Our Products
Graco has been an industry leading supplier of piezoelectric products for over 25 years. We offer many shapes including but not limited to: rings, bars, cylinders, rods, plates, bimorphs, unimorphs, spheres, blocks, focal bowls, tubes, WAE, tangenial tubes, and tonpilz stacks.

Piezoceramic Rings

Washer shaped piezo with electrodes on the flat surfaces. Sizes from 3mm to 100mm OD
Bars

Rectangular piezo with one side significantly larger. Sizes from 1-50mm in Sizes from 1 mm to 100 mm.
Rods

Solid cylindrical shape. Sizes from 1-100 mm's in diameter.


Plates

Rectangular shapes with varying dimensions.
Tangential Tubes

Cylindrical parts with electrodes on the OD and ID.
Spheres

Two half spheres bonded together. Sizes from 12.7-100mm.


WAE

Wrap Around Electrode for wiring on one surface.
Unimorph

Thin disc glued to a metal plate.
Gold Plated Medical Components

Nickel also available.


Focal Bowl

Hemispheres used for High Focused Ultrasound.
Hemisphere

Bowl shaped part with an area of 1/2 sphere or less. Sizes range from 12.7mm-100mm.
Tonpilz Stacks

A stack of 2 or more rings or discs with a rear mass and front horn. Used in ultrasonic applications.


Assemblies

Added value products such as wired and/or mounted piezos, stacks, transducers, and sensors built to custom specs.
Blocks

Square or large thick rectangular piezo. Available in sizes from 2mm square to 100mm long.
Discs

Round piezo with diameters from 1mm-150mm that are electroded on the flat surfaces.


Tubes

A cylindrical part with electrodes on the OD and ID. The ID is generally polled positive. Sizes range from 3mm-100mm.
Ultrasonic Transducers

Two or more discs or rings stacked with metal masses to focus the energy toward the cleaning tank.