Hot stations: Hakko and clones...
2004-05-11 by Phil
I see a lot of hakko 850b clones on ebay for 130-160. does anyone have this station? Is this a reasonably good product? any experieces with it would be
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Re: [Homebrew_PCBs] Re: solder "tweezers" or hot air pencil?
2004-05-11 by Stefan Trethan
... talking only about bipedals here. (I don t think a small hot air pencil is good for ICs? enough volume? i thought i will continue to use the hot air gun
Re: solder "tweezers" or hot air pencil?
2004-05-11 by Phil
Is it really a question of either? each has their appropriate applications. I think the tweezers are good for 1206/805/603 but not so good for soics and
Re: Question About PCB cleaning
2004-05-11 by Dave Mucha
... I use 90%, not the 70% stuff. old toothbrush room temperature. do it soon after soldering, not the next day. it removes easier when fresh. Also, if you
Re: [Homebrew_PCBs] Digest Number 692
2004-05-11 by Stefan Trethan
... THANKS a lot! I have only read part of it but i think it is clear that it is aqueous. Well, now we know epson ink is aqueous, and staedtler ink is. Does
Re: [Homebrew_PCBs] Digest Number 692
2004-05-11 by JRM
... The following may give some insights: Aqueous ink having an extended cap-off time and process of manufacture thereof Patent number: US5961703 Publication
[Homebrew_PCBs] Re: Piezo Print Heads and Oil Based Inks
2004-05-11 by Stefan Trethan
EPSON MSDS:
[Homebrew_PCBs] solder "tweezers" or hot air pencil?
2004-05-11 by Stefan Trethan
What is better for smd (de-)soldering? solder tweezers or hot air pencil? As the last hot air pencil attempt failed i now need to build a better one (with a
Re: [Homebrew_PCBs] Question About PCB cleaning
2004-05-11 by Stefan Trethan
... Only if you are NASTY-soldering!. If you are able to do clean soldering and don t smear the iron around on the board it can be as clean looking as it gets.
Re: Question About PCB cleaning
2004-05-11 by Phil
... wrote: ... I much prefer a Lager but then you really shouldn t drink when cleaning flux off your boards...
Re: [Homebrew_PCBs] Question About PCB cleaning
2004-05-11 by JanRwl@AOL.COM
In a message dated 5/11/2004 1:12:59 AM Central Standard Time, stefan_trethan@gmx.at writes: Now, why should i wash it off? It s simply NASTY-looking!
Re: [Homebrew_PCBs] Question About PCB cleaning
2004-05-11 by Stefan Trethan
... How bad is rosin flux (colophony) really? I have seen some pretty old boards, coated in colophony, and could not see any problems. Of course if you have
Re: [Homebrew_PCBs] Question About PCB cleaning
2004-05-11 by JanRwl@AOL.COM
Joaquim: Use lacquer thinner. (I THINK that is amyl acetate?). Dissolves the rosin flux as readily as water washes off sugar! HOWEVER, it will damage molded
Re: [Homebrew_PCBs] Re: Inkjet printing of PCB's
2004-05-11 by Adam Seychell
I wonder how he processes the film in TOTAL darkness. Anyone know where do you buy red light sensitive film or how much it costs ? I got quotes some time ago
Ink Distribution using a CNC Machine, ie, CNC print Head
2004-05-11 by mikezcnc
What do you thing about using a CNC machine to draw traces of ink resist isolated traces onto a PCB? The benefit over a CNC milling machine would be that such
Re: Inkjet printing of PCB's
2004-05-11 by mikezcnc
Here is Jon Elson s site. He is a fantastic guy and exceptionally talented engineer. http://www.pico-systems.com/photoplot.html Mike ... them ... for ... on
Re: [Homebrew_PCBs] Question About PCB cleaning
2004-05-10 by Leon Heller
... From: Stefan Trethan To: Sent: Monday, May 10, 2004 6:02 PM Subject: Re: [Homebrew_PCBs] Question
Re: Question on using Magazine Paper ?
2004-05-10 by Phil
I started out using magazine paper. It has the nice property that it doesn t leave a lot of residue. However, because of the coatings, excess toner has no
Re: [Homebrew_PCBs] Question About PCB cleaning
2004-05-10 by Stefan Trethan
On Mon, 10 May 2004 17:49:46 +0100, Joaquim Boavida ... I wonder if the first method produces a lot of noxious fumes? ST
Question About PCB cleaning
2004-05-10 by Joaquim Boavida
Hi, all What is the best way to clean a PCB (remove solder flux) ? I heard of 2 methods: 1-isopropyl alcohol bath with a temp. of 40 degrees Celsius.
Re: Question on using Magazine Paper ?
2004-05-10 by Dave Mucha
... user s ... Do ... just ... transfer ... yup. Magazines are printed with ink that has no effect on the toner transfer. Try it. ... The
Re: [Homebrew_PCBs] Re: Piezo Print Heads and Oil Based Inks
2004-05-10 by Stefan Trethan
... yes, but is it sticky when solved / half drying? colophony is also hard when dry. ST
Re: [Homebrew_PCBs] Question on using Magazine Paper ?
2004-05-10 by Stefan Trethan
On Mon, 10 May 2004 16:01:11 -0000, taylorla93292 ... ;-) no, of course the articles will not transfer. the printing ink seems not to transfer. you can use a
Re: [Homebrew_PCBs] Re: Piezo Print Heads and Oil Based Inks
2004-05-10 by Leon Heller
... From: Stefan Trethan To: Sent: Monday, May 10, 2004 4:12 PM Subject: Re: [Homebrew_PCBs] Re:
Question on using Magazine Paper ?
2004-05-10 by taylorla93292
I was looking in the files and database and found that several user s were using Magazine Paper. Where do you get something like that. Do you print right over
Re: [Homebrew_PCBs] Re: Piezo Print Heads and Oil Based Inks
2004-05-10 by Stefan Trethan
... yes, to put on your nails maybe. ( ;-) ) And of course you can smear it on a pcb and then etch it. But this does not mean you can use it in an inkjet. You
Re: [Homebrew_PCBs] Re: Piezo Print Heads and Oil Based Inks
2004-05-10 by Leon Heller
... From: Jobet Claudio To: Sent: Monday, May 10, 2004 3:35 PM Subject: Re: [Homebrew_PCBs] Re:
Re: [Homebrew_PCBs] Re: Piezo Print Heads and Oil Based Inks
2004-05-10 by Stefan Trethan
On Mon, 10 May 2004 22:35:29 +0800, Jobet Claudio ... I m suspicious towards shellac. I admit i have never seen it in solved state, but it somehow is linked to
Re: Making PCBs & Soldering SMDs
2004-05-10 by anthony_v_h
... Thanks! ... No problem :). Anthony
Re: [Homebrew_PCBs] Re: Inkjet printing of PCB's
2004-05-10 by Alexandre Souza
... Hummm...Link? I looked for Jon Elson on Google and got nothing on photoplotting :o( ... Outgoing mail is certified Virus Free. Checked by AVG anti-virus
Re: [Homebrew_PCBs] Re: Piezo Print Heads and Oil Based Inks
2004-05-10 by Jobet Claudio
Hi ! I read from an old issue of radio electronics one of the ways they used shellac in preparing PCB s. They first dyed the stuff so that it would be visible
Re: Piezo Print Heads and Oil Based Inks - DYKEM
2004-05-10 by mikezcnc
Dave, I used that method with scratch and etch consept developed by Jojn Kleinbauer from www.kleinbauer.com I used that paint in a spray can and I noticed that
Re: Inkjet printing of PCB's
2004-05-10 by mikezcnc
photoplotter...or imagesetter...using a UV diode because many of them use a red LED. Jon Elson ha a website where he shows a home made photoplotter and wrote
Re: [Homebrew_PCBs] Re: Piezo Print Heads and Oil Based Inks
2004-05-10 by Stefan Trethan
... most likely .... perhaps ;-) would be a good idea to use some additional means of preventing drying. the staedtler pens are dry proof meaning as long as
Re: Piezo Print Heads and Oil Based Inks
2004-05-10 by ballendo
Hello, Has anyone tried shellac? It is soluble in alcohol, in fact that s what the dykem Dave mentioned is. But I wouldn t use dykem as the pigments may create
Re: Piezo Print Heads and Oil Based Inks
2004-05-10 by gmanca101
... Steve, I found out that Sharpie pens are alcohol-based, however, these pens are susceptable to drying out without the cap. Would the print sponge pad be
Re: [Homebrew_PCBs] Re: Inkjet printing of PCB's
2004-05-10 by Stefan Trethan
... You are talking about a photoplotter . They are commercially available. The probem is you would need to exchage all electronics. I think it is not exactly
Re: Piezo Print Heads and Oil Based Inks
2004-05-10 by Steve
... The Epson 1520 is an old and discontinued Epson. I have one, got it at a thrift store for $26. Still going on eBay for around $200, because it will print
Re: Piezo Print Heads and Oil Based Inks
2004-05-10 by Steve
... If the printhead blew magic smoke, that is going to be due to ink leaking into the electronics. I run a 3rd party pigmented ink in a 1520 for Tshirt
Re: HP Plotters for Vinyl Cutting & software
2004-05-10 by Steve
Your website stretches way to the right in IE 6 and NS 7.1. The menu along the top has huge spaces between the buttons. Anyway... if you read what I asked, it
Re: Tutorial: Soldering SMDs
2004-05-10 by Steve
Thanks, and thanks very much for adding your sites to the Links! Steve, the moderator
Re: [Homebrew_PCBs] Re: Inkjet printing of PCB's
2004-05-10 by DJHaCK
Hi, it s not really related but would it work to replace the printer head with a UV laser and print on a uv-sensitive pcb , a bit like how laser printer work
Re: Piezo Print Heads and Oil Based Inks
2004-05-10 by mikezcnc
Quite possible. I am using this opportunity to warn averybody against buying an Epson 1520. It is a royal junk printer that has problems printing on paper.
Re: [Homebrew_PCBs] Re: Inkjet printing of PCB's
2004-05-09 by Stefan Trethan
On Sun, 09 May 2004 17:26:17 -0000, mycroft2152 ... the flatbed conversion will never be a problem, even if the printer curls the paper
Re: [Homebrew_PCBs] Re: Piezo Print Heads and Oil Based Inks
2004-05-09 by mpdickens
... The makers of inks will probably give you the specifications of thier various inks if you ask for them: They want to sell ink and the competition is
Re: Inkjet printing of PCB's
2004-05-09 by mycroft2152
Hi Stefan, Thanks for the info. I ve got a few old cartridges I can experiment with. The Lexmark Z52 converted very easily to straight through printing. A few
Re: [Homebrew_PCBs] Inkjet printing of PCB's
2004-05-09 by Stefan Trethan
On Sun, 09 May 2004 16:20:28 -0000, mycroft2152 ... It s a thermal, i won t recommend it. ... You can t use acrylic, and most likely
Inkjet printing of PCB's
2004-05-09 by mycroft2152
I ve been following this thread for a while now and it has intrigued me enough to sacrifice a Lexmark Z52 printer to convert it to a straight through printer.
Re: Piezo Print Heads and Oil Based Inks - DYKEM
2004-05-09 by Dave Mucha
... ink ... Hi Genaro, machinests use a metal blue paint for marking steel. Dykem is the brand name and it cost less than $10.00 per 0.118 liters. I was going
Re: [Homebrew_PCBs] Re: Piezo Print Heads and Oil Based Inks
2004-05-09 by Stefan Trethan
Inkjets that used oil-based inks first began to appear on the scene in 1997 as printer manufacturers began to seek ways to boost throughput speeds for inkjet