JPH0314396B2 - - Google Patents
Info
- Publication number
- JPH0314396B2 JPH0314396B2 JP271785A JP271785A JPH0314396B2 JP H0314396 B2 JPH0314396 B2 JP H0314396B2 JP 271785 A JP271785 A JP 271785A JP 271785 A JP271785 A JP 271785A JP H0314396 B2 JPH0314396 B2 JP H0314396B2
- Authority
- JP
- Japan
- Prior art keywords
- diaphragm
- diamond
- alumina
- speaker
- carbon
- Prior art date
- 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.)
- Expired
Links
- 229910003460 diamond Inorganic materials 0.000 claims description 15
- 239000010432 diamond Substances 0.000 claims description 15
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 10
- 229910052799 carbon Inorganic materials 0.000 claims description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 239000000463 material Substances 0.000 description 9
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 5
- 238000005229 chemical vapour deposition Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005268 plasma chemical vapour deposition Methods 0.000 description 3
- 229910052790 beryllium Inorganic materials 0.000 description 2
- ATBAMAFKBVZNFJ-UHFFFAOYSA-N beryllium atom Chemical compound [Be] ATBAMAFKBVZNFJ-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000007733 ion plating Methods 0.000 description 2
- 238000010884 ion-beam technique Methods 0.000 description 2
- 239000012808 vapor phase Substances 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 229910003481 amorphous carbon Inorganic materials 0.000 description 1
- QZPSXPBJTPJTSZ-UHFFFAOYSA-N aqua regia Chemical compound Cl.O[N+]([O-])=O QZPSXPBJTPJTSZ-UHFFFAOYSA-N 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 238000007738 vacuum evaporation Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP271785A JPS61161897A (ja) | 1985-01-10 | 1985-01-10 | スピ−カ−振動板 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP271785A JPS61161897A (ja) | 1985-01-10 | 1985-01-10 | スピ−カ−振動板 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61161897A JPS61161897A (ja) | 1986-07-22 |
| JPH0314396B2 true JPH0314396B2 (enrdf_load_stackoverflow) | 1991-02-26 |
Family
ID=11537058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP271785A Granted JPS61161897A (ja) | 1985-01-10 | 1985-01-10 | スピ−カ−振動板 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61161897A (enrdf_load_stackoverflow) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0459425A1 (en) * | 1990-05-30 | 1991-12-04 | Idemitsu Petrochemical Company Limited | Process for the preparation of diamond |
| GB0500788D0 (en) | 2005-01-14 | 2005-02-23 | Element Six Ltd | Rigid three-dimensional components |
-
1985
- 1985-01-10 JP JP271785A patent/JPS61161897A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61161897A (ja) | 1986-07-22 |
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