Re: [Homebrew_PCBs] Two Videos demonstrating the Kinsten UV Exposure Box
2011-09-26 by Tom Biery
Chris, The Glass Plate should work. Not sure if the LEDs you are using need a driver chip if they burn out then you probably need one. The ZXLD1362 for
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2011-09-26 by Tom Biery
Chris, The Glass Plate should work. Not sure if the LEDs you are using need a driver chip if they burn out then you probably need one. The ZXLD1362 for
2011-09-26 by Simao Cardoso
... Using HCl nylon on the search box of this group gives very explanatory messages like this (among others):
2011-09-26 by hondgm
To expand on this, I m a bit lost as to where to find materials that the solution doesn t attack. All the tutorials I ve seen on cupric chloride make no
2011-09-26 by Chris Kleeschulte
Tom: Your questions lead to me to believe that I have no idea what I am doing with this UV led exposure box. My design is not using a driver chip..just a 75ohm
2011-09-26 by Tom Biery
Are you driving the LEDs with a driver chip like a ZXLD1362? From: Chris Kleeschulte ... [Non-text portions of this message have been
2011-09-26 by Tom Biery
Thanks, if youi like the videos please subscribe to my youtube channel and let me know how the uv leds work out. My exposure is 70 to 100 seconds,. How
2011-09-26 by hondgm
Thank you for your reply. I assumed it was the cupric chloride, not HCl since this was supposedly no longer plain HCl. However I m no chemistry expert. I m
2011-09-25 by Chris Kleeschulte
Hey Tom: Thanks for sharing those videos. They are really great. I am current making my own UV exposure unit/box with these instructions:
2011-09-25 by Tom Biery
Making PCB for the FTDI Vinculum 2 Chip http://youtu.be/qK6DKbzm024 Overview of the Kinsten PCB UV Exposure Box http://youtu.be/j_5iuFjYY5g [Non-text portions
2011-09-25 by Lawrence Kincheloe
It sounds like HCL is reacting with your equipment. Try using HCL resistant materials. Google search found this useful website.
2011-09-24 by hondgm
Hello I have been etching PCBs for years using ferrous chloride, but wanted to try cupric chloride. I mixed hydrochloric acid and hydrogen peroxide, put some
2011-09-20 by Mike Bushroe
+1 on the Fab-in-a-box. I like the water dissolving surface coat on the paper, and the added green foil to reduce pitting in the traces. Mike -- Burn the Land,
2011-09-19 by Stuart Mitchell
HI.. I have been using PCB Fab in a box for awhile now with some good resultes http://www.pcbfx.com/main_site/pages/start_here/overview.html You will need to
2011-09-19 by qingbo.guo
Hi folks, I want to make PCB myself. But I don t know what kind of PCB Making kit do I need? Could anyone recommand one kind or give me a link? Thanks!
2011-09-13 by Peter Loron
Metcal++ MX-500 at home…sadly no soldering at work. :-( -Pete
2011-09-09 by blue_eagle
I also have a STSS power unit at home and it works just as good as my MX-500 at work. I have had many suppliers show me their systems and have not found any
2011-09-08 by Tim Gibbs
Hi I have a small engraving pantograph for marking signs. Copied a trace from paper, It turned out fairly rough and is Ok for a small board without IC. This is
2011-09-08 by Piers Goodhew
I think it would be significantly easier than making one by hand, significantly harder than making one via some fully automated process PG
2011-09-08 by Riley
that d certainly make it easier to do fine detail for those preposterously tiny smd pads... templates could routed in wood/plastic/cardboard with cnc equipment
2011-09-08 by David Griffith
... I don t think I would have the patience to make PCBs that way. -- David Griffith dgriffi@cs.csubak.edu A: Because it fouls the order in which people
2011-09-08 by Paul Mateer
Interesting concept..... ... -- Paul Mateer, AA9GG Elan Engineering Corp. www.elanengr.com NAQCC 3123, SKCC 4628, FPQRP 2003 [Non-text portions of this message
2011-09-08 by Bob Butcher
That is an interesting thought. I happen to have an old Hermes engraving pantograph with a diamond tip. I could print the PCB out 2:1 and trace the spaces
2011-09-08 by javaguy11111
I was wondering if anyone has tried using a pantograph for making a pcb. A larger scale image could be printed out on paper and traced using the pantograph to
2011-09-05 by Vicent Colomar Prats
I use laser on transparencies only, never did toner transfer, and when I made inkjet transparencies always used black ink with stock windows drivers. With that
2011-09-04 by Tony Smith
... to ... Paper has moisture in it, so it dries out when run through the fuser. The trick is to run it through a couple of times, then print on it. Tony
2011-09-04 by Donald H Locker
That s what I get for using memory instead of references. :( Still too close for me. Donald. -- *Plain Text* email -- it s an accessibility issue () no
2011-09-03 by Ben L
... I don t use Laser but what I have hear is that you can have shrinkage due to the heat of the Laser Printing. Ben
2011-09-03 by Ben L
... Inkjets & Inks designed for printing photos seem to work best.
2011-09-03 by alex4459jopiklal44
... Funny .. I got a Cannon inkjet this year..its the red or magenta that gives the best result .. when printing on transparancy with red in best Quality I
2011-09-03 by Stefan Trethan
No it is not. solder melts above 327C/621F is just wrong, even for leadfree solder. It may be the temperature you set on your soldering iron, but the melting
2011-09-03 by Ryan Bray
Actually, that is a reasonable temperature for solder, especially rohs compliant material. ... never be a non-stick one. ... [Non-text portions of this message
2011-09-03 by Stefan Trethan
Nonsense. Please check your numbers. ST
2011-09-03 by DJ Delorie
... With big traces I think any technique would work. I tend to need smaller ones (0.5mm pitch is standard for my projects). ... Do you have access to HCl and
2011-09-03 by Donald H Locker
But solder melts above 327C/621F, so a hotplate soldering station should never be a non-stick one. Donald. -- *Plain Text* email -- it s an accessibility issue
2011-09-03 by Mark Lerman
PTFE melts at 327C (621F); It is (was?) also used to coat non stick cooking pans. More than a few pet birds were killed when these pans got overheated in the
2011-09-03 by Stefan Trethan
Quote from wikipedia: The pyrolysis of PTFE is detectable at 200 °C (392 °F), and it evolves several fluorocarbon gases[12] and a sublimate. Animal studies
2011-09-02 by Paul Whatton
Me too. LaserStar produces good results with my Canon laser printer. I also use laser printer overhead projector transparency film which is much cheaper. Free
2011-09-02 by Roberto
Hello,this interesting link: http://www.reflow-kit.com/rkuk/order_product_details.html?p=13 ... From: Ryan Bray To:
2011-09-02 by Leon Heller
... I used to use an HP laser printer with Mega Electronics LaserStar film for transparencies. It worked quite well. Leon -- Leon Heller G1HSM
2011-09-02 by Peter Harrison
I have a toaster oven. This is attractive because it is very small and does not use a hot air flow. Peter Harrison
2011-09-02 by Peter Harrison
Interesting point. Presumably it is not just Teflon. After all, how do manufacturers get on with the huge variety of goods that have non-stick coatings for use
2011-09-02 by Bob Headrick
I would worry about this particular model. It says it has a non-stick coating, which would typically be Teflon. Teflon decomposes into toxic by-products at ~
2011-09-02 by Bob Butcher
It does not take anything very special to do reflow on PCB s. The last place I worked I used a cheap toaster oven and soldered several hundred prototype
2011-09-02 by DJ Delorie
... I don t, I was referring to toner transfer. I ve never had any luck with laser UV films; the light goes right through the toner.
2011-09-02 by Stefan Trethan
There was a discussion about pizza oven reflow some time ago, look in the archive. But it was another type where the pizza rotates through a hot air wedge .
2011-09-02 by Ryan Bray
Plenty of people do re-flow currently with regular toaster ovens... Sparkfun did a nice comparison. Their favourite method though? Hotplate.
2011-09-02 by Jeff Heiss
DJ, what model laser printer do you use for print to transparences? Jeff ... From: DJ Delorie Sent: Friday, September 02, 2011 11:04 AM To:
2011-09-02 by Peter Harrison
Hi I was looking around a local store and came across a tabletop pizza oven:
2011-09-02 by DJ Delorie
... I can do 10/10 or 8/8 with toner or 5/5 with inkjet, but inkjet is far more reliable if you use the coated films. ... Note: test your inks before deciding.
2011-09-02 by Vicent Colomar Prats
All I can say, in my experience, is laser printers do a better job than inkjet. They do not need special transparency films and cure (dry) inmediatly. I never