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US 2025/0063310 A1Published application
Parylene electret condenser microphone backplate
AssigneeShure Acquisition Holdings, Inc.
InventorsBenjamin Jay Grigg, Donald D. Noetti
Life of this patent
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Abstract
A backplate assembly for a condenser microphone is disclosed. The backplate may be coated with a parylene configured to help reduce the flatness deviation of the backplate across the diameter of the backplate. A plurality of openings may extend from the top portion of the backplate to the bottom portion of the backplate.
Claims20
An assembly for a condenser microphone comprising:
- a backplate;
- and
- a diaphragm, wherein at least one of the diaphragm or the backplate comprises a coating of a vapor-deposited parylene electret material.
An assembly for a condenser microphone comprising:
- a diaphragm;
- and
- a backplate, wherein the backplate comprises a coating of a vapor-deposited parylene electret material on at least a portion of:
- a bottom side of the backplate;
- or
- an edge of the backplate, wherein the edge is perpendicular to the bottom side of the backplate.
3 more elements
A method comprising:
- coating a vapor-deposited parylene electret material on at least one of a backplate or a diaphragm;
- and
- assembling a condenser microphone comprising the backplate and the diaphragm.
Dependencies are inferred from the claim text.