Diaphragm for acoustic equipment

Details Diaphragm for acoustic equipment Diaphragm for acoustic equipment

1988-11-25

1991-12-17

Brown, Brian W.

Acoustics

Diaphragm

Critically defined material or coating

G10K 1300, H04R 700

Patent

active

050728067

ABSTRACT:
A diaphragm for acoustic equipment wherein a surface-hardened layer of SiC film is formed on the surface of the diaphragm substrate comprising a completely carbonaceous film. Thus, the diaphragm for acoustic equipment having superior acoustic characteristics by utilizing the superior physical characteristics of carbon can be used effectively as a diaphragm for digital-audio equipment which are now very popular.

REFERENCES:
patent: 4618591 (1986-10-01), Okamura et al.

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