Re: etch tank idea
2008-04-26 by curt_rxr
... uniformity ... I ve found that a simple covered, flat, rocking tank works pretty well. I made mine out of acrylic and use an eccentric on a gear motor to
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Re: [Homebrew_PCBs] etch tank idea
2008-04-25 by guja
Adam, there is an easy way how to make such (cheap & reliable) etching tank, (if you use Cu/Fe – Cl based etchant). If you are interested, i can send you
Re: [Homebrew_PCBs] etch tank idea
2008-04-25 by Adam Seychell
... My spray etcher works great, and it gets used all the time. The reason I was interested in more reliable bubble etching was part of another project to see
Re: [Homebrew_PCBs] inkjet head height
2008-04-25 by Mark Lerman
Stefan, In looking at the service manual for the R380, I see a number of features that should make it an excellent pcb printer. The main one is that the head
Re: [Homebrew_PCBs] etch tank idea
2008-04-25 by Harvey White
... Depends on where the bubbles go, I think. The more agitation the better the etching. Getting them even is the trick. ... I think you might have the same
Re: [Homebrew_PCBs] etch tank idea
2008-04-25 by Mike Schoenborn
... I would have thought that more randomness, not less, would be desireable since the areas to be etched are (to some extent) randomly oriented. No? (At this
Re: [Homebrew_PCBs] inkjet head height
2008-04-25 by Stefan Trethan
I think it s specified in the service manual. I attached a small dial indicator to the head, not to get the distance exactly right but to get it equal across
[Homebrew_PCBs] Direct laser toner summary
2008-04-25 by Mark Lerman
I spent the last 2 months investigating the possibilities of directly depositing toner on copper clad boards. Some of my tests can be seen at
[Homebrew_PCBs] inkjet head height
2008-04-25 by Mark Lerman
To those of you who have modified inkjets - how high above the medium does an Epson inkjet head ride while printing? Is there an optimal distance or isn t it
Re: [Homebrew_PCBs] etch tank idea
2008-04-25 by Markus Zingg
Adam, What about your spray etcher? Ok, kind of off topic compared to an etch tank in the strict sense, but I wonder if the spray etcher you built does
Re: [Homebrew_PCBs] etch tank idea
2008-04-25 by Stefan Trethan
No but i have thought about using magnetic stirrers. One could even attach a brush to an encapsulated magnet, and mechanically brush the pcb inside the tank.
etch tank idea
2008-04-25 by Adam Seychell
I was looking at an easier and more reliable way to etch PCBs. I know from experience that bubble etching never produces acceptable uniformity and often needs
Re: [Homebrew_PCBs] Solder paste advice
2008-04-23 by Matthew Smith
Can anyone comment on: RM10 - SN62 AGS83 This is the only solder paste that my regular supplier holds. Quoth the catalogue: RM10 solder pastes have been
Re: [Homebrew_PCBs] Solder paste advice
2008-04-23 by DJ Delorie
... Yeah, once you get a syringe and some reflow device (I use a hotplate), you use it for everything. I do all the top-side SMTs with paste now, even
Re: [Homebrew_PCBs] Solder paste advice
2008-04-23 by Dylan Smith
On Wed, 23 Apr 2008, DJ Delorie wrote: Hmmm... ... Perhaps that s the tradeoff - the less puddly solder pastes have short shelf lifes and need refrigeration
Re: [Homebrew_PCBs] Solder paste advice
2008-04-23 by DJ Delorie
Speaking of puddling... I have a syringe of SYNtech paste, specifically because it doesn t need to be refrigerated. I ve got a bit of old wire insulation to
Re: [Homebrew_PCBs] Solder paste advice
2008-04-23 by Stefan Trethan
No Farnell probably couldn t care less how long the paste keeps after you opened it, i bet they just stock it like all their other stuff. The Edsyn CR44 seems
Re: [Homebrew_PCBs] Solder paste advice
2008-04-23 by Stuart Schaffert
I have a customer that uses our temperature monitoring equipment to make sure their solder paste never gets colder that 37 degrees or warmer than 45 degrees
Solder paste advice
2008-04-23 by Dylan Smith
Hi list, For the first time today I used solder paste. Much nicer way of soldering fine pitch SMD - using the soldering iron to do it was getting old rather
PCB Production Equipment
2008-04-23 by Jessica Bussert
Hi Folks, I just bought an estate sale filled with a bunch of tech and lab equipment. Included in the mess is a lot of PCB production equipment including a
Re: [Homebrew_PCBs] Re: Interesting article (direct laser printing, well... kind of)
2008-04-23 by Marko Pavlin
Hello! Machine is from Dimatix (US company) DMP-2800. Nozzle diameter is 20 microns. So far it was used for printing different suspensions, but it requires lot
Re: [Homebrew_PCBs] Re: Interesting article (direct laser printing, well... kind of)
2008-04-21 by Cristian
... Is that an useful information for us? What model, what ink, what price? Cristian [Non-text portions of this message have been removed]
Re: [Homebrew_PCBs] Re: Interesting article (direct laser printing, well... kind of)
2008-04-21 by Marko Pavlin
Last year we bought ink jet priner for printing any material and it s not cheap. Definetly not a typical homebrew price. Anyway, it can print any material
RE: [Homebrew_PCBs] Re: Interesting article (direct laser printing, well... kind of)
2008-04-20 by Bertho Boman
With the talk of using direct laser exposure and tearing apart a DVD writer, flip the concept: Make a coated PCB the size of the DVD and stick it into an
Re: [Homebrew_PCBs] Direct Inkjet printing to PhotoSensitive copper clad.
2008-04-19 by Leslie Newell
I used to do something similar with a plotter. Plot onto photoresist, expose then develop and etch. It helped improve the quality and resolution of plots. Les
Re: Interesting article (direct laser printing, well... kind of)
2008-04-19 by gsi11135
... pass. ... speed. ... or make ... of the ... etching ... re-designing ... One way to reinvent ways to process boards is to use additive technologies
Direct Inkjet printing to PhotoSensitive copper clad.
2008-04-19 by warrenbrayshaw
There is a active thread at the moment entitled: Interesting article (direct laser printing, well... kind of) Referencing
Direct Inkjet printing to PhotoSensitive copper clad.
2008-04-19 by warrenbrayshaw
There is a active thread at the moment entitled: Interesting article (direct laser printing, well... kind of) Referencing
RE: [Homebrew_PCBs] Re: Interesting article (direct laser printing, well... kind of)
2008-04-19 by Christopher Hart
Although I havn t worked with the Versalaser, I have worked with an Epilog Summit 50W CO2 laser, and seen several models produced by both Epilog and Universal,
Re: Interesting article (direct laser printing, well... kind of)
2008-04-19 by pork_u_pine2000
Lots of questions... What size features can you cut? What kind of separation? Do you know the spot size your laser can produce? What is the approximate
Re:Interesting article (direct laser printing, well... kind of)
2008-04-19 by pork_u_pine2000
... It s ... couldn t be ... It offers ... can be ... work for ... In the video the rep says do say that you can t cut metal with it. Obviously, he means
Re:Interesting article (direct laser printing, well... kind of)
2008-04-17 by mycroft2152
... Systm? It s ... works ... couldn t be ... It offers ... can be ... work for ... I hope Santa will put one under the tree this Christmas. BTW, that a
Re:Interesting article (direct laser printing, well... kind of)
2008-04-17 by Paul Symansky
Has anyone seen the VersaLaser system featured on Revision3 s Systm? It s somewhat pricey for a hobbyist (~$7,000 for a base model), but it s definitely got
Re: Interesting article (direct laser printing, well... kind of)
2008-04-17 by pgdion1
... This is pretty cool all right. Someone here a while back had the idea of putting a UV diode on a plotter for direct exposing. Almost the same idea but with
Re: [Homebrew_PCBs] Re: Interesting article (direct laser printing, well... kind of)
2008-04-17 by Cristian
... That method is way too complicate. For 5 to 10K Euro (R&D price for one piece) you can get a 0.1mm diameter, collimated, 405nm (diode based) laser, small
Re: [Homebrew_PCBs] Interesting article (direct laser printing, well... kind of)
2008-04-17 by listgroups08@ozwebwiz.com
... From: Marko Pavlin Here s one interesting article: http://www.smtnet.com/adsystem/redir.cfm?adid=1611 I think it could be simplified for hombrew
Re: Interesting article (direct laser printing, well... kind of)
2008-04-17 by tonyburch2001
... making ... Hi, that is very interesting. I noticed that link on SMTNet newsletter this morning too. I currently have a home-made xy table that I m using
Re: Interesting article (direct laser printing, well... kind of)
2008-04-16 by klmjr22
... It appears to me the laser diode in a blu ray player might work fine for this application. The output is 405nm which is closer to UV than blue and is the
Interesting article (direct laser printing, well... kind of)
2008-04-16 by Marko Pavlin
Here s one interesting article: http://www.smtnet.com/adsystem/redir.cfm?adid=1611 I think it could be simplified for hombrew applications. Marko
Re: [Homebrew_PCBs] Re: Test of my photoetch process
2008-04-12 by Leon
... From: phildimond To: Sent: Saturday, April 12, 2008 9:01 AM Subject: [Homebrew_PCBs]
Re: Test of my photoetch process
2008-04-12 by phildimond
Will you tell us all about your process? I looked through your posts for the last year (almost) and your photo album, but apart from a couple of photos of
Test of my photoetch process
2008-04-11 by Leon
Where a friend of mine works at a French university the old camera they ve used for 20 years for making PCB artwork from 2 1 masters has just died on them, so
Re: [Homebrew_PCBs] Re: Homemade flatbed inkjet pcb printer
2008-04-11 by Chris Hart
You ll find this article at hackaday relevant. http://www.hackaday.com/2006/10/08/inker-the-hand-inkjet/
Re: [Homebrew_PCBs] Re: Homemade flatbed inkjet pcb printer
2008-04-11 by Volkan Sahin
I copied Epson CX4200/CX4800 inkjet head drive signal waveforms under folder http://tech.groups.yahoo.com/group/Homebrew_PCBs/files/Epson_inkjet_Volkan/
Re: [Homebrew_PCBs] Re: Homemade flatbed inkjet pcb printer
2008-04-10 by Volkan Sahin
... Hi Daniel, I m using CX4200/CX4800 head in my printer and only documents that I ve is service manual plus hundreds of Epson/Seiko patents. I found most of
Re: [Homebrew_PCBs] Re: Homemade flatbed inkjet pcb printer
2008-04-10 by Cristian
... Let me know where, please. I m interested. Cristian
Re: Homemade flatbed inkjet pcb printer
2008-04-10 by dandumit
Hi Volkan, Could you please share info about head driving signals ? What head - from what printer ? How s data transmited? SPI ? what tension should be applied
Re: RES: [Homebrew_PCBs] Homemade flatbed inkjet pcb printer
2008-04-08 by Volkan Sahin
... Hi Alexandre, Thank you. It is too early to decide on it. Selling as a kit not easy since different Epson heads use different formats and not documented.
RES: [Homebrew_PCBs] Homemade flatbed inkjet pcb printer
2008-04-08 by Alexandre Guimarães
Hi, Volkan. Very nice project !! Congratulations.... Do you intend to publish the project ? Or sell a kit ? I would love to reproduce it ! Best Regards,
Re: [Homebrew_PCBs] Re: Homemade flatbed inkjet pcb printer
2008-04-07 by Volkan Sahin
Hi Dave, I think we need to use fpga because of timing issues. If we assume that scanning 1 line (8 width paper/pcb) requires 1 sec and we re trying to print