Blade assembly cover

Details Blade assembly cover Blade assembly cover

2005-05-03

2005-05-03

Shoap, Allan N. (Department: 3724)

Cutting

Rotatable disc tool pair or tool and carrier

With guard for tool

C083S544000, C144S189000, C172S178000, C407S031000

Reexamination Certificate

active

06886441

ABSTRACT:
A gang blade assembly which controls the trajectory of detritus from a ball grid array substrate dicing operation is described. The assembly includes a cover which partially encases a hub with a plurality of blades. A brush is mounted on the cover to disrupt an air flow created by rotation of the hub and blades. The brush extends beneath the cover and has bristles which contact the hub. The bristles also serve to clear the hub of any detritus produced during dicing. More than one brush may be mounted on the cover.

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