JPH01110928U - - Google Patents
Info
- Publication number
- JPH01110928U JPH01110928U JP557688U JP557688U JPH01110928U JP H01110928 U JPH01110928 U JP H01110928U JP 557688 U JP557688 U JP 557688U JP 557688 U JP557688 U JP 557688U JP H01110928 U JPH01110928 U JP H01110928U
- Authority
- JP
- Japan
- Prior art keywords
- electrode
- thermal head
- thick film
- heating resistor
- resistor
- 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 4
- 239000000758 substrate Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 6
- 239000000919 ceramic Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Electronic Switches (AREA)
Description
第１図は本考案の１実施例である厚膜型サーマ
ルヘツドの主要部を示した図、第２図は第１図の
厚膜型サーマルヘツドにおける熱分布を示した図
、第３図は本考案の他の実施例である厚膜サーマ
ルヘツドの副走査方向断面図、第４図は本考案に
係る厚膜型サーマルヘツドの製造方法を示した図
、第５図は従来の厚膜型サーマルヘツドの主要部
を示した図、第６図は第５図に示した厚膜型サー
マルヘツドの熱分布を示した図である。
１…共通電極、２…引き回し電極、３…発熱抵
抗体、４…アンダーグレーズ層、５…セラミツク
基板。
Figure 1 is a diagram showing the main parts of a thick film type thermal head which is an embodiment of the present invention, Figure 2 is a diagram showing the heat distribution in the thick film type thermal head of Figure 1, and Figure 3 is a diagram showing the heat distribution in the thick film type thermal head of Figure 1. A cross-sectional view in the sub-scanning direction of a thick film thermal head according to another embodiment of the present invention, FIG. 4 is a diagram showing a method for manufacturing a thick film type thermal head according to the present invention, and FIG. FIG. 6 is a diagram showing the main parts of the thermal head. FIG. 6 is a diagram showing the heat distribution of the thick film type thermal head shown in FIG. DESCRIPTION OF SYMBOLS 1...Common electrode, 2...Leading electrode, 3...Heating resistor, 4...Underglaze layer, 5...Ceramic substrate.
Claims (1)
して形成し、該第１の電極と第２の電極とを発熱
抵抗体により接続した厚膜型サーマルヘツドにお
いて、前記発熱抵抗体が形成される絶縁基板の部
位に凹部を設け、副走査方向の断面にあつて、前
記発熱抵抗体を、その両端部より中央が厚くなる
ように形成したことを特徴とする厚膜型サーマル
ヘツド。 In a thick film thermal head in which a first electrode and a second electrode are formed facing each other on an insulating substrate, and the first electrode and the second electrode are connected by a heating resistor, the heating resistor A thick film type thermal head characterized in that a recess is provided in a portion of the insulating substrate where the heating resistor is formed, and the heat generating resistor is formed so that the heat generating resistor is thicker at the center than at both ends when viewed in cross section in the sub-scanning direction. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP557688U JPH01110928U (en) | 1988-01-20 | 1988-01-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP557688U JPH01110928U (en) | 1988-01-20 | 1988-01-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01110928U true JPH01110928U (en) | 1989-07-26 |
Family
ID=31209069
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP557688U Pending JPH01110928U (en) | 1988-01-20 | 1988-01-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01110928U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0444863A (en) * | 1990-03-26 | 1992-02-14 | Fuji Photo Film Co Ltd | Thermal recording head |
-
1988
- 1988-01-20 JP JP557688U patent/JPH01110928U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0444863A (en) * | 1990-03-26 | 1992-02-14 | Fuji Photo Film Co Ltd | Thermal recording head |