Re: [Homebrew_PCBs] Through hole solutions?
2004-03-04 by Rick C.
Unless you re designing for production. If you get too used to doing that, it will be a bad habit to break. Rick
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Re: [Homebrew_PCBs] Through hole solutions?
2004-03-04 by Alan King
... Yes that is the other excellent suggestion, a few well placed jumper wires on the bottom out to a pad for the rest of the trace solves almost every problem
Re: [Homebrew_PCBs] Re: looking for a water heater
2004-03-04 by Alan King
... Yep with liquid immersion, you should really be able to just bypass the switch and have the element on the full time. Should work fine since with a large
Re: looking for a water heater
2004-03-03 by Phil
I not sure why you need such a high temperature. I just got done etching 3 boards in AP using an aquarium heater cranked all the way up. The first one took
Re: [Homebrew_PCBs] Re: Printing resist directly on PCBs
2004-03-03 by Stefan Trethan
... right, i was getting confused... (gmx changed the pop server adress and i did get no mail all day long. then suddenly there were 60 or so when i found out.
Re: [Homebrew_PCBs] Through hole solutions?
2004-03-03 by JanRwl@AOL.COM
In a message dated 3/3/2004 3:57:23 PM Central Standard Time, rixy@Vvalley.com writes: You can also see pic s of the process here:
Re: Printing resist directly on PCBs
2004-03-03 by Steve
... paper ... side of ... You are getting confused. We were talking about Alps for those above statements, and Alps are not inkjets. They are wax thermal (and
Re: [Homebrew_PCBs] Through hole solutions?
2004-03-03 by Rick C.
You can also see pic s of the process here: http://www.pic101.com/pcb/thru.htm Rick
Re: [Homebrew_PCBs] Re: Printing resist directly on PCBs
2004-03-03 by Stefan Trethan
... I dunno, but i had not the impression that hp bubblejets actually touch the surface. this is rather impossible because of two plastic spacers on the side
Re: [Homebrew_PCBs] Through hole solutions?
2004-03-03 by Stefan Trethan
... Most simple solution: Do not make a design with a connection on the top side. Do everything to avoid this. it IS possible. you can solder the two-rows
Re: [Homebrew_PCBs] looking for a water heater
2004-03-03 by Stefan Trethan
On Wed, 03 Mar 2004 16:30:16 -0000, mumin55555 ... tweak it ;-) more power ... or make it yourself from a lab glass tube and some
Re: [Homebrew_PCBs] Through hole solutions?
2004-03-03 by JanRwl@AOL.COM
In a message dated 3/3/2004 11:06:18 AM Central Standard Time, ap_leapyear@hotmail.com writes: What s the best way to deal with the problem of through holes
Re: [Homebrew_PCBs] OT Acetone (ok Steve?) was:Re: TT experiment
2004-03-03 by Stefan Trethan
... Maybe you could tell her you like your nails more without color, then your headache would be a thing of the past. and maybe you could get a free supply of
Re: looking for a water heater
2004-03-03 by gk_impala
Hello mumin, If you are not too afraid of opening the Aquarium heaters, you can modify them to do higher temperatures. I just modified one to go till 45
Re: Through hole solutions?
2004-03-03 by Phil
heh heh, through hole plating can be done but I ve never tried it. I basically try to avoid through hole connections on the component layer. I use the
Flex circuits
2004-03-03 by Steve
Anyone doing flexible circuit boards? Got this from another list, a free flex circuits newsletter. http://www.flexdude.com/index.html Steve
Re: [Homebrew_PCBs] Re: Printing resist directly on PCBs
2004-03-03 by Alan King
... They do their metal foil well enough, but copper clad may be a bit much. ... Thickness isn t so much the issue as the heat then, and CD s will still be
Re: [Homebrew_PCBs] Through hole solutions?
2004-03-03 by Alan King
... Get away from the right angle connectors if you can. It is much easier to route and mount standard solder cup connectors with the board in between the
Re: Printing resist directly on PCBs
2004-03-03 by Steve
... kicking ... Someone already tried. The heads are only designed to print onto paper so they just don t put out enough heat, the copper sucks heat away to
Re: direct mask via inkjet?
2004-03-03 by Steve
... Sorry, you ll just have to look at the backs. Most of the older ones do not. The 1520 does, as does the 3000, but both are rather expensive wide printers.
Through hole solutions?
2004-03-03 by fyffe555
Hi all, great group. I m a relative newbie using Eagle to make two sided boards. Have build a cnc machine that will does double duty to drill the holes for me
looking for a water heater
2004-03-03 by mumin55555
HALLO! im want to buy a water heater for the etching tank i am building. my problem is: no aquarioum heater thermostat goes more then 34 degrees c, while i
Re: [Homebrew_PCBs] Re: Another TT idea
2004-03-03 by pebo festus
as mentioned, the bubble thermal jet has to heat the ink to form a bubble(vapor bubble) whitch forces the ink out the orfice. lots of stuff dont like the heat
Re: [Homebrew_PCBs] Printing resist directly on PCBs
2004-03-03 by Alan King
... The Alps printers are full page, discontinued but plenty of them kicking around for decal use. I don t have the printer but have plenty of used ribbons so
Re: direct mask via inkjet?
2004-03-03 by Phil
I m heading to RE-PC this week, do you off hand know which, if any, epson models have a straight path? also, I wonder if water based additives will survive the
Re: Direct Inkjet Resist printing
2004-03-03 by Steve
... ; ) Steve
Re: direct mask via inkjet?
2004-03-03 by Steve
... There are brand new printers out that use UV cure ink. They are wide format printers, though. Don t know how they d work in a desktop printer. Anyone work
Printing resist directly on PCBs
2004-03-03 by Steve
... What about those CD printers that use wax thermal ribbons? Of course, you d be limited to PCBs the size and shape of a CD, but that would also mean cases
Re: Direct Inkjet Resist printing
2004-03-03 by Phil
... UR right. sorry bout that. note that I created a new thread - probably while you were typing that up...
direct mask via inkjet?
2004-03-03 by Phil
OK, so I got interested and burned some google cycles... forgive me if this is old stuff that goes nowhere. It seems that inkjet printers use pretty standard
Direct Inkjet Resist printing
2004-03-03 by Steve
Please change the subject line and delete the irrelevant stuff. Or just start a new thread. Searching the archives is difficult enough without hijacked
tinker's emporium?
2004-03-03 by Phil
I m pretty sure I heard about this place here. I ve tried twice to order something from them but gotten zero response. anybody know if they have been
Re: Another TT idea
2004-03-03 by Phil
I m pretty ignorant on inkjet technology. why wont a bubble jet work?
Re: [Homebrew_PCBs] Re: Another TT idea
2004-03-03 by pebo festus
oh yes phil. i am still working on getting an ink jet to print on a pcb. will try every thing from bees wax to beer, dont think a bubble jet(thermal) will
Re: [Homebrew_PCBs] Re: Another TT idea
2004-03-03 by Alan King
... Not only that, but the entire product or all but the battery etc. As in print the plastic case, print the traces, and print the components all as one
Re: TT experiment
2004-03-03 by Phil
not to mention flamable and probably politically incorrect. but then my wife hasn t kick off and she puts polish on in a tiny bathroom, no fan running. Oh,
Re: Another TT idea
2004-03-03 by Phil
I am still interested in an older thread on using inkjet printers to directly print resist. I think the thread just died out but it sure seems to me that if
Re: [Homebrew_PCBs] Re: Another TT idea
2004-03-02 by Jeremy Taylor
pro photo systems use laser plotters with 24,000 dpi., and film you need a darkroom for. most ink based systems that I have seen are for SMD, reflow process. I
Re: [Homebrew_PCBs] Re: TT experiment
2004-03-02 by Kevin Lavigne
So is gasoline, the moral of the story is know what you re handling, evaluate the risk against the benefits and take the proper precautions. Kevin ... From:
Re: [Homebrew_PCBs] Re: Standard inkjet inks for etch resist?
2004-03-02 by Stefan Trethan
... Could you solder on this stuff? ST
Re: Standard inkjet inks for etch resist?
2004-03-02 by mikezcnc
I heard from someone making conductive inks and they don t sell it to public. They want to sell ypou a massive machine that uses that ink, instead. As far as
Re: TT experiment
2004-03-02 by mikezcnc
Phil, acetone scares me. It aromatic, carcinogenic and scary stuff. If I may suggest-stay away from it. Mike ... immediately deadly, ... plastic, other ... a
Re: Another TT idea
2004-03-02 by mikezcnc
I tried this using a pizza stone for higher energy accumulation. Nada. There is something in the massaging and that something being a mix of temp and force
Re: [Homebrew_PCBs] Re: TT experiment
2004-03-02 by Alan King
... No, you shouldn t need one. With magazine paper you may as well have been printing on solid acetate or glass. Toner on glass or acetate and press against
Re: TT experiment
2004-03-02 by Phil
yes. that sounds like the container I have. You use a screw driver to priy it open. Its the same as the other quart containers for solvents in the store. It
Re: [Homebrew_PCBs] Re: TT experiment
2004-03-02 by Alan King
... Well it s what s in most nail polish, so it isn t that immediately deadly, and they are also usually plastic bottles but it s high density plastic, other
Re: [Homebrew_PCBs] Re: TT experiment
2004-03-02 by Stefan Trethan
... Well then i REALLY have to change my supplier ;-) it was more like 10eur / 500ml How is cour can? sheet metal with a plastic snap lid? I was really upset
Re: TT experiment
2004-03-02 by Phil
I get a quart of acetone for like $2.50 from home depot so its a truely minimal expense. I think its even cheaper in gal quantities. I ve used maybe 1/4 of it
Re: [Homebrew_PCBs] Re: TT experiment
2004-03-02 by Stefan Trethan
... If you really think so... a) it is absorbed through the skin (even through some gloves) and poisonous b) it evaporates very quickly c) it attacks plastic
Re: [Homebrew_PCBs] Re: TT experiment
2004-03-02 by Alan King
... Ack, I was expecting to have a bit more discussion on the paper before you got some lol! :) I should have pointed out earlier there are a lot of papers,