Apparatus for measuring intensity of ultrasonic waves in a clean

Details Apparatus for measuring intensity of ultrasonic waves in a clean Apparatus for measuring intensity of ultrasonic waves in a clean

1997-07-15

1999-10-05

Oda, Christine K.

Measuring and testing

Instrument proving or calibrating

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

73649, G01D 1800

Patent

active

059627735

ABSTRACT:
An apparatus for measuring the intensity of ultrasonic waves generated by a diaphragm including a plurality of vibrators in a cleaning tank is provided. The apparatus includes a frame having bars corresponding to each side of a hexahedron, and a plurality of aluminum foils spaced a predetermined interval apart from each other and perpendicular to four parallel bars of the frame. The apparatus for measuring the intensity of ultrasonic waves can be used for cleaning a shadow mask during manufacture of a cathode ray tube.

REFERENCES:
patent: 4453408 (1984-06-01), Clayman
patent: 4903523 (1990-02-01), Flynn
patent: 5433102 (1995-07-01), Pedziwiatr
patent: 5440914 (1995-08-01), Tachibana
patent: 5660909 (1997-08-01), Tachibana

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