Re: Phenolic boards for PCB Milling
2003-08-18 by crankorgan
Arnie, The spindle speed on the Taig is toooo slow. You need 16,000 rpms to mill circuit boards at 6 per minute using a two fluted mechanical etching bit.
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Re: [Homebrew_PCBs] Phenolic boards for PCB Milling
2003-08-18 by Stefan Trethan
why don t you use a household hoover with a flexible hose (for electrical installations there are thinner ones) to get rid of the dust? the glass is bad for
Phenolic boards for PCB Milling
2003-08-18 by acfrankenberger
I have a Taig mill I was hoping to use to mill out (trace isolation) and drill some circuit boards. Would phenolic based boards make the milling process less
Re: [Homebrew_PCBs] KOH running low...
2003-08-18 by Stefan Trethan
i remember now where i have my koh from. i got it from a friend which is growing wine. they use it to clean out the tubs in which the berries are transported
Re: [Homebrew_PCBs] KOH running low...
2003-08-17 by adam Seychell
By stripping I assume you mean stripping negative dry film photoresist. If so then you can use any strong alkaline ,such as sodium hydroxide also known as
Re: Toner transfer
2003-08-17 by wheedal99
We probably need just a few more details to help guess at what is causing the problems. What are you using to fuse the toner to the copper? I use a cheap
Re: Toner transfer
2003-08-17 by Dave Mucha
... works ... if you aresaying the kines are not straight, then the paper is moving. if you are saying the lines vary in thickness and or sharpness, then the
Re: [Homebrew_PCBs] Toner transfer
2003-08-17 by Russell Shaw
... Heating and pressing causes the tracks to flatten out.
Toner transfer
2003-08-17 by shuttleau
All I have started using the toner transfer process and it generally works well for what I make. One problem is the track edges. Sometime they are ragged ,
Re: [Homebrew_PCBs] KOH running low...
2003-08-17 by Stefan Trethan
On Sat, 16 Aug 2003 19:30:00 -0700 (PDT), Randy Knutson ... please if you reply to older messages to get the adress delete the older message part... isn t
Thanks to the group!
2003-08-17 by ghidera2000
My first good etched board was the result of great advice from this group. Now, my first good double sided board has been made - again, thanks to advice from
KOH running low...
2003-08-17 by Randy Knutson
Hi, As I was stripping a PCB board today I realized my supply of Potassium Hydroxide was running very low. I was wondering if anyone knew of a common household
Fwd: RE: Personalgroupware
2003-08-14 by Steve Greenfield
PG Offline is online. Get the latest version, install it, then download and install the patch. I ve downloaded the entire list of messages. At some point I
END THREAD Re: Found a great place to get boards made cheap
2003-08-13 by Steve
With the power vested in me by this bein my darn list, I officially deem this thread -OVER-. Please debate this off list. Illegal is illegal, please do not
Re: [Homebrew_PCBs] Re: Found a great place to get boards made cheap
2003-08-13 by Stefan Trethan
@dave is linux bad? is staroffice bad (ok - now sun has got it... )? is irfanview bad? is opera bad? is flashget bad? i think some of the best pieces of
Re: Found a great place to get boards made cheap
2003-08-13 by Dave Mucha
damn, I HATE Yahoo ! I just wrote a logical reply and yahoo trashed it and asked for my password ! crmmmy software designers.. shouldn t be allowed to charge
Re: [Homebrew_PCBs] Re: Found a great place to get boards made cheap
2003-08-13 by Stefan Trethan
Hi Markus I understand what your opinion is.. But i too know why people are not so prepared to spend so much $$ on software as on hardware. When they buy
Re: [Homebrew_PCBs] Re: Found a great place to get boards made cheap - Qcad
2003-08-13 by Leon Heller
... From: Dave Mucha To: Sent: Tuesday, August 12, 2003 10:49 PM Subject: [Homebrew_PCBs] Re: Found a
Re: [Homebrew_PCBs] Re: inkjet transparency testing
2003-08-13 by Adam Seychell
Another thing I ve found is that line edges are a lot more jagged on edges that are perpendicular to the travel direction of the inkjet head. This effect was
Re: [Homebrew_PCBs] Re: inkjet transparency testing
2003-08-13 by Adam Seychell
... Not really. I ve mainly used epson stuff which is very dark, so I ve never had problems with overexposure. I ve also made a couple of boards using the HP
Re: inkjet transparency testing
2003-08-13 by Ben H. Lanmon
Just ran some test prints on my HP Deskjet 855 using different settings, this was using the HP Transparencies. The best copy was from the HP Transparency,
Re: inkjet transparency testing
2003-08-13 by Ben H. Lanmon
What I have used other than the HP transparencies which as I said seem to work the best in a HP machine. Used Xerox did not work well in my HP 855, might get
Re: [Homebrew_PCBs] Re: inkjet transparency testing
2003-08-13 by Russell Shaw
... It makes exposure time less critical if the ink blocks better. ... The idea is to *not* have a smooth surface. ... They d probably clog less and dry
Moderator note: Re: Found a great place to get boards made cheap
2003-08-12 by Steve
... If this is a guarded reference to cracking software, please keep this off the list. Eagle -is- free for personal use, with limits. Steve, the touchy
Re: Found a great place to get boards made cheap - Qcad
2003-08-12 by Dave Mucha
... the ... I tried the demo version of Q-Cad and it seems OK, but I found the library lacking. Trying to design a simple 555 chip with caps and resistors and
Re: [Homebrew_PCBs] Re: Found a great place to get boards made cheap
2003-08-12 by Markus Zingg
Hi Stefan ... If you refer to the cracked version of Eagle, then the problem is that this one generates files that are not readable by the oficial version
Re: [Homebrew_PCBs] Re: inkjet transparency testing
2003-08-12 by Stefan Trethan
i am not too convinced that the darkness is most important to be measured... do you really have problems with the whole printout being not dark enough? i
Re: [Homebrew_PCBs] Re: Found a great place to get boards made cheap
2003-08-12 by Stefan Trethan
i only want to mention that there are ways to get around eagles free limits if you only want it for personal pcbs. I tried it for some days unlimited without
Re: [Homebrew_PCBs] Re: Found a great place to get boards made cheap
2003-08-12 by Markus Zingg
Hi Leon ... As mentioend, I did not intensively looked at it. However there is a user e-mail list and the autor - although being just one seems to be fairly
Re: [Homebrew_PCBs] Re: Found a great place to get boards made cheap
2003-08-12 by Neil
Also check out www.eprotos.com -- excellent boards and service, and the best pricing I could find for 100-pc quantities. Cheers, -Neil.
Re: [Homebrew_PCBs] Re: Found a great place to get boards made cheap
2003-08-12 by Leon Heller
... I tried Autotrax out of curiosity and found it unusable! It was very slow and had lots of bugs. I think it s been improved, but now costs money. The
Re: [Homebrew_PCBs] Re: Found a great place to get boards made cheap
2003-08-12 by Leon Heller
... PCB Pool provide an excellent service, I use them a lot. Leon -- Leon Heller, G1HSM Tel: +44 1424 423947 Email:leon_heller@hotmail.com My web page:
Re: Found a great place to get boards made cheap
2003-08-12 by ghidera2000
While not really free, the cheapest good software I ve found is QCad. Less than half the price of the Eagle bundle. THere is a demo but, like Eagle, its
Re: [Homebrew_PCBs] Re: inkjet transparency testing
2003-08-12 by Adam Seychell
thanks for the reply, You are absolutely right about transparency making a difference. From the 8 brands I ve tried, each one behaves different. And yes, the
Re: [Homebrew_PCBs] Re: inkjet transparency testing
2003-08-12 by Russell Shaw
... I ve not got around to trying this: Most inkjets (except epson) use rough transparencies for ink adhesion. The ones i ve looked at were actually smooth
Re: inkjet transparency testing
2003-08-12 by Ben H. Lanmon
I use a HP DeskJet 855C with good results but would like better as I do get a few pin holes if exposed too long, using the HP Transparency, set paper type for
Re: [Homebrew_PCBs] inkjet transparency testing
2003-08-12 by Russell Shaw
... Beware that if a uv photodiode is slightly sensitive to IR, it may still dominate the measurement because atleast one transparency (epson ones) have low
Re: [Homebrew_PCBs] inkjet transparency testing
2003-08-12 by Adam Seychell
Its difficult finding a UV photodiode under AU$100. There are blue enhanced photodiodes go down to about 350nm with %10 sensitivity relative to peak
Re: Found a great place to get boards made cheap
2003-08-12 by kingsettler2002
PCBFABExpress accepts ONLY Gerber 274X format.. there are plenty of free or cheap design software available for example GC-prevue
Re: [Homebrew_PCBs] Re: Found a great place to get boards made cheap
2003-08-11 by Markus Zingg
Hi Dave I m personally using eagle, but bought a professional license. The free one is fairly limitted space wise. I m fairly happy with eagle and also needed
Re: Found a great place to get boards made cheap
2003-08-11 by Dave Mucha
interesting idea. my biggest problem is in board design software. seems eagle is about as free as you get with functinality. what file types to they take ?
Found a great place to get boards made cheap
2003-08-11 by kingsettler2002
Hi All, ..so I used to make simple boards myself, but I think the price points have come down so much for proto borads that it is really okay to get them made
Re: [Homebrew_PCBs] inkjet transparency testing
2003-08-11 by Stefan Trethan
hi good idea this testing.... i too do not know if digital cams (ccd or cmos?) can see uv. they definitely can see IR (good for testing remotes, night vision).
Re: [Homebrew_PCBs] inkjet transparency testing
2003-08-11 by Russell Shaw
... Maybe you could print a black area a few cm square then detect how much uv gets thru with a uv photodiode.
Re: [Homebrew_PCBs] inkjet transparency testing
2003-08-11 by Markus Zingg
... [question sniped] I can t help with your question, but I want you to know that I m very interested in the results of your tests. Compareing the results of
inkjet transparency testing
2003-08-11 by Adam Seychell
Hello, I was interested in testing performance of various inkjet printers and transparency print media. Since I have a HP 692, Cannon S330, and Epson Stylus
Ignore this message.....TEST
2003-08-07 by watsoneng
Test...
Re: Downloading the list
2003-08-05 by Dave Mucha
I ve been corresponding with Wilson over the last month or so. great guy. I think he realizes the problem with the yahoo deleting all the attachements on the
Downloading the list
2003-08-04 by Steve Greenfield
... __________________________________ Do you Yahoo!? Yahoo! SiteBuilder - Free, easy-to-use web site design software http://sitebuilder.yahoo.com
RES: [Homebrew_PCBs] Re: [Homebrew PCBs] Ótimo site ( de novo )
2003-08-04 by Eduardo Perdomo
Sorry, it sent for deceit, was for another list.. www.geocities.com pancary Home Build Plotter Driver ... De: Stefan Trethan [mailto:stefan_trethan@gmx.at]