly feels quite different if I run my fingers over the printout. >>> >>> When using their copier I print 2 copies and double up. Works great >>> (apart from the annoyance of doing the alignment) 6 Minute exposure >>> time with standard UV LEDs, Then I leave it in the dark to cure for 10 >>> minutes before developing. >>> >>> --- In Homebrew_PCBs@yahoogroups.com >>> <mailto:Homebrew_PCBs%40yahoogroups.com>, "Boman33" <boman33@...> wrote: >>>> Great progress! >>>> >>>> Always leave a small piece of aluminum foil in the excess margin if >>> possible >>>> to get a reference of guaranteed no exposure. I used to have a step >>> wedge >>>> with the foil permanent attached at one end and then included the step >>>> wedge in the exposures. >>>> >>>> Bertho >>>> >>>> >>>> >>>> From: Hari Hendaryanto Sent: Sunday, April 07, 2013 22:27 >>>> >>>> >>>> >>>> hey guys, >>>> i finally can get my clumsy old hand doing phoresist thing :)) ( from >>>> laminate until etching). not perfect, but it's the best pcb i've ever >>>> had, need a little touch up, but i think that's because the opacity of >>>> negative film i used. >>>> >>>> http://img33.imageshack.us/img33/7764/tebet2013040800294.jpg >>>> >>>> thanks for all your times and helps guys >>>> >>>> regards >>>> >>>> hari >>>> >>>> On 4/1/2013 6:45 PM, Hari Hendaryanto wrote: >>>>> i'm sorry for late reply, i got my mails end up in spam filter, i've >>>>> just noticed and released it. sounds like another solution for me, >> and >>>>> thanks for that :), i was trying james sugestion and have an adequate >>>>> results. i'm getting better with this thing :). i'll take a look >>> on the >>>>> video. >>>>> >>>>> anyway, i saw some dry film not rolled/curled back (stay flat). i was >>>>> using dry film that rolled back after cut. that was a problem too, >>>>> especially when separating thin plastic part from polymer (i used >> tape >>>>> on both corner side). but i think i just have to make more practice.. >>>>> >>>>> thanks for all your supports guys :) >>>>> >>>>> regards >>>>> hari >>> >>> >>> >> [Non-text portions of this message have been removed] >> >> >>
Message
Re: [Homebrew_PCBs] Re: any chance stick dry film to pcb w/o laminator ?
2013-04-11 by Hari Hendaryanto
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