Electronics Forum: ipc (Page 61 of 283)

Re: SMT repairs using wire links

Electronics Forum | Wed Sep 23 11:50:34 EDT 1998 | Jeff Ferry

| Can anybody point me to a Standard that provides details on the use of Wire Links for the repair of SMT PCBs, e.g. the maximum number of permissible links, the material to be used, the method of joint etc.? At the next meeting of the IPC Repair com

ALTERNATIVE SURFACE FINISHES & SERA SEMINAR

Electronics Forum | Thu Apr 16 14:31:04 EDT 1998 | Lou Madge

Dear Colleague, A seminar titled "Things that you should know before selecting an alternative surface finish" will be offered on Friday , April 24 in Philadelphia (during the Nepcon East week). The seminar will be covering topics related to the SERA

Re: ALTERNATIVE SURFACE FINISHES & SERA SEMINAR

Electronics Forum | Mon Apr 20 13:49:49 EDT 1998 | Gordon Wenker

| Dear Colleague, | A seminar titled "Things that you should know before selecting an alternative surface finish" will be offered on Friday , April 24 in Philadelphia (during the Nepcon East week). | The seminar will be covering topics related to th

ALTERNATIVE SURFACE FINISHES & SERA SEMINAR

Electronics Forum | Thu Apr 16 14:29:07 EDT 1998 | Lou Madge

Dear Colleague, A seminar titled "Things that you should know before selecting an alternative surface finish" will be offered on Friday , April 24 in Philadelphia (during the Nepcon East week). The seminar will be covering topics related to the SERA

112 pin TQFP PV

Electronics Forum | Thu Apr 09 00:07:54 EDT 1998 | Bonnie

I am in urgent need of a pcb land patten (footprint)for this device. I have the component data sheet with with package dimensions from Motorola, but they do not include the recommended land pattern. I requested a patten over a week ago, but have no

Re: 112 pin TQFP PV

Electronics Forum | Thu Apr 09 00:12:02 EDT 1998 | Bonnie

| I am in urgent need of a pcb land patten (footprint)for this device. I have the component data sheet with with package dimensions from Motorola, but they do not include the recommended land pattern. I requested a patten over a week ago, but have

Re: No-Clean Solder Paste

Electronics Forum | Mon Apr 06 10:32:53 EDT 1998 | Justin Medernach

| Peter, | Take a look at IPC-ANSI J-STD-001A and B, J-STD-004 and I think, 005/006 which cover solder paste (?) I think. | Whatever, they do reference one another. | | Question: Whatparameters are used to determine "good" Solder Paste? What refer

Re: SMT footprint

Electronics Forum | Thu Apr 02 11:19:41 EST 1998 | Justin Medernach

| I am looking for footprint details on a SM crystal. | Package type - Golledge GSX49-4. | Solder method - refolw Mark, Check with the good folks at IPC for land design. The spec should be IPC-SM-782. Also, see http://www.ITM-SMT.com. It's Phil Za

Measuring PCB Stress during the assembly process

Electronics Forum | Tue Nov 27 20:32:38 EST 2001 | davef

Stress is meaningful if it affects the long term reliability in a product's end-use environment. I don�t believe that things are that straight forward, although it would be nice if they were. Consider that differences in materials, number of layers

solder splatter inspection

Electronics Forum | Thu Nov 29 17:30:07 EST 2001 | davef

You give no clue of what you want to write about. Let's try this: J-STD-001, 8.3.1 Particulate Matter says words to the effect of solder balls / splats shall be neither: * Loose or able to be dislodged during normal service � NOR * Violate minimu


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