Browse Prior Art Database

Improved Construction of Bender Element Squeeze Bearings

IP.com Disclosure Number: IPCOM000060919D
Original Publication Date: 1986-Jun-01
Included in the Prior Art Database: 2005-Mar-09

Publishing Venue

IBM

Related People

Authors:
Scranton, RA Thompson, DA [+details]

Abstract

A disk-shaped pneumatodynamic bearing including at least one layer of piezoelectric material in a sandwich with another layer has electrical and mechanical connections made at the nodal circle of the disk at which no motion occurs during vibration. The disks are made of ceramic material with via connections at the nodal circle to the inner surface of the piezoelectric material. Alternatively, a cylindrical form of pneumatodynamic bearing mounted at nodal points and connected electrically at nodal points also includes via connections through the ceramic material to the inner surfaces of the ceramic material from which the cylinder is constructed. Ceramic transducers are manufactured by using piezoceramic material in the ceramic green sheet (unfired soft form) which is laminated together and then perforated.