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US 12,641,376 B2Granted
Pressure wave generating element and method for producing the same
AssigneeMurata Manufacturing Co., Ltd.
InventorKohei Fukamachi
Life of this patent
Estimating the term…
Abstract
A pressure wave generating element that includes a support; a fiber layer on the support, the fiber layer containing a fiber having a surface thereof at least partially coated with a metal coating, and the fiber in the fiber layer being oriented in a predetermined direction; and a pair of electrodes arranged so as to apply a voltage in an orientation direction of the fiber of the fiber layer.
Claims20
A pressure wave generating element comprising:
- a support;
- a fiber layer on the support, the fiber layer containing a fiber having a surface thereof at least partially coated with a metal coating, and the fiber in the fiber layer being oriented in a predetermined direction;
- and
- a pair of electrodes arranged so as to apply a voltage in an orientation direction of the fiber of the fiber layer,
- wherein the support covers an entire surface of one side of the fiber layer.
2 more elements
A method for producing a pressure wave generating element, the method comprising:
- forming a fiber film on a rotating drum using a fiber spun by an electrospinning method;
- bonding the fiber film to a support such that the support covers an entire surface of one side of the fiber film;
- and
- applying a metal coating to the fiber film to form a fiber layer.
1 more element
Dependencies are inferred from the claim text.