JPH01122947U - - Google Patents
Info
- Publication number
- JPH01122947U JPH01122947U JP1981388U JP1981388U JPH01122947U JP H01122947 U JPH01122947 U JP H01122947U JP 1981388 U JP1981388 U JP 1981388U JP 1981388 U JP1981388 U JP 1981388U JP H01122947 U JPH01122947 U JP H01122947U
- Authority
- JP
- Japan
- Prior art keywords
- thermal head
- glass layer
- ceramic substrate
- heating pattern
- magnet
- 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
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- Electronic Switches (AREA)
Description
第１図は本考案のサーマルヘツドの一実施例を
示す主要断面図。第２図は本考案のサーマルヘツ
ドと従来のサーマルヘツドの基板の昇温特性図。
第３図ａ〜ｃは本考案のメカニズムを示す断面図
。第４図は従来のサーマルヘツドの断面構造図。
１，４１……ヒーター部、２，３２，４２……
基板、３……シート状磁石、４……スペーサー、
５，３５……裏カバー、６，３６……磁性流体、
７……昇温した磁性流体、８……ガラス層、９…
…アルミ放熱板、３３……磁石、Ａ……本考案の
サーマルヘツドの特性、Ｂ……従来のサーマルヘ
ツドの特性。
FIG. 1 is a main sectional view showing an embodiment of the thermal head of the present invention. FIG. 2 is a diagram showing the temperature rise characteristics of the substrates of the thermal head of the present invention and a conventional thermal head.
FIGS. 3a to 3c are cross-sectional views showing the mechanism of the present invention. FIG. 4 is a cross-sectional structural diagram of a conventional thermal head. 1,41...Heater part, 2,32,42...
Substrate, 3... sheet magnet, 4... spacer,
5, 35... Back cover, 6, 36... Magnetic fluid,
7... Temperature-elevated magnetic fluid, 8... Glass layer, 9...
...Aluminum heat sink, 33...Magnet, A...Characteristics of the thermal head of the present invention, B...Characteristics of the conventional thermal head.
Claims (1)
層上に微細加工された発熱パターンが形成された
サーマルヘツドにおいて、前記発熱パターンの形
成された面とは相反するセラミツク基板面に磁性
流体と磁石を具備したことを特徴とするサーマル
ヘツド。 In a thermal head that has a glass layer on a ceramic substrate and a microfabricated heating pattern formed on the glass layer, a magnetic fluid and a magnet are applied to the surface of the ceramic substrate opposite to the surface on which the heating pattern is formed. A thermal head characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1981388U JPH01122947U (en) | 1988-02-17 | 1988-02-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1981388U JPH01122947U (en) | 1988-02-17 | 1988-02-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01122947U true JPH01122947U (en) | 1989-08-21 |
Family
ID=31235651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1981388U Pending JPH01122947U (en) | 1988-02-17 | 1988-02-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01122947U (en) |
-
1988
- 1988-02-17 JP JP1981388U patent/JPH01122947U/ja active Pending