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Homebrew_PCBs@yahoogr...
Jan 1, 2003 6:00 pm
1203
There's another reason for choosing a particular trace width: transmission line impedance. If you're working with UHF or microwave frequencies, the traces on a...
My third board was a flop. My plexi weight had a slight curve in it and I didn't notice - lost the traces in the center during development. For the fourth I...
In a message dated 12/31/2002 11:53:10 PM Central Standard Time, ... Derek: This is kinda BIG for IC's, seems to me! Wouldn't the pad have to be considerably...
Hi Jan, The pads I am talking about here is the free pads, resistor small diodes, etc. The IC's are 50x100mil ovals normal size. These are already in the parts...
... The fluros good for photoresists (i.e. lots of 365nm energy) are known as "BL" or blacklight. They are white color when off and emit violet/blue when on....
Hello ghidera2000, 01. January 2003, 20:29:37, you wrote: ggyc> would qualify as a UV source - it doesn't (silly me :D) Exposed for ggyc> 60 seconds and tossed...
Hi all, Does anyone have a favourite make of inkjet film for printing artwork? It looks to be expensive stuff so I would like to use a brand that others have ...
... I use epson over-head transparencies. They have a smooth coating that absorbs the ink, eliminating all pin-holes. It costs more than the printer ($3 per...
Hello, I just downloaded the DeskPCB and I would like to ask everyone here as to what type of PCB router is used? I would like to know if there are any plans...
Hi, You need to look at the CAD_CAM_EDM_DRO@yahoogroups.com there are a great number of other sites not connected with this list but they are buried in my...
Greetings, I use "3M Transparency Film for Canon and Epson Ink Jet Printers" which is about 75 cents per sheet. I use this film with an Epson Color Stylus 400...
Hi, I gotta disagree with the last statement - I've tried several inkjet printers and two laser printers and the inkjets blow away the lasers for this...
I had the same problem when I first started out, your water shouldn't be hot or the developer will peel right off. If I remember correctly it should never go...
On a similar note, I recently used two different inkjet printers, an Epson 600 and an HP 625C, to print on decal paper. The similarity is that you want dense...
In a message dated 1/7/2003 8:23:50 AM Central Standard Time, ... Jed: Did you HAVE to, or did the printer just PROMPT that the cartridge was running low?...
Printer manufacturers and retailers don't make money on the printers, they make their money on the consumables (computers are the same with peripherals and...
Particularly to Adam for the suggestion of the multi-exposure board idea. Did that and now I've just finished my third perfect board (6 minutes is the best for...
A while ago I tested various inkjets and transparency films for fining what gave the best quality phototmask. The Epson Stylus with epson ink and epson ...
Iwouldbe interested. Any information would be very welcome. Thanks, Les ... what gave ... any ... and has ... Epson ... the ... was a ... brands) I ... ...
Steve Have you thought about starting a dbase list. It would be good to have Toms offer where it was easily found. Garry ... probably ... etching. ... has ... ...
Hi all, I think I will be getting a Quick Circuit and wanted to see if anybody has and expericance to encourage me or to tell me to fa-ged-a- bot-it. anything...
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