Re: BGA Soldering: Hot air rework station
2007-10-03 by electronut
Stephanie, the parts I m looking at are about BGAs with 400-500 balls. You seem to know a lot more than me about the process. Any tips you can share are much
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Re: Solder Mask?
2007-10-03 by Ben
... with ... Walmart ... be ... I use Clear Lacquer Spray, get it in the paint dept of whatever Home Improvement Store you have in your area. I also do
Re: BGA Soldering: Hot air rework station
2007-10-03 by Stephanie Ann Thompson
I don t believe a simple hot air gun setup will work for a BGA part with 500 pads. You need to preheat the board, and use a bottom heater to ramp up the heat
Re: [Homebrew_PCBs] Re: BGA Soldering: Hot air rework station
2007-10-03 by Mark Brueggemann
... Never mind getting them soldered down, it s getting a PWB laid out that s the PITA. Commercial board houses do it all the time but I can t think of any
Re: BGA Soldering: Hot air rework station
2007-10-03 by pgdion1
... Personally, I avoid BGA s like the plague, even for work. Unless I need all of the IO pins, I stick to other packages. BGA s can be difficult to solder
Re: [Homebrew_PCBs] Re: creative use for PCBs
2007-10-03 by Stefan Trethan
It s used in german for any rechargeable battery, that s why it hasn t gone away completely. ST
Re: [Homebrew_PCBs] BGA Soldering: Hot air rework station
2007-10-03 by Leon
... From: electronut To: Sent: Tuesday, October 02, 2007 7:52 PM Subject: [Homebrew_PCBs] BGA
Re: BGA Soldering: Hot air rework station
2007-10-03 by timbomcnuckle
hey!, I haven t used a hot-air station yet but I have done the over-reflow a bunch fo times and I would take the time investment into making your own rather
Re: [Homebrew_PCBs] BGA Soldering: Hot air rework station
2007-10-03 by Harvey White
... That s ok, and presumably they don t come in PLCC carriers (a shame), but you might not want to use BGA s simply because of the soldering problem. Any
Re: [Homebrew_PCBs] BGA Soldering: Hot air rework station
2007-10-02 by Norm Carlberg
I also would like to prototype BGA s. .review of the (dirt cheap) Aoyue hot air station http://www.picbasic.org/forum/showthread.php?t=7948 A hot plate may
BGA Soldering: Hot air rework station
2007-10-02 by electronut
Recently, I started making electronic circuits as a hobby and now I want to do more complex stuff like FPGAs. For that I need to solder BGAs. I m considering
Re: Resizing a PCB?
2007-10-02 by Andrew
... 4.25 / 4 = about 7% smaller. As long as there are no quad sided surface mount ICs and that any DIP ICs run perpendicular to the long edge - then just
Re: [Homebrew_PCBs] Solder Mask?
2007-10-01 by keith
... As an aftercoat you might try some of the spray clearcoat that Walmart sells in the automotive section (assuming you are inthe US). It shold be tougher
Re: [Homebrew_PCBs] Resizing a PCB?
2007-10-01 by Leon
... From: Steven To: Sent: Monday, October 01, 2007 1:33 AM Subject: [Homebrew_PCBs] Resizing a
Re: [Homebrew_PCBs] Solder Mask?
2007-10-01 by DJ Delorie
... I ve been using Liquid Tin from MG, the board in that photo is one example.
Re: [Homebrew_PCBs] Solder Mask?
2007-10-01 by JanRwl@AOL.COM
In a message dated 9/30/2007 8:57:48 P.M. Central Daylight Time, rottenrobbie0@yahoo.com writes: My interest is in a coating that protect the copper from
Re: [Homebrew_PCBs] Solder Mask?
2007-10-01 by JanRwl@AOL.COM
In a message dated 9/30/2007 8:57:48 P.M. Central Daylight Time, rottenrobbie0@yahoo.com writes: My interest is in a coating that protect the copper from
Re: [Homebrew_PCBs] Solder Mask?
2007-10-01 by David Griffith
... How about plating the copper with Kool-Amp silverplating powder? I ve also seen transparent enamel sprays used (like candy-apple green). -- David Griffith
Re: [Homebrew_PCBs] Solder Mask?
2007-10-01 by Bob Macklin
My interest is in a coating that protect the copper from oxidation with age. I don t have a provlem soldering. Bob Macklin Kent, Wa.
Re: [Homebrew_PCBs] Solder Mask?
2007-10-01 by DJ Delorie
... Toner s plastic and, I think, carbon. I tested a sample and no, it doesn t seem to conduct. However, it s also not heat resistant. See:
DIPTrace (Was: PCB software)
2007-10-01 by phildimond
Phil (from Phil).. I want to thank you for that note. I d vaguely heard of DIPtrace, but never hard anything about it. I ve tried a bunch of PCB packages,
Re: [Homebrew_PCBs] Resizing a PCB?
2007-10-01 by Ross McKenzie
Hi Steven. You say the original is 3 by 4.25 or 12.75 square inches. The new is 4 by 4 or 16 square inches....more space. What is the problem? OK, assuming
Resizing a PCB?
2007-10-01 by Steven
I m sure this is a fairly basic question, but I was given a PCB layout to etch that is about 3 tall and 4.25 wide. I ve just found out that I need the PCB
RE: [Homebrew_PCBs] Re: creative use for PCBs
2007-09-30 by Tony Smith
... It s a very old term, certainly older than cars! I haven t heard it for years. It means anything that ll store a charge, such as lead-acid car batteries.
Re: [Homebrew_PCBs] Re: creative use for PCBs
2007-09-30 by Jennynj1975@aol.com
In a message dated 9/29/2007 1:16:23 P.M. Eastern Daylight Time, ... Gosh, do people still call them that? Tony I have never heard that term before, you are
RE: [Homebrew_PCBs] Re: creative use for PCBs
2007-09-30 by Tony Smith
... You re absolutely right. Sucking tea from the corner of a blanket after (or even during) a successful break-in would be just wrong, a towel it is. Tony
Solder Mask?
2007-09-29 by Bob Macklin
Is the etching mask created from a laser printer conductive? Could the same process be used to create a solder mask. I don t have a laser printer so I cannot
Re: creative use for PCBs
2007-09-29 by Andrew
... isn t it towels ? There is a hoopy frood that really knows wher his blanket is. Does not quite work.
RE: [Homebrew_PCBs] Re: creative use for PCBs
2007-09-29 by Tony Smith
... Gosh, do people still call them that? Tony
Re: [Homebrew_PCBs] Re: creative use for PCBs
2007-09-29 by lists
In article , ... I would guess at accumulators - as in lead-acid - batteries
RE: [Homebrew_PCBs] Re: creative use for PCBs
2007-09-29 by Tony Smith
... Accus? Tony
RE: [Homebrew_PCBs] Re: creative use for PCBs
2007-09-29 by Tony Smith
... Mythbusters tried that too. Didn t work all that well, by the time they stuffed about getting the suit on it had heated up. Then there was the problem
RE: [Homebrew_PCBs] Re: creative use for PCBs
2007-09-29 by Tony Smith
... What multiple reflection paths? Bounce of the wall behind the person, hit the person, bounce back to the wall and back to the sensor? Right. I guess that
Re: Newbe
2007-09-29 by jrrymiller
Also do not forget ebay. Many parts come up at reasonable prices. Some of the modern cmos ic s have amazing capabilities. Also test equipment auctions provide
Re: creative use for PCBs and why we're here
2007-09-28 by garydeal
... I came here looking for information on etching, for an unrelated industry. Thus far I ve made one (1) board, to make use of the voltage ref chip that
Re: [Homebrew_PCBs] Newbe
2007-09-28 by Harvey White
... Collect old hard drives, old PC cards, dead motherboards. You should find some parts. However, the older the larger, and good luck on getting an
Re: [Homebrew_PCBs] Newbe
2007-09-28 by lists
In article , ... And don t forget CPC - part of the Farnell group. A year or so I bought from them a resistor kit - 100
Re: [Homebrew_PCBs] Newbe
2007-09-28 by chuck richards
B.G. Micro in Texas is another fine source of ICs. They are a small friendly outfit, and they stock a lot of items, and they are often less expensive than
Re: [Homebrew_PCBs] Newbe
2007-09-28 by Leon
... From: NJ To: Sent: Friday, September 28, 2007 2:27 PM Subject: [Homebrew_PCBs] Newbe ... Depends where
Re: [Homebrew_PCBs] Newbe
2007-09-28 by Bryan Pope
... Don t forget Jameco! Another supplier which I have used quite a bit is Unicorn Electronics. Cheers, Bryan
Re: [Homebrew_PCBs] Newbe
2007-09-28 by DJ Delorie
... www.vakits.com ... I use digikey or mouser.
Re: [Homebrew_PCBs] Newbe
2007-09-28 by Mike
Hello Ned, I ve had good service from either DigiKey or Mouser. Both have an extensive catalogue of the parts you are asking info. on. Usually, I can order
Newbe
2007-09-28 by NJ
I m just getting back into construction after many years. Don t have any junk boxes. No now time to accumulate them. Plans for constructing SMD boards. Does
Re: [Homebrew_PCBs] Re: PCB software
2007-09-27 by Myc Holmes
same here, best pcb package ever ditto! Version1.40 is amazing but I ve been saying that for the last three years. ... Myc ... [Non-text portions of this
Re: [Homebrew_PCBs] Re: PCB software
2007-09-27 by Lez
... same here, best pcb package ever.
Re: PCB software
2007-09-27 by pgdion1
I use DipTrace. I really like it a lot for both schematic capture and routing. A couple of things took a little getting used to or searching to find but
Re: creative use for PCBs
2007-09-27 by pgdion1
Mostly I make pcb s on the hobby side. Some RF stuff (I m a HAM), some fun things, lots of test type equipment. The pcb s are way easier and a lot more fun to
Re: [Homebrew_PCBs] Re: Eagle software users - a must read.
2007-09-27 by Leon
... From: eagle25s To: Sent: Thursday, September 27, 2007 6:29 PM Subject: [Homebrew_PCBs] Re: Eagle
Re: [Homebrew_PCBs] Re: Eagle software users - a must read.
2007-09-27 by Jennynj1975@aol.com
In a message dated 9/27/2007 1:35:13 P.M. Eastern Daylight Time, eagle25s@yahoo.com writes: Try this link and read the 5th message.
Re: [Homebrew_PCBs] Re: Eagle software users - a must read.
2007-09-27 by haroldo gamal
There are some solutions people can try. It is possible to export the file as ulp commands. In this way, the generated command can be read on the another