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2005-03-25 by Norm Stewart
Stefan: I m assuming you used the silicone sealant from a squeeze tube - You might try using the spray-on silicone lubricant on a sheet. Might be easier to
2005-03-25 by Stefan Trethan
Hi, had to have a second try. relieved the pressure on the fuser rollers a bit, and made only one run. 1000% the sharpest and best toner transfer i have EVER
2005-03-25 by Stefan Trethan
hi, while testing the silicone for the tank i tried to coat a sheet of paper with it for transfer. Simply spread with a piece of plastic, it doesn t wrinkle
2005-03-25 by fab4442003
Most commercial etchers are made from Polypropylene (which can withstand higher temperatures than PVC) and they re usually welded together. There s at least
2005-03-25 by Stefan Trethan
On Fri, 25 Mar 2005 11:18:08 -0000, Leon Heller ... Ok Leon, thank you. I have kind of bought that lexan already and i want it transparent. ST
2005-03-25 by Leon Heller
... From: Stefan Trethan To: Sent: Friday, March 25, 2005 10:49 AM Subject: Re: [Homebrew_PCBs] Re:
2005-03-25 by Stefan Trethan
Guys, things are not going well with the sprayer.. The acrylic silicone is definitely trash, the standard silicone doesn t stick well (at all) on the lexan. I
2005-03-25 by Stefan Trethan
Hi, Of course it will be in a secondary container ;-). I have found a nice deep plastic tray which i already used with the last etcher. (It is also useful to
2005-03-25 by fab4442003
That looks like an impressive setup - especially for home use. As someone who has worked around this type of equipment for 15 years - my thoughts are you
2005-03-24 by Stefan Trethan
I have this RTV silicone meant for acrylic glass, it says on the packaging that it is good for polycarbonate. Well, it doesn t cure. After opening it i found
2005-03-24 by Steve
I know the stuff you are talking about. It is a low resolution screenprinting stuff that is meant to be used in a process using a BW print and an IR lamp, but
2005-03-24 by retired0
... There was an early dot matrix technology that used carbon coated paper coated with metal. They used an arc to vaporize the metal exposing black print on
2005-03-24 by Stefan Trethan
On Wed, 23 Mar 2005 22:03:06 -0800, RMustakos ... I think the vanes are the best idea. a spoon can stop a vortex in a coffe cup real
2005-03-24 by RMustakos
Stefan I remember you talking about having an issue with the etchant forming a vortex around the bottom of the pipes. Originally I was thinking you should put
2005-03-23 by mihai_hagianu
Hi, i ve read some time ago an article about o guy using a matrix printer to puncture some sort of foil in order to use it as a masking stencil for making
2005-03-23 by Stefan Trethan
hi, Got all the materials yesterday, lexan plates, lots of other plastic scraps of various material, and the titanium shaft (10mm). Now i m wondering how to
2005-03-22 by leon_heller
http://www.intertronics.co.uk/products/prodindx.htm http://www.intertronics.co.uk/resource/guide1.pdf Leon
2005-03-22 by Stefan Trethan
On Mon, 21 Mar 2005 19:18:02 -0800 (PST), Naveed Alam ... I use another board and scrape 99.99% off, then i wipe with acetone. If you use paint thinner
2005-03-22 by Leon Heller
... From: Naveed Alam To: Sent: Tuesday, March 22, 2005 3:18 AM Subject: [Homebrew_PCBs] Toner
2005-03-22 by Naveed Alam
What can I do to clean the transferred toner after the etching process is complete? Can t it be left there as it may do no harm? It will melt away where I
2005-03-21 by Steve
I think it would take a diamond or ceramic hone to sharpen. Can you get a flat ceramic hone? As the other poster says, turn while rubbing. Doesn t really
2005-03-20 by Brian Schmalz
PK, The way I sharpen my carbide tip is to rub it back and forth, while turning it, on a diamond hone. Kind of like manually sharpening a pencil by using
2005-03-20 by onenastyviper
Hi guys. I am using an HP 7475A for scratching using a modded pen and solid tungsten-carbide bit (a bit from a Wickes tile scribe) any ideas on how to sharpen
2005-03-20 by Stefan Trethan
On Sun, 20 Mar 2005 10:23:55 -0600, Brian Schmalz ... i guess it depends on how far off center the scribe is... ST
2005-03-20 by Brian Schmalz
Quite true, but wouldn t you have a difficult time controlling the width of it s path ? If there were a really good way to set the resulting width, I can
2005-03-20 by Stefan Trethan
On Sun, 20 Mar 2005 10:01:58 -0600, Brian Schmalz ... the rotary scribe would make a wider line. ST
2005-03-20 by Brian Schmalz
Yah, I ve never had any problem with getting a clean line when I do scratching. My biggest problem is that the line is so incredibly thin and precise that I
2005-03-19 by Steve
... Not really. The metal coatings meant for metalworking have worked just fine. Dykem was suggested here, and I bought another brand at a local welder s
2005-03-19 by Stefan Trethan
... old news, someone told me he uses a rotary scribe years ago. ST
2005-03-19 by Dean Batute
Hello all..I think I have yet another new PCB making twist ! Many may not know this but I was the FIRST to suggest the idea for using glossy magazine stock
2005-03-19 by Zoran A. Scepanovic
Hello Steve, Saturday, March 19, 2005, 2:36:30 AM, you wrote: S That can make a really huge file if your board is very big. 4x5 inches S at 1200dpi is 20 x
2005-03-19 by Steve
... printing the PCB on the paper? ... as compared to the filled and continuous result of WMF? As Stefan says, if you use a raster format like BMP, TIFF, or
2005-03-18 by Stefan Trethan
On Thu, 17 Mar 2005 21:13:47 -0800 (PST), Naveed Alam ... You would need a lossless format. compressed is fine but lossless. BMP is a raster pixel image,
2005-03-18 by Naveed Alam
In order to do toner transfer, which format should I use for printing the PCB on the paper? Should it be BMP or WMF? Isn t the printing result of a BMP grainy
2005-03-17 by Stefan Trethan
... I was aware of that, thanks. I m actually making a very similar machine with a few changes. What i don t like about the commercial machines is the poor
2005-03-17 by James RM
... some of it). ... Don t know if you have seen this, but it might give you some ideas? www.radixgmbh.de/d_101_Radix_Spruhatzer_DuoSpray227.htm Regards James
2005-03-16 by Dave Hylands
... Well, I guess that kind of makes sense then :) Thanks -- Dave Hylands Vancouver, BC, Canada http://www.DaveHylands.com/
2005-03-16 by Stefan Trethan
On Wed, 16 Mar 2005 15:13:07 -0800, Dave Hylands ... Hi, There s a good reason that there is no double-sided phenolic out there (or
2005-03-16 by Dave Hylands
Hi, I was thinking of trying to mill some boards, and understand that phenolic substrate would be better than fiberglass (easier on the cutters - dust isn t as
2005-03-16 by Stefan Trethan
On Wed, 16 Mar 2005 20:51:41 +1100, Adam Seychell ... Well, it seems _very_ complex from the pictures (and PTH explains some of it). Way more than i need for
2005-03-16 by Adam Seychell
... When I was designing the tanks, I always had the intention of it living outside, since something this big would take up to much valuable garage space.
2005-03-16 by Russell Shaw
... He s a smart cookie;)
2005-03-16 by Stefan Trethan
On Tue, 15 Mar 2005 20:42:59 -0800 (PST), Naveed Alam ... Please don t send posts with Digest xxx as Subject. You can certainly etch without bubbler, no
2005-03-16 by Stefan Trethan
On Wed, 16 Mar 2005 13:44:08 +1100, Adam Seychell ... Thanks for the photos, wow, you certainly put a lot of work in that! I think i might have seen pictures
2005-03-16 by Norman Stewart
Recreation vehicle = travel trailer/motorhome with self contained utilities. The pump provides house pressure to the sink/shower/toilet, etc. from an internal
2005-03-16 by Naveed Alam
If I am going to etch a small board, 4 inch * 4 inch do I need a bubbler. I am developing a software so that empty gaps in a pcb layout can be filled. In this
2005-03-16 by Adam Seychell
... I added some pictures of the etcher I made. Its under Photos Etching Equipment
2005-03-16 by Adam Seychell
... I don t know, recreational vehicle is just the category they sell the pumps under. You right, its kind of a broad meaning. The one I was looking at a
2005-03-16 by Steve
... No, my fault for not changing the subject line. ... have ... At least some of mine have metal shafts, I guess I ll be taking all of them apart now. Steve
2005-03-15 by Stefan Trethan
On Wed, 16 Mar 2005 09:13:17 +1100, Adam Seychell ... What is a recreational vehicle? (that term seems silly to me, a bike is a recreational vehicle too and