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US 2026/0293529 A1Published application
Ceramic speaker
AssigneeAmosense Co., Ltd.
InventorsJae-Yong SONG, Jong-Kwan CHOI, Jeong-Sang YU, Chang-Woo OH
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Abstract
Provided is a ceramic speaker composition that includes a ceramic, a sintering aid, and an oxide-based additive containing Bi2O3. The composition can be formed into a thin film, can be co-sintered with internal electrodes, and has excellent piezoelectric properties, and thus has the effects of exhibiting excellent performance and a high permittivity when applied to speakers.
Claims10
A ceramic speaker comprising:
- a ceramic sheet comprising two or more layers of sheets;
- and
- an electrode layer comprising metal layers disposed on an uppermost surface and a lowermost surface of the ceramic sheet and at interfaces between the respective sheets.
Dependencies are inferred from the claim text.