JPH0350439U - - Google Patents
Info
- Publication number
- JPH0350439U JPH0350439U JP11009489U JP11009489U JPH0350439U JP H0350439 U JPH0350439 U JP H0350439U JP 11009489 U JP11009489 U JP 11009489U JP 11009489 U JP11009489 U JP 11009489U JP H0350439 U JPH0350439 U JP H0350439U
- Authority
- JP
- Japan
- Prior art keywords
- heat
- base material
- row direction
- thermal head
- radiator
- 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
- 239000000463 material Substances 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 1
Description
第１図ａは本考案によるサーマルヘツドの全体
図、第１図ｂは本考案によるサーマルヘツドの上
面図。第２図ａは本考案の放熱器の接着面の表面
図、第２図ｂは放熱器の断面図。第３図ａ，ｂは
従来例と本考案のヘツドの表面の温度分布の特性
を比較した説明図。
１……ヘツドチツプ、１ａ……発熱要素、３…
…放熱器、５……溝部。
FIG. 1a is an overall view of the thermal head according to the present invention, and FIG. 1b is a top view of the thermal head according to the present invention. FIG. 2a is a surface view of the adhesive surface of the heatsink of the present invention, and FIG. 2b is a cross-sectional view of the heatsink. FIGS. 3a and 3b are explanatory diagrams comparing the characteristics of the temperature distribution on the surface of the head of the conventional example and the head of the present invention. 1... Head chip, 1a... Heat generating element, 3...
...Radiator, 5...Groove.
Claims (1)
沿つて配置し、該基材の背面に放熱器を密着し、
相対的に行方向に移動させサーマル紙又は、イン
クリボンを介して普通紙に印刷する如きサーマル
プリンタのサーマルヘツドに於て、前記放熱器に
前記端部の位置決めをするための度当り部を設け
、該度当り部に沿つて前記基材と放熱器とを接着
するための接着剤を逃がす溝部を前記放熱器に設
置し、該溝部の幅を前記発熱要素の列方向の中央
近傍では小さく列方向の端部では大きくし、発熱
要素の熱分布を均等化したことを特徴とするサー
マルヘツド。 ２ 前記溝部の幅は少なくとも０．５mm以上であ
ることを特徴とする請求項１記載のサーマルヘツ
ド。[Claims for Utility Model Registration] 1. A plurality of heat generating elements are arranged in the row direction along the vicinity of the end face of a base material, a radiator is closely attached to the back surface of the base material,
In a thermal head of a thermal printer that prints on thermal paper or plain paper via an ink ribbon by relatively moving in the row direction, the heat radiator is provided with a contact portion for positioning the end portion. , a groove portion for releasing an adhesive for bonding the base material and the heat radiator is installed in the heat radiator along the contact portion, and the width of the groove portion is set to be small in the vicinity of the center of the heat generating elements in the row direction. A thermal head characterized by making the heat generating element larger at the ends of the direction to equalize the heat distribution. 2. The thermal head according to claim 1, wherein the width of the groove is at least 0.5 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11009489U JPH0350439U (en) | 1989-09-20 | 1989-09-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11009489U JPH0350439U (en) | 1989-09-20 | 1989-09-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0350439U true JPH0350439U (en) | 1991-05-16 |
Family
ID=31658646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11009489U Pending JPH0350439U (en) | 1989-09-20 | 1989-09-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0350439U (en) |
-
1989
- 1989-09-20 JP JP11009489U patent/JPH0350439U/ja active Pending