Re: [Homebrew_PCBs] Re: How to make a PCB at home
2002-12-20 by Alexandre Souza
... an auction, but ... machine is ok ... hobbyist with limited ... I m very sorry if I don t understand what a laminator is. But seeing Don Lancaster
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Copper plating
2002-12-20 by twb8899 <twb8899@yahoo.com>
Adam s comments are correct concerning the use of a sulfuric acid based copper plating system. It will work even better if a brightner chemistry is added to
Re: Schematic Software
2002-12-20 by Bob Fitzgerald <newaag@yahoo.com>
... wrote: On Eagle board, the menu selection to hide layers is under View , then display/hide layers , then check
Re: [Homebrew_PCBs] carbon black
2002-12-20 by Adam Seychell
If I were you I d first get a good copper plating apparatus setup. Acetic is a terrible electrolyte for plating (I assume you have copper acetate in there to
Re: Schematic Software
2002-12-20 by workaholic_ro <workaholic@clujnapoca.ro>
It looks good and it s also friendly. Just display/hide the layers from view menu and you can print what you want. regards, work. P.S. The freeware is fully
Re: How to make a PCB at home
2002-12-19 by workaholic_ro <workaholic@clujnapoca.ro>
This could be an interesting link for you: http://www.techniks.com/ I personally don t use their method, I prefere a film printed by an image setter and screen
carbon black
2002-12-19 by dsv1486 <darrell.vandenberg@telus.com>
Ok I have just joined this group and was reading the various topics. One that has intrigued me was the plating through the circuit board hole method using
Re: [Homebrew_PCBs] Re: FR-4 and G-10 Laminates
2002-12-19 by JanRwl@AOL.COM
In a message dated 12/18/2002 8:06:24 AM Central Standard Time, ... made. A very admirable attitude, Tom! And if 10% of the professionals like you had that
Re: FR-4 and G-10 Laminates
2002-12-18 by twb8899 <twb8899@yahoo.com>
Jan, We purchased laminate in 36 x48 sheets and 18 x24 panels. These were then cut down to the needed size. Even with lots of planning we ended up with a
Re: [Homebrew_PCBs] FR-4 and G-10 Laminates
2002-12-18 by JanRwl@AOL.COM
In a message dated 12/17/2002 6:05:09 PM Central Standard Time, ... Thanks, Tom! I had only kinda GUESSED the diff was about what you say. GOOD to know
Re: How to make a PCB at home
2002-12-18 by Bob Fitzgerald <newaag@yahoo.com>
... Me too. Thanks for taking the time to go through the process and explain the equipment, it is quite interesting to see how one does it with the proper
Re: Schematic Software
2002-12-18 by Bob Fitzgerald <newaag@yahoo.com>
You may have seen this one already http://www.cadsoft.de/freeware.htm It is really good for freeware. Just use the schematic part if that s all you need. Once
Re: [Homebrew_PCBs] Dry Film and Photoplotters
2002-12-18 by Russell
... Reversing the plunger in a bicycle pump might do suction too.
Re: [Homebrew_PCBs] Dry Film and Photoplotters
2002-12-18 by Russell
... Reversing the plunger in a bicycle bump might do suction too.
Re: [Homebrew_PCBs] Dry Film and Photoplotters
2002-12-18 by Russell
... I got a small (15cm cubed box) diaphram pump that would be ideal for sucking bags. I got it for $10 at a sunday market. I know a junk shop that has more...
Dry Film and Photoplotters
2002-12-18 by twb8899 <twb8899@yahoo.com>
Adam, Bill s idea with the T shirt press is something to look into. Anything that can apply heat and moderate pressure can be used for dry film lamination. I
FR-4 and G-10 Laminates
2002-12-18 by twb8899 <twb8899@yahoo.com>
Jan, The difference between G-10 and FR-4 is minimal and has to do with flammability. G-10 is not self extinguishing in a vertical flame test while FR-4 is. A
Re: [Homebrew_PCBs] Re: How to make a PCB at home
2002-12-17 by Bill Higdon
How about using a T shirt press? you know the items used to apply decorative heat transfers to t shirts. Bill Higdon
Re: [Homebrew_PCBs] Re: How to make a PCB at home
2002-12-17 by Adam Seychell
Hi Tom ... I am wondering how you apply the dry film. I have a lot (30 meters x 16 roll) of dry film at home for making PCB s. Its excellent to use once it
Re: [Homebrew_PCBs] Re: How to make a PCB at home
2002-12-17 by JanRwl@AOL.COM
Can someone who know please explain the main difference between (apparently older) G-10 and (apparently currently-used) FR-4? Thanks. Jan Rowland
Re: How to make a PCB at home
2002-12-17 by twb8899 <twb8899@yahoo.com>
Bob, Most of my boards are rather simple and single sided. I use dry film photo resist on FR-4 (glass epoxy) and CEM-1 (paper base)laminates. These boards are
Re: [Homebrew_PCBs] Re: Schematic Software
2002-12-17 by James Owens
Hi, This is the one I use and find it very easy but I must admit it is also the only one I have ever used. If you register it the email backup for any problems
Re: [Homebrew_PCBs] Re: Schematic Software
2002-12-17 by JanRwl@AOL.COM
In a message dated 12/17/2002 8:41:25 AM Central Standard Time, ... I got this, too. It seems amazing, but HOW can you print a camera-ready copy? It
Re: Schematic Software
2002-12-17 by Dave Mucha <dave_mucha@yahoo.com>
Hi Steve, if you are still looking for a simple schematic program, try ExpressPCB. the latestest version has a schematic side. I just got it, so cannot
PC saws( Was Re: plated through holes
2002-12-17 by Dave Mucha <dave_mucha@yahoo.com>
Hi Jan, some choices are diamond saws and your big clunky chop saw. my chop saw has a sever wobble and will not do any fine work so it is OK for roughing big
Re: How to make a PCB at home
2002-12-16 by Bob Fitzgerald <newaag@yahoo.com>
Tom - Thanks. As you can see, I m not to savvy about how the pros do it. I would imagine this process needs a very good negative. Do you use a laser or inkjet
Re: How to make a PCB at home
2002-12-15 by twb8899 <twb8899@yahoo.com>
Bob, Dry film photo resist is laminated to the panel using a hot roll laminator. The dry film resist that I use is .0015 thick and is developed in a 1% sodium
Re: How to make a PCB at home
2002-12-15 by tedinoue <ted@soleburymountain.com>
The boards I use are branded: Ever-Muse. I believe that I bought them from this web site: http://www.web-tronics.com
Re: How to make a PCB at home
2002-12-15 by Bob Fitzgerald <newaag@yahoo.com>
What is the technique with dryfilm resist? It sounds like it is laminated to the boards with heat? I just bought a dry mount press so I m interested. I assume
Re: How to make a PCB at home
2002-12-15 by twb8899 <twb8899@yahoo.com>
I can help anyone interested in blank boards with dryfilm photoresist. I have a laminator and plenty of dryfilm resist on hand. Also have a photoplotter that
Re: [Homebrew_PCBs] Re: How to make a PCB at home
2002-12-14 by Matt Lorenz
can you share more information about where to purchase these photo boards. do you have to keep the boards in the dark same as photography? do you have to
Re: How to make a PCB at home
2002-12-14 by tedinoue <ted@soleburymountain.com>
What led to the failures? I m a novice at home PCB etching but had very good success with photo-transfer. I purchased pre-sensitized PCB s then printed my PCB
Re: How to make a PCB at home
2002-12-13 by Jan Rowland <JanRwl@AOL.COM>
... Sal: Steve tells me HE has given up trying to post in the PHOTOS section, and suggests I put the photo of my Home Brew CNC PCB Drill in the FILES section,
How to make a PCB at home
2002-12-13 by Salam <salamgobran@hotmail.com>
what is the best way to produce a PCB out of a layout on the PC at home ?? i tried a lot and failed a lot
Re: [Homebrew_PCBs] via inserts?
2002-12-13 by JanRwl@AOL.COM
In a message dated 12/12/2002 5:15:29 AM Central Standard Time, ... Yes, Les, it seems logical that it should, but it doesn t! Perhaps due to the difference
Re: [Homebrew_PCBs] via inserts?
2002-12-13 by JanRwl@AOL.COM
In a message dated 12/12/2002 4:50:56 AM Central Standard Time, ... NO need to apologize! KNOW whatcha mean about door-stops! Trouble is, if you even just
Re: [Homebrew_PCBs] via inserts?
2002-12-12 by Dwayne Reid
... I use machined pin sockets for those - the pins extend out the bottom of the socket and allow easy soldering of the top-side traces. Sockets manufactured
Re: [Homebrew_PCBs] via inserts?
2002-12-12 by James Owens
Hi Jan, I know what you mean about the Farnell website, sometimes I wonder if the do them that way to chase away business. There is nothing that will annoy me
Re: [Homebrew_PCBs] via inserts?
2002-12-12 by Les Newell
Click on the flag for your country. It will then take you to the catalogue. Les ... From: To: Sent: Thursday,
Re: [Homebrew_PCBs] via inserts?
2002-12-12 by Russell
... I solder a piece of 0.1mm enamelled magnet wire onto the pad and thru the hole. The solder bump can be made low enough to fit under smd ICs. The enamel is
Re: [Homebrew_PCBs] via inserts?
2002-12-12 by JanRwl@AOL.COM
In a message dated 12/11/2002 9:37:39 PM Central Standard Time, ... Yes, as do we, as well! But what do you do under an IC-socket ??? Eyelets are virtually
Re: [Homebrew_PCBs] via inserts?
2002-12-12 by JanRwl@AOL.COM
In a message dated 12/11/2002 7:04:02 PM Central Standard Time, ... Terry! WENT there, but see only many flags and Farnell adddresses (contacts) in many
Re: Plated through holes
2002-12-12 by adam_seychell <adam_seychell@yahoo.com.a
... That s kind of correct. The boards are drilled and then immersed in to a conditioner solution A monolayer of long chain molecules are adsorbed to the
Re: [Homebrew_PCBs] via inserts?
2002-12-12 by JanRwl@AOL.COM
In a message dated 12/11/2002 11:04:05 AM Central Standard Time, ... Perhaps for the individual who does relatively LITTLE double-sided PCB work! I had bought
Re: [Homebrew_PCBs] Solder plating thickness
2002-12-12 by JanRwl@AOL.COM
In a message dated 12/11/2002 9:09:09 AM Central Standard Time, ... Yes, and wasn t it the commander of Apollo 13 who mentioned to his capsule-mate, It should
Re: [Homebrew_PCBs] via inserts?
2002-12-12 by Russell
... Rivets are just too big and tedious. I just solder leaded components on both sides whenever i need to.
Re: [Homebrew_PCBs] via inserts?
2002-12-12 by James Owens
If you go to www.farnell.com you will find a similar item in their catalogue. Regards, Terry ... From: David Saum To: Homebrew_PCBs@yahoogroups.com Sent:
via inserts?
2002-12-11 by David Saum
What are you folks using for via inserts on homebrew double sided boards? I had some Mill-Max http://www.mill-max.com 0566-2-15-15-21-14-10-0 or
Solder plating thickness
2002-12-11 by twb8899 <twb8899@yahoo.com>
Jan, The solder plating really is about .0003 thick. Not much is needed and everyone kind of cheats on that. We rarely measured the final thickness of the
Re: [Homebrew_PCBs] Re: plated through holes
2002-12-11 by Russell
... The main reason i m interested in PTH is for joining to inner layers of multilayer boards when i eventually get something working.