Re: OHP Film, Transperancy, Acetate Film
2007-09-02 by Andrew
... When I used to do TT I used OHP transperancies and found there was as much variation from brand to brand as people find with different paper stocks. I
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Re: Has anyone tried one of the "Gordon" (Harbor Freight) laminators yet?
2007-09-02 by alan00463
Hi, Welcome to the group. Alan
Re: Has anyone tried one of the "Gordon" (Harbor Freight) laminators yet?
2007-09-02 by alan00463
... Standard PC board is 0.0625 inches. That is 1.6mm.
Re: [Homebrew_PCBs] OHP Film, Transperancy, Acetate Film
2007-09-02 by Stefan Trethan
... I m not sure if any of the above is ideal for TT (i consider them one and the same BTW). Some people have said it works, but most people seem to prefer
OHP Film, Transperancy, Acetate Film
2007-09-02 by Mr Crazy
Does any one know if OHP film, Transperancy and Acetate Films are the same or all are different? Which is the best for Toner Transfer? Parag ... Pinpoint
Has anyone tried one of the "Gordon" (Harbor Freight) laminators yet?
2007-09-02 by foobaz_utne
Hi, I m new to the group and I m wondering if anyone has tried using one of the really cheap Gordon laminators at horror fright for toner transfers onto PCBs:
Re: [Homebrew_PCBs] Re: Aoyue 968
2007-08-30 by Stefan Trethan
... _might_ .... still worth a try, takes about one minute and it _might_ work. The alternative might also work (will if correctly done, but there might be
Re: Aoyue 968
2007-08-30 by derekhawkins
... This approach for a fixed vacuum setup or simply reducing the vacuum, where adjustable, limits you in terms of the size/weight range of components that can
Re: [Homebrew_PCBs] Aoyue 968
2007-08-25 by Stefan Trethan
I do not own this tool, but i have made my own vacuum pick from a ball-point pen and a syringe needle. From that i found too that making a hole in the side
Aoyue 968
2007-08-24 by brainerd@wildblue.net
I just got the Aoyue 968 about 2 weeks ago. I don t have any experience with other units to compare to. I am currently assembling my 995x board which has
Re: [Homebrew_PCBs] Re: Drag soldering.
2007-08-23 by Gordon Couger
Tell the safety guy to get you some lead free that works like lead and you be glad to use it as soon at he personally demonstrates to you on it works as well
Re: [Homebrew_PCBs] Re: setting up for smd
2007-08-23 by lists
In article , ... The best solution I came up with was to apply a /very/ pointed tip to the hole on the component side
Re: [Homebrew_PCBs] Re: setting up for smd
2007-08-23 by Leon
... From: DJ Delorie To: Sent: Thursday, August 23, 2007 4:27 PM Subject: Re: [Homebrew_PCBs] Re: setting up
Re: [Homebrew_PCBs] Re: setting up for smd
2007-08-23 by DJ Delorie
... Whatever was cheapest at Target. Currently, an Aroma $20 model. http://www.delorie.com/pcb/hotplate/ Some shots of it in action at the bottom of this
Re: setting up for smd
2007-08-23 by niceike5
This is some great info thanks. It s really caused me to take a deeper look at the equipment out there. But, I do have a couple questions; DJ: I put the
Re: setting up for smd
2007-08-23 by Stephanie Ann Thompson
At my experience in my workplace, the metcal irons worked great. The most used were a 3mm or so conical chisel tip, and a smaller version of it. I found the
Re: Drag soldering.
2007-08-22 by pgdion1
Nice looking board. I ve always wanted to try this stuff, maybe I should give it a whirl. Jameco used to sell something like it in a powder form but I don t
Re: Drag soldering.
2007-08-22 by pgdion1
I would have thought the multi-core was better too, I was surprised by the results I had. You have my sympathy on the Lead-Free. I don t know about anyone
Re: setting up for smd
2007-08-22 by pgdion1
LOL- Sorry about that Stephan. I agree, anything more than one or 2 by hand is not practical this way. If it gets to that, I have the luxery of sending boards
Re: [Homebrew_PCBs] Re: setting up for smd
2007-08-21 by Stefan Trethan
... That s the plan ;-) Has anyone experience with the cheaper reflow ovens like the one from LPKF? Note that apparently
Re: [Homebrew_PCBs] Re: setting up for smd
2007-08-21 by DJ Delorie
... You need to talk them into buying reflow gear :-)
Re: [Homebrew_PCBs] Re: setting up for smd
2007-08-21 by Stefan Trethan
Shhhh, shhhh, don t say that! I ve been preparing them the last few weeks that we _need_ more SMD tools, you can t go around saying things like not necessary
Re: [Homebrew_PCBs] Re: Drag soldering.
2007-08-21 by Stefan Trethan
Thanks for the recommendation, i should ve asked before buying. I ve used it now for a few days, and it s OK for most stuff. Doesn t leave much visible flux
Re: [Homebrew_PCBs] Re: Drag soldering.
2007-08-21 by DJ Delorie
I ve also got a page on liquid tin, which I now use for tinning boards. No flux mess to clean up afterwards. http://www.delorie.com/pcb/liquidtin/
Re: [Homebrew_PCBs] Re: Drag soldering.
2007-08-21 by Leon
... From: pgdion1 To: Sent: Tuesday, August 21, 2007 4:03 PM Subject: [Homebrew_PCBs] Re: Drag soldering.
Re: Drag soldering.
2007-08-21 by pgdion1
I had the same experience. We have some of the 5 core / multi-core stuff at work and it s performance is poor. Either not enough flux or the flux isn t as
Re: setting up for smd
2007-08-21 by pgdion1
I ve been doing rework for years and although hot air is nice, it s not necessary for small builds and proto-types. I use a temp controlled Weller iron and I
Re: [Homebrew_PCBs] Re: setting up for smd
2007-08-21 by Stefan Trethan
... My thought exactly ;-) Everyone will do well to remember these are opinions ;-) Regardless of brand, who is using a small hot air iron shaped like a
Re: setting up for smd
2007-08-21 by Andrew
... Let the holy wars begin :D
Re: [Homebrew_PCBs] setting up for smd
2007-08-20 by Leon
... From: niceike5 To: Sent: Monday, August 20, 2007 8:58 PM Subject: [Homebrew_PCBs] setting up for
Re: [Homebrew_PCBs] setting up for smd
2007-08-20 by DJ Delorie
... I use a 2.5x/3.5x visor, with which I ve done down to 01005 capacitors, but I have a toy 200x microscope for verification. I use a Metcal MX station, with
setting up for smd
2007-08-20 by niceike5
Hello I m a new member, a software developer and tinker-er. My latest tinkering has taken me into smd and I need to put together a small rework setup. I want
Re: [Homebrew_PCBs] Re: 0.5mm pitch breakout board?
2007-08-19 by DJ Delorie
... Yup. You need a serial port and two GPIO (mode and reset). In theory, you can do it with a standard rs-232 port with a suitable TTL level shifter, if you
Re: 0.5mm pitch breakout board?
2007-08-19 by timbomcnuckle
Yeah I ve done the same- cept that my re-flow- oven is a way crappy toaster oven that has the poorest temp control right now- I am working towards correcting
Re: [Homebrew_PCBs] Re: 0.5mm pitch breakout board?
2007-08-18 by DJ Delorie
... A couple of weeks ago we had a gEDA meeting here, and I reflowed some QFNs on my hotplate. Two power supply boards, two worked! These were 0.5mm too,
Re: [Homebrew_PCBs] Re: Drag soldering.
2007-08-18 by Leon
... From: Andrew To: Sent: Saturday, August 18, 2007 12:09 PM Subject: [Homebrew_PCBs] Re: Drag
Re: Drag soldering.
2007-08-18 by Andrew
... Good idea feeding the solder through a large hole. Does the hole have to be plated through or will it work on home made boards ? Would not have worked for
Re: Drag soldering.
2007-08-18 by Andrew
... Most of my soldering equipment is Hako, however I bought a cheap hot air gun that is a chinese rip- off of the Hako. It works fine but is noisy and the
Re: [Homebrew_PCBs] Drag soldering.
2007-08-18 by Leon
... From: Andrew To: Sent: Saturday, August 18, 2007 11:09 AM Subject: [Homebrew_PCBs] Drag
Re: [Homebrew_PCBs] Drag soldering.
2007-08-18 by Stefan Trethan
... Yes, you must also reflow if there is a thermal pad. Although there is a method to pre-tin the pad, the reflow it, and then drag solder the surrounding
Re: gEDA plugins.
2007-08-18 by Andrew
... I think 0402s are all the fun I want to have for now. I could probably get results with components 1/2 to 1/3 that size but it would not be very
Drag soldering.
2007-08-18 by Andrew
... If the chips have legs like TQFPs or even stubby metal stumps like _some_ QFNs have then you can drag a pool of solder across the pins and the surface
Re: [Homebrew_PCBs] Re: 0.5mm pitch breakout board?
2007-08-18 by Leon
... From: Stefan Trethan To: Sent: Saturday, August 18, 2007 9:37 AM Subject: Re: [Homebrew_PCBs] Re:
Re: [Homebrew_PCBs] Re: 0.5mm pitch breakout board?
2007-08-18 by Stefan Trethan
I ordered the sharpest pencil point they make, to try if it is better than a larger tip for QFN and other small stuff. It isn t. I end up drag soldering all
Re: [Homebrew_PCBs] Re: 0.5mm pitch breakout board?
2007-08-18 by Leon
... From: Andrew To: Sent: Saturday, August 18, 2007 1:58 AM Subject: [Homebrew_PCBs] Re: 0.5mm
Re: [Homebrew_PCBs] gEDA plugins.
2007-08-18 by DJ Delorie
... Another thing is to try 1/2 oz copper - half the undercutting, half the etch time, etc. ... Not me :-) ... I found that useful for hand-etched, in case the
Re: gEDA plugins.
2007-08-18 by mpschreiber31415927
Personally, I ve had exceptional results using the sponge method with Ferric Chloride on both toner transfer (with the TRF layer) and photo-resist. In fact I
gEDA plugins.
2007-08-18 by Andrew
... Probably won t help me as I am one of those photo zealots. I think until I get spray etching happening I will just stick to Ferric Chloride on boards with
Re: [Homebrew_PCBs] Re: 0.5mm pitch breakout board?
2007-08-18 by DJ Delorie
... Pulsar does recommend the TRF layer to protect the toner if you re going to use a sponge. It s a thin film that sticks to the toner to seal it and add
Re: 0.5mm pitch breakout board?
2007-08-18 by Andrew
... Leon, How do you hold your boards one at a time ? I just use the clips that came with the etch tank (Which BTW are over twice the size of the PCB). If I