Hand Soldering BGA Wafer Chips

And here we've been complaining about Flat Pack No-Lead chips when this guy is prototyping with Ball Grid Array in a Wafer-Level Chip Scale Package (WLCSP). Haven't heard that acronym before? Neither

Laser Solder Ball Jetting, Knowledge Base Document

China Bga Chip Repair Machine, Bga Chip Repair Machine

Packages NXP Semiconductors

Are WLCSP the Solution during Silicon Shortage?

Evaluations of the BGA solder ball shape by using energy method

No Caffeine, No Problem: A Hand-Soldered Chip-Scale Package

What Causes BGA Crosstalk?, PCB Design Blog

Ball grid array - Wikipedia

Flip chip - Wikipedia

BGA reballing (replacing all soldered balls on the chip ball grid

Super BGA (SBGA) Dummy Component