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Re: [Homebrew_PCBs] Re: What pad size?

2006-01-03 by David Griffith

... Mouser has standoffs in many different sizes. Try a pair of popsicle sticks clipped or glued together, especially for several LEDS in a row. Stacked

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Re: CUCL Temperature , etch time ?????

2006-01-03 by Bruno St-Laurent

... for ... need to ... it ... you ... in the ... only one ... It is ... one ... battery ... swimming ... rotating ... etchant, ... grow in ... in ... gravity

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Re: What pad size?

2006-01-03 by aleph_and_torasu

... Where s a good place to get those? My LEDs look like wobbly spider legs.

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Re: First Boards

2006-01-03 by alan00463

... Yeah, John. I was wondering what kind of press you use too. If you already mentioned this, I must have missed it. Alan

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Re: CUCL Temperature , etch time ?????

2006-01-03 by Bruno St-Laurent

... USE ... pour with ... or three ... Wow really small quantity !!! last question, Can it be regenarate for ever , or should be dispose after some H2O2

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Re: CUCL Temperature , etch time ?????

2006-01-03 by Bob_xyz

H2O2 is available at beauty supply stores in concentrations up to 40%. (It s hair bleach.) It s sold in 1 quart bottles for US$5 or so. I get mine at Sally

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Re: CUCL Temperature , etch time ?????

2006-01-03 by Bruno St-Laurent

... time??? , ... around 5 ... green ... like 50C ... produced ... above ... levels ... I do use a bubbler !!!, ok, then i need to get concentrated H2O2!! is

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CUCL Temperature , etch time ?????

2006-01-03 by Bruno St-Laurent

Hi guys I m new using the homebrew mix of HCL 30% and H2O2 3%, and would like to know what is the best temperature for good etch time??? , right now when i do

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Re: First Boards

2006-01-03 by stewart_bakeruk

For doing double sided boards using transparencies I made up a jig from the same thickness PCB material in the shape of an L . The top and bottom

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Question about direct etch doughnuts

2006-01-03 by Lindle

I am using PCB123 to draw my circuit boards with and have made through rings slightly larger in the program. Now I find these direct etch doughnuts and want

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Re: [Homebrew_PCBs] Re: First Boards

2006-01-03 by Kim Currier

Hello, everyone... I am rather new to this board, and I have had some real good luck with Toner Transfer, but it hasn t quite made me happy with traces that

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Re: First Boards

2006-01-02 by kennytrussell

John, This was very helpful. I really appreciate it! I m not familiar with the press you use. I m still using an iron but I will look into what you have.

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Re: First Boards

2006-01-02 by jam5411

... folded-over ... problem. ... Using the Press n Peel I leave roughly 3/8inch overlap from the laser print out. This is 3/8 larger than the board outline.

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Re: [Homebrew_PCBs] Re: First Boards

2006-01-02 by Stefan Trethan

On Mon, 02 Jan 2006 21:09:15 +0100, kennytrussell ... I fold the cardboard over in the middle, and then put the whole spiel (PCB with layout paper on both

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Re: First Boards

2006-01-02 by kennytrussell

I m not sure I understand where you put the cardboard. ... someone ... edge ... an ... I ... over ... problem.

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Re: [Homebrew_PCBs] Re: First Boards

2006-01-02 by Stefan Trethan

On Mon, 02 Jan 2006 20:34:50 +0100, kennytrussell ... Yes, the curvature causes an error for me. If i put in in a folded-over piece of thin cardboard the curve

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Re: First Boards

2006-01-02 by kennytrussell

JohnM, I have done .5 mm also with no trouble. It amazes me that it can work so well - seems so crude but works so well! I appreciate the helpful tips too

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Re: [Homebrew_PCBs] First Boards

2006-01-02 by Stefan Trethan

... it will work for that too. I did 0.5mm pitch thin flatpack (the ones without real leads) with no problems, but you need a 600DPI printer. ST

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First Boards

2006-01-02 by jam5411

I have been reading with much interest all that I can about the Laser toner transfer method of making PC boards and after a few attempts have been absolutely

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Re: Toner transfer results

2006-01-02 by kennytrussell

George, At the moment, I m still sold on transparencies being better than the glossy paper, but really I don t know. I need to do a few more with paper. I have

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HP LaserJet 6L Contrast Settings?

2006-01-02 by soffee83

That other thread about the toner reminded me.- Does anyone who runs that HP not get the full adjustment prefs on their Windows machines? I get that simple

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Re: Toner transfer results

2006-01-02 by soffee83

Thanks Kenny! I bought a few sheets of transparency too a while back and haven t used it yet. All I ve ever done is glossy paper. I really want to get a bit

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Re: Toner transfer results

2006-01-01 by kennytrussell

George, If you get the toner just right (very light, really), I believe you can apply as much pressure as you wish and not worry about spreading too much. I am

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File - monthly.txt

2006-01-01 by Homebrew_PCBs@yahoogroups.com

Monthly Reminder, please read: Subject lines: Remember to change the subject line if you are straying from the original thread. Please change the subject line

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Re: Toner transfer results

2006-01-01 by soffee83

... When I was wondering about the pressure once, I sat a bathroom scale on the counter and pressed down on it with a push-up (exercise) handle thing that was

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Re: Toner transfer results

2006-01-01 by kennytrussell

John, I found that if I had the toner looking thin (sort of speckled) on the transparency (you can only tell with a good magnifier like my 30X one), that after

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Toner transfer results

2006-01-01 by whoop@blueyonder.co.uk

... Kenny, I upped the toner density to make sure I got a solid black print (I have a software utility to do that on my Apple Laserwriter). I get a good solid

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Re: PCBs with Eagle 4.16

2006-01-01 by kennytrussell

Stefan, Do you not have to worry about even very small traces getting scraped away? KT ... even ... away,

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