Re: GBC laminators
2010-07-17 by jp.gleyzes
That s exactly what I meant ! I have uploaded the pattern with cotations in the photo gallery JP
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Re: Board heat up time
2010-07-17 by rlspell2000
I use a Fellows SPL 125. It has speed settings, I run it on the slowest setting. Takes like 10 seconds for the board to go through. Actually, almost all my
Re: Board heat up time
2010-07-17 by James
... I m using a fancy Unilam 1200 that has variable feedrate, so I can have the board crawl through at a slow pace. The better laminator made a huge
Re: Board heat up time
2010-07-16 by rlspell2000
Interesting. I run the laminator at 180C, and still need pre-heat. In fact, I was running it at 220C (until the rollers failed) and still needed pre-heat. I
RE: [Homebrew_PCBs] Re: GBC laminators
2010-07-16 by Roger Blair
Caution: I have three 9 GBC s, one dual heat, two single heat. The one is identified as Personal , the others as Creative . They are all three of the same
Re: GBC laminators
2010-07-16 by jp.gleyzes
Yes sure :-) But the problem is not really the price... I wonder rather if all the GBC laminators have the design... I can easyly upload the pattern and you
Re: GBC laminators
2010-07-16 by Derryck
For those of us without access to CNC, is there any chance of a small production run please? Would be worth some euros. Cheers Derryck
Re: GBC laminators
2010-07-16 by jp.gleyzes
Hi Ken, I have the patterns in CAD formats : - solidworks - step - IGES - ... but neither in eagle nor kikad ! JP
Re: Board heat up time
2010-07-16 by James
... I never do any preheating. I just set the laminator to 160C which is as high as it goes and then run the board through a couple of times. perfect transfer
Re: GBC laminators
2010-07-15 by sailingto
I wish I had the ability to do Gcode - maybe someday? Right now I d have to use a pattern to do a toner transfer, then cut out with a saw, then hand drill the
Re: GBC laminators
2010-07-15 by jp.gleyzes
Thanks Ken :-) Yes these are the epoxy sides. If you want the Gcode to CNC yours, just tell me JP
Re: Quick kapton and copper foil flex circuit test
2010-07-15 by javaguy11111
The idea is to mix the copper and adhesive powders together and then pull off a single layer with tape. I would then tack the exposed side down, pull off the
Re: [Homebrew_PCBs] Re: Micromark drill press
2010-07-15 by lists
In article , ... If you can beg, borrow or steal some, a drop of slideway oil as used on lathes and so on, would probably be better
Board heat up time
2010-07-15 by rlspell2000
The board I did on the new hot plate, between the clothes iron and the hot plate, preheated for 3 min @ 160C worked good. Tried that on the next one, and got
Re: GBC laminators
2010-07-15 by sailingto
Those are your epoxy sides you CNC d to get the laminator back in business. They look good. you did a VERY good job of the video also. Good Job! Ken H
Re: [Homebrew_PCBs] Re: Quick kapton and copper foil flex circuit test
2010-07-14 by Charles R. Patton
As a side note, powered hot-melt adhesive would be hard to apply evenly. If you only wanted to do bonding (without needing the conductive additive) I would
Re: GBC laminators
2010-07-14 by jp.gleyzes
... Hi all, I have uploaded a video of the openened GBC laminator. I don t remember who asked me to do it !!! it s here :
RE: [Homebrew_PCBs] Re: Quick kapton and copper foil flex circuit test
2010-07-14 by Tony Smith
... Also have a look at http://nonconductiveplating.com/ This is like that conductive ink you use to fix traces. It s used to spray on non-metallic items
Re: Quick kapton and copper foil flex circuit test
2010-07-14 by javaguy11111
... Thanks. Found the adhesive powder online at advancedscreen.com and some 325 mesh copper powder at chemicalstore.com. So I guess I will be doing some
Re: Quick kapton and copper foil flex circuit test
2010-07-14 by Tony Smith
... Try a scrapbooking / art craft shop. They sell embossing powder which sounds like that stuff. That has a fairly low melt temperature. Tony
Re: [Homebrew_PCBs] Re: Quick kapton and copper foil flex circuit test
2010-07-13 by Piers Goodhew
Has anyone ever tried this? http://www.instructables.com/id/DIY-Flexible-Printed-Circuits/ My previous employer had several xerox printers and I always wanted
Re: Quick kapton and copper foil flex circuit test
2010-07-13 by javaguy11111
Heat seal flex sounds interesting, but I do not see any places that sell it. I did find a place that sells hot melt powder, but none of their distributors seem
Re: New (free) PCB software
2010-07-13 by James
... It s as good as any of the expensive packages I ve evaluated too. It s not perfect, but none of them are, the important part is that it is stable, and
Re: interesting
2010-07-13 by James
... IR thermometers don t work on plain aluminum, I ran into this myself when I was building a hot plate. The temperature reported by the IR was WAY lower than
RE: [Homebrew_PCBs] Re: Quick kapton and copper foil flex circuit test
2010-07-13 by Bruce Tunnicliffe
If it just the glass you re connecting to, I have used a heatseal flex, which I adhere to the glass with a soldering iron heating a thin metal bar (a piece of
Re: Quick kapton and copper foil flex circuit test
2010-07-13 by javaguy11111
What started me looking at this is that I bought a PSOC5 developer board for testing and wanted to hook up an LCD display to it. Sparkfun had some Nokia
Re: [Homebrew_PCBs] Quick kapton and copper foil flex circuit test
2010-07-13 by Andrew Villeneuve
This is remarkably useful! I ve often wanted to rework flex cables, but it had never occurred to me that there was a viable homebrew way of doing this. Let us
Quick kapton and copper foil flex circuit test
2010-07-11 by javaguy11111
A quick check of the archives did not show that anyone had tried this, so I will relay this little test I just did. I was thinking about making a flex ribbon
Re: [Homebrew_PCBs] Circuit board house review
2010-07-11 by Dylan Smith
... All the places I use give free electrical testing for boards with 4 layers or more. I guess the thought there is that for a prototype it s easy enough to
Re: [Homebrew_PCBs] Circuit board house review
2010-07-11 by Stefan Trethan
Using quality (and expensive) board houses at work, errors still do occur. Stuff like wrong drill sizes, missed holes, misinterpreted artwork, etc.. I ve never
Re: [Homebrew_PCBs] Circuit board house review
2010-07-11 by Leon Heller
... With complex boards I pay for electrical testing, it saves a lot of trouble. PCB-Pool produces very high quality prototype boards and I ve never had a
Re: [Homebrew_PCBs] Circuit board house review
2010-07-11 by Tolga Abaci
Chris, thank you very much for the review. I must say that shorts on a professionally-made board does not sound good. If I am paying to have a board made, I
Circuit board house review
2010-07-11 by Chris
Hi all, I had my first circuit board made by a manufacturer instead of DIY. This one was just a bit too tough for DIY so I thought I would try a board house.
Re: [Homebrew_PCBs] Re: interesting
2010-07-09 by Stefan Trethan
No IR thermometer can do that. I don t think even with a better one (where you can adjust emission coefficient) can you measure shiny metal properly. ST
Re: interesting
2010-07-09 by sailingto
Thanks for the feed back folks - I have one of those IR thermometers and it is almost impossible to get a decent temperature with hot stuff I m interested in -
Re: [Homebrew_PCBs] interesting
2010-07-09 by Stefan Trethan
Plain aluminium is off by 50% or more. Same with heatsinks. It s almost impossible to measure with an optical thermometer or thermal imager. To get around this
Re: [Homebrew_PCBs] interesting
2010-07-09 by Donald H Locker
Be aware that there is a difference between a visibly black object and a true blackbody (an object with an emissivity of 1.0 at all wavelengths.) Normal IR
Re: [Homebrew_PCBs] interesting
2010-07-09 by James Bishop
I have an IR thermometer and experience the same thing. I believe this is related to the concept of black body radiation . The IR thermometer is calibrated to
interesting
2010-07-09 by rlspell2000
Bought a GOOD lab hot plate to do solder reflow. Half inch thick aluminum top, temp setting dial. When I first fired it up I very carefully found the settings
Homemade Inkjet head (piezo available)
2010-07-08 by Cristian
... Only for the piezo, two pieces. ... Not yet ... I ll try with flame narrowing the pipette s end. ... Yes. The idea is to fill the pipette with Staedler ink
Re: [Homebrew_PCBs] Flux suggestions
2010-07-07 by Leon Heller
... I use solder with a no-clean flux core, but the flux isn t very active. I coat the pads with additional no-clean flux using a flux pen. It seems more
RE: [Homebrew_PCBs] Flux suggestions
2010-07-07 by Steve Maroney
I was sooo surprised how easy SMD is compared to how tough it looked. The key to my success so far is to use *SOLDER PASTE*. Look for it through google
Re: [Homebrew_PCBs] Flux suggestions
2010-07-07 by Stefan Trethan
My opinion is you should use plain old colophony resin flux. It doesn t need cleaning in most circumstances and is very cheap and reliable. And since it is a
Re: Flux suggestions
2010-07-07 by roycepipkins
I went with a $20 syringe of no clean solder paste. I find I can put adequately controlled dobs of paste on 0805,SOIC,SOT-23 pads by hand. The dobs merge
Flux suggestions
2010-07-07 by toftat@cowshed.us
OK folks, I have decided to take the plunge into building PCB s with SMD components. I have been putting this off for about 3 years now, but the availability
Re:Homemade Inkjet head (piezo available)
2010-07-07 by gsi11135
This is just for the piezo unit, yes? Have you sourced the etched Si nozzle? I am sure the nozzle could be made at home, no prob. The Glass-Si bond might be
Re: GBC laminators
2010-07-07 by jp.gleyzes
sounds gret for the temperature regulation ! For the epoxy wall be aware that you need to be very precise to achieve a proper work of alignment of the rollers.
Re: GBC laminators
2010-07-07 by sailingto
Sorry it took so long to respond to your msg JB, but been pretty busy last couple of days. The temperature controller is not published - wasn t sure if anyone
(no subject)
2010-07-06 by fana cute
http://mellage93.meet-tweet.com/10/07/fan_nastelroy-most-common-cause-of.html
Re: [Homebrew_PCBs] Re: New (free) PCB software
2010-07-06 by Leon Heller
... No, it only works the other way round. PSX libraries etc. are much more complex. I just created a Parallax Propeller part (DIL40) in DesignSpark. It only