A dummy version of Amkor’s CVBGA is available. The 0.3mm CVBGA is a 8x8mm, 368, 0.30mm solder ball pitch, two-layer thin core substrate with an Ni/Au BGA finish that uses a HL832NX-A (60 µm core) and AUS 410 solder mask. Is reportedly ideal to train, test and qualify. Is identical to the live package, without the IC die inside.
Practical Components, www.practicalcomponents.com