A piezoelectric vibrator includes a piezoelectric plate having electrodes respectively provided on a top and a bottom, and leads each extending from the respective electrode. A plurality of supports fix an edge portion of the piezoelectric plate including the leads by a conductive adhesive, and a base formed of an insulator, supports the plurality of supports. The plurality of supports each include a lower portion for sustaining the piezoelectric plate and are provided with a U-shaped section. The lower portion is longer than an upper portion included in each of the plurality of supports, the upper portion for supporting the top of the piezoelectric plate.

A resonator mounting assembly wherein the resonator blank is mounted agai an essentially planar surface presented by a plurality of peripherally disposed mounting clips and bonded to this surface to provide substantially all the mechanical support for the blank in a direction normal to the major faces of the resonator blank, while being flexible in the directions parallel to said major faces so as to minimize radial stresses on the resonator blank, particularly during thermal cycling of the resonator assembly. The clips are fabricated of a low thermal expansion material, such as molybdenum, which also has considerable yield strength after exposure to processing temperatures; the bonding of the clips to the edges of the resonator blank can be achieved by a polyimide containing electrically conductive particles.