Re: 0.5mm pitch breakout board?
2007-08-18 by Andrew
... I have not yet. I am scared that the little ~6 thou tracks will get scratched. I will give it a go on a board with 10-12 thou tracks to see how it goes
Messages
Browse messages
Page 334 of 707 · 35337 messages matched
Re: [Homebrew_PCBs] Re: 0.5mm pitch breakout board?
2007-08-17 by DJ Delorie
... Have you tried the sponge-wipe method? I ve found I can manually control the etch progress that way, so it all comes out even.
Re: [Homebrew_PCBs] Re: 0.5mm pitch breakout board?
2007-08-17 by Leon
... From: Andrew To: Sent: Friday, August 17, 2007 10:56 PM Subject: [Homebrew_PCBs] Re: 0.5mm
Re: 0.5mm pitch breakout board?
2007-08-17 by Andrew
... I agree with DJ - Do a panel of them to make sure you get a good one if you are not always doing stuff that small. I have just done a 0.45mm QFN package
Re: heat press transfer - cheap anti-stick paper alternative: baking paper
2007-08-17 by dagmargoodboat
... That s the stuff--baker s parchment paper. I had the same thought, but it doesn t look like our members have had much success.[1] If you search the
Re: [Homebrew_PCBs] 0.5mm pitch breakout board?
2007-08-17 by DJ Delorie
... These are the types of boards I m most likely to make at home. Just design one, put four to six copies on a small panel, and etch them. Choose the best
0.5mm pitch breakout board?
2007-08-17 by Jim Miller
I ve gotten some breakout boards in the past from Sparkfun that worked well for SOIC but I now need a few for a uSOIC which has 0.5mm lead pitch for 10 pins
Re: [Homebrew_PCBs] Riston Plate Master Dry Film
2007-08-16 by Leon
... From: Mr Crazy To: Sent: Thursday, August 16, 2007 7:15 PM Subject: [Homebrew_PCBs] Riston Plate
Riston Plate Master Dry Film
2007-08-16 by Mr Crazy
Hi All, I am new around here and new to the filed of etching. Though I have tried things with toner transfer and it has worked but I couldn t get rid of pin
Re: [Homebrew_PCBs] Re: UV developer re-do's....how to??
2007-08-15 by Leon
... From: timbomcnuckle To: Sent: Wednesday, August 15, 2007 6:07 PM Subject: [Homebrew_PCBs] Re: UV
Re: UV developer re-do's....how to??
2007-08-15 by timbomcnuckle
... hhhmmmm,, I dunno if I understand-- you mean how do I know if a mistake has been made after the developer? it would be obvious I assume once compared to
Re: [Homebrew_PCBs] UV developer re-do's....how to??
2007-08-14 by Leon
... From: timbomcnuckle To: Sent: Tuesday, August 14, 2007 7:06 PM Subject: [Homebrew_PCBs] UV
UV developer re-do's....how to??
2007-08-14 by timbomcnuckle
Hullo again all,, I am having a bit of a problem with figuring out how ,if anyway, one is able to do a touch up when making a transfer based on the UV
Re: My 'plug' for best TT paper...
2007-08-13 by pgdion1
Update on this paper, besides Sam s Club, I was in Office Max last week and they actually had it on the shelf (Hammermill OfficeOne Glossy Paper). Shoot,
Re: PCB Touch up
2007-08-13 by pgdion1
I was going to mention this one, Fingernail polish works great as a resist (at least in Ferric Chloride). Dries rock hard in a few minutes. I ve used it to
Re: PCB Touch up
2007-08-09 by TonyB
Forgot to mention that the stuff my girlfriend donates is fingernail polish!! Sorry bout that :-) A fast drying enamel. Comes off easily with lacquer
Re: PCB Touch up
2007-08-09 by bill heverly
I ve been following this subject for a few days now and I guess it s time I add a note about my touch up solution. I use a product that I bought at a local A C
Re: flexible pcb material?
2007-08-08 by pork_u_pine2000
I received some of the board material in question, and while it is interesting it doesn t seem useful for anything I am building at the moment. Like you, my
Re: PCB Touch up
2007-08-08 by Len Warner
... Except that India Ink is lampblack (carbon) suspended in gum arabic solution. In solution the gum arabic acts as a colloidal suspension medium and in the
Re: PCB Touch up
2007-08-08 by TonyB
A fine tipped brush and signpainter s ink works fine also. U want a paint that is not water soluable, and dries quickly. Sharpies are the right type ink, but
Re: [Homebrew_PCBs] Re: PCB Touch up
2007-08-06 by Gordon Couger
Why not just a brush and a few coats of India Ink or paint. You can make a mask if you can t do it free hand. A good bush with long bristles is easier to use
Re: PCB Touch up
2007-08-06 by dl5012
Hi John, Don t bother trying the ultrafine point Sharpie markers. The ink doesn t work as an etch resist... Same goes for the huge chisel point industrial
Re: [Homebrew_PCBs] PCB Touch up
2007-08-06 by Stefan Trethan
... Depends on HCl concentration. If it is high, not too well. If it isn t so high it works OK. You want a fresh pen though (get the refill bottle) to get a
RE: [Homebrew_PCBs] PCB Touch up
2007-08-05 by John L. Craddock
Many thanks for the tips folks. I might try the Lumocolour. Anyone know whether it works as a resist in HCL/H2O2 etch? TIA Regards John C
Re: [Homebrew_PCBs] PCB Touch up
2007-08-05 by Craig vk2zcm
Hi John Another tip you can always trim the ink marked tracks with a little scraping with a scalpel a common practice in the drafting office back in the hand
Re: [Homebrew_PCBs] PCB Touch up
2007-08-05 by Craig vk2zcm
Hi John I ve been using the STAEDTLER permanent Lumocolor S 313-2 Its red ink, the pen has a black body with a S on the red cap The ink is a little clear
Re: [Homebrew_PCBs] PCB Touch up
2007-08-05 by Leon
... From: johncrad To: Sent: Sunday, August 05, 2007 6:35 AM Subject: [Homebrew_PCBs] PCB Touch
Re: [Homebrew_PCBs] Re: flexible pcb material?
2007-08-05 by Zoran A. Scepanovic
Hello Len, ... In approx a month of time, Guja can organize a friend to bring one A4 sheet of thin, flexible FR-4 for you to pick it up somwhere in
Re: [Homebrew_PCBs] PCB Touch up
2007-08-05 by Jan Kok
I believe there is an ultrafine point sharpie. I haven t tried it, but maybe you could cut two sides off a fine point sharpie with a razor blade, to get a
PCB Touch up
2007-08-05 by johncrad
Hello All, I have a fairly complicated single-sided pcb that I am doing with toner transfer. The tracks and through-hole component pads are 12 mil. After
Re: [Homebrew_PCBs] Re: flexible pcb material?
2007-08-03 by Leon
x----- Original Message ----- From: Len Warner To: Sent: Friday, August 03, 2007 6:30 PM Subject:
Re: flexible pcb material?
2007-08-03 by Len Warner
Can anyone suggest a UK supplier of small quantities (i.e. offcuts) of flexible or thin scissor-cut pcb stock? Possibly a board manufacturer in the North
Re: flexible pcb material?
2007-08-02 by rubines2000
Hi Group I also dont think they are useless, but they are expensive indeed. For flexible led clusters for example, this matereal should be great. Cheers
Re: [Homebrew_PCBs] Re: flexible pcb material?
2007-08-02 by Chris Hart
For my uses, I have found the boards that are just a bunch of single hole solder pads are usless for my purposes, but I did find some very thin board material
Re: flexible pcb material?
2007-08-01 by pork_u_pine2000
Probably, but expensive and useless are in the eye of the beholder, and I have yet to behold. Hope springs eternal, to coin a cliche or three... -- Dave ...
Re: [Homebrew_PCBs] Re: flexible pcb material?
2007-07-31 by guja
expensive & useless stuff, unless you make (expensive) fly-swatter. ... pork_u_pine2000 wrote: I decided to order some of it to find out
Re: flexible pcb material?
2007-07-31 by pork_u_pine2000
I decided to order some of it to find out what it is. It seems to be for through hole, though how well that can take flexing seems dubious. I should know in
Re: [Homebrew_PCBs] Re: Micro endmill cutting speeds
2007-07-30 by Mark Brueggemann
... Sure. The bits bust, usually in the first 10 seconds of routing. Milling copper, PCB or otherwise is tricky business. It s very soft and bits tend to
Re: Use of heat press transfer machine for toner resist application
2007-07-30 by circuitmangler
... I got it on ebay. It says Pics n Names and Tyke Corporation, Chicago, Il. on it. Here are some pics - hopefully these links will work for you:
Re: Use of heat press transfer machine for toner resist application
2007-07-30 by bill heverly
... area. ... contact ... more ... the ... I d be interested in the brand and source of this heat press. Any other info you could provide would be helpful.
Re: Micro endmill cutting speeds
2007-07-29 by ghidera2000
... Could you expand on that? What kind of troubles did you have? I could probably do evetything with a 30 degree v-bit that I need but if the boards aren t
Re: Use of heat press transfer machine for toner resist application
2007-07-29 by circuitmangler
I ve just purchased a small heat press with a 4 by 8 pressing area. It has a built-in thermometer which reaches a maximum of 250 degrees (I presume degrees F
Re: [Homebrew_PCBs] Re: heat press transfer - cheap anti-stick paper alternative: baking paper
2007-07-29 by Gus S Calabrese
... would this work ? http://cgi.ebay.com/Baking-Parchment-Paper-Pan-Liner-25-Dbl-50-Sheets- NR_W0QQitemZ260142868921QQcmdZViewItem Gus [Non-text portions of
Re: [Homebrew_PCBs] Re: heat press transfer - cheap anti-stick paper alternative: baking paper
2007-07-29 by Leon
... From: wayneosdias To: Sent: Sunday, July 29, 2007 5:05 PM Subject: [Homebrew_PCBs] Re: heat
Re: heat press transfer - cheap anti-stick paper alternative: baking paper
2007-07-29 by wayneosdias
... Looks interesting, I followed your link and Im unable to decipher exactly what the product is, is it ordinary wax paper? Currently I just use laser photo
Re: [Homebrew_PCBs] Micro endmill cutting speeds
2007-07-29 by Mark Brueggemann
... I use a Quickcircuit at work, and I ve never had any luck running stub endmills any smaller than 8 mils into 1oz board, no matter what the feed rate. I
Micro endmill cutting speeds
2007-07-29 by ghidera2000
I ve been working on mechanical etching of PCBs using V-bits from Think & tinker (http://www.thinktink.com/) and having some great success. I just uploaded two
Re: heat press transfer - cheap anti-stick paper alternative: baking paper
2007-07-28 by docstein99
... Does the wax or whatever coating also get transferred to the metal? Because if that doesnt get vaporized, then it may act as a resist - with the toner
heat press transfer - cheap anti-stick paper alternative: baking paper
2007-07-28 by michael_haberler
here s an idea for laser toner transfer - it s not a process (yet) - maybe somebody gives it a try: Being a cook, I have Backpapier (baking paper) in the
Re: toner removal methods?
2007-07-28 by TonyB
I use lacquer thinner, also, for toner removal. Also for ink removal when I do silkscreen. But it s always a good idea to scrub the boards after removing the