Re: Anyone make PCB for others ?
2012-11-19 by herpsrwe
Tram / Diamond Corporation closed many years ago... Parts are no longer available for the Meter or the Sensor... Yes, I wish to have this particular meter
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Re: Kepping Your Etchant Good? Multiple Use? Muriatic Acid / H2O2
2012-11-18 by smilingcat90254
to be on a safe side, don t let any kind of metal come into contact with H2O2. You can also get reasonable concentration by just putting into your regular
Re: [Homebrew_PCBs] Old FeCl3 Still Good?
2012-11-18 by Leon Heller
... It should be OK. Leon -- Leon Heller G1HSM
Re: [Homebrew_PCBs] Re: Kepping Your Etchant Good? Multiple Use? Muriatic Acid / H2O2
2012-11-18 by Harvey White
... The metal is platinum, IIRC. Good reason to avoid using platinum tools when you make PC boards...... Harvey
Re: [Homebrew_PCBs] Re: Anyone make PCB for others ?
2012-11-18 by Harvey White
... That dates it, and allows you to use more or less modern parts, except for the tubes and sockets. ... You are asking for something a bit substantial, in a
Old FeCl3 Still Good?
2012-11-18 by mark@ka6wke.net
I have about 2 gallons of the stuff that s been stored in the dark for about 10 years. Wondering if it s still good? By dark I mean in a closed cabinet inside
Re: Kepping Your Etchant Good? Multiple Use? Muriatic Acid / H2O2
2012-11-18 by AlienRelics
Yes, keep in mind that the rocket backpack used in the 007 movie uses nothing but concentrated hydrogen peroxide. It hits a mesh of metal and instantly turns
Re: Anyone make PCB for others ?
2012-11-18 by AlienRelics
... I ve seen the schematic, it is the sensor head for an SWR meter. If you mean a protoboard, those are not well suited to RF work due to the rather high
Re: Kepping Your Etchant Good? Multiple Use? Muriatic Acid / H2O2
2012-11-18 by AlienRelics
Adam Seychall s page is back. There is also a PDF backup of it in the Files section under Etchants. http://members.optusnet.com.au/~eseychell/PCB/etching_CuCl/
Re: Anyone make PCB for others ?
2012-11-18 by herpsrwe
I apologise for my lack of electronics knowledge... The reason I am here... I am in the USA, in Massachusetts. The circuit design is circa 1978. Through hole
Re: [Homebrew_PCBs] Re: Kepping Your Etchant Good? Multiple Use? Muriatic Acid / H2O2
2012-11-18 by John Anhalt
Not quite that simple. You do have to add HCl occasionally to provide chloride ion. When I switched from ferric chloride, I started with copper (II) chloride
Re: Kepping Your Etchant Good? Multiple Use? Muriatic Acid / H2O2
2012-11-18 by Dave Sage
FYI If you are using the Muriatic Acid /H2O2 formulation correctly you never need to add more H2O2. Somewhere along the way the original intent of this
Re: Anyone make PCB for others ?
2012-11-18 by tda7000
It would probably help if you gave more information, like what country you are in and more details of the PCB you want, how many layers, what kind of
Re: [Homebrew_PCBs] Re: Kepping Your Etchant Good? Multiple Use? Muriatic Acid / H2O2
2012-11-18 by John Anhalt
@dubob4432 The percentages you give for hydrogen peroxide used to bleach hair are called volume strength . Volume strength refers to the volume of oxygen
Re: Kepping Your Etchant Good? Multiple Use? Muriatic Acid / H2O2
2012-11-18 by dubob4432
Thanks for the clarification :) Bob
Re: [Homebrew_PCBs] Re: Kepping Your Etchant Good? Multiple Use? Muriatic Acid / H2O2
2012-11-18 by Norm
... Beauty shop H2O2 is 10 - 20 - 30 VOLUME, not %. It works out to 6 - 9 - 12 % Norm [Non-text portions of this message have been removed]
Re: [Homebrew_PCBs] Anyone make PCB for others ?
2012-11-18 by Duane C. Johnson
... Since you only want to make 1, why not construct it using a plug board. ... Duane -- Home of the $35 Solar Tracker Receiver
Re: Kepping Your Etchant Good? Multiple Use? Muriatic Acid / H2O2
2012-11-18 by dubob4432
since hair dye uses hydrogen peroxide in 10%, 20% and 30% strengths, would this be a better way to go? reason i ask is because the only freezer i have is a
Re: [Homebrew_PCBs] Re: Kepping Your Etchant Good? Multiple Use? Muriatic Acid / H2O2
2012-11-14 by Kevin Byrne
At the hard ware store today. TSP solution off the shelf. Thanks to your E-Mails bathe in the future. Best Kevin ________________________________ From:
Re: [Homebrew_PCBs] Re: Need More Heat - GBC Laminator (pics included)
2012-11-13 by DJ Delorie
... You need the copper to be super *oil free* - i.e. keep your grubby fingerprints off it! You normally don t need to make the copper shiny or remove the
Re: Kepping Your Etchant Good? Multiple Use? Muriatic Acid / H2O2
2012-11-13 by dubob4432
Thanks for the info, on the hunt for a dark plastic bottle. Bob
Re: Kepping Your Etchant Good? Multiple Use? Muriatic Acid / H2O2
2012-11-13 by smilingcat90254
You can purify 3% (drugstore grade of H2O2) by placing the H2O2 solution in a dark plastic bottle. No grease or other organic except the plastic and definitely
Re: Need More Heat - GBC Laminator (pics included)
2012-11-13 by bebx2000
I always thought the copper needed to be super clean, but now I just use Scotch-Brite to give the surface a little tooth and CitraSolv concentrate. CitraSolv
Re: [Homebrew_PCBs] Re: Need More Heat - GBC Laminator (pics included)
2012-11-12 by Kevin Byrne
= Found TSP on E-Bay, add for Lowes and add for technical grade thru E-Bay. Have letter scale and could use exact weight in grams if possible. I have .94mm
Re: [Homebrew_PCBs] Re: TSP
2012-11-12 by Kevin Byrne
Thank you for the info and quick reply. I will print it for studys. Best Kevin ________________________________ From: Roland F. Harriston
Re: Need More Heat - GBC Laminator (pics included)
2012-11-12 by smilingcat90254
TSP (Trisodium phosphate) can be had at Home Depot, Lowes or any paint shop. It is a very strong degreaser with good wetting characteristics. only need about
RE: [Homebrew_PCBs] Re: Need More Heat - GBC Laminator (pics included)
2012-11-12 by Andrew Volk
I found TSP at my local hardware store (Ace Hardware in my case) in a small plastic tub. From: Homebrew_PCBs@yahoogroups.com
Re: [Homebrew_PCBs] Re: TSP
2012-11-12 by Roland F. Harriston
*From WIKI: * * Trisodium phosphate* (TSP, E339) is a cleaning agent, food additive, stain remover and degreaser . It
Re: [Homebrew_PCBs] Re: Need More Heat - GBC Laminator (pics included)
2012-11-12 by Kevin Byrne
What is the ingredients of TSP Solution as I need that to go to drug store? Thanks Kevin ________________________________ From: tda7000
Re: [Homebrew_PCBs] Re: Need More Heat - GBC Laminator (pics included)
2012-11-12 by Kevin Byrne
What is the thickness of the copper clad boards of this project talk as I have been studying a different GBC Laminator of pulsar pro product number. I need
Re: Need More Heat - GBC Laminator (pics included)
2012-11-12 by tda7000
I get the white residue when using magazine paper. You won t get it if you use proper transfer paper. It doesn t make a difference to the board, just looks
Re: [Homebrew_PCBs] Re: Need More Heat - GBC Laminator (pics included)
2012-11-12 by Mitch Davis
On Mon, Nov 12, 2012 at 2:04 AM, smilingcat90254 ... Interesting post Mr. Cat. Some people say don t use steel wool, as traces of iron will stay embedded in
Re: [Homebrew_PCBs] Re: Need More Heat - GBC Laminator (pics included)
2012-11-12 by DJ Delorie
The trick to toner transfer is to get all the toner hot enough to become sticky but not hot enough to actually melt. There s a small range of temperatures
Re: Need More Heat - GBC Laminator (pics included)
2012-11-12 by dubob4432
Maybe I will remove the paper like you describe and then heat up the toner w/ hot air?
Re: [Homebrew_PCBs] Re: Need More Heat - GBC Laminator (pics included)
2012-11-12 by Spencer
Mine do that also, after I remove the paper when it is done soaking. I rub my fingers over the traces underneath running water just to get rid of the paper
Re: Need More Heat - GBC Laminator (pics included)
2012-11-12 by dubob4432
Maybe I am using too much heat - I prep as you recommend and once done, I put the piece in water and let the paper come off. Once it dries, the traces are
Re: Need More Heat - GBC Laminator (pics included)
2012-11-12 by dubob4432
Is that this - http://www.bnkz.com/GBC/Laminator004.jpg In there is one of these - http://www.daewood.com.hk/en/productdetail.asp?id=126&sortid=237&pid=
Re: Need More Heat - GBC Laminator (pics included)
2012-11-11 by John
Perhaps a little fiberglass insulation between the sensor & heat source? ... close but probably another 10-20C would be what I need (ability to adjust would be
RE: [Homebrew_PCBs] Re: Need More Heat - GBC Laminator (pics included)
2012-11-11 by Jeff Heiss
There is photoresist available on ebay. DuPont Riston costs $2.20 per square foot for example (item number 170919606000). An average board size for me is
Re: Need More Heat - GBC Laminator (pics included)
2012-11-11 by smilingcat90254
I ve been using a thermal press with direct temperature read out on the aluminum heat plate. I can set temperature and pressure on the thermal press. HP toner
Re: Need More Heat - GBC Laminator (pics included)
2012-11-11 by RDHeiliger
Insulating the snap switch (temperature switch) from the aluminum heater bars will raise the temperature. On mine the snap switch is held on by a screw, put a
Re: Need More Heat - GBC Laminator (pics included)
2012-11-11 by tda7000
The easiest way would probably be just to replace the thermostat with a higher temperature one, like the process here:
Need More Heat - GBC Laminator (pics included)
2012-11-10 by dubob4432
Hello, I need to get a bit more heat out of this GBC Creative Laminator. Very close but probably another 10-20C would be what I need (ability to adjust would
Re: Anyone tried Xerox Phaser 3010 / 3040 for toner transfer?
2012-10-29 by AlienRelics
Sounds possible. Can you maybe get a test print off of it to try? Xerox-exclusive EA Toner fuses at a much lower temperature than conventional toner for more
Anyone tried Xerox Phaser 3010 / 3040 for toner transfer?
2012-10-28 by Jan Vorlicek
I just got a chance to buy the Xerox Phaser 3010 laser printer with 1200x1200 DPI for a discounted price. Has anyone tried to use it for toner transfer yet?
Re: [Homebrew_PCBs] Re: Kepping Your Etchant Good? Multiple Use? Muriatic Acid / H2O2
2012-10-28 by kabowers@NorthState.net
... I ll try to come up with one in the next day or two. Keith Bowers WB4LSJ- Thomasville, NC
Re: [Homebrew_PCBs] Re: Kepping Your Etchant Good? Multiple Use? Muriatic Acid / H2O2
2012-10-28 by Mitch Davis
... Interesting. Do you have a pic online we can have a look at? Mitch.
Re: [Homebrew_PCBs] Re: Kepping Your Etchant Good? Multiple Use? Muriatic Acid / H2O2
2012-10-28 by kabowers@NorthState.net
... I made a bubbler for use in a plastic storage bottle. Started with 12 of 1/2 CPVC tubing and two CPVC end caps. I first drilled a bunch of #60 holes
Re: [Homebrew_PCBs] Re: Kepping Your Etchant Good? Multiple Use? Muriatic Acid / H2O2
2012-10-28 by Harvey White
... Yes, exactly that. You want a plastic air stone, not a porous stone, because the acid attacks that stone. Not sure about this plastic, but there are
Re: Kepping Your Etchant Good? Multiple Use? Muriatic Acid / H2O2
2012-10-28 by dubob4432
Thanks, off to order a fish tank pump...