Printed circuit board
| Numeric designation | Leiterplatte |
|---|---|
| Chemical designation | Leiterplatte |
| Etching | ungeätzt |
Detail image of the target prepared solder joint of a control board from an external hard disk. In addition to pores, there is a crack in the coating.
Other
1.4765 | X8CrAl25-5 AlN precipitations
"BiSn34" Lead-free alloy for "lead casting on New Year's Eve"
Diamond honing stone is fake
Si3N4
Magnetic material Sendust Fe-Si-Al
Screw cap beverage bottle
Magnetic material Manganese-zinc ferrites (MnZn+Fe2O4)
Molybdenum 99,97%
Single Bar Diode Laser | Solder Connection