Non-destructive eddy current part testing using thermal printing

Details Non-destructive eddy current part testing using thermal printing Non-destructive eddy current part testing using thermal printing

1993-02-23

1994-11-08

Strecker, Gerard R.

Electricity: measuring and testing

Magnetic

With means to create magnetic field to test material

33666, 324226, 324262, 246 33F, G01N 2790, G01D 900, G01D 1510

Patent

active

053630408

ABSTRACT:
A scan head includes an eddy current probe and a thermal print head. A sheet of thermal paper is mounted to the top of a laminated part being inspected and the scan head is moved across the surface of the part. A map of defect markings will appear on the thermal paper in a 1-to-1 relationship with the actual sub-surface defects. This greatly expedites the inspection process since the mapped defects are in spatial correspondence with the actual part.

REFERENCES:
patent: 1971189 (1934-08-01), Leibing
patent: 2129058 (1938-09-01), Hedden
patent: 2660704 (1953-11-01), Harmon et al.
patent: 3611121 (1971-10-01), Vild et al.
patent: 4365198 (1982-12-01), Toth
patent: 5172055 (1992-12-01), Horn

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