Re: Printing pcb patterns negative or positive
2003-12-15 by grantfair2001
In message 352, list member Tom stated: BTW, the screen printing emulsions are negative acting so you will need positive films emulsion side up. So I guess
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New file uploaded to Homebrew_PCBs
2003-12-14 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 :
Crazy Question
2003-12-14 by Glenjoy
I coated the copper layer of my PCB with Acrylic Lacquer, will it now be free from discoloration and corrosion? Why the heck I can t resolder it anymore.
Re: [Homebrew_PCBs] Printing pcb patterns negative or positive
2003-12-14 by Alan King
... As someone already pointed out, you have your terminology reversed by trying to label it what you want it to do. On screen is a positive, what you re
Re: Printing pcb patterns negative or positive
2003-12-14 by don_kinzer
... Another idea: The ThumbsPlus image manipulation program can invert colors. I assume that others, e.g. PhotoShop, can as well. If the Ivex program allows
Re: [Homebrew_PCBs] PCB drill
2003-12-13 by Alan King
... that mpeg video??? Look up propeller clock on the net. Bob Blick gets the credit for putting it on a motor which is brilliant, but a friend and I were
Re: Printing pcb patterns negative or positive
2003-12-13 by Ben H. Lanmon
... PCBs ... pattern ... software ... Maybe I am wrong but I think you have positive and negative backwards? I too use Ivex, to print to transparency for a
Re: [Homebrew_PCBs] Printing pcb patterns negative or positive
2003-12-13 by Stefan Trethan
On Sat, 13 Dec 2003 07:21:41 -0000, grantfair2001 ... print to post script and invert the ps image, then print it. st
Printing pcb patterns negative or positive
2003-12-13 by grantfair2001
I use a Panasonic KX-P6500 laser printer for making prototype boards with Dyna Art paper, which seems to work fairly well for me. However I am thinking of
Re: [Homebrew_PCBs] Printing pcb patterns negative or positive
2003-12-13 by Ron Amundson
... From: grantfair2001 To: Homebrew_PCBs@yahoogroups.com Sent: Saturday, December 13, 2003 2:21 AM Subject: [Homebrew_PCBs] Printing pcb patterns negative or
Re: [Homebrew_PCBs] PCB drill
2003-12-12 by Ted Huntington
That looks impressive. I guess those are bipolar motors that you attached to gear reducer heads and control with a serial/parallel port? That is
New file uploaded to Homebrew_PCBs
2003-12-12 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] PCB drill
2003-12-12 by Alexandre Guimarães
Hi, Alan ... It is a very interesting machine... Do you have more pictures or drawnings of it ??? Best regards, Alexandre Guimaraes
Re: [Homebrew_PCBs] PCB drill
2003-12-12 by Markus Zingg
... Nice drill of yours! I haven t followed the group too closely lately due to much work, so please bear with me but I really wonder. What the heck is the
PCB drill
2003-12-12 by Alan King
Put up some other stuff anyway, so here s my homemade PCB CNC drill (I etch the boards not mill though). All bolt together, mostly metal, all cheap parts from
New member
2003-12-11 by JChavez@soboce.com
Hi everybody, Probably it was already explained so I hope do not get angry. Can anybody explain how to sensitivize a copper board? What are the reactants you
Milling PCB's - how to line up both sides?
2003-12-11 by kg4wfx
Hi all, I m trying to figure something out I know anyone who has been milling for a while probably already knows.... How do you line up the two sides of a
Re: [Homebrew_PCBs] Re: Toner Transfer Wow What a Difference! (? Alan King)
2003-12-11 by Alan King
... Won t matter, just print nothing to get the extra heat bonding. It also seems to make the coating less sticky so the unprinted coating sticks less and you
Re: Toner Transfer Wow What a Difference! (? Alan King)
2003-12-11 by Moore
... Which side of the paper? i.e. run same as the way originally printed?
Re: [Homebrew_PCBs] Online chemical compatibility database
2003-12-09 by Stefan Trethan
On Tue, 9 Dec 2003 11:34:58 -0800 (PST), mpdickens ... That one is great! Some very unexpected results i got while trying.. Also the unit
Online chemical compatibility database
2003-12-09 by mpdickens
Here is a link to the chemical compatibility database at Cole-Palmer: http://www.coleparmer.com/techinfo/chemcomp.asp The database contains most common
Re: Sign me out - not funny
2003-12-09 by Steve
For people like that, (3 unsubscribe requests to the list, two sent -after- I sent unsub instructions) nothing will help. I resent having to pick up Mr Boy
Re: [Homebrew_PCBs] Sign me out - not funny
2003-12-09 by Stefan Trethan
Steve, I think you have to make the monthly reminder a weekly one ;-) and put more emphasis on signing out... IF YOU GUYS ARE TO LAZY TO USE THE WEB INTERFACE
Re: [Homebrew_PCBs] Re: Toner Transfer Wow What a Difference!
2003-12-09 by Alan King
... You do not need the coating to desolve to get results. Send the page back through the printer an extra time or two, printing nothing. Extra fusing gets
Re: [Homebrew_PCBs] Toner Transfer - Glossy Paper
2003-12-09 by Alan King
... Nope, your rough edges are much more likely to be only partial toner bonding. First things first, 320 grit sandpaper is a bit much. A plastic fiber type
Toner Transfer - Glossy Paper
2003-12-08 by bsjoelund
Hi folks, I have been testing Epson S041126 Photo Quality Glossy Paper and it seems to work OK. Printer is Lexmark E220, High Contrast setting. I use 320 grit
Re: Toner Transfer Wow What a Difference! Pics
2003-12-08 by Steve
... Very nice! Looking forward to the finished website. Steve
Re: Toner Transfer Wow What a Difference! Pics
2003-12-08 by Moore
Pre etched picture: http://webpages.charter.net/pminmo/boardpreetch.jpg Post Etched picture: http://webpages.charter.net/pminmo/etchedboard.jpg I had a couple
Lists I own/moderate
2003-12-06 by Steve Greenfield
Here are some of the lists I own or moderate that some here might be interested in. I am fairly specific about staying On Topic, although some of the lists
Re: Toner Transfer Wow What a Difference!
2003-12-06 by Steve
Yes, let us know! I had barely useable results using inkjet transparency in a Lexmark 4029 600dpi Postscript laser. My theory was that the inkjet coating would
Re: [Homebrew_PCBs] Toner Transfer Wow What a Difference!
2003-12-06 by Tony Harris
So which printer did you go with that is giving the better results? Also, you mentioned that it is in soak, I for one will be interested how it worked after
Toner Transfer Wow What a Difference!
2003-12-06 by Moore
What a difference a printer makes. I ve been doing a few boards and learning the process, was getting fairly good results but needed to do more touchup with a
Re: questions about Hightechsystems1's homemade PCB router
2003-12-06 by Moore
... like DC ... Most likely Stepper motors, there is a great deal of software and hardware available to driver steppers from the standard PC parallel port for
Help Needed
2003-12-06 by Glenjoy
Can someone from US help me purchase Silver Cool-AMP powder Coating. It is not available here in PH, I can pay you the equivalent price and for the shipping or
Re: Mutoh F-920 pencil plotter
2003-12-05 by Steve
I think this would be more On Topic on the signmaker list. See my latest answer on the HTFDP list. Steve
questions about Hightechsystems1's homemade PCB router
2003-12-05 by Ted Huntington
The homemade PCB router Hightechsystems1 made is impressive. I have 3 questions: 1) Are those motors DC gear motors or stepper motors? They look like DC Gear
Mutoh F-920 pencil plotter
2003-12-05 by doug
I have a OLD Mutoh F-920 plotter ... I know Mutoh DO NOT support this model any more. But I was wondering/hoping if anyone might have an Old Manual I
Re: Toner Transfer questions...
2003-12-05 by Steve
... It makes sense that laser labels will work in a... laser printer! ; ) Steve
Re: [Homebrew_PCBs] Re: Toner Transfer questions...
2003-12-05 by Stefan Trethan
sing paper masking tape is a much better idea, you are right. ... i have flat paper masking tape (not the crepe masking tape for painting). It works perfect
Re: Fuser unit
2003-12-05 by Steve
... working ... You might ask this in the Printerrepair group of Yahoogroups. http://groups.yahoo.com/group/printerrepair/ Steve
Re: Toner Transfer questions...
2003-12-05 by Steve
... There is heat resistant paper tape sold for doing heat transfers like coffee mugs and such. It has to stand up to well over 400F. It looks like masking
Fuser unit
2003-12-05 by Esteban Arias
Hi, First, sorry by me english. I am trying working with a fuser unit of a HP 4L laser printer for working with the toner method transfer. Somebody have
Re: Toner Transfer questions...
2003-12-05 by wheedal99
... feed it ... instead i ... stuff to ... They do produce stickers just for this type of thing. I had a bunch of these from a foil transfer kit. I believe
Re: [Homebrew_PCBs] Toner Transfer questions...
2003-12-05 by Stefan Trethan
On Fri, 05 Dec 20 ... using paper masking tape is a much better idea, you are right. st
Re: [Homebrew_PCBs] Toner Transfer questions...
2003-12-05 by Russell Shaw
... Plastic tape against heated rollers is a bad idea is it not?
Re: Toner Transfer questions...
2003-12-05 by wheedal99
... using Time magazine paper with a laminator. It works PERFECT, I can do ... havent ... 8mils ... is the ... instead i ... to the ... That s pretty decent;
Re: Toner Transfer questions...
2003-12-04 by tnk
May I know how you use Time magazine paper with laminator. would you mind share this printing process with us. for me I try different papers but still no luck.
RE: [Homebrew_PCBs] Toner Transfer questions...
2003-12-04 by Pedro Perez de Ayala Rull
Hi all, I know this answer comes a little bit late, but I haven t seen anyone mention it and I have been getting very good results with it. I am using Time
Re: [Homebrew_PCBs] Re: how can i prevent corosion?
2003-12-04 by Adam Seychell
... Then how do you explain when mixing a
Re: [Homebrew_PCBs] Re: how can i prevent corosion?
2003-12-03 by Alan King
... http://www.wordreference.com/english/definition.asp?en=epoxy Seems the best single definition. Problem is you won t find a single solid answer, because