Re: Kepro bench top spray ectcher
2012-08-20 by twb8899
The spray manifold on the Kepro etchers are nothing more than two pieces of 1/2 CPVC pipe with a pattern of small holes spaced out over a 5 or 6 inch length.
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Re: [Homebrew_PCBs] Kepro bench top spray ectcher
2012-08-19 by Jean-François Bachelet
hello ^^) ... From: jcarlosmor To: Sent: Sunday, August 19, 2012 1:39 AM Subject: [Homebrew_PCBs]
Kepro bench top spray ectcher
2012-08-18 by jcarlosmor
Hello Tom, I had obtained a used Kepro bench-top etcher. It is a very old machine (mid-80s I believe), but I had seen those machines in action many years ago
Re: Bonding copper to FR4 core material
2012-08-17 by David
Many thanks for that insight, Tom. I m interested in knowing this technique and processesz involved in order to create more permanent PCB repairs. I ve used
Positive Developement
2012-08-17 by kbyrne10
Is there a solution I can buy to change double sided boards into positive developement boards as I have a gross of double sided boards and heard of a way to
Positive Developement
2012-08-17 by kbyrne10
What is the best type of set up to advance into positive developement from iron on and direct etch as I need a way that is more dependable every time. Should I
Re: GerbView is awesome:
2012-08-17 by tda7000
At the same time I think if they do fix issues fast that s pretty good, most software companies seem to ignore everything but the worst issues!
Re: [Homebrew_PCBs] Re: GerbView is awesome:
2012-08-16 by Stefan Trethan
I used Pulsonix to make the files. Yes I know they ll fix it, but I want no banana software for this (that is software which ripens at the customer). My
Re: GerbView is awesome:
2012-08-16 by studleylee
ST, Glad ViewMate worked. What are you using to gen the gerbers? If you email Gervbiew an example file with an short explanation of the issue, they ll fix it
Re: Bonding copper to FR4 core material
2012-08-16 by twb8899
The copper foil used for printed wiring laminates is treated on one side with an oxide coating. This oxide coating gives the copper surface a crystalline
Re: [Homebrew_PCBs] Re: Bonding copper to FR4 core material
2012-08-16 by Les Newell
If I remember correctly the copper is oxidized first. The oxide forms a a slightly porous structure that allows a good bond. Layers of woven glass cloth are
Re: Bonding copper to FR4 core material
2012-08-16 by David
... Thanks, John, but that link leads me only to marketing pages. I haven t been able to find any documents containing 27 or more pages. Can you point me to
Re: [Homebrew_PCBs] GerbView is awesome:
2012-08-16 by Leon Heller
... I ve used GC-Prevue for years. Leon -- Leon Heller G1HSM
Re: [Homebrew_PCBs] Re: GerbView is awesome:
2012-08-16 by Stefan Trethan
GerbView wouldn t correctly display some oval pads, making it a no-go. GC-Preview would not install (some error about a database). Viewmate did everything OK
Re: GerbView is awesome:
2012-08-16 by studleylee
Re: GerbView is awesome: I ve had http://www.pentalogix.com/viewmate-deluxe-p-650.html for a few years and it has never let me down. Very fast too. To get the
Re: [Homebrew_PCBs] Bonding copper to FR4 core material
2012-08-16 by John Anhalt
See page 26 and 27 here: http://www.jjorly.com/g10_fr4_sheets_fabricator.htm Most copper is electrodeposited (i.e., plated) onto the FR4. John ... From: Dave
Bonding copper to FR4 core material
2012-08-15 by Dave M
I ve followed a thread on the Tekscopes group for several days, hoping that someone would ask the question that s eluded me for years. My question is in
RE: [Homebrew_PCBs] GerbView is awesome:
2012-08-15 by Boman33
A second suggestion for GC-Preview. Bertho From: David C. Partridge Sent: Wednesday, August 15, 2012 15:37 FWIW I use GC-Prevue and find it is excellent (so
RE: [Homebrew_PCBs] GerbView is awesome:
2012-08-15 by David C. Partridge
FWIW I use GC-Prevue and find it is excellent (so far it has eaten everything I threw at it). Cheers Dave
Re: [Homebrew_PCBs] GerbView is awesome:
2012-08-15 by Stefan Trethan
Thank you for the recommendation. I m still looking for a good gerber viewer, so far all I tried had problems with one file or the other (gerber has too many
GerbView is awesome:
2012-08-15 by studleylee
I ve been talking with Terje at gerbView http://www.softwarecompanions.com/gerbview.html The program is great for viewing and exporting gerbers to DXF, but I
RE: [Homebrew_PCBs] PCB Milling
2012-08-15 by Tony Smith
... It is indeed, but will take a lot penny saving to afford. Give it another 10 years... I was rather impressed when I saw that, particularly as copper is
Re: [Homebrew_PCBs] PCB Milling
2012-08-14 by Jamie Cunningham
Now THAT s very cool! Jamie Check out my CNC projects (and more) at http://www.backyardworkshop.com ... [Non-text portions of this message have been removed]
RE: [Homebrew_PCBs] PCB Milling
2012-08-13 by Tony Smith
... Diptrace ... Nice job - and a thank you for turning down the volume. :) If you save your pennies you could get one of these:
Re: [Homebrew_PCBs] PCB Milling
2012-08-13 by Jamie Cunningham
Thanks Joe I will check that out - It takes dxf or gerber files and converts to G Code I m guessing? Jamie Check out my CNC projects (and more) at
Re: [Homebrew_PCBs] PCB Milling
2012-08-13 by joe M
pcb2gcode is awesome, imho. On Mon, Aug 13, 2012 at 9:36 AM, backyardworkshop
PCB Milling
2012-08-13 by backyardworkshop
Hey guys - over the weekend I worked on milling my own PCB :) I used Diptrace and Ace and milled it out on my homemade CNC machine - came out OK for my first
Re: [Homebrew_PCBs] Making film
2012-08-12 by Leon Heller
... You might not need the Premium film for a Canon printer. It definitely is needed for some HP printers, like the 5940 that I use. Leon -- Leon Heller G1HSM
Re: [Homebrew_PCBs] Making film
2012-08-12 by Jefferson Siy
Planing to Use a canon printer with the jetstar Premium. Anyone had used a canon on this film? I would like to get the Epson because of the cheaper inks, but
Re: most resistant ink for epson
2012-08-11 by AlienRelics
I m going to answer your question over in Inkjet_PCB_Construction. http://tech.groups.yahoo.com/group/Inkjet_PCB_Construction/ Steve Greenfield AE7HD
RE: [Homebrew_PCBs] most resistant ink for epson
2012-08-10 by MIKE DURKIN
.... To: Homebrew_PCBs@yahoogroups.com From: saydhosseinsalari@yahoo.com Date: Fri, 10 Aug 2012 18:46:37 +0000 Subject: [Homebrew_PCBs] most resistant ink for
most resistant ink for epson
2012-08-10 by hossein
hi im going to use a Epson printer to print directly on copper so i need a special ink that must have most resistant and it mustn t harmful for printers head
Re: [Homebrew_PCBs] Making film
2012-08-10 by DJ Delorie
I use an Epson R280 inkjet with Jetstar Premium and some custom driver software, and get nearly perfect black films out of it. You have to use the custom
Re: [Homebrew_PCBs] Re: Long-Term CuCl2 setup
2012-08-09 by Derward Myrick
I have been using Baquacil (that I buy at swimming pool supply stores) as my source of Hydrogen Peroxide. I do not remember the % but close 30% best I
Re: [Homebrew_PCBs] Re: Long-Term CuCl2 setup
2012-08-09 by Donald H Locker
Steve put a copy in our files last May. Most convenient. I found Sally Beauty next
Re: [Homebrew_PCBs] Re: Long-Term CuCl2 setup
2012-08-09 by kabowers@NorthState.net
... Great page Jim, thanks for the info. FWIW - I recently went looking for 40 Volume peroxide in my area and found that Sally Beauty Supply stores stock it.
Re: Long-Term CuCl2 setup
2012-08-09 by Jim Williams
I have an archived copy of the Seychell paper (with pictures) in the cupric chloride section of my project notes here:
Re: [Homebrew_PCBs] Making film - laser printed "Mylar" phototools
2012-08-09 by Robin Whittle
Oops - I wrote that the Canadian laser transparency film was 11 microns thick. It is about 110 microns. - Robin
Re: [Homebrew_PCBs] Making film - laser printed "Mylar" phototools
2012-08-09 by Robin Whittle
Short version: I have had success making phototools for negative photoresist film (Riston) using both the MegaUK LaserStar and an un-named A4 transparency
Re: Making film
2012-08-08 by tda7000
For UV photoresist PCBs I ve been using a generic brand of laser printer transparencies from the local Warehouse Stationery. I don t get many holes to begin
Re: [Homebrew_PCBs] Making film
2012-08-08 by John Anhalt
If you have problems with holes, try my dry erase/white board method. I posted pictures here and on my blog here:
Re: [Homebrew_PCBs] Making film
2012-08-08 by Leon Heller
... It depends on the printer. I get excellent results with an HP Deskjet 5940 printer using JetStar Premium film. Leon -- Leon Heller G1HSM
Making film
2012-08-08 by Jefferson Siy
Hi, Am choosing between LaserStar and JetStar premium for making Masks. Anyone who has tried them both? I usually use 85 GSM tracing paper, but the black areas
Re: [Homebrew_PCBs] Re: Long-Term CuCl2 setup
2012-08-07 by Gmm Groups and News
... The page can be found at http://web.archive.org/web/20100206170229/http://members.optusnet.com.au/~eseychell/PCB/etching_CuCl/index.html Some of the
Re: [Homebrew_PCBs] Re: quick prototype service for 1/32 inch thick boards?
2012-08-06 by Jan Kok
If I didn t need the plated thru holes, I could do it myself too. :-) This is for an inexpensive bicycle light product. I want the PTH in order to evaluate the
Re: quick prototype service for 1/32 inch thick boards?
2012-08-06 by John Ferrell
Other than production quality and plated through holes what you want is easy to do by most of us beginners here. If you will post the details and give up
quick prototype service for 1/32 inch thick boards?
2012-08-06 by Jan Kok
I need about 2 small (~.65 x 1.1 inch) PCBs, They need to be 1/32 inch thick, and have production quality plated thru holes (for strength). Solder mask is
Re: [Homebrew_PCBs] PCB light box - hf ballast / tube wattage
2012-08-02 by John
Hi Nuno T, Thanks for the info on ballasts and tube Wattage. I have often wondered whether they need to be matched. Cheers, John From: Nuno T. Sent: Wednesday,
Re: [Homebrew_PCBs] Re: PCB light box - hf ballast / tube wattage - 400W floodlight instead?
2012-08-02 by John
Thanks Robin, I just realised that I already have one of those stashed away in the garage.... I ll dig it out. John
RE: [Homebrew_PCBs] Re: PCB light box - hf ballast / tube wattage - 400W floodlight instead?
2012-08-02 by Boman33
Preferably keep a fan blowing over your artwork & PCB. The lamp produces a lot of heat- 500W. I am literarily using lamps like that for a specialized heater