Re: [Homebrew_PCBs] Re: Two ideas for home made soldermask
2008-01-22 by Kim Vellore
Have you folks tried to make a solder mask using a thin brass sheet just like how you would etch a PCB. It would last longer than a vinyl mask. Kim ... From:
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Re: Two ideas for home made soldermask
2008-01-22 by iluvpcbs
Hi Steve, Agreed, I don t think toner itself will work as a soldermask. The idea is if you vinyl cut a solder paste sheet, then one can spray some kind of
Re: Two ideas for home made soldermask
2008-01-22 by Steve
I have thought about what might work. Perhaps a sheet of mylar stuck onto some removable vinyl as a carrier. I had some around here, it s relatively thick, not
Re: Two ideas for home made soldermask
2008-01-21 by tsescrl
Hello, For SolderMask with Inkjet printer, you can see form Printar http://www.all4-pcb.us/printar.htm The ink for
Re: Two ideas for home made soldermask
2008-01-21 by tsescrl
Hello, For SolderMask with Inkjet printer, you can see form Printar http://www.all4-pcb.us/printar.htm The ink for solder mask is appromatevely the same for
Solder Mask
2008-01-21 by T.S.E. scrl Patrick BAYARD
Hello, For SolderMask with Inkjet printer, you can see form Printar http://www.all4-pcb.us/printar.htm The ink for solder mask is appromatevely the same for
Re: Two ideas for home made soldermask
2008-01-21 by iluvpcbs
Steve, Could you try and make a solder paste stencil using your vinyl cutter sometime to see if my idea might have any merit? I agree that spraying coatings
Re: Two ideas for home made soldermask
2008-01-21 by Steve
I used a Graphtec vinyl cutter and about the best I could do was standard 0.1 spacing DIP ICs in a psuedo-SMT way. No holes, leads trimmed flush and soldered
Re: [Homebrew_PCBs] Re: Two ideas for home made soldermask
2008-01-21 by Markus Zingg
You are right, you need an exposure setup. For developement washing soda is sufficient, and that s really nothing dangerous. I bought a roll of 25 meters from
Re: [Homebrew_PCBs] Two ideas for home made soldermask
2008-01-21 by Stefan Trethan
Also, all this weeding can t be good for you. I mean, the idea is _not_ to have to do everything manually, right? ST
RE: [Homebrew_PCBs] Two ideas for home made soldermask
2008-01-21 by Jerome Decock
There is no way a vinyl cutter could cut such small pads, at least the one I have (Roland CAMM, the same as in the first link) will not do anything smaller
Re: Need a fine pitch stencil? Here's a method to create your own ho
2008-01-21 by Paul Symansky
Hey guys, I found this company through YouTube, actually, and they offer pre-sensitized steel plates for making customized stencils. They have a tutorial on
Re: Two ideas for home made soldermask
2008-01-21 by iluvpcbs
Hi Markus, ... and ... I ve avoided these for two reasons: 1. I don t have a UV exposure system setup 2. It seems like the developer needed for the
Re: [Homebrew_PCBs] Two ideas for home made soldermask
2008-01-20 by Markus Zingg
Hi, Why not simply use solder stop laminate? Laminate, expose, develop, done - I can t imagine something faster and simpler than that... Markus
Two ideas for home made soldermask
2008-01-20 by iluvpcbs
Hi, I have two ideas for home made soldermask, would like to hear comments. I have not tried any of these but they have promise. Idea A (Toner Transfer on to
Re: [Homebrew_PCBs] Small Quntities of Dry Film Resist
2008-01-20 by lists
In article , ... You re lucky, my experience is that anything over about £18 ($35?) you get stung in
Re: [Homebrew_PCBs] Small Quntities of Dry Film Resist
2008-01-20 by Dylan Smith
... Dunno about UK customs, but Isle of Man Customs typically don t bother if a package is less than $100 or so. I ve had all sorts of things sent from the
Re: [Homebrew_PCBs] Small Quntities of Dry Film Resist
2008-01-19 by Leon
... From: lists To: Sent: Saturday, January 19, 2008 9:43 PM Subject: Re: [Homebrew_PCBs]
Re: [Homebrew_PCBs] Small Quntities of Dry Film Resist
2008-01-19 by lists
In article , ... Thank you. I live about 25 miles from Daventry and used to work there! I did not know of their existance
Re: [Homebrew_PCBs] Small Quntities of Dry Film Resist
2008-01-19 by Stefan Trethan
Maybe someone in Europe will set up a similar group purchase if there are enough users? Within the EU should suffice to thwart the infamous UK blackmailers ;-)
Re: [Homebrew_PCBs] Small Quntities of Dry Film Resist
2008-01-19 by Markus Zingg
You may want to contact Elga s representative in the UK then. Might be that there are more users here from the UK which would be interested also? Elga Europe
Re: [Homebrew_PCBs] Small Quntities of Dry Film Resist
2008-01-19 by lists
In article , ... Sounds a good idea but I rather suspect that shipping to the UK or Europe would be too costly, especially if we found
Small Quntities of Dry Film Resist
2008-01-19 by javaguy11111
I am going to start doing some experimenting with dry film resist. I have just placed an order for a roll from Think Tink. Since it is way more than what I
Re: [Homebrew_PCBs] Re: Need a fine pitch stencil? Here's a method to create your own homebrew high
2008-01-19 by DJ Delorie
... http://http://www.smtstencil.com/
Re: Need a fine pitch stencil? Here's a method to create your own homebrew high
2008-01-19 by derekhawkins
... There is or used to be a place that offered plastic stencils at a fraction of brass prices. ... CNC drilling can be another option for components in that
Re: [Homebrew_PCBs] Re: Homebrew UV LED based exposure unit
2008-01-19 by Markus Zingg
Hi Steve Thanks for the fixes, it s apreciated. Markus
Re: [Homebrew_PCBs] Re: THRU HOLE PLATEING
2008-01-19 by Markus Zingg
Hi Leon Thanks for clarifying this. It s a difficult thing for me to translate those chemical terms propperly. Thanks again Markus
Re: [Homebrew_PCBs] Re: THRU HOLE PLATEING
2008-01-19 by Leon
... From: Markus Zingg To: Sent: Friday, January 18, 2008 9:05 PM Subject: Re: [Homebrew_PCBs]
Re: [Homebrew_PCBs] Re: THRU HOLE PLATEING
2008-01-19 by Adam Seychell
... http://www.asahi-kasei.co.jp/akemd/dfr/en/SUNFORT_DFR.htm
Re: DIY Flexible Printed Circuits
2008-01-19 by Steve
It bears mentioning for those who haven t visited the link yet, that the instructable author uses a Phaser liquid wax printer to print wax as etch resist
Re: Homebrew UV LED based exposure unit
2008-01-19 by Steve
I used my moderator super powers to fix the folder name, ie I replaced spaces with underscores so you can easily link to the folder:
Re: [Homebrew_PCBs] DIY Flexible Printed Circuits
2008-01-18 by Markus Zingg
Norm, Interesting link. I think that apart from direct printing and toner transfer, dryfilm fotosensitive resist laminate could be used equally well. What
DIY Flexible Printed Circuits
2008-01-18 by Norm Carlberg
See DIY Flexible Printed Circuits at: http://www.instructables.com/id/DIY-Flexible-Printed-Circuits/ Norm
Re: [Homebrew_PCBs] Re: Need a fine pitch stencil? Here's a method to create your own homebrew high
2008-01-18 by Adam Seychell
Thanks for letting us know about printers. I currently use a Cannon Pixma MP810 (the all in ones). I have not compared it to any other printer other than my
Re: [Homebrew_PCBs] Re: THRU HOLE PLATEING
2008-01-18 by Markus Zingg
James Dryfilm foto sensitive resist is a kind of a foil, well, it s a chemical, foto sensitive layer that is put on a plastic film, and that layer then also is
Re: [Homebrew_PCBs] Dry Film Laminiate Suppliers
2008-01-18 by Leon
... From: Andrew To: Sent: Thursday, January 17, 2008 10:51 PM Subject: [Homebrew_PCBs] Dry Film
Re: THRU HOLE PLATEING
2008-01-18 by James Newton
First, thanks so much for sharing this information. I ve taken the liberty of quoting you on my web site and when you have a web page, I will be very happy to
Re: Massmind is not phishing! was:THRU HOLE PLATEING
2008-01-18 by James Newton
I may have found the cause of that... It was nothing malicious, I assure you: Just an attempt to find out how long it was taking users to download images on a
Laser Toner Trials And Next Project
2008-01-18 by peripherin
I have started using sainburys Photo paper gloss which is £2.99 for a pack of 25 sheets with a HP1022 printer I have found I get flawless double sided ground
Re: [Homebrew_PCBs] Re: Need a fine pitch stencil? Here's a method to create your own homebrew high
2008-01-18 by Markus Zingg
Adam, Long time since. Nice to see you are still around :-) If you look at the example picture I uploaded, you can see the pads of an LQFP164 with a heat
Using a vacuum for laminating pressure
2008-01-18 by javaguy11111
Just to toss an idea out. Has anyone tried to use some kind of vacuum bag setup applied to toner transfer, dry etch resist or solder mask application. For the
Re: [Homebrew_PCBs] Re: Need a fine pitch stencil? Here's a method to create your own homebrew high
2008-01-18 by DJ Delorie
... I ve not had good luck with those; I now use 2mil brass for 0.5mm pitch to reduce the problems. I can usually get good enough for 95% of the pins, which
Re: [Homebrew_PCBs] Re: Need a fine pitch stencil? Here's a method to create your own homebrew high
2008-01-18 by Adam Seychell
... I had attempt at stencils. The main difference between PCB and stencil your trying to etch 100um~150um instead of 35um. Any professional who etches
Re: [Homebrew_PCBs] Dry Film Laminiate Suppliers
2008-01-18 by Adam Seychell
... I number of years ago I was lucky enough to get 30 meters remaining on a 440mm width roll. The guy at a place called Printed Electronics in Melbourne (I
Re: Dry Film Laminiate Suppliers
2008-01-18 by Andrew
... 72 cents per meter is much better than $5.60 a meter the 50 foot roll works out. ... Pretty close to nothing :D ... OK - I will Go back to my local place
Re: Need a fine pitch stencil? Here's a method to create your own homebrew high
2008-01-18 by Jon Elson
... I ve been doing something similar, but using brass shim stock. I started with 5 mil but that was getting too much solder paste on the fine-pitch stuff,
Re: [Homebrew_PCBs] Dry Film Laminiate Suppliers
2008-01-17 by Markus Zingg
Marko, I used Google :-) to locate them.... Here it is: http://www.elgaeurope.it No, I have given away what I could. If I sell more, I m running out of it too
Re: [Homebrew_PCBs] Re:THRU HOLE PLATEING
2008-01-17 by Mark Brueggemann
... I ve been doing it this way for years, and have made evaluation boards for ~1GHz components and microstrips that work fine. Mark K5LXP Albuquerque, NM
Re: [Homebrew_PCBs] Dry Film Laminiate Suppliers
2008-01-17 by Marko Pavlin
Markus, could you please give the Italian distributor info? I am from Slovenia and it s very interesting. Do you still have some dry film to sell? Thanks!
Re: [Homebrew_PCBs] Dry Film Laminiate Suppliers
2008-01-17 by Markus Zingg
Andrew, I payed about $220 for 300 meters, that s roughly 984 foot. 300 meters will last you very very long. I acutally sold 250 meters of it and kept the