B - Operations – Transporting – 24 – B
Patent
B - Operations, Transporting
24
B
51/12, 33/132, 5
B24B 49/10 (2006.01) B23Q 17/22 (2006.01) B24B 41/00 (2006.01) G01B 7/06 (2006.01) H05K 1/02 (2006.01) H05K 3/02 (2006.01) H05K 3/00 (2006.01) H05K 3/42 (2006.01)
Patent
CA 1300890
Applicants: Dawson et al. For: Improved Grinding Guide and Method ABSTRACT OF DISCLOSURE A guide for the grinding of a surface of an object having a region to be exposed, including at least two conductive leads and a conductive control track. Each conductive lead is associated with a different face of the object, and the control track interconnects the leads and extends across the surface to be ground which lies between the faces. At least a portion of the rear edge of the track is precisely located with respect to a predetermined grinding depth of the region so that a break in the track occurs with the grinding of the surface to that grinding depth.
555207
Dawson Thomas F.
Ewing Paul C. Jr.
Dawson Thomas F.
Ewing Paul C. Jr.
Fetherstonhaugh & Co.
Stark (charles) Draper Laboratory Inc. (the)
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