Re: [Homebrew_PCBs] Etchant options?
2003-05-22 by Stefan Trethan
i think all processes are capable of providing nearly the same results if used properly. the one thing is the resist, it must be suited for the etchant. the
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2003-05-22 by Stefan Trethan
i think all processes are capable of providing nearly the same results if used properly. the one thing is the resist, it must be suited for the etchant. the
2003-05-22 by Neil
Hi Marty, Interesting info. Thanks. Would you have any info relating to how clean the final etch is, and what minimum traces can be obtained by each of the
2003-05-22 by Stefan Trethan
there is also the possibility to use either hcl or sulphuric acid in combination with hydrogen peroxyde. the hcl H2O2 method is very related to air oxygen
2003-05-22 by Marty Grove
First of all, thanks for the replies concerning the various reasons you are all constructing boards. I¡¯m sure I¡¯ll find the ongoing discussions
2003-05-22 by wturchyn
A previous poster made the following comment: I did em myself using Radio Shack FeCl³. I tried Ammonium Persulfate once, but NO WAY at home, ever again!
2003-05-22 by Stefan Trethan
i also read it.. is really no funny stuff... but remember that a big amoumt of chemicals is known to may produce cancer and is still used. i don t really need
2003-05-22 by JanRwl@AOL.COM
Here s a U.S. Source for rod-ends: http://linkage.tuthill.com/productcatalog/ [Non-text portions of this message have been removed]
2003-05-22 by Neil
Correct -- rod ends are very slop-free. They are a very common item for suspensions on hot-rods, race cars, etc. You can get some good ones for approx $5
2003-05-22 by Adam Seychell
... You can buy them from bearing suppliers. When I was looking at using rod ends for this project a few years ago I remember them being not expensive. I will
2003-05-22 by Mike Putnam
... Wow! I just read the MSDS sheet on this stuff. Take care when using and read this if you buy it. A lot of the chemicals used in board processing are pretty
2003-05-22 by Derek B.
For Denver residence looking for a free lunch... Advanced Circuits (www.4pcb.com) just expanded and is having an open house June 5th, 2003, from 11:00 am to
2003-05-21 by JanRwl@AOL.COM
In a message dated 5/21/2003 6:59:00 AM Central Standard Time, ... Marty: Another old duffer s input on this point: Once upon a time when I was younger than
2003-05-21 by Dave King
... Grant If you have the silk screens you should look into the process a few people use. They do the photo exposed and developed silk screen then simply silk
2003-05-21 by Stefan Trethan
... hi for me this is also mostly a hobby. it resulted from the fact the the teacher which supervised the pcb making in the school i was when the demand for
2003-05-21 by grantfair2001
At this stage this is just a hobby for me. I hope to eventually be able to do some small production runs of things of interest to other hobbyists. If
2003-05-21 by Fred Smith
Some of you may have noticed one of our customers frustration last week with interfacing Eagle to Desk PCB. I received several e-mails from him that describe
2003-05-21 by Francisco Peña
Hi Marty, I make mostly audio effect circuit boards for musical instruments, specially guitar effects. www.tonepad.com ... Fp ... From: Marty Grove To:
2003-05-21 by Steve
... I added this to the Links page. Liquid Tin page is here: http://www.mgchemicals.com/products/421.html Steve
2003-05-21 by Peter Welty
I use a variety of methods for obtaining my own boards, from sending them out to a fab house (when I need the appearance and finish that a board house can
2003-05-21 by Chris Graham
I have a small company doing r&d in human-computer interaction devices that consist of hardware, firmware and host computer software. I do my own pcb
2003-05-21 by Markus Zingg
... Marty, Welcome :-) I thnink you will find many why people joined this list. Personally I m here to learn about how other people do their PCB s always
2003-05-21 by Leon Heller
... From: Marty Grove To: Sent: Wednesday, May 21, 2003 12:56 PM Subject: [Homebrew_PCBs] Quick
2003-05-21 by Stefan Trethan
has anyone thought of a dental turbine? i have seen them on ebay and i m wodering which system they use (shaft diameter of tool). and if they can be of any use
2003-05-21 by Marty Grove
Hello to everyone. My name is Marty Grove, and I have been around the printed circuit board manufacturing business for quite a few years. I found this group a
2003-05-21 by Markus Zingg
... Maybe it pay s off to call proxxon at their headquarter and ask for local suppliers. Here in Swizterland where I live you really find them in virtually any
2003-05-21 by Stefan Trethan
... in ... right ... interesting idea! but i don t think i have rod end bearings at home. i also think they have lot of clearance (sure when they are old,
2003-05-21 by JanRwl@AOL.COM
In a message dated 5/20/2003 8:15:09 PM Central Standard Time, ... It apparently was from another group I belong to, and attached itself to ALL my downloads
2003-05-21 by Adam Seychell
... The small drill presses I ve seen for a few hundred dollars have not been very stable compared to the thing I made. As I said, its a first design and there
2003-05-21 by Chris Graham
... trying. ... I use Tinnit too. Works great. Just dip an etched board with clean copper traces in Tinnit for two minutes and it s zinc plated, protected
2003-05-21 by Adam Seychell
... I just scanned all 7 JPG files and none came up with any remnants of virus code. The JPG format does not have ability to contain usable viruses. Can you
2003-05-21 by Adam Seychell
... You are quite right. I was a bit late and I was doing things quickly. That character is not supported by many email viewers, including my Netscape 7.0.
2003-05-21 by Mike Putnam
... Kepro is going out of business. You can find this material labeled as Tinnit, but a lot of people do not get good results. I have gotten good results only
2003-05-20 by Peter Welty
I don t know if this is obtainable for most people or not, but what I use is liquid tin from M.G. Chemicals (www.mgchemicals.com) I don t know what it really
2003-05-20 by JanRwl@AOL.COM
In a message dated 5/20/2003 7:41:34 AM Central Standard Time, ... MY virus-detector says The attached file looks suspicious... and the title of the
2003-05-20 by JanRwl@AOL.COM
In a message dated 5/19/2003 3:29:52 PM Central Standard Time, nuno-t@netc.pt ... TIN is in a completely different apartment on the Periodic Table. AgNO³
2003-05-20 by Stefan Trethan
... thanks for the pictures. now it is much clearer how you operate it. @steve: in my browser the apostrophe was no problem. but tinyurl takes a lot time to
2003-05-20 by Steve
... http://home.alphalink.com.au/~seychell/Drill_Press/Adam s_PCB_drill_press.html ... Never a wise idea to use apostrophe s in a link. It works if I cut and
2003-05-20 by adam Seychell
Hi Stephan and the group. As I said earlier I would try and make up a web page describing some details of the drill press I built. Feel free to ask any
2003-05-20 by Markus Zingg
... Stefan, I fixed your top posting - this is maybe off topic, but you would make reading threads easier by bottom posting. No offense, just to let you know
2003-05-20 by Stefan Trethan
proxxon also says they have good ball beared axles and gronded steel collets. the grinding hand tools are relatively cheap (30-40eur). they also have ready
2003-05-20 by Markus Zingg
... How about the Proxxon tools? I find them quite handy for various tasks when it comes to Homebrew PCBs http://www.proxxon.com/ lists the products
2003-05-20 by Adam Seychell
... I originally bought a Dremel, but it was so out of round, that the tip of the drill looked blurry when it was running. Well that just confirms you get what
2003-05-20 by Stefan Trethan
thank you! i forgot hp has the manuals of the printers online. but they have not the very old manuals.... i may buy this printer anyways, it costs nearly
2003-05-20 by Stefan Trethan
thank you, i fully understand now what thrust bearings are. i have some of them somewhere, but where..... i will see if my cheap drilling motor will do the
2003-05-20 by Adam Seychell
Stefan, http://howstuffworks.lycoszone.com/bearing3.htm This URL shows the basic idea of the thrust bearing. All I know is that the bearing used in car
2003-05-19 by Steve
I don t know specifically about the HP 400, but all the desktop HP inkjet printers I ve seen pull the paper in the front from that bottom tray you can see, and
2003-05-19 by Mike Putnam
One point to make here, when I mentioned fluorescent tubes, I was not refering to the white, like what you see overhead in office buildings. You will want to
2003-05-19 by Stefan Trethan
has anyone this model at home? may it somebody inspect for pcb printing possibilities? i would get it for little eur but i don t want to get it only to
2003-05-19 by Nuno-T
Hi everyone, I’m also interested in such a formula. I’ve heard that silver nitrate is used to this purpose. Is this truth? Does anyone have more info? Nuno
2003-05-19 by Stefan Trethan
i stupid guy have got the empty cartridges today. i wanted to try it out instantly if it works. there is a pcb which is connected to the print head and to the