Re: Inkjet printing PC boards
2002-09-14 by crankorgan
Larry, I sell plans for a PCBmill (Brute) and I just finished a machine that will mill or draw simple boards. (Morph) Months ago I brought up the idea of
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Inkjet printing PC boards
2002-09-14 by Larry Edington
This is a copy of a reply I just posted in sci.electronics.design. I thought I would post it here as well for you folks to pursue if you are interested in it.
Using the Positiv 20
2002-09-13 by Salam
what is better ? spray a thin or thick layer of the Positiv 20 on the copper board ? what can i do to prevent the developed part from desolving in the
Re: [Homebrew_PCBs] making SMT boards
2002-09-13 by Larry Edington
I use the desoldering tool quite a lot. I still do a lot of through hole stuff. Even on surface mount boards I have a lot of through hole connectors. Like the
Re: [Homebrew_PCBs] making SMT boards
2002-09-13 by dg140@freenet.carleton.ca
Do you find the Hakko 703 s desoldering tool of any use, or does the braid carry the day? --
Re: [Homebrew_PCBs] making SMT boards
2002-09-13 by dg140@freenet.carleton.ca
Has anyone comments on the Weller Wes50 solder station with a fine tip compared to other stations? Charles -- ... Shack, or Kester no wash paste. My favorite
Re: [Homebrew_PCBs] making SMT boards
2002-09-13 by Larry Edington
I either use 64-035 .015 diameter silver bearing solder from Radio Shack, or Kester no wash paste. My favorite wick is Tech-Spray 1809-10F but most any good
Re: [Homebrew_PCBs] making SMT boards
2002-09-13 by dg140@freenet.carleton.ca
I assume that stereo microscopes are used? Charles --
Re: [Homebrew_PCBs] making SMT boards
2002-09-13 by dg140@freenet.carleton.ca
Hi Larry. Interesting work. Do you find that the Laser printer leaves tiny holes in the foil pattern? Which solder gauge do you use for SMT (and copper wick
Re: [Homebrew_PCBs] making SMT boards
2002-09-12 by Paul Weber
The max those little cameras will see is about 1/4 in. square area at a time. I like to use is the circle ring lights with glass in the center. You can cover
Re: [Homebrew_PCBs] making SMT boards
2002-09-12 by Steve Greenfield
What about those toy USB computer microscopes? Mine isn t where I can get to it and I don t recall the name, but I think it goes up to 100X power. I got it
Re: [Homebrew_PCBs] making SMT boards
2002-09-12 by Larry Edington
I ve been doing surface mount for many years. Until the last year or so, I ve been able to do without a microscope. But now, my eyes have started the process
making SMT boards
2002-09-12 by dg140@freenet.carleton.ca
Anyone etched surface-mount technology PCBs? How did it go? Simply soldering the odd component or touching up an IC or small part seems difficult enough.
Re: [Homebrew_PCBs] FPCB layout software
2002-09-10 by Steve Greenfield
Eagle is free for small boards. CADSoft Eagle PCB software The Lite version is freeware for personal use. Size limited to 100 x 80mm or 4 x 3.2 inches.
FPCB layout software
2002-09-10 by stuart.lamble@batepro.co.za
Hi Homebrew_PCBs I am in need of some Preferably free lauout design software - for designing very simple one layer boards. I design +/- 1 board a month. Want
Dip Soldering setup
2002-09-09 by Dave King
Just wondering if anyone has run across something on building a small dip soldering setup. Someone (I thought it was on this list) mentioned they had seen a
Re: [Homebrew_PCBs] Printing on transparent paper
2002-09-09 by Adam Seychell
Well, quality of an inkjet photomask can vary a lot depending on the ink and how is reacts with the receptive coating. As russell pointed out Epson ink and
DynaArt Toner Transfer
2002-09-08 by Brian Gracia
Hello Everyone, Been lurking for awhile and I came across some info that you all may not be aware of. DynaArt http://www.dynaart.com has a new thermal roller
Re: [Homebrew_PCBs] Printing on transparent paper
2002-09-08 by Russell
The best inkjets are epson stylus colour (in black mode) because they have the best transparencies.
RS pcb board material?
2002-09-07 by David Saum
I have been using the double sided pcb stock from Radio Shack and I like this non fiberglass material since it is easy to score and break apart, compared to
RE: [Homebrew_PCBs] Printing on transparent paper
2002-09-07 by Steve Greenfield
I don t think he s doing toner transfer, I think he s trying to make a BW photomask. I have never been impressed with HP s inkjet printers. I have heard people
RE: [Homebrew_PCBs] Printing on transparent paper
2002-09-07 by High Tech
You can t use a DeskJet that is a inkjet printer. You have to use a laser or copier that has toner in it. Inkjet is liquid and toner is a powder which uses a
Printing on transparent paper
2002-09-07 by sr14e
Hi did anybody face problems while printing layouts on transparent paper using HP Deskjets ? mine isn t doing a good job. the printing is very poor
Positiv 20
2002-09-07 by sr14e
Hi everybody, There is a spray called Positiv 20 , a blue material sprayed on ordinary copper boards to make it photosensitive, i am trying it now,but still in
DIY Wave Soldering machine
2002-09-04 by Dave King
Has anyone run across any information on how to build a small wave soldering machine? I may have a few boards to stuff and it would be worth the time saved
RES: [Homebrew_PCBs] Home made PCB
2002-09-02 by Eduardo Perdomo
No Chance .. Http://www.geocities.com/pancary Home Build Plotter Driver. ... De: sr14e [SMTP:salamgobran@hotmail.com] Enviada em: segunda-feira, 2 de
Home made PCB
2002-09-02 by sr14e
Hi, i am a new comer. I wonder what is the best way for home made PCBs ? and is there any way to stop printing the grid while ExpressPCB ?
File - monthly.txt
2002-09-02 by Homebrew_PCBs@yahoogroups.com
Monthly Reminder, please read: Subject lines: Remember to change the subject line if you are straying from the original thread. Please change the subject line
RE: Oven bag method
2002-09-01 by Tim Goldstein
I have done PNP Blue toner transfer with a t-shirt press. Works great. Very easy to get the pressure and temperature right board after board. Tim [Denver, CO]
Re: [Homebrew_PCBs] Re: Oven bag method
2002-08-31 by Steve Greenfield
Hey, my birthday is coming up. ; ) Steve ... __________________________________________________ Do You Yahoo!? Yahoo! Finance - Get real-time stock quotes
Re: Oven bag method
2002-08-31 by johnman9146
I cropped and re-posted. See if the sizes are better. I keep forgetting that not everyone is at 1600x1200 on a 24 monitor. (Sorry)
Re: [Homebrew_PCBs] Re: Oven bag method
2002-08-31 by Steve Greenfield
... And it ain t over yet! I m very picky what I will and won t bid for on eBay. My experience: some items people just bid crazy. I was looking for an Adaptec
RE: [Homebrew_PCBs] Oven bag method
2002-08-31 by Steve Greenfield
... Speaking of which, PersonalizeOnline has auctions running almost all the time. $360 dutch auction on an 11x15 with variable temp:
Re: Oven bag method
2002-08-31 by johnman9146
Wow, that one is way newer than mine. It seems kinda expensive though... ... Should I reduce the res and repost?
Re: Oven bag method
2002-08-31 by johnman9146
Oh, I just ran down and took those pics after you asked. I am not sure why the temp setting is cranked all the way up. Perhaps someone was actually
Re: [Homebrew_PCBs] Re: Oven bag method
2002-08-31 by Steve Greenfield
And here s one on eBay right now: http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=1762040579 ... Ouch! Over a meg for 5 pictures... you guys are gonna use
RE: [Homebrew_PCBs] Re: Oven bag method
2002-08-31 by High Tech
Couple of questions it looks like you have it set at max temp 375F approximately in Pic #3. Is that what you are using and how long does it take? What is the
RE: [Homebrew_PCBs] Oven bag method
2002-08-31 by High Tech
Steve I agree the prices seem high. That s why I shop at auctions to save money. I was just trying to show that if you shop around you might be able to pick
Re: Oven bag method
2002-08-31 by johnman9146
Ask and you shall recieve..... I posted 5 pics of the Press ... auctions ... pcb
RE: [Homebrew_PCBs] Oven bag method
2002-08-31 by Steve Greenfield
... Not to nitpick, but The temperature of the JP12 is preset at 375 degrees and cannot be changed. Their model further down the page with adjustable temp is
Re: Ground Plane
2002-08-31 by johnman9146
... John, Have you printed out the tutorial in EAGLE? If you print it out, you will find a section that discusses Copper Pouring . I don t know why they
RE: [Homebrew_PCBs] Re: Oven bag method
2002-08-31 by High Tech
Sounds great I will have to keep an eye out for one of these at the auctions I go to. Can you throw up a picture in the file section say under Homemade pcb
Re: Oven bag method
2002-08-31 by johnman9146
Since we are talking about toner transfer method, I thought I would throw my 2 cents in. I have been using and have had great success with this method using an
new file uploaded
2002-08-31 by High Tech
Uploaded 2 pictures of a PCB I designed on Blue sheet. Both of these were made in 1997. Picture made today.
RE: [Homebrew_PCBs] Oven bag method
2002-08-31 by High Tech
Steve I was looking at the small ones $275 9 x12 . http://www.knightheatpress.com/jet.htm ebay search $83.00
Re: Oven bag method
2002-08-30 by crankorgan
Hi Steve, Using a heatgun-plastic bag and vacuum instead of an iron seems to be crazy. I was hoping you would say inkjet! I do know about the plastic sheets
Re: [Homebrew_PCBs] Re: Oven bag method
2002-08-30 by Steve Greenfield
... Yes, laser printer. I thought you were familiar with the toner transfer process. http://www.dynaart.com/ For anyone who doesn t know: The basic idea behind
RE: [Homebrew_PCBs] Oven bag method
2002-08-30 by Steve Greenfield
A Tshirt press may be ideal, but very expensive. You could send out to have an awful lot of boards made for the $500 to $1000 it costs for a good Tshirt press
RE: [Homebrew_PCBs] Oven bag method
2002-08-30 by High Tech
I don t think it will work so good. For one thing those heat guns produce 1500F that will probably melt the bag. Second if the plastic bag is not applying good
Re: Oven bag method
2002-08-30 by crankorgan
Hi Steve, But how was the print on the paper made? Laser printer? I only own an ink jet. John