Re: HELP: D\Side Photo resist pcb
2008-07-17 by Howard
... Hi yes it is solid copper and positive resist pcb it has thu-hole components, but i can clear these with a drill bit, the rest of the components ground are
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Re: [Homebrew_PCBs] HELP: D\Side Photo resist pcb
2008-07-17 by KeepIt SimpleStupid
If it s solid copper, then yes. If it has thu-hole components, then no. It also depends on whether your using positive or negative resist. ... From: Howard
HELP: D\Side Photo resist pcb
2008-07-17 by Howard
Hi Just had a thought about a board i have to do soon it needs to have a ground plane on the top side. Now i have got some d side photo resist board, and i was
Re: Direct Inject PCB Supplies for Sale
2008-07-15 by hal91k
Hey guys, All the stuff has been sold - thanks!
Re: CadSoft Eagle pads question
2008-07-15 by Steve
It is acceptable to discuss it here, too. Steve Greenfield owner Homebrew_PCBs
Re: CadSoft Eagle pads question
2008-07-12 by warrenbrayshaw
Follow the instructions in the Eagle tutorial to understand how to pour ground planes. This subject should be discussed in the eaglecad@yahoogroups.com group.
Re: Direct Inject PCB Supplies for Sale
2008-07-11 by hal91k
Hi Clint, I send you an email, but I haven t gotten a reply yet. Are you still interested? If so, send me an email at chemistrypaul@yahoo.com Cheers, Paul
Re: [Homebrew_PCBs] Re: CadSoft Eagle pads question
2008-07-11 by Mike Young
That might be the step Alan is missing. Try changing the polygon s signal name to GND. Eagle should then merge the ground traces into the ground plane, and
Re: [Homebrew_PCBs] Re: CadSoft Eagle pads question
2008-07-11 by Markus Zingg
There is an isolation spacing setting in the poligon propperties. You can also change it on an existing poligon. This setting will define the isolation
Re: [Homebrew_PCBs] Re: CadSoft Eagle pads question
2008-07-11 by Viper62pr
I have used polygons to make ground planes also, I would just rename the polygon as GND same as all of my GNDs, I use a polygon around the whole bottom layer.
Re: CadSoft Eagle pads question
2008-07-11 by alan00463
... everthing ... and the ... TO92 is ... would be ... pads as ... and ... Although I don t need a polygon now, I have used polygon to create a groundplane in
Re: [Homebrew_PCBs] Re: CadSoft Eagle pads question
2008-07-10 by Mike Young
... From: Harvey White To: ... If you have special needs, sure, you could do that. For almost
Re: [Homebrew_PCBs] Re: CadSoft Eagle pads question
2008-07-10 by Harvey White
... Yes, or anything else you want to solder to the foil directly. I also use polygons for large ground planes. Harvey
Re: today's problem...
2008-07-10 by Lee Studley
I found that after the cleaning and steel wool, I would give a final wipe down with acetone or denatured alcohol, let if evaporate fully, and it made all the
Re: CadSoft Eagle pads question
2008-07-10 by alan00463
Okay, thank you all for your quick replies. Now I understand that a pad marked 3,81/1,4 would make a 1.1mm diam. hole inside a 3.81 mm diameter pad.
Re: [Homebrew_PCBs] CadSoft Eagle pads question
2008-07-10 by Harvey White
... MM diameter and hole, IIRC ... Add it to the schematic and it shows up on the board. Especially useful for test pads. For mounting pads, try polygons.
Re: [Homebrew_PCBs] CadSoft Eagle pads question
2008-07-10 by Mike Young
Alan, The usual workflow is to first workup the schematic, and later drag the parts into place on the board. You should find more part libraries on the Cadsoft
Re: [Homebrew_PCBs] CadSoft Eagle pads question
2008-07-10 by Leon
... From: alan00463 To: Sent: Thursday, July 10, 2008 5:48 PM Subject: [Homebrew_PCBs] CadSoft Eagle
CadSoft Eagle pads question
2008-07-10 by alan00463
Looked through the freeware Eagle 4.16 s wirepads library. Its thirteen thru-hole pads and four SMD pads are more than adequate for what I m doing. However, in
Re: [Homebrew_PCBs] Re: etched 5/5 results
2008-07-10 by Stefan Trethan
... It sure is bad for them. Once the tip coating is broken, it s gone. Your hand will heal just fine ;-) No, seriously, just use a proper stand and it s dealt
Re: [Homebrew_PCBs] Via hand soldering: Re: Eyelet press recommendation
2008-07-10 by David Griffith
... I read that in Popular Electronics some time ago. -- David Griffith dgriffi@cs.csubak.edu A: Because it fouls the order in which people normally read text.
Re: [Homebrew_PCBs] Re: today's problem...
2008-07-10 by DJ Delorie
... 2880 DPI inkjet on Silkjet film. I ve posted here before about the printer s paper feed not being as accurate as needed, giving comb-shaped edges. ...
Re: etched 5/5 results
2008-07-09 by Richard Mustakos
I don t remember why I learned this, and I m sure it is bad for them, but whenever I use an iron or soldering iron, when I am done,and it is unplugged, I cool
Re: today's problem...
2008-07-09 by Jon Elson
... Yup, I have seen a bit of this. I am no longer doing boards myself, the commercial shops are SO cheap, although I might do one every few years. But, I am
Re: Anybody tried using decal paper ?
2008-07-09 by shroffja
Ah, Did not think about that, they mentioned somewhere that they also have rub on decals so I thought it might not be a full square film, but come to think of
Via hand soldering: Re: Eyelet press recommendation
2008-07-09 by Lee Studley
Tip: If you do this manual soldering of vias: I like to either use stripped wire-wrap wire or a strand( from a length of stranded wire ) and weave it in and
Re: [Homebrew_PCBs] Re: Eyelet press recommendation
2008-07-09 by Mike Young
... From: Harvey White To: Sent: Wednesday, July 09, 2008 9:04 AM Subject: Re: [Homebrew_PCBs] Re:
Re: [Homebrew_PCBs] Re: Eyelet press recommendation
2008-07-09 by Harvey White
... The wires falling out of the holes. Simple wire through does not work well for me, the wire ought to be properly bent over (and is a bit awkward to do).
Re: Eyelet press recommendation
2008-07-09 by gnuvvekaavaali
... If you use separate vias, why bother with an eyelet? Just insert a snipped off lead (from a resistor, or cap?) and solder on both sides. Or am I missing
Re: throughole PCB with electrochemical
2008-07-09 by tsescrl
Hello Daniel, I remeber this exchange on this forum, very nice with M.Markus Zing. If i can help you, very pleasure. How is your problem, make a plating bath
Re: throughole PCB with electrochemical
2008-07-09 by dandumit
I am definetly interested but my chemistry knowledge is almost 0. However are here on list 2 guy very profesional on this area : Markus Zing and Patrick
Re: [Homebrew_PCBs] etched 5/5 results
2008-07-09 by Markus Zingg
This statement is mutually exclusive. Markus
Re: [Homebrew_PCBs] etched 5/5 results
2008-07-09 by fana cute
i want to have my own home brew PCB, and sell my product to mass market.. i have try again my method with diazol as photoresist, an baking it yesterday...thats
RE: [Homebrew_PCBs] etched 5/5 results
2008-07-08 by Herbert E. Plett
... sure you got a lot of teardrops.... (well... not absolutely for free!)
Re: Anybody tried using decal paper ?
2008-07-08 by Ebbe
I don t think it s going to work. Mostly because the film will be full covering , not only cover where we want to keep the copper, but as one big square film.
Re: [Homebrew_PCBs] etched 5/5 results
2008-07-08 by DJ Delorie
... Not really. ... It s an Epson R280 at 2880x2880 dpi. It goes to 5760x2880 but the software prefers a 1:1 aspect ratio. I m using the Epson claria ink,
[Homebrew_PCBs] etched 5/5 results
2008-07-08 by Larry Battraw
... (snip) ... I had a few questions I ve been meaning to ask ever since I saw your incredible inkjet results. Do you have a detailed description of your
Re: [Homebrew_PCBs] etched 5/5 results
2008-07-08 by DJ Delorie
... With the pulsar paper and green film (which protects against pinholes and other toner-related problems), I ve managed 6.7 mil traces (four pixels wide on
Re: [Homebrew_PCBs] etched 5/5 results
2008-07-08 by Dylan Smith
... The method s great for one-offs or perhaps producing a couple of PCBs. I wouldn t dream of using it for more than that - it s just too time consuming, and
Re: [Homebrew_PCBs] etched 5/5 results
2008-07-08 by Leon
... From: Dylan Smith To: Sent: Tuesday, July 08, 2008 9:53 AM Subject: RE: [Homebrew_PCBs] etched 5/5
Re: [Homebrew_PCBs] etched 5/5 results
2008-07-08 by fana cute
I ve done with 8 mil track, good result after ironing, but some of track are disappear after etching...i etched in feric clorid at 70 C, almost 5 minute.. By
Re: [Homebrew_PCBs] etched 5/5 results
2008-07-08 by Dylan Smith
... I ve done 8 mil tracks/spacing (actually, I think it was 7.6 mil or thereabouts, it was for an LQFP with 0.4mm pin pitch) using laser toner transfer and
RE: [Homebrew_PCBs] etched 5/5 results
2008-07-08 by Dylan Smith
... Don t laugh, I ve done it. Well, I was 17 at the time, didn t have a stand for the soldering iron so used to hook it to the radiator beside me. I d pick
Re: [Homebrew_PCBs] etched 5/5 results
2008-07-08 by fana cute
oke thanks djelorie, it works at 12 mils track, may i ask question again, have you tried with 8 or 6 mils with same methode? how the result? ... From: DJ
Re: [Homebrew_PCBs] etched 5/5 results
2008-07-08 by DJ Delorie
... http://www.delorie.com/pcb/ Look under Goodies for the bloat feature s sample circuit board. It has samples from 12 mil down.
Re: [Homebrew_PCBs] etched 5/5 results
2008-07-08 by fana cute
I ve tried to make my own PCB with glossy paper, it work good with 15 mils track, but i dont know the minimum track that work well with this method? Fana
Anybody tried using decal paper ?
2008-07-07 by shroffja
Hi All, Ran into this site today http://www.decalpaper.com/category-s/3.htm and was wondering if these woul survive ferric chloride? This might help avoid some
RE: [Homebrew_PCBs] etched 5/5 results
2008-07-07 by Bertho Boman
Herbert, That is the funniest in a long time!!!!!!!! Bertho =================================== From: Herbert E. Plett Sent: Monday, July 07, 2008 12:37 ...
Re: Direct Inject PCB Supplies for Sale
2008-07-07 by clintonlcorbin
Paul, I ve been looking at trying direct PCB printing. I ll take the whole works off your hands if you haven t already sold it. Clint
Re: [Homebrew_PCBs] etched 5/5 results
2008-07-07 by Herbert E. Plett
... just grip the soldering iron from the sharp end... you will get plenty..... OK, just kiding :=)