Electronics Forum: 20mm 2001 (Page 1 of 1)

Blow holes on radial parts solder joints

Electronics Forum | Thu Apr 05 13:54:18 EDT 2001 | CAL

Do the parts sit directly on the PCB? Typical 2.0 mm Max is desired for the component to be off the PCB. Are stand-offs an option? The long lead wiggles as it passes through the wave and thus agitating the air out.Does your wave a "dancer" option?

Fine Pitch QFP Bowing after reflow

Electronics Forum | Wed Oct 17 02:53:36 EDT 2001 | dszeto

The fine pitch QFP is a 240 pin one being loaded with other components on a 2.0mm thick FR4 PCB. There are 6 of this Qfp's on this PCB showing the same charactristic of bowing therfore the solder fillets are vary from the center to the end of the pa

ECOs on OSP finish

Electronics Forum | Sat Jun 30 04:43:09 EDT 2001 | brendan

Hello We introduced OSP finish on some of our products but now need to add some discretes at the end of the process. From my little knowledge of OSP, this is difficult. We'll SMT the boards and transfer them to another site for further processing.

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