Method of manufacturing acoustic surface wave device
Patent 4314393 Issued on February 9, 1982. Estimated Expiration Date: 
March 26, 2000. 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 26, 2000. 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 ReferencesApparatus and method for tuning electro-mechanical filter components Patent #: 4112360 InventorsApplicationNo. 06/133964 filed on 03/26/1980US Classes:29/25.35, PIEZOELECTRIC DEVICE MAKING29/593, Including measuring or testing of device or component part324/727, Piezoelectric crystal testing (e.g., frequency, resistance)324/76.49Tuned mechanical resonator (e.g., reed, piezocrystal, etc.)ExaminersPrimary: Hall, Carl E.Attorney, Agent or FirmInternational ClassesG01R 31/02 (20060101)H03H 3/08 (20060101) H03H 3/00 (20060101) Foreign Application Priority Data1979-04-02 JPAbstractA method of manufacturing an acoustic surface wave device comprising: forming two pairs of transducers, a multistrip coupler and lead patterns for electrically shorting at least one pair of the transducers on a piezoelectric material; mounting the piezoelectric material on a package base having pins; bonding the electrodes of the opened transducers to the pins by wires, and; testing the device by applying and obtaining signals of the opened transducers through the pins. In this manufacturing method, testing is carried out without using probing technology.Field of SearchPIEZOELECTRIC DEVICE MAKING | |
