Ultrasonic transducer assembly and ultrasonic acoustic microscope
Patent 5079952 Issued on January 14, 1992. Estimated Expiration Date: 
March 20, 2010. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
March 20, 2010. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3380293 3712119 3924454 Testing method using ultrasonic energy Patent #: 4080839 InventorsAssigneeApplicationNo. 495961 filed on 03/20/1990US Classes:73/624, Having separate sonic transmitter and receiver73/633, Having transducer scanning means73/641Plural sonic transmitters or receiversExaminersPrimary: Williams, HezronAssistant: Finley, Rose M. Attorney, Agent or FirmInternational ClassesG01N 029/06G01N 029/24 Foreign Application Priority Data1989-03-25 JPAbstractVarious ultrasonic transducer assemblies are disclosed in which each assembly includes a pair of ultrasonic transducers for emitting or receiving an ultrasonic wave, respectively, and wherein the ultrasonic transducers include a concave shaped ultrasonic transducer and a flat shaped ultrasonic transducer. The ultrasonic transducer assemblies realize excellent magnitude of accuracy, resolving power, versatility and simplicity in handling. In addition, various ultrasonic acoustic microscopes are disclosed incorporating the aforementioned ultrasonic transducer assemblies and realizing the same results thereof.Field of SearchHaving mechanical delay or mechanical blockingBy reflected wave Having separate sonic transmitter and receiver Having plural sonic type transmitter or receiver transducers Having plural sonic type transmitters or receivers tranducers Sonic wave transmitter or receiver transducer Having transducer scanning means Plural sonic transmitters or receivers Having wave shaping means | |
