Heat spreaders, stiffeners

Matrix-type heat spreader frames: etched, black epoxy top, and before downset

Black oxide matrix-type heat spreader frames

Frame-type heat spreaders and stiffeners for high-end FBGA substrates, replacing conventional drop-in heat spreaders placed one by one. We were the first in the world to develop and supply them.

Application: High-end FBGA substrates
Downset depth: Up to 0.8 to 1 mm
Quality: No warpage, twist, crossbow or coil set. No lid tilt or shift. Controlled overall coplanarity
Surface finish: Black oxide, black epoxy top
Capacity: Downset 200,000 frames a month
Downset tools: 14×14, 15×15 (3×3×4)
19×19, 21×21 (2×2×4)
31×31 (1×1×4)

Key process

Etching
Black oxide
Black epoxy top
Deep downsetCritical step