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2017-10-07 by Tony Smith
Oh, I knew SLT meant the modules, I guess I could have been clearer. The idea of having vertical & horizontal traces on opposite sides of the board was an
2017-10-07 by Harvey Altstadter
Ton, The SLT refers to the silver colored modules that are on the boards. These were thick film hybrid circuits with aluminum covers. The modules were
2017-10-07 by Tony Smith
Dunno how the boards are made, but that’s called SLT - Solid Logic Technology. I think the idea behind the boards was traces are vertical in one direction,
2017-10-07 by Stefan Trethan
This should be well within the capabilities of ordinary photo process, even back then. The traces do not disappear, they go into the pads just as you would
2017-10-07 by Rob
Does anyone know the process that IBM used to make this PCB http://www.learnmorsecode.com/3380/index.html 30 years ago I was a computer programmer on an IBM
2017-10-01 by Homebrew_PCBs@yahoogroups.com
Monthly Reminder for Homebrew_PCBs list, please read: Messages and threads: Please do NOT start a new thread by replying to another message. Even if you change
2017-09-26 by Chris Wilson
Hello PCB ers Thanks for the replies. I went to a fairy local large printer refurb place yesterday and they ran my pdf ile through a few different laser
2017-09-26 by dyarnes
For several years now I have used a couple of Brother laser printers, and am relatively very happy with the performance of both. One I use here at home, and
2017-09-25 by Lorenzo Simoncello
At work (office) we have 3 hp2015dn printer for years (4 or 5 or more years, I don t remember). Used daily. They have always worked well...also with not
2017-09-25 by Harvey Altstadter
Kevin, You were one of the lucky ones. I think that if it has worked this long, your board doesn t have the problem. HP was very secretive about this problem,
2017-09-25 by Kevin Byrne
Never heard that one before. Mine bought locally worked good from the beginning till today 3 years later.
2017-09-24 by Harvey Altstadter
I would be very wary of an HP2015 on ebay. I have one of them, and I can tell you that it is one of the worst quality printers ever to reach the market. When
2017-09-24 by kbyrne10@...
A HP LaserJet P2015dn bought on E-Bay might be just what you want. Use only genuine HP ink also for best results. I do.
2017-09-24 by kamenl@...
Not sure what inexpensive is to you. I am using a LaserJet 2100 and it s extremely good at reproducing blacks on drawing paper. Followed by a quick density
2017-09-23 by Chris Wilson
23 September 2017 My venerable HP LaserJet 4000N has packed up today, probably not worth repairing dues to age. before i go out and buy another cheap B&W used
2017-09-22 by Jan Kok
Or get an open box unit for $26. https://www.newegg.com/Product/Product.aspx?Item=N82E16828731010R&cm_re=PB-211-_-28-731-010R-_-Product On Wed, Sep 20, 2017 at
2017-09-21 by Mark Lerman
You could look at some other similar printers. These are generally the small ones where the actual printing take place as the paper goes up the back of the
2017-09-21 by Mark Lerman
Yes, it is. At 10:53 AM 9/20/2017, you wrote: Thanks Mark! Great work! In Italy the Pantum 2502W is difficult to find while the The Lexmark E260 is more
2017-09-21 by Rob
I found some shipping quotes ranging from $100 to $125 On 09/21/2017 12:02 AM, Cecil Bayona cecil.bayona@k5nwa.com
2017-09-21 by Cecil Bayona
The shipping will be more than the cost of the printer. ... -- Cecil - k5nwa http://thepartsplace.k5nwa.com/
2017-09-21 by Rob
Is there a reason to prohibit this shipping to Australia? Is there a reason to prohibit this shipping to Italy? How much is the cost to ship it from my house
2017-09-20 by Bill Maxwell
but only ships to the lower 48 states of the USA, it seems. Certainly Newegg won t ship this printer to Australia - I have tried. ... but only ships to the
2017-09-20 by Rob
The Pantum 2502W is $50 on EBAY. http://www.ebay.com/itm/301380776955 On 09/20/2017 10:53 AM, Lorenzo Simoncello lorenzo.simoncello@gmail.com
2017-09-20 by Lorenzo Simoncello
Thanks Mark! Great work! In Italy the Pantum 2502W is difficult to find while the The Lexmark E260 is more common. Is this article still present ?
2017-09-20 by Donald H Locker
It depends on which Windows OS you have and what the specific pdf format is. You ll have to do a bit of experimenting for the answer to the latter question.
2017-09-20 by Mark Lerman
Here s a somewhat different approach, printing resist directly on copper using a laser printer
2017-09-20 by Chris Wilson
Hello Donald, Thanks for the link, I have downloaded this version, but may I please just check this is the one to go for on Win 7 pro 64 bit, before i
2017-09-20 by Donald H Locker
Imagemagick is available for Windows, no problem. for more information. HTH, Donald.
2017-09-20 by Chris Wilson
Hello James, Thanks for sharing the info James, Windows only here unless they do a MS version? Thank you for the help, hopefully now I am set up to receive
2017-09-20 by Lorenzo Simoncello
Many thanks Steve! ok for the specific Inkjet PCB Yahoogroup ;) Lorenzo IW3HER
2017-09-20 by James
... don t mind sharing this? My attempts have left images with poor resolution (jagged edges when blown to a larger scale). I used Imagemagick command line
2017-09-20 by craigl2@...
In my opinion the best way to obtain a truly black image using a laser printed image is to run your laser printed transparency through a laminator with a piece
2017-09-19 by Rob
what looks perfect? WHO is the YOUR PDF S is it that you are talking about? Please include a bit more of the original content when you reply to a message so we
2017-09-19 by alienrelics@...
I have a couple of R200 printers that take the CD tray, I found this ID tray.
2017-09-19 by alienrelics@...
A lot of the information on direct inkjet printing has been gathered from here and the Inkjet PCB Yahoogroup (just approved your membership there, too) by
2017-09-19 by Lorenzo Simoncello
Hello all, I was just joined to this interesting group, thanks to the moderator. I have recently resumed the electronic hobby activity ... designed a new PCB
2017-09-19 by chris@...
Wonderful, that looks perfect. Not saying this is the cause of my problems, but at least I now know the images are truly black. I have now managed to get a
2017-09-19 by Rob
I don t claim to be a professional and have the correct solution here BUT I DO HAVE A SOLUTION that works for me. STEP 1: ANY time I have a PDF file as a
2017-09-18 by Harvey Altstadter
Chris, The pdfs look fine on the screen, but this is not the issue. We had a discussion here some months ago about the density of laser printed artwork. It
2017-09-18 by James
Black and White converted PDF, sizes is blown-out to 17MB because probably rasterisation or something...
2017-09-18 by K5ESS
Chris, Yes the black traces show a color of RGB = 31,30.33 when they should be 0,0,0 so they are not true black. I’ll see if I can correct that for you with
2017-09-17 by chris@...
I had a kind guy in Germany offer to convert photos of three existing mint, populated PCB boards that are the same as three others in an obsolete power supply
2017-09-16 by chris@...
I had a kind guy in Germany offer to convert photos of three existing mint, populated PCB boards that are the same as three others in an obsolete power supply
2017-09-01 by Homebrew_PCBs@yahoogroups.com
Monthly Reminder for Homebrew_PCBs list, please read: Messages and threads: Please do NOT start a new thread by replying to another message. Even if you change
2017-08-27 by Harvey Altstadter
Steve, There are two different types of temperature indicating paints. The type we have been discussing is part of a class of liquid crystal materials that
2017-08-27 by Technotronic~Dimensions
Interesting. So there is some kind of paint that I guess u can put on something, and its color reflects the temperature of what its painted on? Steve Hearns
2017-08-27 by Dennis Shelgren
Long ago I worked at Intel in package, noise, and thermal . We had a bunch of companies demo their individual products for finding hot spots, shorts, etc. One
2017-08-27 by keith printy
I used to have one. I remember 2 digits showing but if you knew how you could accurately read it.as I recall it was green when it was exactly that temperature
2017-08-27 by Harvey Altstadter
Steve, This is Liquid Crystal Thermography. Find a detailed paper here: www.srmuniv.ac.in/sites/default/files/files/SpecialimagingTech.pdf or just Google
2017-08-27 by roylowenthal@...
Probably a liquid crystal thermometer - they were sort of popular a few years ago, I haven t seen one in a while. From what I remember, their main problem was