JPS6123718B2 - - Google Patents
Info
- Publication number
- JPS6123718B2 JPS6123718B2 JP8140679A JP8140679A JPS6123718B2 JP S6123718 B2 JPS6123718 B2 JP S6123718B2 JP 8140679 A JP8140679 A JP 8140679A JP 8140679 A JP8140679 A JP 8140679A JP S6123718 B2 JPS6123718 B2 JP S6123718B2
- Authority
- JP
- Japan
- Prior art keywords
- film
- graphite powder
- diaphragm
- thermoplastic resin
- glass transition
- 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
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 25
- 230000009477 glass transition Effects 0.000 claims description 13
- 229920005992 thermoplastic resin Polymers 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 11
- 239000005033 polyvinylidene chloride Substances 0.000 claims description 7
- 229920001328 Polyvinylidene chloride Polymers 0.000 claims description 5
- 229920001577 copolymer Polymers 0.000 claims description 5
- 229920000131 polyvinylidene Polymers 0.000 claims description 2
- 229920005989 resin Polymers 0.000 description 12
- 239000011347 resin Substances 0.000 description 12
- 238000000034 method Methods 0.000 description 7
- 239000007769 metal material Substances 0.000 description 6
- 239000004800 polyvinyl chloride Substances 0.000 description 6
- 239000000203 mixture Substances 0.000 description 5
- 229920000915 polyvinyl chloride Polymers 0.000 description 4
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- UQLDLKMNUJERMK-UHFFFAOYSA-L di(octadecanoyloxy)lead Chemical compound [Pb+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O UQLDLKMNUJERMK-UHFFFAOYSA-L 0.000 description 3
- 238000004898 kneading Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 229920002239 polyacrylonitrile Polymers 0.000 description 3
- 239000010936 titanium Substances 0.000 description 3
- 229910052719 titanium Inorganic materials 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
- 239000002131 composite material Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000001747 exhibiting effect Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 239000004014 plasticizer Substances 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 239000003381 stabilizer Substances 0.000 description 2
- 238000007666 vacuum forming Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000004918 carbon fiber reinforced polymer Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000003562 lightweight material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000000123 paper Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920002689 polyvinyl acetate Polymers 0.000 description 1
- 239000011118 polyvinyl acetate Substances 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
- H04R7/12—Non-planar diaphragms or cones
- H04R7/122—Non-planar diaphragms or cones comprising a plurality of sections or layers
- H04R7/125—Non-planar diaphragms or cones comprising a plurality of sections or layers comprising a plurality of superposed layers in contact
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 |
|---|---|---|---|
| JP8140679A JPS566596A (en) | 1979-06-29 | 1979-06-29 | Diaphragm for acoustic apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8140679A JPS566596A (en) | 1979-06-29 | 1979-06-29 | Diaphragm for acoustic apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS566596A JPS566596A (en) | 1981-01-23 |
| JPS6123718B2 true JPS6123718B2 (US20100056889A1-20100304-C00004.png) | 1986-06-06 |
Family
ID=13745439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8140679A Granted JPS566596A (en) | 1979-06-29 | 1979-06-29 | Diaphragm for acoustic apparatus |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS566596A (US20100056889A1-20100304-C00004.png) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6440915U (US20100056889A1-20100304-C00004.png) * | 1987-09-04 | 1989-03-10 |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2674718A1 (fr) * | 1991-03-28 | 1992-10-02 | Commissariat Energie Atomique | Procede de fabrication d'une membrane de haut-parleur electrodynamique a pertes internes elevees et a grande rigidite. |
-
1979
- 1979-06-29 JP JP8140679A patent/JPS566596A/ja active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6440915U (US20100056889A1-20100304-C00004.png) * | 1987-09-04 | 1989-03-10 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS566596A (en) | 1981-01-23 |
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