RE: [Homebrew_PCBs] Heated etchant rocks!
2007-05-19 by Tony Smith
... The small one I saw had the stirrer run off the airflow. I suppose that would clog up the bearing eventually. Makes sense that they d work better, fewer
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Re: [Homebrew_PCBs] Heated etchant rocks!
2007-05-19 by Stefan Trethan
On Sat, 19 May 2007 10:31:53 +0200, Tony Smith ... I have seen three with stirrers, usually the larger ones have them but i also have
RE: [Homebrew_PCBs] Heated etchant rocks!
2007-05-19 by Tony Smith
... The ones without a turntable have what s called a stirrer up the top. It s just metal fan in front of the magnetron that bounces the waves around. I ve
RE: [Homebrew_PCBs] Heated etchant rocks!
2007-05-19 by Tony Smith
... Out of dozens of microwaves I ve scavenged, all but one would have worked with minor repairs. The exception had a shorted transformer. Sparks!!! The rest
Re: [Homebrew_PCBs] Heated etchant rocks!
2007-05-19 by Stefan Trethan
On Sat, 19 May 2007 08:08:10 +0200, Adam Seychell ... HCl has a very low boiling point. Even under the boiling point fuming is much increased (look at a cup of
Re: [Homebrew_PCBs] Heated etchant rocks!
2007-05-19 by Adam Seychell
... True. The HCl fumes from CuCl etchants are very corrosive. Although FeCl3 does have a tiny bit of HCl, its fumes are much less.
Re: [Homebrew_PCBs] Heated etchant rocks!
2007-05-19 by Stefan Trethan
So what? If you notice corrosion you can just bring the oven back to the junk place and take another with you. (Keep the transformer if you don t have a
Re: [Homebrew_PCBs] Heated etchant rocks!
2007-05-19 by Roland F. Harriston
I hate make harsh comments on any public forum, but I think that heating ferric chloride in a microwave oven is sheer insanity. The outgassing of fumes will
Re: [Homebrew_PCBs] Heated etchant rocks!
2007-05-18 by Bryan Pope
... So aeration is not the same as having bubbles in the etchant? ... That sounds like it makes it harder for the walls to stay put.... ! Cheers, Bryan
Re: [Homebrew_PCBs] Heated etchant rocks!
2007-05-18 by Adam Seychell
... I too use the full strength FeCl3, but I don t think that will make it less conductive. My oven has a turntable, so maybe that makes all the difference. It
Re: [Homebrew_PCBs] Heated etchant rocks!
2007-05-18 by Jan Kok
... Weird, I had the exact opposite experience. I put a 16 oz bottle of fairly fresh FeCl3 in a microwave (with no turntable). Within a couple seconds of
Re: [Homebrew_PCBs] Heated etchant rocks!
2007-05-18 by DJ Delorie
... I m pretty sure my wife wouldn t like that. I got used to the hot water bath technique when the kids were babies and we had to warm up their bottles. It
Re: [Homebrew_PCBs] Heated etchant rocks!
2007-05-18 by Dale Chatham
Submersible aquarium heaters work quite well. submersible pumps work well also. Aeration creates aerosols that you probably don t work. I etched the heads
Re: [Homebrew_PCBs] Heated etchant rocks!
2007-05-18 by Adam Seychell
... I put the FeCl3 etchant directly in the microwave oven. Much more efficient in both time and energy. Strangely, the liquid does not seem to be conductive
Re: [Homebrew_PCBs] Heated etchant rocks!
2007-05-18 by Roland F. Harriston
Basic: All chemical reactions are speeded up under heating. Most Pro etch machines have heaters. Roland F. Harriston *******************
Heated etchant rocks!
2007-05-18 by DJ Delorie
Today I remembered to heat my etchant. I just ran hot tap water into a large container, and floated the FeCl container in it. Although it had cooled some (the
Re: Sharing my success and lessons learned
2007-05-18 by Bob_xyz
... need ... ... It s even easier if Eagle has a print option to draw the pads with an open center. The exposed PCB material in the middle of the pad
Sharing my success and lessons learned
2007-05-17 by Curtis Pope
I just wanted to share my recent success and lessons learned. I need to make my first PCB which takes a passive RFID reader IC and integrates it with a PIC,
Re: C84 Conversion
2007-05-16 by Paul Sturpe
... is ... I ... me ... and ... to ... I ... printer ... Thanks, I finally found the sensor, hidden as you suggested. Now I am ready to start working on the
Re: [Homebrew_PCBs] Re: Copper clad
2007-05-15 by Roland F. Harriston
IF I recall correctly, at one time this material was called G-10 Epoxy . Roland F. Harriston *******************
Re: [Homebrew_PCBs] Re: Copper clad
2007-05-15 by guja
http://en.wikipedia.org/wiki/FR4 ... It stands for Fire Resistant grade 4 , or something like that and it is the common name for the fibreglass board in high-
Re: Copper clad
2007-05-15 by Len Warner
... It stands for Fire Resistant grade 4 , or something like that and it is the common name for the fibreglass board in high- quality copper-clad printed
Re: Hammermill 163020 for TT
2007-05-15 by izzo47
I finally got around to trying that paper too. YES, it is real good, and the ease of it peeling off the pcd is night-and-day. The Staples Photo paper, more
Re: [Homebrew_PCBs] Copper clad
2007-05-15 by Leon
... From: To: Sent: Tuesday, May 15, 2007 7:52 AM Subject: Re: [Homebrew_PCBs] Copper clad ... Standard
Re: [Homebrew_PCBs] Copper clad
2007-05-15 by kevinmwolf@aol.com
I m sorry- But what exactly is FR4?? -k ... From: cnc@glocalnet.net To: Homebrew_PCBs@yahoogroups.com Sent: Mon, 14 May 2007 6:32 AM Subject: [Homebrew_PCBs]
Re: [Homebrew_PCBs] re-lettering keyboards
2007-05-15 by Russell Shaw
... If you have a Brother P-Touch labeller, you can use tape that has black lettering on a clear background. The tape gets laminated with an over-layer of
Hammermill 163020 for TT
2007-05-15 by Donald H Locker
Well, I paid more for shipping than for the paper, too, but it sure seems to work very nicely. Thanks for the tip! Donald.
Re: [Homebrew_PCBs] re-lettering keyboards (was: Re: C84 Conversion)
2007-05-14 by Mike Bauers
A slick solution... Thanks! Best to ya Mike Bauers Milwaukee Wi, USA
Re: [Homebrew_PCBs] Re: C84 Conversion
2007-05-14 by Stefan Trethan
On Mon, 14 May 2007 13:33:04 +0200, Paul Sturpe ... It s usually a little mechanical pivoting plastic lever/flag working a fork type
Re: [Homebrew_PCBs] re-lettering keyboards (was: Re: C84 Conversion)
2007-05-14 by Stefan Trethan
On Mon, 14 May 2007 21:06:04 +0200, Mike Bauers ... i have finally found a way to fix that semi-permanently. Write the correct letter on
Re: [Homebrew_PCBs] Re: C84 Conversion
2007-05-14 by Mike Bauers
This reminds me........ my keyboard has a few keys with worn-off letters.... sure messes up the spelling now and than....... Best to ya Mike Bauers Milwaukee
Re: C84 Conversion
2007-05-14 by rmustakos
... All, Sorry about my spelling. I m glad to see you were on top of things and figured out what I meant. To those of you who did, I appreciate that you put
Re: C84 Conversion
2007-05-14 by Paul Sturpe
... is ... I ... me ... and ... to ... I ... printer ... I m still looking for the paper sensor. I have the printer stripped down to its bare essentials and
Copper clad
2007-05-14 by Bengt
Hi, I have some FR4 copper clad for sale http://goto.glocalnet.net/Bengt.CNC.pages/pcb%20clad.htm cheers Bengt
Re: C84 Conversion
2007-05-13 by juanabba
the 2 types of board goldmine is offering can be find on: http://www.goldmine-elec-products.com/prodinfo.asp?number=G15698 or
Re: [Homebrew_PCBs] Re: C84 Conversion
2007-05-13 by Cristian
... goldMINE not goldnime, please [Non-text portions of this message have been removed]
Re: [Homebrew_PCBs] Re: C84 Conversion
2007-05-13 by Norm Stewart
Should be http://goldmine-elec.com Norm ... [Non-text portions of this message have been removed]
Re: [Homebrew_PCBs] Re: C84 Conversion
2007-05-13 by Lez
... Boy must you have got out the wrong side of bed, give the guy a break at least he s sharing something he found
Re: C84 Conversion
2007-05-13 by Len Warner
... http://goldnime-elec.com Could not be found Please check links that you post are working: then, if you can t spell or can t type, just copy & paste.
Re: C84 Conversion
2007-05-12 by rmustakos
goldnime-elec.com has scissor-cut single sided PCBs, really thin, probably made for internal parts of multi level boards dor $.99 for 5x12 pieces. They are
Re: My results with a laminator
2007-05-12 by juanabba
... Hi Josh looking at the PHOTOS uploaded at this forum, I found one from you that called my attention, but when I try to link to a note, there is no
Re: C84 Conversion
2007-05-11 by docstein99
... That does work. I have 1/32 thick copper board and have printed on it, with the only modification was to carve-out the back so it could load-flat the
Re: C84 Conversion
2007-05-11 by juanabba
... I read somewhere that using a thin, flexible clad board, would not require to modify the printer. wonder if using the Single Sided .014 (.036mm) Thick, 1
Re: [Homebrew_PCBs] Re: Circuit Cellar article
2007-05-11 by Dale Chatham
I ve purchased muriatic acid at home depot and lowe s, but that s Texas. As for H2O2: http://www.webvitamins.com/product.aspx?id=9935&wvaid=IN&term=nextag
Re: C84 Conversion
2007-05-11 by docstein99
... I am preparing to convert a C84 right now, which would be my third try at this. I have already done a lexmark and an epson 220, which I believe is simular
Re: Circuit Cellar article
2007-05-10 by Bob_xyz
... For muriatic acid: I don t know where you re located but you might want to check at a swimming pool supply or home supply store for muriatic acid. It s
Re: C84 Conversion
2007-05-10 by Paul Sturpe
... driving ... in ... going ... 10 May, 2007, I had to put this project on the back burner for a while but now I am back to it. In stefen s article he refers
Re: [Homebrew_PCBs] Re: Circuit Cellar article
2007-05-10 by Stefan Trethan
... They work OK with hydrochloric acid and hydrogen peroxide etchant / CuCl. Pen should be reasonably fresh (get the refiller too). ST
Re: [Homebrew_PCBs] Re: Circuit Cellar article
2007-05-10 by Lez
I think the uniball px203 is resistant to everything. But I have not tried muriatric stuff, cant get it where I am, but as it withstands ferric overnight, I
RE: [Homebrew_PCBs] Re: Circuit Cellar article
2007-05-10 by K Wolf
Has anyone found the staedler (or other store-bought pens) able to withstand the muriatic acid and hydrogen peroxide etchant solution? I tried both the sharpie