Uploading pictures - moderator note
2004-01-02 by Steve
This is worth repeating- please use browser-friendly JPG, GIF, or PNG for uploading bitmapped pictures, schematics, etc. Formats like TIF and BMP result in
Messages
Browse messages
Page 636 of 707 · 35337 messages matched
Re: New Project: Camera for PCB drilling, Soldering and Inspection.
2004-01-02 by wheedal99
http://www.compgeeks.com/details.asp?invtid=BMC2150-PB for solder inspection?
Re: Breaking drill bits
2004-01-02 by javaguy11111
In this case it was the tool. The drill stand to be exact. I did not really notice the slop when I was drilling larger holes with HSS bits. I guess HSS is a
Re: [Homebrew_PCBs] Re: Heating Idea for Toner Transfer Method
2004-01-01 by Art Eckstein
Bengt, Further testing will be put on hold for a little while as I realized that a couple of my projects will require about 1000 drill holes! I have a
Re: [Homebrew_PCBs] Breaking drill bits
2004-01-01 by Alan King
... Wrote this the other day and saved as draft and didn t send it later. There are a few aspects of using small bits to always keep in mind that don t
Re: [Homebrew_PCBs] Bubbles (?) in photoresist
2004-01-01 by Alan King
... If these are small carbide bits, then that s actually pretty good by hand or even basic drill press, which will not give you fine enough vertical by hand
Re: New Project: Camera for PCB drilling, Soldering and Inspection.
2004-01-01 by bsjoelund
Hi, If you want to do something extra ordinary PCB drilling with camera do it like this. 1. Z-axis under the table with camera centered on drillbit. This
Re: Heating Idea for Toner Transfer Method
2004-01-01 by bsjoelund
... together a web ... Greetings my friend, thanks for asking, it has been peaceful. Last night looking out over Stockholm and all the fireworks, very nice.
Re: [Homebrew_PCBs] Bubbles (?) in photoresist
2004-01-01 by Scott Gordon
Hi, Thank you to those who replied to my post regarding bubble-like patterns which appeared in photoresist on my PCBs. The problem did indeed turn out to be
Re: [Homebrew_PCBs] Newbie question
2004-01-01 by Stefan Trethan
Hi! Very nice to see a new member. Please read in the group archives and in the links provided. There is TonerTransfer which we are VERY fond of. It is similar
Newbie question
2004-01-01 by joshdewinter
Hi everyone. I m so glad to have found a forum like this. I have been experimenting, trying to make my own boards for the longest time. I m always on the hunt
Re: [Homebrew_PCBs] Re: Toner Transfer Method, comments on Mike's pcb photo
2004-01-01 by Alan King
... Very unlikely. Fiberglass board is a relatively rough surface on small scale and the particles get stuck and the acetone evaporates out. ... Yes it is,
Re: [Homebrew_PCBs] Re: Toner Transfer Method, comments on Mike's pcb photo
2004-01-01 by Stefan Trethan
... He said it solved the board later. ... I was right i think. and it looks not good with that smears. ... correct. I compressed his image a bit strong, you
Re: [Homebrew_PCBs] Re: Heating Idea for Toner Transfer Method
2004-01-01 by Art Eckstein
Greetings Bengt Hope you have a Happy New Year and as requested, I have put together a web page of how my press is assembled. This is a test unit so it is not
Re: [Homebrew_PCBs] Re: Toner Transfer Method, comments on Mike's pcb photo
2004-01-01 by Alan King
... Why do you jump to this from a little bit of black left on the board? You re likely using several times too much solvent if you re getting your board
Re: [Homebrew_PCBs] Re: Toner Transfer Method, comments on Mike's pcb photo
2004-01-01 by Stefan Trethan
... me too. a full can vaporised through the CLOSED LID! and the skin absorbs it and it is toxic (like everything, i know). it also vaporises much quicker than
Re: [Homebrew_PCBs] Re: Heating Idea for Toner Transfer Method
2004-01-01 by Stefan Trethan
... http://www.irfanview.com/ is freeware (non commercial use). in save as choose jpg and if you want to change the compression there is the options button.
Re: Toner Transfer Method, comments on Mike's pcb photo
2004-01-01 by mikezcnc
Stefan, Yes, acetone was etching into the fiberglass. Paint thinner? I ll try it and it probably doesn t smell as bad. I hate acetone! The tracks are .015 ie
Re: Heating Idea for Toner Transfer Method
2004-01-01 by mikezcnc
Done. What program are you using to resize the images? Mike ... I have ... with ... LOADS of ... transfer ... and etch ... tracks but ... rate. ... and that
Re: [Homebrew_PCBs] Re: Toner Transfer Method, comments on Mike's pcb photo
2004-01-01 by Stefan Trethan
What i wanted to ask before the huge picture file diverted me: You wrote you used aceton for rubbing off the toner. In the blackened areas, did the acetone
Re: [Homebrew_PCBs] Re: Heating Idea for Toner Transfer Method
2004-01-01 by Stefan Trethan
I m very glad to hear it finally worked. I had some disencouraging results in the beginning too. I really think you will soon get rid of the problems you have
Re: [Homebrew_PCBs] New Project: Camera for PCB drilling, Soldering and Inspection.
2004-01-01 by Alan King
... Just get the cheap Ezonics USB webcam that was free after rebates all the time. May have to get it on Ebay now, not sure if it s still made. Break the
New Project: Camera for PCB drilling, Soldering and Inspection.
2004-01-01 by mikezcnc
Has anybody used a camera for PCB drilling, soldering and inspection? I heard about that microsoft gizzmo but fro what I read it did not provide enough viewing
Re: Heating Idea for Toner Transfer Method
2004-01-01 by mikezcnc
Hi Stefan, Your patient guidance helped me to create a PCB using a tone transfer method. Look in the files section:
Re: [Homebrew_PCBs] Re: Heating Idea for Toner Transfer Method
2004-01-01 by Stefan Trethan
Mike, on the group homepage in the database section you can read which paper i use. (you see i want to force you going there and looking at the database ;-) )
Re: Heating Idea for Toner Transfer Method
2004-01-01 by mikezcnc
Hi Stefan, I tried baking in the oven and that is an insane process... Then I tried to use a flat grill and I did get a great transfer in one area but hardly
Re: [Homebrew_PCBs] Re: Heating Idea for Toner Transfer Method
2004-01-01 by Stefan Trethan
... Hi In some dark corner i should have a iron press, maybe i try that.. to the press ideas: PCBs are not compeltely flat ask the milling guys. If you have a
Re: Heating Idea for Toner Transfer Method
2004-01-01 by mikezcnc
Stefan, Thank you for such an extensive description of your process. You nailed my problems: lousy printer, one iron only and the rest. I clean my board with
Re: [Homebrew_PCBs] Re: Heating Idea for Toner Transfer Method
2003-12-31 by Stefan Trethan
... You want just enough pressure to make a good bond. too much and the tracks widen. I always use highest temp setting so far. will experiment when i have a
Re: Pulsar.gs (Dynaart.com) TTS feedback requested.
2003-12-31 by mikezcnc
Thank you for commenting on Pulsar. They swear that it simple and easy and claims 6 mills. What was the size of your board and tell us more what it meant
Re: Pulsar.gs (Dynaart.com) TTS feedback requested.
2003-12-31 by mikezcnc
Good question. I was curious about it myself. Their price sheet is $1.50. I find it insane for a sheet of paper. I still have his Dynart supply that seems to
Re: Heating Idea for Toner Transfer Method
2003-12-31 by mikezcnc
I am spending lot s of time trying to find the best way of heating and pressing. There appears to be a distinct correlation b/w tempreture and pressure (paper
The use of through hole microscope
2003-12-31 by Balan
Hi One area the through hole microscope is to see the quality of the plating inside the holes and another area it would be very useful would be in the making
Re: Heating Idea for Toner Transfer Method
2003-12-31 by wheedal99
... Nearly all my boards are 2 sided. Alignment isn t nearly as difficult as it may seem. If you put some alignment marks on your carrier paper and can see
Re: Pulsar.gs (Dynaart.com) TTS feedback requested.
2003-12-31 by wheedal99
... pretty out there for this type of system. ... I can get 6 mil with a bit of work and being really careful just using magazine paper. I have no doubt it is
Re: Heating Idea for Toner Transfer Method
2003-12-31 by bsjoelund
... my local ... it on an ... Hi Art, I´m interested to see how you did your *cooker*. I´m getting pretty tired of ironing as it is not so easy to get
Re: [Homebrew_PCBs] Re: Heating Idea for Toner Transfer Method
2003-12-31 by Art Eckstein
I thought about using the burger cooker, but couldn t find one at my local thrift store. So I built a small press of my own. I used a piece of flexible
Re: [Homebrew_PCBs] Etchant recycling
2003-12-31 by Adam Seychell
... Another possibility is to use carbon anode, and it may reduce your ferrous ions to ferric ions , but don t put too much voltage that chloride gets reduced
Re: [Homebrew_PCBs] Etchant recycling
2003-12-31 by Adam Seychell
... If you have potential too high then your change all your ions. I.e. you get hydrogen ions (+1 charge) and copper ions (+2 charge) attracted to the negative
Re: Heating Idea for Toner Transfer Method
2003-12-31 by javaguy11111
I have found with my laminator that at least some of the toner sticks on the first pass. So if you get through one pass there should be no further movement. To
Re: Heating Idea for Toner Transfer Method
2003-12-31 by Steve
I agree, after 6 passes in my laminator I still wasn t getting a good stick. Cleaned with green scrubber pad and Comet cleanser (always worked using spray on
Re: Heating Idea for Toner Transfer Method
2003-12-31 by gmanca101
It helps to have someone on the same page! See, I dont have a laminator. I was thinking about purchasing one but the problem is that 4 passes seems way too
Re: Heating Idea for Toner Transfer Method
2003-12-31 by Steve
Funny you should mention that. I found a small hamburger cooker at a thrift store. Both sides are flat, black teflon coated. This is precisely what I was
Heating Idea for Toner Transfer Method
2003-12-31 by gmanca101
Hello, I noticed that laminators are being used for pcb s, but how reliable are they when it comes to doing double sided images? I was thinking if using two
Pulsar.gs (Dynaart.com) TTS feedback requested.
2003-12-30 by VaporWings
Hi All, I just signed up here and have been reading various post. For years I have been using just a dry transfer method of making PCB by printing the image on
Re: Etchant recycling
2003-12-30 by roel_cnc
... in ... hi, it isnt a plating bath so dont suspect a nice and shiny nail he why do they call it (+)anode s in a plating bath - -we talk about etch fluid
Re: Through Hole microscope
2003-12-30 by Steve
... I got lucky and picked one up at a yard sale for $5. Poor guy simply didn t know how to install hardware under Windows, and didn t bother to read the
Re: [Homebrew_PCBs] Breaking drill bits
2003-12-30 by Leon Heller
... From: javaguy11111 To: Sent: Tuesday, December 30, 2003 1:16 AM Subject: [Homebrew_PCBs]
Re: How to cut circuit boards? small correction
2003-12-30 by mikezcnc
Great hint, Thank you Leon! Mike PS Loved your website- very impressive! ... correction ... cuts ... Mike ... the
Re: Breaking drill bits
2003-12-30 by dkesterline
... have ... I use one of those $39 drill presses from Harbor Freight. It spins a little slower than I d like (only ~3k) but I don t break bits anymore. I use