printed circuit board
| Numeric designation | Leiterplatte |
|---|---|
| Chemical designation | Leiterplatte |
| Etching | ungeätzt |
The thickness and width of a conductor path (copper) was to be determined on a printed circuit board. The board was first cold-embedded as a whole and only then further separated for final sampling for the microsection.
Other
Sintered bronze (Cu48Fe46Sn4Ni1)
Ferromanganese
Densimet D180
Sintered steel Sint-C 39 carbonitrided +QT
Sintered steel Sint-C 39 normalised
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