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US 12,624,228 B2Granted
Piezoceramic pastes with high ceramic content and method for printing same
OwnerChantal Paquet, Silvio Elton Krüger +3inventors
InventorsChantal Paquet, Silvio Elton Krüger, Thomas Lacelle, Derek Aranguren Van Egmond, Claudie Roy
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Abstract
The present disclosure is directed towards a formulation for piezoelectric materials. The formulation may be printed including 2D or 3D printing. The formulation contains ceramic particles, a sol-gel, a high boiling point solvent and a binder.
Claims19
A 3-D printable paste formulation comprising:
- ceramic particles;
- 10-20 wt. % of a sol-gel, based on total weight of the formulation;
- a high boiling point solvent having a boiling point of at least 100° C.;
- and,
- a binder,
- wherein the ceramic particles have an average particle diameter of 500 nm or greater,
- and wherein the formulation forms a self-supporting structure on printing and has a viscosity of 15,000 cP to 230,000 cP as measured when printing shear rates are in a range of 5-10 s−1.
4 more elements
Dependencies are inferred from the claim text.