Gold Pads Soldering problem
Published on 2/2/2017 10:11:19 PM
Description
<style>.e_editor{font:14px/24px Roboto,Helvetica,Tahoma,Arial,'Microsoft YaHei','b8bf53';}.e_editor div,e_editor p,e_editor td,e_editor th,e_editor li{font-weight:inherit;font-size:inherit;font-style:inherit;font-family:inherit;}.e_editor ul{margin:-10px 0 20px;}.e_editor li{padding:5px 0;}.e_table{width:96%;border-collapse:collapse;empty-cells:show;}.e_table th,.e_table td{padding:5px;border:2px solid #eee;}.e_img{padding:10px 0;text-align:center;}.e_p{line-height:20px;padding:0 0 20px;text-indent:0em;}</style> <div class="e_editor"> <div class="e_p"> Not all but some new boards we have had solder joint problems, for example some of the pads refuse to solder at all and the solder paste ends up attached only to the leg, reworking makes no difference and a variety of fluxes have failed. How can some high volume production boards work fine and these prototypes fail so badly. Can anyone offer an explanation? </div> </div>
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