Electronics Forum | Tue Aug 25 21:01:45 EDT 1998 | Peter
We use an Intermec 3240 Thermal transfer printer and print on polyimid label material that survives the reflow and wave solder (top side only) process without turning black. Labels run around 3-4 cents per depending on the size (We found Imtec label
Electronics Forum | Wed Jul 07 13:56:57 EDT 2004 | Pierre RICHARD
As converting our boards to lead-free finish (Immersion White Tin) we decided to change de mask color from green to blue. We thought this would be a good idea to spread the idea so we could easily recognize the type of solder application related to t
Electronics Forum | Tue Dec 05 21:11:35 EST 2000 | Dave F
The CDROM player in my personal computer just died and I replaced it with a more lively unit. Being an inveterate gearhead, of course I had to field strip the old CDROM player as soon as I pulled from my PC [and got the new one running]. There are
Electronics Forum | Thu Jun 13 21:44:21 EDT 2002 | jkhiew
Hi all, * Defect : termial to terminal touching btw two melfs body that created short circuit. * Clearance : 0.8mm btw two melfs body. * Size melf : diameter=2.4mm to 2.7mm, length=4.8mm to 5.2mm * Stencil opening : "v" shaped to minimise component
Electronics Forum | Fri Aug 21 07:57:20 EDT 1998 | Earl Moon
| | | Will somebody please explain HASL (here). Thanks. | | Tryin: HASL: Hot Air Solder Leveled. A board fabrication process that applies an oxidation preventing solder coating to copper pads on the board. Dave F | You do this to keep the green s
Electronics Forum | Thu Sep 03 10:04:14 EDT 1998 | Earl Moon
| Can any one tell me if there is a large difference between green soldermask and blue soldermask, in reference to sending the board through the IR reflow oven. | - two PCB's (smc parts) are manufactured, the first has green soldermask, the second bl
Electronics Forum | Thu Sep 11 15:23:31 EDT 2003 | Peter L.
I have come across a rash of failed assemblies that have 0805 capacitors and resistors, bottom side glued, wave soldered and washed. Trouble shooter reported touching up the solder joints on a few areas and the boards would pass test. I had a look a
Electronics Forum | Fri Apr 12 17:22:47 EDT 2002 | davef
First, splitting hairs on parlance. * Conformal Coating. A thin electrically nonconductive protective coating that conforms to the configuration of the covered assembly to provide environmental and mechanical protection. * Solder Mask. Coating mate
Electronics Forum | Fri Aug 28 18:57:49 EDT 1998 | Mike Cleary
Selecting the correct label solution for SMT labeling is a science. Our company is a supplier of electronic identification products. Please let me know if you have questions regarding materials, printers, etc. I have been in this industry for over
Electronics Forum | Fri Jan 02 16:52:16 EST 2009 | boardhouse
Hi, From a Manufactures choice - Green is the best due to it is the most commonly used mask color in the industry & cheapest. Kind a like Red paint for Barns. For US shops, most only have one LPI machine and to continually switch from Green to othe
