Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GCO
GCO Inc
Original Assignee
GCO
GCO Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by GCO, GCO IncfiledCriticalGCO
Priority to FR7030437ApriorityCriticalpatent/FR2058979A5/fr
Application grantedgrantedCritical
Publication of FR2058979A5publicationCriticalpatent/FR2058979A5/fr
G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
G01N29/04—Analysing solids
G01N29/06—Visualisation of the interior, e.g. acoustic microscopy