Re: [Homebrew_PCBs] Re: Plated through holes
2002-12-11 by JanRwl@AOL.COM
In a message dated 12/11/2002 12:01:08 AM Central Standard Time, ... Gotcha! Thanks for clarification. I HAD originally realized he activation was
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2002-12-11 by JanRwl@AOL.COM
In a message dated 12/11/2002 12:01:08 AM Central Standard Time, ... Gotcha! Thanks for clarification. I HAD originally realized he activation was
2002-12-11 by JanRwl@AOL.COM
Opry: There is no POINT in fussing with plated-through-holes for just a few holes that must be plated through or a few boards with a few such holes! The
2002-12-11 by twb8899 <twb8899@yahoo.com>
Jan, Let me clarify the plating issue. Everything past the activator stage is electrolytic . In the acid copper plating tank it takes about 30 minutes to
2002-12-11 by JanRwl@AOL.COM
In a message dated 12/10/2002 3:50:14 PM Central Standard Time, ... Right ON! Looking forward to that! But ya know, somehow, it seems that plating over the
2002-12-11 by JanRwl@AOL.COM
Thanks for the paper cutter reply I will gawk at Office Despot (nearby). [Non-text portions of this message have been removed]
2002-12-11 by twb8899 <twb8899@yahoo.com>
Adam, Wow, you are quite a researcher and experimenter. I never did try out the blackhole process. They had some trouble in the early days with innerlayer
2002-12-11 by adam_seychell <adam_seychell@yahoo.com.a
Tom thanks for sharing this with the group. That is a fascinating story. I just blows me away when I hear how a common ingredient used in every day life can be
2002-12-11 by oprystar <oprystar@yahoo.com>
Hey guys, The plated through holes is interesting, yet it sounds costly and burdomsome, as well as risky disposal issues. I have never had the need to made a
2002-12-10 by twb8899 <twb8899@yahoo.com>
Jan and the group, I ll be glad to do a write up on making plated through holes. How much detail does everyone want? There are about 60 steps to the whole
2002-12-10 by John Greene
Hi Jan, For the last 30 years I have used a regular paper cutter to cut the glass board. I would recommend one with at least a 18 handle i.e.. a 12 x12
2002-12-10 by Hans Wedemeyer
Adam, Thanks for the description and insight. I have been talking to my favorite PCB shop and they may sell me a small quantity of the activator they use. I
2002-12-10 by Russell
... It s a *real* guillotine with upper and lower shearing edges made from hard 10mm thick ground steel. It can cut 1/16 soft materials like brass and copper
2002-12-10 by JanRwl@AOL.COM
In a message dated 12/9/2002 7:10:06 PM Central Standard Time, ... Tom! Yes, I, at least, would LOVE to read that! Jan Rowland [Non-text portions of
2002-12-10 by JanRwl@AOL.COM
In a message dated 12/9/2002 7:01:15 PM Central Standard Time, ... I take it this guilotine is the European word for paper cutter such as is used in
2002-12-10 by adam Seychell
Hello Hans, I didn t give any details on the process I was using only because I haven t got it working good as I like and it would take me all day to write up
2002-12-10 by Hans Wedemeyer
Adam, I just posted a message about solutions, and would like to know what is in the super activated palladium catalyst and electroless copper bath ? Also
2002-12-10 by Hans Wedemeyer
Jan, About cutting FR4.... I had the same experience using using cutting blades even when labeled for metal cutting. I did find a solution, but requires some
2002-12-10 by twb8899 <twb8899@yahoo.com>
Jan and the group, When cutting FR-4 laminate you should consider using a diamond blade bandsaw like the ones for stained glass cutting. They work great.
2002-12-10 by twb8899 <twb8899@yahoo.com>
Adam and the group, If you want to make plated through boards you should consider asking a board fabricator to sell you some of their existing chemistry. The
2002-12-10 by Dwayne Reid
... Before we got a shear, we used a radial arm saw with a carbide tipped blade (still do for ripping 4 x 3 sheet stock down to a size that the shear is
2002-12-10 by Russell
... Try a scroll saw if you can find a carbide cutter. The cutter is much smaller (and cheaper) than a bandsaw blade and you can do more intricate shapes. It s
2002-12-09 by JanRwl@AOL.COM
In a message dated 12/9/2002 1:56:21 PM Central Standard Time, ... Adam: I do one-off double-sided boards all the time, but without PTH, this is relatively
2002-12-09 by adam Seychell
Hi all, I was just wondering how many people here would like to make their own plated through hole double sided boards. How far are hobbyists willing to go ?
2002-12-07 by Mike DeMetz <n9gez@qsl.net>
Yes I got the demo. I loaded it on my CNC box but it was a day ahead because time was set to AM instead of PM. This caused a Clock setting problem, trying to
2002-12-06 by Tim Goldstein
If you get DeskCNC it has DeskPCB as one of the programs in it. Through Sunday the 8th you get a free controller board with the purchase of the software ($50
2002-12-05 by Alan Marconett KM6VV
Hi Mike, I did, works great! Alan KM6VV
2002-12-05 by High Tech
Hi Mike did you downloaded the demo? If you try it you will like it. I have not tried it with Eagle but I can say it works great with PcLogic. The best outline
2002-12-04 by Mike DeMetz
Has anyone tried it with Eagle?
2002-12-01 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
2002-11-29 by oprystar
Russell, Many thanks for your follow up! I am not sure what some of that is. I will start researching it right away though. You made it sound like a pretty
2002-11-29 by Russell
... Just need a lens that focuses onto an IR photodiode. The lens needs to be transparent and a low noise preamp connects to the photodiode. AC couple the DC
2002-11-28 by oprystar
Hello all, I am wanting to build a seeking device (camera), or thermal heat detector. No need for LCD, a blinking LED would be fine. I want to use it to track
2002-11-26 by dougfennell2000
thanx, I ll give it a try. ... a ... alignment ... good ... this ... layout, ... to
2002-11-24 by Dave Mucha
I am not sure about the errors, but it may be that you have a tool bit size in the program that it too large for the traces. for instance, if your bit size is
2002-11-22 by caveteursus
Adam -- I think that 5% NaOH is overdoing it -- not that Sodium Hydroxide is expensive -- but I think that 3% is fine. 5% will blow the photoresist right off
2002-11-21 by Cristian
You can use a piece of plastic transparent tube, similar to those used for perfusions or for aquariums. Introduce it in the FeCl cuve and pierce (using a hot
2002-11-20 by John Beatty
I went along to my local pet shop (in Stroud, UK) and bought a bubbler which looks as though it is made of sintered silicon carbide. It is about 4 long by
2002-11-20 by James Owens
Hi List, I started my foray into making my own circuit boards by ordering ferric chloride and tinning compound from those nice people at Mega. While I was
2002-11-17 by dougfennell2000
Hi all. I downloaded the deskpcb software and it seems to do a good job. I was wondering if anyone else has given it a spin. If you have, here are a few
2002-11-13 by Hans Wedemeyer
Try this http://www.netcomuk.co.uk/~wwl/pcbs.html It s NOT the absolute only way to do this, but it has several good idea s. Visit the download page of this
2002-11-13 by cdineshram_in
Hi friends, Iam new to pcb design guys, can anybody help me out as how to create a pcb a have the pcb circuit layout i hav to do this neatly.do any one have
2002-11-09 by IMService
... Try to download the link by right clicking instead of left clicking, or answer the download dialog with save to disk instead of open the file from it s
2002-11-08 by tomdoyle123456789
Tried to download demo several times and received the following error message. Sorry....Cant run from here! ... Gerber
2002-11-08 by Salam
Use Sodium Hydroxide or any material used in developing the PCB
2002-11-08 by luther m stroud
t j byers wrote in nuts and volts to try circuitmaker2000 the free student version down loaded at www.microcode.com for schematic drawing
2002-11-07 by luther m stroud
I had some exposed board that had negative kpr type resist i think i used paint stripper to clean them it was stippeze i think the active part was methylene
2002-11-06 by Adam Seychell
If it is dry film resists then you need a strong alkaline like sodium hydroxide. Exposed the remaining resists and then soak in say 5% solution for few minutes
2002-11-06 by JanRwl@AOL.COM
Jack: I admit I have used ONLY one kind of that spray-on, photo-sensitive resist , and it ALWAYS came off instantly with JUST lacquer thinner. BUT, I imagine
2002-11-06 by jackafaz
Hi, I have some old PCB boards that were exposed but never eched. I need to find something to remove the old resist. I have tried Mineral Spirits, Lacquer
2002-11-04 by Dwayne Reid
... About the nicest free schematic package that I ve seen is SwitcherCAD from Liner Technology . This is a full-blown