File - monthly.txt
2006-02-01 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
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Page 472 of 707 · 35337 messages matched
Re: Toner Transfer Update
2006-02-01 by bob_ledoux
... LaserJet? I ... My two year old Samsung ML-1710 works perfectly with Pulsar Toner Transfer products
Re: [Homebrew_PCBs] soldering TQFN56, TQFN48, QFN16L, QFN12L, 0201&0402 parts etc...?
2006-02-01 by Stefan Trethan
On Wed, 01 Feb 2006 12:43:26 +0100, Vasile Surducan ... yes, it works, i have reflow soldered TQFN. Just smear some paste all across the
soldering TQFN56, TQFN48, QFN16L, QFN12L, 0201&0402 parts etc...?
2006-02-01 by Vasile Surducan
I m curious if someone has success in reflow tehnique for soldering these parts using homebrew technology. Mostly are parts used for microwave, with thermal
Re: [Homebrew_PCBs] Re: Question: using surface mount resistors/caps ?
2006-01-31 by Stefan Trethan
... Why would it be a concern then? you don t solder the component to this trace so why should it be a problem? You _can_ have bridging if you run traces
Re: [Homebrew_PCBs] Re: Question: using surface mount resistors/caps ?
2006-01-31 by Stefan Trethan
... Not in practice, if the traces are thin enough. If you have that problem you can always run them in from the ends of the pads rather than the sides where
Re: [Homebrew_PCBs] Re: Question: using surface mount resistors/caps ?
2006-01-31 by Mike Young
... From: derekhawkins ... I can and do regularly, casually. It s as for sure as marinara and white shirts. I would shrug it off as
Re: Question: using surface mount resistors/caps ?
2006-01-31 by derekhawkins
... At least two things prevent it actually; 1. Pads not designed for reflow 2. No solder mask Again, your idea of self centering may be different from mine.
Re: Question: using surface mount resistors/caps ?
2006-01-31 by derekhawkins
... I mean t the usually green stuff called solder mask. You cannot get perfect or near perfect centering of SMD components during reflow without it. BTW, even
Re: [Homebrew_PCBs] Re: Question: using surface mount resistors/caps ?
2006-01-31 by Mike Young
Solder mask has absolutely no effect there. Aside from BGA, the entire footprint including the pads and spaces is not masked. It s one of those things you ll
Re: [Homebrew_PCBs] Re: Question: using surface mount resistors/caps ?
2006-01-31 by Mike Young
I think he might mean stencils. The answer is still the same: few of us and it doesn t make much difference. The stencil s job is to mask the paste into an
Re: Question: using surface mount resistors/caps ?
2006-01-31 by derekhawkins
... I m impressed.
Re: Question: using surface mount resistors/caps ?
2006-01-31 by derekhawkins
... Exposed tracks leading to the pads will cause unpredictable imbalances as the solder wicks away on them. Self centering is not one of the benefits of
Re: Toner Transfer Update
2006-01-31 by mycroft2152
Hi Stefan, I used a liquid version, something Like Cascade , but a powder should work fine. Myc ... ... helped ... The ... was ... dirt,
Re: [Homebrew_PCBs] Re: Question: using surface mount resistors/caps ?
2006-01-31 by Stefan Trethan
... The answer is still _a lot_. ST
Re: [Homebrew_PCBs] LQFP48 package PCB success!
2006-01-31 by Stefan Trethan
0.5mm spacing is no problem, even with TT, but you need at least 600dpi on the printer side. As you say the bigger challenge is the no-PTH thing. In your case
Re: [Homebrew_PCBs] Re: Question: using surface mount resistors/caps ?
2006-01-31 by Stefan Trethan
... Most of us, actually, i guess ;-) Of those that using smd paste that is. Why would you think you need soldermask? ST
Re: Question: using surface mount resistors/caps ?
2006-01-31 by derekhawkins
... Perhaps you misread my question...How many of us is using solder paste to solder SMD components to their **homemade boards**? I m not referring to
Re: [Homebrew_PCBs] Re: Toner Transfer Update
2006-01-31 by Stefan Trethan
On Tue, 31 Jan 2006 16:38:38 +0100, mycroft2152 ... Hmm i think i ll try dishwasher detergent. What did you use, the powder? Most seems
Re: [Homebrew_PCBs] LQFP48 package PCB success!
2006-01-31 by Stuart Wallace
Hi Leon, Last year I made a small rectangular single-sided board containing an LPC2105, some decoupling, a 1.8V regulator and the crystal and its associated
Re: [Homebrew_PCBs] Re: Question: using surface mount resistors/caps ?
2006-01-31 by Leon Heller
... From: derekhawkins To: Sent: Tuesday, January 31, 2006 4:20 PM Subject: [Homebrew_PCBs] Re: Question:
Re: Re: DIY spray etching tank
2006-01-31 by Richard
hmm....maybe I should mention this.... I have a crate-full of Polypropylene tanks that might be perfect for an etcher like this...or other PCB baths. They re
GBC Creative laminator - any success with 1/16 PCBs
2006-01-31 by lcdpublishing
Hi all, I just went through the archives and found some folks using the GBC Creative model laminator. About 2 years ago there were some talk about using it,
New file uploaded to Homebrew_PCBs
2006-01-31 by Homebrew_PCBs@yahoogroups.com
Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the Homebrew_PCBs group. File :
Re: Question: using surface mount resistors/caps ?
2006-01-31 by derekhawkins
... No kidding! How many of us are reflowing on boards without solder masks? ... of ... relatively
Re: Toner Transfer Update
2006-01-31 by mycroft2152
Hi Stefan, I had previously used regular dishwashing detergent. And it helped wet out the paper. But did not work as well on the clay coating. The green pad is
Re: [Homebrew_PCBs] Re: Question: using surface mount resistors/caps ?
2006-01-31 by Stefan Trethan
... You could also use paste and reflow if appearance is an issue, it self-centers exactly due to surface tension and looks perfect. ST
LQFP48 package PCB success!
2006-01-31 by leon_heller
As an experiment, I m designing a home-made single-sided PCB for a Philips LPC2106 ARM device. It has an LQFP48 package (0.5 mm pin spacing). I ve just made a
Re: Toner Transfer Update
2006-01-31 by mycroft2152
... Yes the Samsung works fine. The Samsung/staples paper/XEROX laminator works great for me. I m running a few boards this morning. Myc ... LaserJet? I ...
Re: Toner Transfer Update
2006-01-31 by mycroft2152
... LaserJet? I ... and ... Laserjet ... 25/01/2006
Re: Question: using surface mount resistors/caps ?
2006-01-31 by derekhawkins
... Another great thing about tape is that the part can be nudged into alignment after it s held in place due to the nature of tape. The method (if any) chosen
Re: [Homebrew_PCBs] Toner Transfer Update
2006-01-31 by Stefan Trethan
On Tue, 31 Jan 2006 15:47:27 +0100, Mycroft2152 ... Yes, i notice the same effect with detergent (for manual dishwashing). I was
Re: [Homebrew_PCBs] Toner Transfer Update
2006-01-31 by Les Newell
So did the Samsung work with paper or did you go back to the LaserJet? I have a Samsung and I have never managed to get TT to work reliably. Les ... -- No
Toner Transfer Update
2006-01-31 by Mycroft2152
Sorry guys, The model number for the XEROX laminator should read XRX-LM1910. Myc
Toner Transfer Update
2006-01-31 by Mycroft2152
Over the last few months, I ve been trying some new techniques and upgading my equipment. Santa brought me a Samsung ML-2010 laser printer and a Xerox-zzzzzz
Re: [Homebrew_PCBs] Question: using surface mount resistors/caps ?
2006-01-31 by Leon Heller
... From: Alan King To: Sent: Sunday, January 29, 2006 5:58 AM Subject: Re: [Homebrew_PCBs] Question: using
Re: [Homebrew_PCBs] Re: low cost pcb outfits in China
2006-01-31 by Alan King
... Which is better through Ebay,
FYI: TT Heating Element ???
2006-01-31 by scratch_6057
If your building your own TT heating Press. . . The heating element from a common
Re: [Homebrew_PCBs] Re: low cost pcb outfits in China
2006-01-30 by Codesuidae
... Sounds pretty steep for a small project. My boards are typically ~2x3 inches, so I use Olimex s 160x100 service, single side is $26, double side is $33.
Re: low cost pcb outfits in China
2006-01-30 by scratch_6057
... but I couldn t find the name, but the prices looked amazing Today, my software guy told me of an outfit called pcbcart that he saw an ad for in circuit
Re: [Homebrew_PCBs] low cost pcb outfits in China
2006-01-30 by Adam Seychell
... I just checked it out, its the cheapest I ve seen yet. http://www.pcbcart.com/ There still is a US$44 setup fee.
Harbor Freight Roto
2006-01-30 by soffee83
Got the orange 19 dollar roto, as well as a $19.99 rectangular finish sander, a $9 orbital sander a $10 angle grinder, a $5 DVM, a set of needle files, and a
Re: [Homebrew_PCBs] low cost pcb outfits in China
2006-01-30 by Leon Heller
... From: ron amundson To: Sent: Monday, January 30, 2006 8:36 PM Subject: [Homebrew_PCBs] low cost
Re: [Homebrew_PCBs] low cost pcb outfits in China
2006-01-30 by Rick Hughes
... I am considering using the services of these folks: I don t know much about them other than I believe their an offshoot of the
Re: [Homebrew_PCBs] low cost pcb outfits in China
2006-01-30 by Codesuidae
... I haven t found anybody that could beat Olimex for the boards I typically do (small single side on fiberglass with solder mask and silkscreen ). Dave K
low cost pcb outfits in China
2006-01-30 by ron amundson
Some time ago, someone mentioned an outfit they had used in China, but I couldn t find the name, but the prices looked amazing Today, my software guy told me
Re: DIY spray etching tank
2006-01-30 by zephyr9900@comcast.net
... jcarlosmor, please take a look at http://www.prototrains.com/etch2/etch2.html I didn t make the tank for PCB s, but it would make quick work of one (I just
Re: [Homebrew_PCBs] Re: Making a homebrew board using QFN packages
2006-01-30 by cristian
... But the Evaluation Board used there is no more in production. Cristian
Re: [Homebrew_PCBs] Re: Making a homebrew board using QFN packages
2006-01-30 by Mike Young
... No worries, Dave. The problem with ovens is the presumption that careful and very fine control is needed, along with the associated cost and complexity.
Re: Making a homebrew board using QFN packages
2006-01-30 by idaho_huckleberry
... was ... Sorry, I was getting caught up after being out of town for a few days and did not see that this had already been discussed.