Re: CNC / Milling Machine
2007-10-11 by paulallison2003
... a ... boards ... expensive ... something I ... at making ... panels ... I suggest some used CNC driller, as EBAY
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Re: [Homebrew_PCBs] CNC / Milling Machine
2007-10-11 by sml
4 x 6 would be the average i guess shawn ... [Non-text portions of this message have been removed]
Re: [Homebrew_PCBs] CNC / Milling Machine
2007-10-11 by Brian Pitt
... about a grand seems reasonable what size boards are you looking at making the price (and problems) can go up pretty fast if you need big panels (more than
Re: CNC / Milling Machine
2007-10-11 by paulallison2003
... as ... boards ... expensive ... something I ... Have a look at ebay http://cgi.ebay.com/A30874-T-Tech-7000S-Quick- Circuit-Prototyping-PCB-
T862 rework stations?
2007-10-10 by Leslie Newell
Hi, Has anyone used one of the T862 rework stations that have been appearing on eBay? I am looking for a rework station and these look interesting. Les
Re: [Homebrew_PCBs] Re: Mounting Liquid Crystal Displays
2007-10-10 by Steve Wiseman
... At a guess it ll be some heat-sensitive slightly conductive (or with conductive particles?) glue. You could try a coolis (200oC?) soldering iron run along
Re: Direct Printing : how to begin
2007-10-09 by Patrick
Thanks for the advice Steve. So you think that I have a chance with some more cleaning? The weird thing was I was in the middle of printing when the ink
CNC / Milling Machine
2007-10-09 by sml_caerus
Hi all, maybe someone point me in a good direction here. I am looking for a CNC / Milling machine to mill my own prototype PCB s with. As more and more of my
Re: [Homebrew_PCBs] Homebrew SMT Hot Air Pencil
2007-10-09 by Bryan Pope
... There is also this: http://www.engadget.com/2006/03/07/how-to-make-a-surface-mount-soldering-iron or this:
Homebrew SMT Hot Air Pencil
2007-10-09 by keith
I stumbled across this while looking at some metalcasting stuff and thought it might be of interest to the group.
Re: Direct Printing : how to begin
2007-10-09 by Steve
... Doh! Forgot the capitalization on my own link... thanks for correcting that for me! Exact ingredients and proportions on the link. Sorry it s not well
Information wanted
2007-10-09 by logicresearch
Hi everyone, I m about to launch a new web site to teach new-comers all about electricity and electronics, and also have loads of information for the
Re: [Homebrew_PCBs] Re: Direct Printing : how to begin
2007-10-09 by Kim Vellore
... Steve - That link appears broken. Can you send the full details - proportions, etc.? Norm Here is the link
Re: [Homebrew_PCBs] Re: Mounting Liquid Crystal Displays
2007-10-09 by Stefan Trethan
Yes, but precise application would be required, to avoid shorts. It would be good to know what they actually use to put it together the first time. ST
Re: [Homebrew_PCBs] Re: Direct Printing : how to begin
2007-10-09 by Norm Stewart
... Steve - That link appears broken. Can you send the full details - proportions, etc.? Norm
Re: Direct Printing : how to begin
2007-10-09 by Steve
Never, ever use just isopropyl to clean heads. It doesn t completely dissolve all the ink, and worst of all it replaces/displaces the water in the ink, then
Re: Mounting Liquid Crystal Displays
2007-10-09 by Dave Miller
... How about the conductive epoxy that is used to repair Automotive rear window defrosters? it is designed to stick to glass and would make a conductive
Re: [Homebrew_PCBs] Mounting Liquid Crystal Displays
2007-10-09 by Stefan Trethan
Ok, but what about the displays where a thin plastic foil cable is somehow attached to the glass? So far i do not know any way to re-attach them once you
Re: [Homebrew_PCBs] Re: another toner transfer medium
2007-10-09 by Stefan Trethan
Actually, it wasn t me with the label backing paper. I tried that but the image would always be damaged before i could transfer it. Same for baking paper. What
Re: Direct Printing : how to begin
2007-10-09 by Patrick
Hello all - A little update needed. I m working on my second C84 conversion, and had it working. But then the heads clogged(?), and after more cleaning (even
Re: another toner transfer medium
2007-10-08 by Len Warner
... Useful, yes: new, no. Stefan Trethan reported using it for component legends but had pinhole problems with tracks. I believe silicone-coated baking
Re: [Homebrew_PCBs] Mounting Liquid Crystal Displays
2007-10-08 by Steve Wiseman
... I recently, finally, found someone who makes and sells the stuff - http://www.zaxisconnector.com/ Never bought from them, no recommendation, just a link.
Re: [Homebrew_PCBs] Mounting Liquid Crystal Displays
2007-10-08 by Leon
... From: Harry To: Sent: Monday, October 08, 2007 3:55 PM Subject: [Homebrew_PCBs] Mounting Liquid Crystal
Mounting Liquid Crystal Displays
2007-10-08 by Harry
How are LCDs fastened to PCBs? They seem to be glued somehow to the circuit boards with some kind of conductive adhesive on the almost transparent edge
Re: [Homebrew_PCBs] Re: BGA Soldering: Hot air rework station
2007-10-08 by Bob Macklin
And I have worked for employers that said they could not afford the time to prove the design in FPGA and/or CPLD before commiting an ASIC. That s another form
Re: [Homebrew_PCBs] Re: BGA Soldering: Hot air rework station
2007-10-08 by Mark Brueggemann
... Ever price an ASIC? Ever price a *mistake* in an ASIC? Makes them high density FPGA s look cheap. Doing all your ASIC protyping on a reprogrammable part
RE: [Homebrew_PCBs] another toner transfer medium
2007-10-08 by Tony Smith
... And there s your problem. Tony
Re: BGA Soldering: Hot air rework station
2007-10-07 by Jon Elson
... My condolences! ... Some signals, like global clocks, are permanently assigned. ... If you don t know E-Teknet, in Arizona, then you need to check their
Re: BGA Soldering: Hot air rework station
2007-10-07 by Jon Elson
... I just did a batch of boards with 0.5 mm MQFP s and some other SSOP with 0.5mm pitch. These were heat-sinked 14x20 mm rectangular ASICs we had made by
Re: BGA Soldering: Hot air rework station
2007-10-07 by Jon Elson
... I got a GE toaster oven from Wal-Mart for doing reflow. After some fooling around and toasting a couple boards but good, I figured out that by putting
Re: BGA Soldering: Hot air rework station
2007-10-07 by Jon Elson
... The problem with BGAs is there s no simple way to inspect the soldering, and absolutely no way to correct a bad joint. The pros use soft X-ray machines to
another toner transfer medium
2007-10-07 by David Griffith
I do a lot of ebay sales, and therefore I have label sheets (freebies from UPS) for printing mailing labels. A couple minutes ago, I printed something else,
Re: BGA Soldering: Hot air rework station
2007-10-05 by curt_rxr
... If you get everything lined up a toaster oven modified for reflow will work, but I ve had good luck using conductive glue:
Re: BGA Soldering: Hot air rework station
2007-10-05 by Stephanie Ann Thompson
Maddell is a company we frequently bought products from, they have a station you can buy for using a hot air gun for BGA rework
Re: BGA Soldering: Hot air rework station
2007-10-04 by electronut
Mark, Nice boards, I haven t seen anything like that before. There are also some that look like a small PCB board with pads just just for one IC (usually a
Re: BGA Soldering: Hot air rework station
2007-10-04 by electronut
Steph, Thanks for the excellent advice. It s really usefull for a hobbist like me (or others on this forum) to talk to someone who has done it professionally.
Re: [Homebrew_PCBs] Re: BGA Soldering: Hot air rework station
2007-10-04 by Leon
... From: electronut To: Sent: Thursday, October 04, 2007 8:59 PM Subject: [Homebrew_PCBs] Re: BGA
Re: BGA Soldering: Hot air rework station
2007-10-04 by electronut
Leon, Thanks for details. Can you share the name of the company that made the boards? Incidentally, I m also in UK (London). Btw., if you know several good
Re: [Homebrew_PCBs] Re: Solder Mask?
2007-10-04 by Mark Brueggemann
If I want that extra touch for homebrew PCB s (say, something used for a presentation) I ll use model candy spray paint (Testors). Candy green looks just
Re: [Homebrew_PCBs] Re: BGA Soldering: Hot air rework station
2007-10-04 by Mark Brueggemann
... Have you considered using some of the BGA adapter boards, and then routing your own treating the adapter board as an IC ?
Re: [Homebrew_PCBs] Re: BGA Soldering: Hot air rework station
2007-10-04 by Stefan Trethan
Kapton tape, i assume. ST
Re: BGA Soldering: Hot air rework station
2007-10-04 by Stephanie Ann Thompson
Sure thing. :) The machines I used to use were Summit 1200 and 1800 BGA stations. They had a fine adjustment for placement, and also used a prism system. Some
Re: [Homebrew_PCBs] Re: BGA Soldering: Hot air rework station
2007-10-04 by Leon
... From: Andrew To: Sent: Thursday, October 04, 2007 2:48 AM Subject: [Homebrew_PCBs] Re: BGA
Re: BGA Soldering: Hot air rework station
2007-10-04 by timbomcnuckle
, umn, I baked some freescale zigbee s at home in the kitchen oven a while back:(. I think they all worked but one or 2. In my tiny toaster I ve done all sorts
Re: BGA Soldering: Hot air rework station
2007-10-04 by Andrew
... Leon, was it the 863 or the 864 ? If it was the 864 - how hobbiest frinedly would you say they are ? (The 863 doesnt look too scarey)
Re: [Homebrew_PCBs] Re: DIPTrace (Was: PCB software)
2007-10-03 by Ross McKenzie
Now, that I did NOT know! Maybe it is time to revisit DipTrace. Thanks. Ross McKenzie ValuSoft Melbourne Australia
Re: DIPTrace (Was: PCB software)
2007-10-03 by Ted Bruce KX4OM
Dip Trace imports EAGLE libraries very well, too. Ted ... I hand ... much less
Re: Solder Mask?
2007-10-03 by Ted Bruce KX4OM
I did some tests using three types of resists; the results are in Ted-KX4OM in Photos. I tried Future Floor Finish, spar varnish, and PolyCrylic. All three
Re: [Homebrew_PCBs] Re: BGA Soldering: Hot air rework station
2007-10-03 by Leon
... From: electronut To: Sent: Wednesday, October 03, 2007 8:58 PM Subject: [Homebrew_PCBs] Re: BGA
Re: BGA Soldering: Hot air rework station
2007-10-03 by electronut
Thanks to all for the useful suggestions. Unfortunately I m stuck with BGAs for the FPGAs I want. Mark: I don t need to route all pins, only about 100 so I