JPS63172647U - - Google Patents
Info
- Publication number
- JPS63172647U JPS63172647U JP6642187U JP6642187U JPS63172647U JP S63172647 U JPS63172647 U JP S63172647U JP 6642187 U JP6642187 U JP 6642187U JP 6642187 U JP6642187 U JP 6642187U JP S63172647 U JPS63172647 U JP S63172647U
- Authority
- JP
- Japan
- Prior art keywords
- common electrode
- heating resistors
- common
- thermal head
- heating
- 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
- 238000010438 heat treatment Methods 0.000 claims description 5
- 239000000758 substrate Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Electronic Switches (AREA)
Description
第１図と第２図はこの考案の実施例であるサー
マルヘツドの構造を表す平面図および縦断面図、
第３図は同サーマルヘツドの特性を表す図、第４
図は前記サーマルヘツドの等価回路を表す図、第
５図は従来のサーマルヘツドの構造を表す平面図
、第６図はその特性を表す図である。
１―サーマルヘツド、２―基板、３―発熱抵抗
体、４，５―リード電極、７―コモン電極。
Figures 1 and 2 are a plan view and a longitudinal sectional view showing the structure of a thermal head that is an embodiment of this invention;
Figure 3 is a diagram showing the characteristics of the same thermal head, Figure 4 is a diagram showing the characteristics of the thermal head.
5 is a diagram showing an equivalent circuit of the thermal head, FIG. 5 is a plan view showing the structure of a conventional thermal head, and FIG. 6 is a diagram showing its characteristics. 1-thermal head, 2-substrate, 3-heating resistor, 4, 5-lead electrode, 7-common electrode.
Claims (1)
発熱抵抗体を共通接続するとともに両端が外部と
接続されるコモン電極と、上記発熱抵抗体に個別
に接続されるリード電極が形成されたサーマルヘ
ツドにおいて、 上記コモン電極の両端から中央部への距離に応
じて上記発熱抵抗体の抵抗値を小さく設定したこ
とを特徴とするサーマルヘツド。[Claims for Utility Model Registration] A plurality of heating resistors arranged on a substrate, a common electrode that connects the heating resistors in common and has both ends connected to the outside, and a common electrode that is individually connected to the heating resistors. What is claimed is: 1. A thermal head on which a lead electrode is formed, characterized in that the resistance value of the heating resistor is set to be small according to the distance from both ends of the common electrode to the center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6642187U JPS63172647U (en) | 1987-04-30 | 1987-04-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6642187U JPS63172647U (en) | 1987-04-30 | 1987-04-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63172647U true JPS63172647U (en) | 1988-11-09 |
Family
ID=30904412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6642187U Pending JPS63172647U (en) | 1987-04-30 | 1987-04-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63172647U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60192663A (en) * | 1984-03-13 | 1985-10-01 | Mitsubishi Electric Corp | Thermal head |
-
1987
- 1987-04-30 JP JP6642187U patent/JPS63172647U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60192663A (en) * | 1984-03-13 | 1985-10-01 | Mitsubishi Electric Corp | Thermal head |
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