Electronics Forum | Mon Jan 09 15:49:50 EST 2006 | GS
You can find some good idea by reading IPC-J-STD-002B (or later review ) Solderability test and also the JEDEC Standard (free down load) JESD22-B102D solderability test. A suggestion, first of all check how old are the chips (read data Code on Label
Electronics Forum | Wed Jan 11 10:50:09 EST 2006 | beta
All, Current supplier of Solder bar charges for Pot Analysis to be carried out. �60 a go. They say that they get charged so they pass it on, With the imminent change over to leadfree this rule still applies. Anyone know of a Lab etc. in Ireland th
Electronics Forum | Tue Jan 31 12:02:22 EST 2006 | aj
how would you apply both pastes.? anyway, I have succesfully run leadfree bga with lead paste. You gotta find a profile that kinda meets both requirements. Taking into consideration the peak temp and time above. dont have details on hand but I ca
Electronics Forum | Thu Feb 16 16:16:19 EST 2006 | fredc
We saw something like this in the machine shop years ago. Fumes from a soldering operation in the shop turned exposed iron and steel tools and the spindle on my Bridgport mill green. Can your supplier apply plating or a coating to the exposed parts o
Electronics Forum | Mon Feb 20 07:59:50 EST 2006 | dpmilk
We saw something like this in the machine shop > years ago. Fumes from a soldering operation in > the shop turned exposed iron and steel tools and > the spindle on my Bridgport mill green. Can your > supplier apply plating or a coating to the >
Electronics Forum | Wed Apr 12 19:04:46 EDT 2006 | ted nguyen
Don't know if this applies to you, but here's my 2 cents. We just pick up what parts from that reel that falls off with mylar take and tape it right to the reel. That way, you can use it for rework or whenever you need spare parts. As for the tear do
Electronics Forum | Fri Jun 09 08:20:56 EDT 2006 | kehoem@bellsouth.net
We have a board calling out for 50 micro-inches of nickel over 30 micro-inches of gold. This is a solid gold board on Rogers material. ENIG cannot be deposited that thick right? Electroplated gold (we thought) was usually 35-50 micro-inches and was
Electronics Forum | Fri Jul 07 02:20:03 EDT 2006 | AR
Hi Yes, this is the only component with Ag/Pd finish. I found that by applying a copious amount of solder on the pad (we are using a dispenser) the component will be soldered. Although most of the solder coalesces on the terminations of the componen
Electronics Forum | Tue Sep 19 09:44:16 EDT 2006 | billyd
Tom Clifford over at Lockheed put out a great Gold calculator. It works quite well in finding where you should be abd where you actually are with gold content. Is there any type of heat sink being applied to the device? Something that maybe gets scre
Electronics Forum | Thu Sep 14 08:40:06 EDT 2006 | russ
you as a contract manufacturer are not responsible for your customers product. If you are not selling to them under false pretense of RoHS compliance you are fine, it will be your customer that is non-compliant. So if you build a board that is non