JPH01129998U - - Google Patents

Info

Publication number

JPH01129998U

JPH01129998U JP2449888U JP2449888U JPH01129998U JP H01129998 U JPH01129998 U JP H01129998U JP 2449888 U JP2449888 U JP 2449888U JP 2449888 U JP2449888 U JP 2449888U JP H01129998 U JPH01129998 U JP H01129998U

Authority

JP

Japan

Prior art keywords

voice coil

inorganic

speaker

coil bobbin

bobbin

Prior art date

1988-02-27

Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)

Pending

Links

• Espacenet
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• 229910010272 inorganic material Inorganic materials 0.000 claims description 7
• 239000011147 inorganic material Substances 0.000 claims description 7
• 239000000463 material Substances 0.000 claims description 4
• 230000003014 reinforcing effect Effects 0.000 claims description 2
• HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims 3
• 229910010271 silicon carbide Inorganic materials 0.000 claims 3
• 229910018072 Al 2 O 3 Inorganic materials 0.000 claims 2
• OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims 2
• 229910052581 Si3N4 Inorganic materials 0.000 claims 2
• 229910052799 carbon Inorganic materials 0.000 claims 2
• 239000000835 fiber Substances 0.000 claims 2
• TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims 2
• HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims 2
• -1 Si 3 N 4 Chemical compound 0.000 claims 1
• 229910003465 moissanite Inorganic materials 0.000 claims 1
• WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
• 238000004519 manufacturing process Methods 0.000 description 1