Re: [Homebrew_PCBs] Direct Toner - First Try Results
2008-04-02 by listgroups08@ozwebwiz.com
Hello Mark, An afterthought or two. I find that when I have to visually examine something in fine detail, it is easier to scan it on my scanner at maximum
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Re: [Homebrew_PCBs] Direct Toner - First Try Results
2008-04-02 by listgroups08@ozwebwiz.com
Hi Mark, I may offer some limited suggestions to some of your questions. Q: 1 - Should I have run the board through the laminator more than once? A: It may
[Homebrew_PCBs] Direct Toner - First Try Results
2008-04-02 by Mark Lerman
I just made my first (single sided) board using my modified laser printer that deposits toner directly on the board. A few observations and questions: 1- I
Re: [Homebrew_PCBs] Immersion silver
2008-03-29 by Matthew Smith
Quoth Dylan Smith at 2008-03-29 21:37... ... Dylan (and others interested in immersion silver) - have a look at this:
Re: [Homebrew_PCBs] Immersion silver
2008-03-29 by Leon
... From: Dylan Smith To: Sent: Saturday, March 29, 2008 12:07 PM Subject: Re: [Homebrew_PCBs] Immersion
Re: [Homebrew_PCBs] Immersion silver
2008-03-29 by Dylan Smith
... Incidentally, I m just about to (once I ve thoroughly checked the PCB layout for correctness!) send off a 4 layer PCB to PCB Train. How does immersion
Re: [Homebrew_PCBs] TO220-5 straight / LM2576 Eagle Library
2008-03-29 by Chris Hart
That s especially true when you consider you will significantly reduce the risk of recieving a library which has been contaminated by a copy of Eagle that
Re: [Homebrew_PCBs] TO220-5 straight / LM2576 Eagle Library
2008-03-29 by Stefan Trethan
It will take you less time to change a 3-legged one to 5 legs than typing the request below. Probably well worth learning. I d further venture that learning it
Re: [Homebrew_PCBs] Immersion silver
2008-03-28 by Adam Seychell
... I don t know anything about immersion silver. I was surprised Google didn t show up much. http://www.freepatentsonline.com/EP1391536.html mentions a
TO220-5 straight / LM2576 Eagle Library
2008-03-28 by Matthew Smith
Hi Folks Does anyone have an Eagle library for the LM2576 or just a TO220-5 straight (NOT the staggered-lead variety) that they would be willing to share?
Re: [Private message Homebrew_PCBs] Drill file standards / Alignment
2008-03-28 by Jon Elson
... Yes, I ve done business with them for years. They have all sorts of special things, often for model makers, but quite useful for building all sorts of
Re: [Homebrew_PCBs] Immersion silver
2008-03-28 by Leslie Newell
Hi Lean, Immersion silver works great if you use it fairly quickly. However if the boards stand for more than a month or so, the silver oxidises and they
Immersion silver
2008-03-28 by Leon
I ve just had a double-sided prototype made by PCB Train using their low-cost Express prototype service (no solder mask or silk) - I got the board in three
Re: [Homebrew_PCBs] Direct laser board printing
2008-03-27 by Mark Lerman
I revisited Dave s gel, and it does seem to hold the toner better than without it. I printed a board using it, no fusing. I can turn the board on it s side and
Re: [Homebrew_PCBs] Direct laser board printing
2008-03-27 by Mark Lerman
I m waiting for some 1/32 board to arrive, but meanwhile I m using some very thin (.010) DS board and some 1/32 aluminum as well as 1/16 pcb to experiment
Re: [Homebrew_PCBs] Direct laser board printing
2008-03-27 by KeepIt SimpleStupid
... Try beveling the edges of the copper on the leading edge. High voltage doesn t like sharp edges. Just light sind or file the edges of the board. See if
[Homebrew_PCBs] Direct laser board printing
2008-03-27 by Mark Lerman
Thanks, Rob, for the detailed information - very informative. The spark seems to be a single spark, not always present, seen after the board leading edge
Re: [Homebrew_PCBs] Laminator Questions
2008-03-27 by Stefan Trethan
Well, what did you expect when you buy a staple machine instead of a laminator ;-) Sorry, couldn t resist. ST
Re: [Homebrew_PCBs] Laminator Questions
2008-03-27 by listgroups08@ozwebwiz.com
Hello Mark, For the want of a simple answer :( NORMAL fuser temperatures range from about 160^C to about 200^C. Some even venture outside this. In reality it
RE: [Homebrew_PCBs] Re: Laminator Questions
2008-03-27 by Bertho Boman
Mark, Intriguing conversion! What happens if instead of using a fuser you carefully just heat the board until the toner starts to melt and get sticky? Bertho
Re: [Homebrew_PCBs] Laminator Questions
2008-03-27 by listgroups08@ozwebwiz.com
Hello Mark, Thank you for responding. Your advise is greatly appreciated. I had a look at the web site and method that you mentioned. I see two distinct
Re: Laminator Questions
2008-03-27 by drpain1313
I m surprised to hear that printing directly on copper works without any kind of coating. I ve tried that in many different laser printers and it s never even
Re: Bubble-etch tanks in Australia?
2008-03-27 by niponcio
Have you tried the sponge technique suggested by Pulsar http://www.pulsarprofx.com/PCB/a_Pages/5_Support/5b_Tips_Tricks/Tips_Tricks.html#Anchor-49575 it works
Re: [Homebrew_PCBs] Laminator Questions
2008-03-27 by mlerman@ix.netcom.com
As for laminators, I just bought a Staples machine - no adjustments. I also just ordered a pid temperature controller that I will use either with the laminator
Re: [Homebrew_PCBs] Laminator Questions
2008-03-27 by mlerman@ix.netcom.com
I ve spent the last month or so looking at all the discussions re direct laser printing on boards. There are all sorts of warnings, nay sayers, etc who say it
Re: [Homebrew_PCBs] Laminator Questions
2008-03-26 by listgroups08@ozwebwiz.com
Hello Mark, I am an ex printer technician and I have been toying with the concept of direct printing with a laser for the last couple of days. What concerned
Re: [Homebrew_PCBs] Laminator Questions
2008-03-26 by Henry Carl Ott
... I run it through once with a carrier to tack the paper down. Then run it through a couple of more times without the carrier to completely melt the toner.
Re: [Homebrew_PCBs] Laminator Questions
2008-03-26 by Mark Lerman
Well, I m not doing toner transfer, actually, I m using a modified laser printer to print directly on the board - the toner is still in powder form, so it is
Re: [Homebrew_PCBs] Laminator Questions
2008-03-26 by Stefan Trethan
I would say if the toner is smudging the paper moves relative to the board? If it spreads out it might be too hot, or too much pressure, or too much toner. But
Re: [Homebrew_PCBs] Laminator Questions
2008-03-26 by DJ Delorie
I just feed the board and the paper, no carrier. IMHO if the toner is smudging, it s too hot. There s a sweet spot between solid and liquid where it s
[Homebrew_PCBs] Laminator Questions
2008-03-26 by Mark Lerman
When you use a laminator to fuse toner, do you use the carrier or feed the board in directly. Is there any trick to keep the toner from smudging as it melts?
Re: [Homebrew_PCBs] Re: New Member
2008-03-26 by Leon
... From: Dylan Smith To: Sent: Wednesday, March 26, 2008 10:00 AM Subject: Re: [Homebrew_PCBs] Re: New
Re: [Homebrew_PCBs] Re: New Member
2008-03-26 by Dylan Smith
On Tue, 25 Mar 2008, Stefan Trethan wrote: [Eagle] ... Someone in alt.sysadmin.recovery remarked on looking at a vendor - check their laurels, and if they are
Re: [Homebrew_PCBs] Target 3001
2008-03-26 by Stefan Trethan
It s on the wishlist to make a Linux version, but a good bit down and rated very difficult. So it won t get done for a long while, if ever. They d also have to
Re: [Homebrew_PCBs] board for testing
2008-03-26 by Mike Schoenborn
... Thanks, Stefan, I d like to take you up on your offer. Would you like to download the .zip yourself (http://dcchapters.ipc.org/html/9251form.htm), or
Re: [Homebrew_PCBs] Bubble-etch tanks in Australia?
2008-03-26 by Adam Seychell
... For small volumes (
Re: [Homebrew_PCBs] Drill file standards / Alignment
2008-03-26 by DJ Delorie
... Agreed. Support Excellon and everyone else will support you, since pretty much any pcb cad program needs to be able to output Excellon anyway.
Re: [Private message Homebrew_PCBs] Drill file standards / Alignment
2008-03-26 by KeepIt SimpleStupid
Do you know about this company: www.smallparts.com and www.sdp-si. KISS ____________________________________________________________________________________ Be
Re: [Homebrew_PCBs] Drill file standards / Alignment
2008-03-26 by Leon
... From: To: Sent: Wednesday, March 26, 2008 1:36 AM Subject: [Homebrew_PCBs] Drill file standards
Drill file standards / Alignment
2008-03-26 by listgroups08@ozwebwiz.com
Hello all, I am a new member here and just starting over after many years. I like to make things fool proof so that even I can use them. For a resist mask I
Re: [Homebrew_PCBs] Target 3001
2008-03-26 by Matthew Smith
Quoth Steve Greenfield at 2008-03-26 11:27... ... But sadly only for Windows, at least as far as I can see. -- Matthew Smith Smiffytech - Technology Consulting
Target 3001
2008-03-26 by Steve Greenfield
Free version comparable to Eagle with 250 pads, 2 layers, and 1.2m x 1.2m, and the non-free prices aren t bad.
Re: [Homebrew_PCBs] PCB Software, was Re: New Member
2008-03-26 by Leon
... From: Steve To: Sent: Wednesday, March 26, 2008 12:07 AM Subject: [Homebrew_PCBs] PCB Software,
PCB Software, was Re: New Member
2008-03-26 by Steve
Who or what is Target? I don t see a link in the Links section... hint, hint. Steve Greenfield
Re: [Homebrew_PCBs] Re: New Member
2008-03-25 by Markus Zingg
DJ, Basically eagles ULP language contains all information about the internal data structures of every existing object. All you need to write export scripts
Re: [Homebrew_PCBs] Re: New Member
2008-03-25 by Stefan Trethan
I asked cadsoft support a question once (how you can add dimensions to the outline of a PCB). The response i got was that it can t do that and i should use a
Re: [Homebrew_PCBs] Re: New Member
2008-03-25 by DJ Delorie
... Are these ascii formats documented? I suppose they could be used to convert to/from gEDA format, too.
Re: [Homebrew_PCBs] Re: New Member
2008-03-25 by Markus Zingg
Actually this happened to me, and I was very upset back then especially because CadSoft support refused to help even though the case was pretty clear
Re: [Homebrew_PCBs] New Member
2008-03-25 by Philip Pemberton
... Hm. The HP Everyday paper isn t too bad in this respect - nice and easy to see through (it s quite thin). The problem is the toner usually doesn t stick to
Re: [Homebrew_PCBs] New Member
2008-03-25 by KeepIt SimpleStupid
... I did some exposures using polyester paper, which works really well. I used push pins to get the alignment (holes in the copper) and I put a few drops of