JPS5884634U - scanning needle - Google Patents
scanning needleInfo
- Publication number
- JPS5884634U JPS5884634U JP18128381U JP18128381U JPS5884634U JP S5884634 U JPS5884634 U JP S5884634U JP 18128381 U JP18128381 U JP 18128381U JP 18128381 U JP18128381 U JP 18128381U JP S5884634 U JPS5884634 U JP S5884634U
- Authority
- JP
- Japan
- Prior art keywords
- scanning needle
- track
- recording medium
- scanning
- needle
- 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
Landscapes
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来の走査針と記録媒体の関係を示す斜視図で
ある。第２図は本考案の走査針の１実施例を示し、同図
ａは部分正面図、ｂは縦断面図、Ｃは底面図である。第
３図は本考案の走査針の製造工程中の部分斜視図である
。
主な図番の説明、１０・・・・・・走査針基台、１８・
・・・・・Ｕ字状条溝、１１・・・・・・電極層。FIG. 1 is a perspective view showing the relationship between a conventional scanning needle and a recording medium. FIG. 2 shows one embodiment of the scanning needle of the present invention, in which FIG. 2A is a partial front view, FIG. 2B is a longitudinal sectional view, and C is a bottom view. FIG. 3 is a partial perspective view of the scanning needle of the present invention during the manufacturing process. Explanation of main figure numbers, 10...Scanning needle base, 18.
... U-shaped groove, 11 ... Electrode layer.
Claims (1)
トラック上に静電容量の変化を呈するように収録された
情報を検出する走査針において、走査針基台の走出側表
面上に前記記録媒体から離間する方向に延在しかつ開口
巾が前記トラックの巾に比べて小占い断面がＵ字状の条
溝を設け、該条溝の底面上に電極層を設けてなる走査針
。In a scanning needle that runs relative to the extending direction of a track on a recording medium and detects information recorded on the track so as to exhibit a change in capacitance, a scanning needle is provided on the scanning needle base surface on the running side. A scanning needle provided with a groove extending in a direction away from the recording medium and having a U-shaped opening width smaller than the width of the track, and an electrode layer provided on the bottom surface of the groove. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18128381U JPS5884634U (en) | 1981-12-04 | 1981-12-04 | scanning needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18128381U JPS5884634U (en) | 1981-12-04 | 1981-12-04 | scanning needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5884634U true JPS5884634U (en) | 1983-06-08 |
Family
ID=29978620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18128381U Pending JPS5884634U (en) | 1981-12-04 | 1981-12-04 | scanning needle |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5884634U (en) |
-
1981
- 1981-12-04 JP JP18128381U patent/JPS5884634U/en active Pending
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