how do you cut presensitised boards without exposing them... ----- Original Message ----- From: "Orin Eman" Newsgroups: gmane.comp.hardware.microcontrollers.pic Sent: Tuesday, September 26, 2006 12:37 PM Subject: Re: [EE]Homemade PCB > On 9/25/06, genome wrote: >> Hello... >> I'm trying homemaking a PCB using toner trnsfer method from a xerox >> machine.. what paper is good to use with this method.. on the net i see >> peaple saying magazine paper is good enough.. sime use glossy paper.. >> when >> they mean glossy paper, is that standard inkjet photo paper? > >> Ive got line width as thin as 15mil in ultiboard.. will this method be >> able >> to etch that thicness in the PCB... Or is there a better lowcost method.. > > Painful... difficult enough to make toner stick to a glossy surface in > the first place. > Expect a lot of touch-up. > >> can ordinary inkjet be used instead of a toner from a photocopier.. I >> printed an image using HP inkjet(reffiled cartridge not the real hp ink) >> on >> a transparency film and put it on a ferric chloride solution for over a >> day >> now and it does not seem to dissolve.. although I have not tried to etch >> anything from it, I was wondering if it could be used and if anybody here >> tried it... > > How would you get the ink onto the PCB? > > Personally, I've had good luck with the MG Chemicals boards. > > Inkjet printer, inkjet overhead projector slide, small UV tube > (easiest just to buy the official one), cheap under-counter > fluourescent fitting, pre-sensitized board, developer, ferric chloride > and a couple of photographic trays. > > I do use a light box to touch up the slide before using it. A Sharpie > pen works fine. > > Great for one-off single sided boards. More than one, I've used AP > Circuits. > > Orin. > -- > http://www.piclist.com PIC/SX FAQ & list archive > View/change your membership options at > http://mailman.mit.edu/mailman/listinfo/piclist > -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist