JPH0422800U - - Google Patents
Info
- Publication number
- JPH0422800U JPH0422800U JP6294590U JP6294590U JPH0422800U JP H0422800 U JPH0422800 U JP H0422800U JP 6294590 U JP6294590 U JP 6294590U JP 6294590 U JP6294590 U JP 6294590U JP H0422800 U JPH0422800 U JP H0422800U
- Authority
- JP
- Japan
- Prior art keywords
- ultrasonic
- adhesive
- reflection sheet
- wavelength
- approximately
- 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
- 239000000853 adhesive Substances 0.000 claims description 2
- 230000001070 adhesive effect Effects 0.000 claims description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
Landscapes
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Description
第１図はこの考案の実施例の斜視図、第２図Ａ
は第１図の拡大平面図、第２図ＢはそのＢ−Ｂ線
に沿う断面図、第３図は第１図の超音波反射防止
シートで反射した超音波の反射波を示す波形図、
第４図Ａ及びＢは超音波反射防止シートにおける
凹凸模様の他の例を示す平面図、第５図は超音波
検出装置による検出の一例を示す平面図である。
１……超音波反射防止シート、２……凸部、３
……凹部、４……粘着剤。
Figure 1 is a perspective view of an embodiment of this invention, Figure 2A
is an enlarged plan view of FIG. 1, FIG. 2B is a cross-sectional view taken along the line B-B, and FIG. 3 is a waveform diagram showing reflected waves of ultrasound reflected by the ultrasonic anti-reflection sheet of FIG. 1.
4A and 4B are plan views showing other examples of uneven patterns on the ultrasonic antireflection sheet, and FIG. 5 is a plan view showing an example of detection by an ultrasonic detection device. 1...Ultrasonic anti-reflection sheet, 2...Protrusion, 3
...Concavity, 4...Adhesive.
Claims (1)
部と凹部とを可撓性のシートの表面にほぼ同一の
面積比で分布させ、その裏面に粘着剤を施したこ
とを特徴とする超音波反射防止用シート。 It is characterized in that convex portions and concave portions having a step difference of 1/4 of the wavelength of the ultrasonic waves used are distributed at approximately the same area ratio on the surface of a flexible sheet, and an adhesive is applied to the back surface. Ultrasonic anti-reflection sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6294590U JPH0422800U (en) | 1990-06-14 | 1990-06-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6294590U JPH0422800U (en) | 1990-06-14 | 1990-06-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0422800U true JPH0422800U (en) | 1992-02-25 |
Family
ID=31592554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6294590U Pending JPH0422800U (en) | 1990-06-14 | 1990-06-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0422800U (en) |
-
1990
- 1990-06-14 JP JP6294590U patent/JPH0422800U/ja active Pending