JPH0280454U - - Google Patents
Info
- Publication number
- JPH0280454U JPH0280454U JP16110488U JP16110488U JPH0280454U JP H0280454 U JPH0280454 U JP H0280454U JP 16110488 U JP16110488 U JP 16110488U JP 16110488 U JP16110488 U JP 16110488U JP H0280454 U JPH0280454 U JP H0280454U
- Authority
- JP
- Japan
- Prior art keywords
- heating resistor
- heat generating
- resistor
- thermal head
- common electrode
- 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 7
- 239000000758 substrate Substances 0.000 claims description 2
Description
第１図および第２図は本考案に係るサーマルヘ
ツドの実施例を示すものであり、第１図はサーマ
ルヘツドの縦断面図、第２図はサーマルヘツドの
要部平面図、第３図および第４図は従来例のネー
マルヘツドを示す縦断面図および要部平面図であ
る。
１……絶縁性基板、２……グレーズ層、１１…
…共通電極、１３，１３ａ，１３ｂ……発熱抵抗
体、１３ａ１，１３ｂ１，１４……補助発熱抵抗
体、１４ａ……発熱部、１５，１６……共通電極
、１７……貫通孔、１８，１９……個別電極、２
０……アンダーコート層。
1 and 2 show an embodiment of the thermal head according to the present invention, FIG. 1 is a longitudinal sectional view of the thermal head, FIG. 2 is a plan view of the main part of the thermal head, and FIGS. FIG. 4 is a longitudinal cross-sectional view and a plan view of a main part of a conventional nominal head. 1... Insulating substrate, 2... Glaze layer, 11...
...Common electrode, 13, 13a, 13b...Heating resistor, 13a 1 , 13b 1 , 14... Auxiliary heat generating resistor, 14a... Heat generating part, 15, 16... Common electrode, 17... Through hole, 18 , 19...Individual electrode, 2
0...Undercoat layer.
Claims (1)
発熱抵抗体を１列に並設し、各発熱抵抗体に給電
する共通電極ならびに個別電極をそれぞれ各発熱
抵抗体に接続してなるサーマルヘツドにおいて、
列方向の端部に位置する前記発熱抵抗体の列方向
外側にこの発熱抵抗体と微小間隔を隔てて隣接さ
れ各発熱抵抗体による最小印字単位の幅より狭い
幅とされた補助発熱抵抗体を配設し、前記共通電
極ならびに前記個別電極を前記補助発熱抵抗体に
接続したことを特徴とするサーマルヘツド。 A thermal head in which a plurality of heat generating resistors are arranged in a row on an insulating substrate with small intervals between them, and a common electrode that supplies power to each heat generating resistor and individual electrodes are respectively connected to each heat generating resistor. In,
An auxiliary heating resistor having a width narrower than the width of the minimum printing unit formed by each heating resistor is arranged adjacent to the heating resistor at a very small interval on the outside in the row direction of the heating resistor located at the end of the heating resistor in the column direction. 1. A thermal head, wherein the common electrode and the individual electrodes are connected to the auxiliary heating resistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16110488U JPH0280454U (en) | 1988-12-12 | 1988-12-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16110488U JPH0280454U (en) | 1988-12-12 | 1988-12-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0280454U true JPH0280454U (en) | 1990-06-21 |
Family
ID=31443759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16110488U Pending JPH0280454U (en) | 1988-12-12 | 1988-12-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0280454U (en) |
-
1988
- 1988-12-12 JP JP16110488U patent/JPH0280454U/ja active Pending