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2005-12-08 by JanRwl@AOL.COM
In a message dated 12/8/2005 4:30:56 P.M. Central Standard Time, lcdpublishing@yahoo.com writes: Is there something that I am not seeing in that process that
2005-12-08 by Stefan Trethan
Mechanically milling PCBs is inferior. full stop. It s done by people who have a unreasonable aversion to acids (and no fear of high-speed debris projectiles
2005-12-08 by crankorgan
I like mechanical Etching because I don t have to handle acid. The acid method produces finer traces than mechanical etching can so that is a must for some
2005-12-08 by lcdpublishing
Okay, as you all know I am far from experienced with PCB making. I have gone through a variety of trials with the toner transfer method and can appreciate it.
2005-12-08 by Stefan Trethan
... Ah, glad to hear i m not seeing ghosts then ;-). It s the same here with the fused in toner. About the white residue, i also thought it would go black with
2005-12-08 by soffee83
I just looked up my email here. The solid beige stuff I bought is supposedly CEM1 @.047. The double-sided I was just trying to print on is the FR4 and it s
2005-12-08 by virgil antonov
Hi, My question is: Did anyone knows about using Plotters like HP 7474A or alike to make decent PCB s? Thanks, Virgil
2005-12-08 by PPC
I am afraid my ISP is having problem with Yahoo in my uploading. Will try to upload the file again tomorrow as it is getting late in my side of the world.
2005-12-08 by Dave Hylands
Hi Bob, ... I found the folder, but the image shows up as broken . -- Dave Hylands Vancouver, BC, Canada http://www.DaveHylands.com/
2005-12-08 by PPC
The 2 KW UV plate exposure machine is a commercial type used in offset plate exposure. The lamp is a Philip halogen lamp enclosed in a simple reflector.
2005-12-08 by Russell Shaw
... ... Impressive exposure time of 5 seconds. Stronger than direct sunlight. How big is your 2kW UV light box? How much distance is there between the light
2005-12-08 by PPC
After lurking and learning quite a lot from many of you here, allow me to narrate my personal experience on how I make my very first PCB. 1) After making
2005-12-08 by Stefan Trethan
On Thu, 08 Dec 2005 13:54:27 +0100, lcdpublishing ... I tried sanding it, but it still would not adhere as well as on the other material. ST
2005-12-08 by lcdpublishing
Stefan, I believe that horribly stuff I have been having all the trouble with is FR4 material - this is the new stuff I got that wouldn t accept the toner
2005-12-08 by Stefan Trethan
... The really whitish board stuff is probably FR1, with only one layer of glass and phenolic paper in between. I ve got some of this too. I think our not so
2005-12-08 by soffee83
PS- I just noticed that I don t see any mention of our usual slick paper or anything in that acetone post. I guess it s just regular paper. If I can dig up any
2005-12-08 by soffee83
Hey again Stefan and all, I think I do have that same color and type of board as you in some single sided stuff I was using. I ve got some cheap single sided
2005-12-08 by Stefan Trethan
... I reckon it is actually a scan. I did it ages ago and i don t remember. ... Usually the freshly etched epoxy takes toner very well, if it reaches it. So
2005-12-08 by soffee83
... I was stuck here and didn t make it out last night. I ve got a grocery list with me tonight and should be coming home with some. If time allows, I ll try
2005-12-08 by matt clement
I just got done trying this and it didnt work well at all. I taped the edges of the foil to regular paper and ran it through the laser printer. I printed on
2005-12-07 by soffee83
Stefan, Thanks again. Man, you take a damn good picture! That transfer looks about a hundred times better than mine did too. On my double-sided boards, I m
2005-12-07 by Stefan Trethan
It is a bit of an issue, but it does work with elastic pressure. Here you see one of the first boards i made with legend on copper, i believe the first or
2005-12-07 by soffee83
Stefan, Thanks! That s sort of what I figured when I tried it, but I use the iron here, so I m not sure I could do the exact same thing. I thought that maybe a
2005-12-07 by Stefan Trethan
It helps to have a elastic material pressing the paper into the valleys between traces. I run it transfer side down through the fuser so the silicone rubber
2005-12-07 by willybbca
Hi Guys Just a quick note to let you know that I have a New Wavemaster Etching machine on Ebay. Item #6020191276 It has dual Heaters & two Pumps to circulate
2005-12-07 by grantfair2001
Try this guy - does lots of ham and hobby pcb s. http://www.farcircuits.net/ Grant
2005-12-07 by Mycroft2152
Hi, I attached a 4 x 6 piece of foil to regualr paper with a couple of laser compatible labels. I attached just the leading edge.to avoid wrilkes. The same
2005-12-07 by Alan King
... Conformal coating is the stuff that s used for commercial protection of PCBs. But $15-25 per can, so a lot more than regular paint. Still smells like
2005-12-07 by soffee83
Mike- Thanks a lot! I think they were only six or seven bucks a roll, so I can probably just get both. I d actually be ordering from Digi-Key when I get enough
2005-12-07 by soffee83
I didn t figure this would belong in the recent tinning threads- I don t care for the look I ve gotten on my past tinning attempts and it tended to muddy up
2005-12-07 by Mike Young
... From: soffee83 ... The white seems much more powdery, for lack of a more vividly descriptive term, than the green. I didn t get the
2005-12-07 by soffee83
Sorry to spit out this message flood , but I m having more questions than answers lately. :( I tried my first PCB labeling the other night with my usual toner
2005-12-06 by soffee83
Hi, I was thinking about getting a roll of that Pulsar TRF paper soon and was wondering about a couple things if anyone here is familiar with it. I mainly
2005-12-06 by soffee83
Myc-- Thanks! Guess I m off to the grocery store tonight. ;) Only thing I haven t liked about the Staples paper is getting the paper residue off. This foil
2005-12-06 by Alan King
... That s quite often the case, sometimes it s nice to use the popular choice! :) ... Yep they are better now but still fairly lame, fortunately Google is
2005-12-06 by Alan King
... Got the method, the write up is pretty good too. But most things I ve seen on it describe it as a little more problematic than the write up, so I hope you
2005-12-06 by Alan King
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=7565135735&rd=1&sspagename=STRK%3AMEWN%3AIT&rd=1 Have a board off here now, will post a pic or two when it
2005-12-06 by Stefan Trethan
That s very interesting news. I see a problem with alignment of two-sided there, but i reckon some holes solve that nicely. I m not sure about the charge
2005-12-06 by mycroft2152
In a continuing search for a better and cheaper toner transfer method, I ve tried a number of different papers. Photo papers, magazine pages, inkjet papers,
2005-12-04 by Mike Young
So it was time finally to teach Eagle to export the images I want. It turned out there is no need. Someone else had already perceived my wants, and wrote just
2005-12-04 by scratch_6057
I just came across this on the Parallax web site and thought it may be of interest to those who are experimenting with the Print Directly To Copper (Circuit
2005-12-04 by crankorgan
Hi, The 60 degree bits mill wider the deeper you let them mill. I use the Think&Tinker 60 degree copy of the T-Tech. Each bit can mill a 4 X 6 board with
2005-12-04 by Whiskerstherat
Hello Pete: I have not used the T-Tech machine, but I do have some experience with the LPKF milling machine. With the software that that comes with that
2005-12-04 by cristian
... No it s not necessary, but IsoPro has to mill each border of a trace. It not mill the isolation as a channel width, but as isolation width. If the
2005-12-03 by John Craddock
How about putting this information in the database!
2005-12-03 by andrew566020
Hi, If it s any help, I have used the Samsung 2250 (1200*1200 dpi) with great success. Regards, Andy.
2005-12-03 by pebo festus
... to ... surface ... found ... needle ... solder ... you ... as far as tinnig goes read message 10103, should work for you. mebo
2005-12-03 by PPC
A color separation company or an offset printing company doing their own film or flat will also have the same kind of used fixer solution. ... From:
2005-12-03 by Stefan Trethan
It s good that you amazed by it, but a lot of boards are laid out in that way with the sides labeled. The optos are probably feedback for the SMPS, one might
2005-12-03 by bob_ledoux
I only build 3-4 small PC boards a month. So shelf life is important to me. If I mix up tinnit solution with distilled water and keep it in a tightly sealed