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Specification 1, Name of the Invention Diaphragm 1 for Speakers 1) A dream skin material
consisting of a boron-aluminum-boronic complex in which n-bonded n-bonded boron fibers are
embedded in an aluminum foil on a substrate made of a porous material ? Speaker diaphragm
characterized by the above.
4. Brief description of the drawings. FIG. 1 is a cross-sectional view of the speaker diaphragm of
the present invention, FIG. 2 is a cross-sectional perspective view of a boron fiber used in the
present invention, and IJ. Figure 4 is a cross-sectional view of the composite used in the present
invention, (1) is a porous metal, (2) is a skin material, (3) is a composite, (4) is boron Fiber, (7)
aluminum foil! Each show-L patent applicant Sanyo Electric Co., Ltd. representative Ige Kei
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