C - Chemistry – Metallurgy – 03 – B
Patent
C - Chemistry, Metallurgy
03
B
164/36
C03B 33/02 (2006.01) B25H 7/04 (2006.01) C03B 33/027 (2006.01) C03B 33/037 (2006.01) C03B 33/10 (2006.01)
Patent
CA 1112150
ABSTRACT OF THE DISCLOSURE Apparatus for scribing a planar work piece includes a vacuum chuck table and a scribe bridge assembly moveable along shaft tracks straddling the table surface. The bridge assembly supports first and second sets of scribe devices which can be alternately rotated into engagement with a work piece as the bridge assembly moves along the tracks. The assembly is driven at both ends by chain drives for synchronized movement. -1-
340489
Bergfelt Nils H.
Bruce H. William
Roeser Heinz J.
Optical Coating Laboratory Inc.
Smart & Biggar
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