Continuous linear scanning of large flat panel media

Details Continuous linear scanning of large flat panel media Continuous linear scanning of large flat panel media

2007-10-19

2008-12-23

Patel, Paresh (Department: 2829)

Electricity: measuring and testing

Fault detecting in electric circuits and of electric components

Of individual circuit component or element

C324S701000, C324S1540PB

Reexamination Certificate

active

07468611

ABSTRACT:
A system performs continuous full linear scan of a flat media. The system includes, in part, a chuck, and at least first, second and third gantries. The chuck is adapted to support the flat media during the test. The first gantry includes at least one linear array of non-contacting sensors that spans the width of the flat media and is adapted to move across an entire length of the flat media. Each of the second and third gantries includes a probe head that spans the width of the flat media and each is adapted to apply an electrical signal to the flat media. Each probe head is further adapted to move along a direction substantially perpendicular to the surface of the flat media during the times when the first gantry is in motion and while test signals are being continuously applied.

REFERENCES:
patent: 4870357 (1989-09-01), Young et al.
patent: 5717780 (1998-02-01), Mitsumune et al.
patent: 2004/0100299 (2004-05-01), Murakawa et al.
patent: 2592958 (1987-07-01), None
patent: 59027379 (1984-02-01), None

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