SEISMIC ISOLATION SYSTEM OF A DEVICE STRUCTURE, CAPABLE OF PREVENTING DAMAGE TO A DEVICE STRUCTURE BY EFFICIENTLY ABSORBING VIBRATIONS DURING A MAJOR EARTHQUAKE

摘要

PURPOSE: A seismic isolation system of a device structure is provided to offer stability by minimizing vibration of a structure even during a minor earthquake.;CONSTITUTION: A seismic isolation system of a device structure comprises an upper plate(10) and a lower plate(12). The inner parts of the upper and lower plates have the same curved surface structure. The curved surface comprises an inner curved surface part and an edge curved surface part. The inner curved surface comprises first and second curved surface parts. The first curved surface part comprises an uneven surface formed with protrusions and grooves separated at a constant distance by turns. The protrusions and grooves have longer widths than lengths.;COPYRIGHT KIPO 2012