JP2005354473A5 - - Google Patents
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- Publication number
- JP2005354473A5 JP2005354473A5 JP2004173947A JP2004173947A JP2005354473A5 JP 2005354473 A5 JP2005354473 A5 JP 2005354473A5 JP 2004173947 A JP2004173947 A JP 2004173947A JP 2004173947 A JP2004173947 A JP 2004173947A JP 2005354473 A5 JP2005354473 A5 JP 2005354473A5
- Authority
- JP
- Japan
- Prior art keywords
- ultrasonic transducer
- reflector
- ultrasonic
- pair
- length
- 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.)
- Pending
Links
- 239000012528 membrane Substances 0.000 claims description 81
- 239000010408 film Substances 0.000 description 75
- 230000000694 effects Effects 0.000 description 17
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 10
- 239000003990 capacitor Substances 0.000 description 10
- 229920006254 polymer film Polymers 0.000 description 9
- 239000000919 ceramic Substances 0.000 description 8
- 239000010409 thin film Substances 0.000 description 8
- 230000010356 wave oscillation Effects 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 229910052759 nickel Inorganic materials 0.000 description 6
- 229920000139 polyethylene terephthalate Polymers 0.000 description 6
- 239000005020 polyethylene terephthalate Substances 0.000 description 6
- 230000005236 sound signal Effects 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000004734 Polyphenylene sulfide Substances 0.000 description 4
- 239000004020 conductor Substances 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 230000010355 oscillation Effects 0.000 description 4
- -1 polyethylene terephthalate Polymers 0.000 description 4
- 239000002861 polymer material Substances 0.000 description 4
- 229920000069 polyphenylene sulfide Polymers 0.000 description 4
- 229910001369 Brass Inorganic materials 0.000 description 3
- 239000010951 brass Substances 0.000 description 3
- 230000008021 deposition Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229920006324 polyoxymethylene Polymers 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 238000007740 vapor deposition Methods 0.000 description 3
- 229920001342 Bakelite® Polymers 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 239000004637 bakelite Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 238000010292 electrical insulation Methods 0.000 description 2
- 239000007772 electrode material Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052738 indium Inorganic materials 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 239000011112 polyethylene naphthalate Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 229910052718 tin Inorganic materials 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 241000282472 Canis lupus familiaris Species 0.000 description 1
- 241000282326 Felis catus Species 0.000 description 1
- 239000002033 PVDF binder Substances 0.000 description 1
- 229930040373 Paraformaldehyde Natural products 0.000 description 1
- 229930182556 Polyacetal Natural products 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 229910003481 amorphous carbon Inorganic materials 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 239000013590 bulk material Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000009022 nonlinear effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004173947A JP2005354473A (ja) | 2004-06-11 | 2004-06-11 | 超音波トランスデューサ及びこれを用いた超音波スピーカ |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004173947A JP2005354473A (ja) | 2004-06-11 | 2004-06-11 | 超音波トランスデューサ及びこれを用いた超音波スピーカ |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2005354473A JP2005354473A (ja) | 2005-12-22 |
| JP2005354473A5 true JP2005354473A5 (enrdf_load_stackoverflow) | 2007-08-02 |
Family
ID=35588533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2004173947A Pending JP2005354473A (ja) | 2004-06-11 | 2004-06-11 | 超音波トランスデューサ及びこれを用いた超音波スピーカ |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2005354473A (enrdf_load_stackoverflow) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4803246B2 (ja) * | 2008-12-19 | 2011-10-26 | セイコーエプソン株式会社 | 超音波スピーカ、音声信号再生方法、超指向性音響システム |
| JP4803245B2 (ja) * | 2008-12-19 | 2011-10-26 | セイコーエプソン株式会社 | 静電型超音波トランスデューサ |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS467879Y1 (enrdf_load_stackoverflow) * | 1970-07-01 | 1971-03-19 | ||
| JPS54102119A (en) * | 1978-01-30 | 1979-08-11 | Toshiba Corp | Production of electrostatic type electro-acoustic transducer |
| JPS61123389A (ja) * | 1984-11-20 | 1986-06-11 | Matsushita Electric Ind Co Ltd | パラメトリツクスピ−カ |
| JP3281887B2 (ja) * | 1993-07-30 | 2002-05-13 | ソニー株式会社 | 静電容量型スピーカー用振動板 |
| JPH09284897A (ja) * | 1996-04-17 | 1997-10-31 | Yamaha Corp | 電気音響変換器 |
| US6304662B1 (en) * | 1998-01-07 | 2001-10-16 | American Technology Corporation | Sonic emitter with foam stator |
| WO2003032678A2 (en) * | 2001-10-09 | 2003-04-17 | Frank Joseph Pompei | Ultrasonic transducer for parametric array |
-
2004
- 2004-06-11 JP JP2004173947A patent/JP2005354473A/ja active Pending
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