327 rework ipc class3 results

Electronics Forum: rework ipc class3 (Page 1 of 33)

Palladium leaded devices IPC610 class3 acceptable

Electronics Forum | Tue Oct 22 20:37:09 EDT 2002 | davef

Pd takes longer to desolve than the materials yer used to using. Search the fine SMTnet Archives for background on modifying your reflow recipe.

Palladium leaded devices IPC610 class3 acceptable

Electronics Forum | Tue Oct 22 15:32:09 EDT 2002 | ruppertg125

We are a military contractor and need to build to IPC610 class3. We are receiving many parts with palladium leads and currently use a No-clean solder paste. We have evaluated OA pastes with very little improvements. Without a touch up of all leads th

PCBA rework

Electronics Forum | Mon Mar 08 22:04:19 EST 2004 | pari

Dave i know abt the JEDEC033A specs..but this question is more of PCBA level. The baking temp and time at JEDEC is for MSD devices. I have tried to check IPC 7711 but the criteria does not mention the baking temp and time. Wandering is anyone is awar

PCBA rework

Electronics Forum | Tue Mar 09 12:13:27 EST 2004 | Gabriele

I want just to confirm what Dave suggested you. J-STD-033a, par 6. Boards Rework tells you plenty of useful informations. 6.1 Component removal, RWK and remount 6.1.1 Removal for Failure Analysi 6.1.2 Removal & Remount 6.2 Baking of Populated Boar

Post- and pre-reflow rework

Electronics Forum | Tue Jan 04 15:28:22 EST 2005 | davef

Look here: * Circuit Board Repair and Rework Guide [ http://www.circuittechctr.com/guides/guides.shtml ] * 7711/21A - Rework and Repair Guide [ http://webvision.ipc.org/scripts/mgrqispi.dll?APPNAME=IPCWEB&PRGNAME=TOCFRAME&ARGUMENTS=-N,-N,-A,-A,-N50 ]

PCB baking for rework

Electronics Forum | Tue Jul 16 01:12:31 EDT 2002 | ppcbs

We find that baking PCB assemblies at 90 degrees C in a Blue M forced air oven is safe for most all PCB's that we have encountered over the past 12 years. We remove any external plactic hardware that may be attached to the assembly and also like to

Conformal coating rework jumpers

Electronics Forum | Tue Oct 04 20:31:16 EDT 2016 | davef

IPC-7721, Section 6.1, Jumper Wires, Jumper Wire Selection #5 states: "Recommended wire is solid, insulated, plated copper wire, 22 to 32 AWG with a heat resistant insulation. Wire with tin-lead plating may be restricted due to environmental laws."

Re: IR rework stations

Electronics Forum | Thu Sep 23 14:18:28 EDT 1999 | Jeff Ferry

PCB baking for rework

Electronics Forum | Wed Jul 17 11:45:48 EDT 2002 | fmonette

The current IPC/JEDEC standard J-STD-033 for moisture-sensitive devices does not include a bake cycle at 90C (it includes cycles at 40C and 125C for non-assembled components in reels or trays). However, the upcoming revision, which should be release