Electronics Forum: ground (Page 1 of 76)

Treading on dangerous ground

Electronics Forum | Wed Jul 22 13:50:49 EDT 1998 | Justin Medernach

My firm has just begun it's first PCB that will use BGA packaging. I have been reading up on the processes involved with BGAs and was wondering if you need to apply solder paste to the pads prior to applying heat and mounting the part to the board

Re: Treading on dangerous ground

Electronics Forum | Thu Jul 23 13:11:13 EDT 1998 | Gestapo Allen

I think that in general it's best to deposit paste in order to increase the part standoff. This helps improve the fatigue-life of the joints by providing more strain relief. But I know from experience that it's tough to deposit paste during the rew

Re: Treading on dangerous ground

Electronics Forum | Tue Jul 28 16:37:24 EDT 1998 | Terry Burnette

I think that in general it's best to deposit paste in order to increase the part standoff. This helps improve the fatigue-life of the joints by providing more strain relief. But I know from experience that it's tough to deposit paste during the r

Voltage linking and tip to ground resistance

Electronics Forum | Wed Apr 27 14:10:30 EDT 2005 | Bruno Lalonde

I m looking to implement a maintenance program here at Exfo, I'm looking form the norms on the hand soldering iron (tip to ground resistance and Voltage linking). Thank

Voltage linking and tip to ground resistance

Electronics Forum | Wed Apr 27 21:59:34 EDT 2005 | davef

Check with your soldering iron supplier. We'd expect them to say: * Tip to Ground Resistance:

Voltage linking and tip to ground resistance

Electronics Forum | Thu Apr 28 08:08:46 EDT 2005 | Bruno Lalonde

Thank for your quick answer, waht to you mean by yammering, I'm sorry my english is not very good

Voltage linking and tip to ground resistance

Electronics Forum | Thu Apr 28 09:11:34 EDT 2005 | davef

Don't apologize. Your English is fine. * In Enlish look here: http://www.freesearch.co.uk/dictionary/yammering * In French, maybe: Parler � tort et � travers

Chip Components with big ground pads - Unsolder

Electronics Forum | Mon Jan 26 04:13:48 EST 2004 | patthemack

First of all, did you profile this board with a mole, such as a KIC? Is the solder flowing, or just not wetting to the part or pad? I work with RF boards as well, but the main problem is tombstoning due to the ground plane side being larger because o

Chip Components with big ground pads - Unsolder

Electronics Forum | Mon Jan 26 03:45:37 EST 2004 | Vinny

Hi All, We are producing a veriety of RF related PCBAs in which we see Unsolder/Mislaigned on a regular basis. In these baords usually one of the pad is connected to a signal trace and the other pad is connected to very huge ground plane. This gro

Chip Components with big ground pads - Unsolder

Electronics Forum | Wed Jan 28 20:26:32 EST 2004 | Vinny

Hi Guys, Really need your help to suggest how to tackle this situation.

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