Electronics Forum: rework (Page 187 of 293)

Do you allow manufacturer changes to your PCB design?

Electronics Forum | Thu Dec 26 12:51:32 EST 2019 | emeto

Very broad topic. Designers own design. Manufacturing engineers can suggest design changes based on DFM, DFX DFA analysis. These are suggested, so the board is manufacturable with very low to no rework. Both design and manufacturing have their expert

Best practice to validate the old - more than 5 year old parts

Electronics Forum | Thu Dec 12 17:48:21 EST 2019 | davef

You proved that the standard solderability test of components may be effective for assessing aged components. Curious Minds Can you get the authorization to use a more aggressive flux? Will that flux solve the problem? What's it going to cost to qu

Organic Fiber Plugs Flooding with Selective Soldering

Electronics Forum | Tue Feb 18 18:16:57 EST 2020 | jerlong2020

We are having issues with solder flooding some through hole pin receptacles which have an organic fiber plug on the soldering end. Anyone else use these types of receptacles and soldering with selective solder. Appears the plugs may be not sealed w

Stereo binocular Scope vs LCD Camera Scope

Electronics Forum | Fri Feb 21 12:19:13 EST 2020 | richardcargill

People in general are fairly resistant to change ( I've found ) - however, we're looking at the same move to LCD cameras shortly. My main apprehension is the lack of stereo vision ( and associated depth perception ) when reworking under it but I'm s

Solder Mask Defined Pads

Electronics Forum | Wed Feb 23 20:25:17 EST 2000 | Chris Wallace

Like all who post messages here, I'm looking for a little bit (well, maybe a lot of bit) of help. We're currently going through a redesign of a board which will utilize several FPGAs. The manufacturer (Xilinx) recommends using solder mask defined p

Solder Mask Defined Pads

Electronics Forum | Wed Feb 23 20:25:17 EST 2000 | Chris Wallace

Like all who post messages here, I'm looking for a little bit (well, maybe a lot of bit) of help. We're currently going through a redesign of a board which will utilize several FPGAs. The manufacturer (Xilinx) recommends using solder mask defined p

Re: un-tested assembled circuit reject rates

Electronics Forum | Wed Dec 08 02:07:25 EST 1999 | Scott Cook

Tim, What Brian writes is all true. However, let em put it into a sales / marketing perspective..... The REAL issue in your situation is: Who is responsible for the failures which WILL result in shipping untested product? Typically, your customer

Help I need DATA on Thermal shock caused by REWORK!

Electronics Forum | Fri Oct 01 10:04:20 EDT 1999 | Andrew William Dalrymple

I am currently in the middle of a company wide war and I'm looking for data (AMMO). Here are the problems: 1) I am looking for anyone who has done or seen any reports on Thermal Shock to smt parts and/or via holes caused by Soldering Irons at rewor

Re: IR Versus Hot Air - Put-Up Your Dukes...........Not a lot of blood guys!!!

Electronics Forum | Tue Sep 28 12:58:19 EDT 1999 | Jeff Sanchez

I finaly get a vacation and decide to go to the forum and low and behold it's hot air verses a small ray of sun.I read every thread and still failed to see any real argument either way? I love rework as an assembler. I hate rework as a shop owner. Th

Re: Serious stuff

Electronics Forum | Thu Aug 19 12:14:22 EDT 1999 | Doug Nebel

OK folks, let's get real serious. Well, I shot off my big mouth yesterday during a scheduling meeting concerning DFM and rework. Again, what an irony, oxymoron, or that other thing. Anyway, I said it would take another 4 weeks to develop


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