Ultrasonic inspection reference standard for composite...

Details Ultrasonic inspection reference standard for composite... Ultrasonic inspection reference standard for composite...

2008-01-22

2008-01-22

Larkin, Daniel S. (Department: 2856)

Measuring and testing

Instrument proving or calibrating

Apparatus for measuring by use of vibration or apparatus for...

Reexamination Certificate

active

07320241

ABSTRACT:
An ultrasonic inspection reference standard for a composite material includes a block comprising the composite material. The block further comprises a first plurality of parallel rectangular-shaped channels within the block and a second plurality of parallel rectangular-shaped channels within the block, wherein the second plurality of channels extend at about a ninety degree angle to the first plurality of channels and wherein the second plurality of channels is located on a separate plane as the first plurality of channels.

REFERENCES:
patent: 5054310 (1991-10-01), Flynn
patent: 5312755 (1994-05-01), Madsen et al.
patent: 5656763 (1997-08-01), Flax
patent: 6238343 (2001-05-01), Madsen et al.
patent: 6405583 (2002-06-01), Shirakawabe et al.
patent: 2006/0213250 (2006-09-01), Vaccaro et al.
patent: WO 9013024 (1990-11-01), None

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