HELLO! WHAT ARE THE KNOWN FAILURE MODES FOR GLASS BODY DIODES FOR SMT-MELF'S AFTER SOLDERING, WAVE OR REFLOW? WE HAVE A BATCH WHOSE MEMBERS PASSED GRACEFULLY AWAY. IS THERE A POSSIBILITY THAT THE CHIPS ARE LOOSE INSIDE? DURING CROSS SECTIONING I LOST THEM, THOUGH I WAS VERY CAREFUL NOT TO USE HIGH GRID. I X-RAYED THEM TOO, AND SAW A POTENTIAL SEPARATION,BUT I HAVE ONLY LITTLE EXPERIENCE IN THIS FIELD. ANY DOCTOR AT HOME? THANK YOU, GABY