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Homebrew PCBs

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Anybody uses successfully a sun lamp?

2004-01-12 by mikezcnc

I am using a 275W Sun Lamp from GE, one of the kind that was used years ago to get a sun tan. It s 15 inches above the sandwich of positive PCB and flimsy

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Re: could this work for PCB milling?

2004-01-12 by mikezcnc

I talked to them few years ago and they admitted that there is not enough precision for what you want to do. I also suggest wwww.kleinbauer.com Great plans

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Re: Silk Screen

2004-01-12 by roel_cnc

... obtain ... PCB ... screen ... made. ... was ... frames, ... itself, ... Hi, Balan To make a film for screen printing it must be even better (real black) as

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Re: Silk Screen

2004-01-12 by grantfair2001

Toner transfer is more appropriate for prototypes. Why? There are fewer steps with toner transfer - draw PCB art on computer, laser print it, iron on to PCB,

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Re: [Homebrew_PCBs] Silk Screen

2004-01-11 by Xtian Xultz

On Sun, 11 Jan 2004 10:51:34 -0800 (PST) ... Sure you can, that is the method used in any PCB fabric. In my silk screen stuff vendor, there is a etch resist

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Silk Screen

2004-01-11 by Balan

Hi I am just learning the art of PCB making. Can Someone tell me is it possible to transfer etch resist onto a board using Silk screen and if possible what is

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Re: could this work for PCB milling?

2004-01-11 by Dave Mucha

... It looks very much like drawer slides and the manual depicts the arrangement of drawer slides. Also, since linear rails on 3 axis will cost more than the

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Re: could this work for PCB milling?

2004-01-10 by mikezcnc

Hi Check http://groups.yahoo.com/group/CNC-PCB_Design/Stefan as they talk a lot about the slides for CNC. On a subject of cutting that was few weeks ago, that

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Re: Eagle library for PIC

2004-01-10 by Dave Mucha

... PDIP ... search found ... have. They ... I looked for a similar library for WinQCad and did the same thing. However, the thing I searched for, but was

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Re: could this work for PCB milling?

2004-01-10 by Dave Mucha

... when I ... kit ... Interesting design. I would assume that it will be able to do what you ask, but you need to also understand the tradeoffs. I think the

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could this work for PCB milling?

2004-01-10 by Justin

Firstly hello to the group - first time poster here :-) Currently I produce my own PCB s using the UV/dev/etch method. (homebrew UV box using insect killer

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Eagle library for PIC

2004-01-10 by Anthony Toft

Hi, I am looking for an eagle part for the PIC16F627, in the 18 pin PDIP form, does anyone have a place I can find this, my internet search found nothing...

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Datak negative Resist Success

2004-01-09 by ednspace

Thanks to all who answered questions earlier I finally have made some success with Negative photo resist method. After about a month of trial and errors I

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Re: Etch or drill first?

2004-01-09 by sciciora

With photo sensitive boards, I have found that drilling before developing/etching tears away a bit of the photo-sensitive coating, causing copper to be etched

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etching techniques

2004-01-09 by Ted Huntington

I finally bought an etchant tank at web-tronics.com, but before I was using a ziplock in an old pot filled with water over warm heat on an electric stove for

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Re: Etching Chemicals

2004-01-09 by dkesterline

Thanks, Metric doesn t bother me, but that comma used as a decimal seperator has thrown me more than once :-) I d like to see your tank setup, but I can wait

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LDI

2004-01-09 by Leon Heller

Here s an interesting article on LDI: http://pcdandm.com/pcdmag/mag/0401/0401barclay.pdf Leon -- Leon Heller, G1HSM Email: aqzf13@dsl.pipex.com My low-cost

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Re: Etching Chemicals

2004-01-09 by dkesterline

The 3% wasn t my first chioce, but it was redily available and at the price, I wouldn t have felt bad if it didn t work. Cost wise it s about the same as 30%

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Re: Etch or drill first?

2004-01-09 by dkesterline

I m in the proccess of setting up a CNC drill, the thing I m concerned about is getting the etched board on the drill tblw acuratly. Seems it would be easier

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Re: [Homebrew_PCBs] Etch or drill first?

2004-01-08 by Stefan Trethan

... Never drilled before etching. i use the etched holes as a drilling guide (to find the center). but i rarely make 2-sided pcbs (no tt yet at all). i don t

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Etch or drill first?

2004-01-08 by dkesterline

Which do you guys do first, etch or drill? I was thinking that drilling first would help me line up the toner transfer, but I m not sure about etching a

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Re: Etching Chemicals

2004-01-08 by dkesterline

Well, I finaly got around to buyng a jug of acid and trying this out. I bought a gallon of HCL (31.25%) from my local hardware store, $2.95 (USD) Stopped by

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Re: Microscope / smd soldering

2004-01-08 by wheedal99

I tend to use both. The caps and other jellybeans get hot air soldered, while I still use the solder iron drag technique to get the fine pitch ic s down.

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