The state of the homebrew
2004-02-26 by Ronald Viers
I have just been a lurker in this group trying to get some idea of where things are. I have been out of prototyping and interfacing for about twenty years.
Messages
Browse messages
Page 622 of 707 · 35337 messages matched
Re: [Homebrew_PCBs] Laser printing - experiment done
2004-02-26 by Don Perry
... [Non-text portions of this message have been removed]
Re: [Homebrew_PCBs] running copper sheets through laser printer
2004-02-26 by Alan King
... Hmm maybe that is why the ozone smell and feel on some older laser printers, no discharge wire. ... Since you don t know how much image you have exactly,
Re: [Homebrew_PCBs] Laser printing - experiment done
2004-02-26 by Stefan Trethan
... howstuffworks was the first i looked... ... the wires are not touching the paper, they are in a cage, only charging the paper by influence or how you
Re: [Homebrew_PCBs] Laser printing - experiment done
2004-02-26 by Alan King
... After reading through the HowStuffWorks, the copper/aluminum being conductive is the problem. The paper isn t oppositely charged from the drum. The toner
Re: [Homebrew_PCBs] running copper sheets through laser printer
2004-02-26 by Stefan Trethan
... I think very along this lines. however in one of the recent links provided there is written about this: if the detach wire would have a dc voltage it would
Re: [Homebrew_PCBs] running copper sheets through laser printer
2004-02-26 by Alan King
... The drum coating is a high insulator to hold the charge in place and then have the laser only discharge parts of it. Should be a much better insulator
A better laser printer explanation
2004-02-26 by Mike Nash
Here is a better explanation http://www.printercartridgesink.com/lp_pc_operation.html Mike Nash
Re: [Homebrew_PCBs] running copper sheets through laser printer
2004-02-26 by Mike Nash
This is a decent explanation of how a laser printer works: http://home.att.net/~t.f.cook/tc11.htm I also seem to remember that in the early days at least,
Re: running copper sheets through laser printer
2004-02-26 by Dave Mucha
... negative ... the ... typically ... Figure that one out and my wife will remember you forever ! Dave
RE: [Homebrew_PCBs] running copper sheets through laser printer
2004-02-26 by Jan Kok
... paper ... because ... Black magic :-) I understand it took many years of development to get from idea to working Xerox copier. For that matter, how does
Re: [Homebrew_PCBs] Laser printing - comments and a experiment at the end
2004-02-26 by Alan King
... Well just thought the driver will apply some to the LRK as well eventually ... Haven t really looked it up but many things are oxidizers. Don t remember
Re: [Homebrew_PCBs] Laser printing - experiment done
2004-02-26 by Stefan Trethan
I did execute the described experiment. i taped a stripe of aluminium foil on one half ot the page. then i printed a page with X all over. cut the power as it
Re: [Homebrew_PCBs] Laser printing - comments and a experiment at the end
2004-02-26 by Stefan Trethan
... Using the same post in multiple groups, are you? (not this one). clever.... How do i make a copper oxyde layer (not that i say i will do it but just in
Homemade CNC
2004-02-26 by Alan King
http://home.nc.rr.com/alan69/CNC/ This is some of the code, and an intermediate Eagle layout for my newer driver board to show the driver sections. Note that
Re: [Homebrew_PCBs] Laser printing Aluminium Foil - It works !!???!!??!
2004-02-26 by Alan King
... Still, that is impressively good for just a simple straight shot at it. Solid prints should be well within striking distance with a little work from that
Re: [Homebrew_PCBs] shelf life of ammonium persulphate
2004-02-26 by Rick C.
Once it is mixed in water, the clock is running. I have found that if I mixed more than I needed and etched a small board, I could come back in a week or so
Re: [Homebrew_PCBs] running copper sheets through laser printer
2004-02-26 by Stefan Trethan
... I can only speak for my IIID and with that printer the top/pritned side is grounded 1 cm in front of the corona wire. the paper passes between a metal
Re: [Homebrew_PCBs] shelf life of ammonium persulphate
2004-02-26 by Leon Heller
... From: Phil To: Sent: Thursday, February 26, 2004 3:47 PM Subject: [Homebrew_PCBs] shelf life of
Re: [Homebrew_PCBs] Re: running copper sheets through laser printer
2004-02-26 by Stefan Trethan
... No, i think it is more like on which spot should i place the copper . I do that regularly with the photo paper for toner transfer. i print on paper, check
shelf life of ammonium persulphate
2004-02-26 by Phil
I ve read the archives and googled. I saw several references to shelf life as a negative of AP. Does anyone know what the shelf life is? I am assuming that
Re: running copper sheets through laser printer
2004-02-26 by Phil
this sounds more like using the fuser in the LP to do the toner transfer. ... There is ... obtained ... so. The ... paper, ... printed ... through ... sheet.
running copper sheets through laser printer
2004-02-26 by Jan Kok
I recall seeing an article about printing directly onto thin copper sheets using ordinary laser printers. This was in some popular (British? or American)
Seno Positiv 100 resist applicator
2004-02-26 by Leon Heller
I just tried the Seno Positiv 100 resist applicator on a test piece of PCB material. It s a bit like those shoe cleaning waxes in a container with an
Re: [Homebrew_PCBs] New file uploaded to Homebrew_PCBs
2004-02-26 by Stefan Trethan
Nice Image. It seems there is some shorting out the HV to be seen. which end went through first? the section with the crossing lines is interesting. suddenly
Re: [Homebrew_PCBs] Re: 50 bits for $10.00
2004-02-26 by Stefan Trethan
... I think they use them for vias, and those only in one layer vias. (sorry i forgot the name) I can buy them for about eur20/100 drills at ebay. but there
Re: My results with a laminator
2004-02-26 by joshdewinter
... compound ... the ... that ... Thanks a lot for the info -Josh
Re: 50 bits for $10.00
2004-02-26 by dkesterline
... I buy mine from HF too, but I perfer to buy the 20 pack ($4.99 IIRC) in person at my local store. Since they re in a (mostly) clear package I can look
Re: [Homebrew_PCBs] Laser printing Aluminium Foil - It works !!???!!??!
2004-02-26 by Stefan Trethan
... No, the attachment doesn t come through. ST
Re: 50 bits for $10.00
2004-02-26 by Dave Mucha
... itemnumber=34640 ... hate ... Hi All, Just updating the old post. I just received a box from HarborFreight and found 6 broken drill bits. One, 1/8 drill
New file uploaded to Homebrew_PCBs
2004-02-26 by Homebrew_PCBs@yahoogroups.com
Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the Homebrew_PCBs group. File :
Re: [Homebrew_PCBs] Laser printing Aluminium Foil - It works !!???!!??!
2004-02-26 by Brian Pitt
if the attachment comes thru its of a laser printing onto copper foil about 1/2 of it got toner to stick and a few spots the toner stuck then peeled back off
Sprint Layout V4
2004-02-26 by DHC
Hi Group, Has anyone had experience (good or otherwise) with Sprint Layout V4 at http://www.abacom-online.de/uk/html/demoversionen.html . Only require a pcb
test - please ignore
2004-02-25 by Markus Zingg
Please accept my apologies. It was so quiet here lately (for me?) that I m not sure if my ISP blocks this list in his spam filters or such... Markus
Re: [Homebrew_PCBs] Re: Desoldering Problems for a transistor
2004-02-25 by JanRwl@AOL.COM
Why hasn t some guru mentioned solder wick on this thread? With reasonable digital (that s FINGERS for you orthographically-challenged) dexterity, one can
Re: [Homebrew_PCBs] Laser printing Aluminium Foil - It works !!???!!??!
2004-02-25 by Alan King
... This is not just to try for isolation but also adhesion etc. It s simple to try and there are enough other variables it s worth trying, any changes may
Re: [Homebrew_PCBs] Distance Paper/Drum in a Laser
2004-02-25 by Leon Heller
... From: Stefan Trethan To: Sent: Wednesday, February 25, 2004 6:49 PM Subject: [Homebrew_PCBs]
Re: Desoldering Problems for a transistor
2004-02-25 by sirish4jobs
Thanks a lot everyone for ur suggestions...i really appreciate it...i looked around for sockets, but i find them to b really expensive and probably my prof
[Homebrew_PCBs] Distance Paper/Drum in a Laser
2004-02-25 by Stefan Trethan
I just tried to figure out if the paper needs to be touching the drum. I cut 4 stripes of 0,5mm cardboard. i glued them 2cm apart, parallel, along the paper, a
Re: [Homebrew_PCBs] Laser printing Aluminium Foil - It works !!???!!??!
2004-02-25 by Stefan Trethan
... i do really think there is no need to isolate the surface. ... I would rather not use a fuser at all but a infrared heater lamp. it is simple to set up if
Re: [Homebrew_PCBs] Laser printing Aluminium Foil - It works !!???!!??!
2004-02-25 by Alan King
... Yes I was thinking more the direct draw method than what s going on in a laser printer. There are printable foil sheets etc, but I d assume they re coated
Re: My results with a laminator
2004-02-25 by Steve
... variety of ... liquid ... Are you speaking from experience? Casting RTV silicone is not the same as sealant RTV silicone. I ve had a couple of people tell
RE: [Homebrew_PCBs] Re: My results with a laminator
2004-02-25 by Anthony Toft
... RTV is available from your local friendly autoparts store in a variety of formulations (my store has it made by Locktite). It might be called liquid
Re: [Homebrew_PCBs] Re: Desoldering Problems for a transistor
2004-02-25 by Ron Amundson
... Thats a great idea.I m so used to using pogo s I had never thought of a DIY spring right on the microstrip. This is very good. Ron
Re: [Homebrew_PCBs] Laser printer - experts please explain
2004-02-25 by Stefan Trethan
... I almost did it with a pcb too. then i thought maybe it harms the fuser, and i only have on replacement, and i really like the IIID. ... I think the copper
Re: [Homebrew_PCBs] Re: Desoldering Problems for a transistor
2004-02-25 by Stefan Trethan
... I have worked with such a unit in the past, it is great. it was all (pump and all) contained in a gun like unit. it is way better than the piston type
Re: [Homebrew_PCBs] Re: Desoldering Problems for a transistor
2004-02-25 by Russell Shaw
... Solder some thin beryllium copper strips onto the microstrip so that the springness holds down the flat leads of the device onto the track. There s little
Re: [Homebrew_PCBs] Re: Desoldering Problems for a transistor
2004-02-25 by Jeremy Taylor
I ve had good luck using a desoldering - powered suction type iron. It will completely suck off all the solder on each leg individually. I use my iron set on
Re: [Homebrew_PCBs] Laser printer - experts please explain
2004-02-25 by Jeremy Taylor
Dude, all this talk inspired me to shove a pcb thru the 4019 ... It works. err - well mostly I don t think it matters if it shorts to ground, The whole corona
Re: [Homebrew_PCBs] Re: Desoldering Problems for a transistor
2004-02-25 by Stefan Trethan
... Well, then the best will be to test it in real life conditions . -- soldering. make a few boards to allow for changing them after a while. ST