US 12,463,066 B2
Systems for stretching a die source, and related methods
Hendrikus Antonius Fransen, Budel-Schoot (NL); and René Christoffel Bouman, Vught (NL)
Assigned to Kulicke & Soffa Netherlands B.V., Eindhoven (NL)
Filed by Kulicke & Soffa Netherlands B.V., Eindhoven (NL)
Filed on Jan. 3, 2023, as Appl. No. 18/092,907.
Claims priority of provisional application 63/296,200, filed on Jan. 4, 2022.
Prior Publication US 2024/0222164 A1, Jul. 4, 2024
Int. Cl. H01L 21/67 (2006.01)
CPC H01L 21/67132 (2013.01) [H01L 2221/68336 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A system for stretching a die source, the system comprising:
a stretch ring for holding a carrier sheet, the carrier sheet supporting a die source, the die source including a plurality of die; and
driver for contacting the carrier sheet through the stretch ring, an area occupied by the die source being increased by contact between the driving member and the carrier sheet,
wherein an internal shape of the stretch ring includes a circular base shape, and four inwardly protruding extensions from the circular base shape providing the internal shape of the stretch ring to be non-circular.