Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1985-09-03
1987-03-10
Whitehead, Harold D.
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
51281R, 29593, 29847, B24B 4910
Patent
active
046482113
ABSTRACT:
A guide for the grinding of a surface of an object having a region to be examined is provided by this invention. The guide includes at least two conductive leads and a conductive control track interconnecting the conductive leads and extending across the surface to be ground. 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.
REFERENCES:
patent: 4477968 (1984-09-01), Kracke
IBM Tech Disclosure Bulletin, vol. 13, No. 4, "Polishing Apparatus", P. J. Grandison, 9-1970.
Dawson Thomas F.
Ewing, Jr. Paul C.
Denninger Douglas E.
Iandiorio Joseph S.
The Charles Stark Draper Laboratory Inc.
Whitehead Harold D.
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