Method of manufacturing ceramic vibration plate for speaker

Details Method of manufacturing ceramic vibration plate for speaker Method of manufacturing ceramic vibration plate for speaker

1986-10-07

1988-07-19

Derrington, James

Plastic and nonmetallic article shaping or treating: processes

Carbonizing to form article

Agglomeration or accretion

264 81, 264317, 21912166, 21912185, C04B 3564

Patent

active

047583886

ABSTRACT:
A dome shaped ceramic vibration plate for an audio speaker is manufactured by vacuum evaporation and deposition using a laser beam. The vibration plate is formed as a thin ceramic film which adheres to the surface of a mother model, which is thereafter dissolved or fused away.

REFERENCES:
patent: 3907949 (1975-09-01), Carlson

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