JPH03124849U - - Google Patents
Info
- Publication number
- JPH03124849U JPH03124849U JP3367490U JP3367490U JPH03124849U JP H03124849 U JPH03124849 U JP H03124849U JP 3367490 U JP3367490 U JP 3367490U JP 3367490 U JP3367490 U JP 3367490U JP H03124849 U JPH03124849 U JP H03124849U
- Authority
- JP
- Japan
- Prior art keywords
- substrate
- heat generating
- generating elements
- thermal head
- measuring element
- 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
- 239000000758 substrate Substances 0.000 claims description 5
- 239000000919 ceramic Substances 0.000 description 1
- 238000005338 heat storage Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
Description
第１図および第２図はこの考案の第１実施例に
かかるサーマルヘツドを示し、第１図が全体模式
断面図、第２図が要部拡大断面図である。第３図
はこの考案の第２実施例にかかるサーマルヘツド
の要部拡大断面図、第４図はこの考案の第３実施
例にかかるサーマルヘツドの要部拡大断面図であ
る。
１１……サーマルヘツド、１３……セラミツク
基板、１５……発熱素子、２０……グレーズ層（
蓄熱層）、２１……サーミスタ（測温素子）、２
３，２４……抵抗膜（測温素子）。
1 and 2 show a thermal head according to a first embodiment of this invention, with FIG. 1 being a schematic cross-sectional view of the whole, and FIG. 2 being an enlarged cross-sectional view of a main part. FIG. 3 is an enlarged sectional view of a main part of a thermal head according to a second embodiment of the present invention, and FIG. 4 is an enlarged sectional view of a main part of a thermal head according to a third embodiment of this invention. 11...Thermal head, 13...Ceramic substrate, 15...Heating element, 20...Glaze layer (
heat storage layer), 21... thermistor (temperature measuring element), 2
3, 24...Resistive film (temperature measuring element).
Claims (1)
発熱素子とを有するサーマルヘツドにおいて、 前記基板と前記発熱素子との間に、または、前
記発熱素子と略同一位置で前記基板の他面に、温
度を検出する測温素子を設けたことを特徴とする
サーマルヘツド。[Claims for Utility Model Registration] In a thermal head having a substrate and heat generating elements arranged in alignment on one surface of the substrate, there is a space between the substrate and the heat generating elements, or substantially the same as the heat generating elements. A thermal head characterized in that a temperature measuring element for detecting temperature is provided on the other surface of the substrate at a certain position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3367490U JPH03124849U (en) | 1990-03-30 | 1990-03-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3367490U JPH03124849U (en) | 1990-03-30 | 1990-03-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03124849U true JPH03124849U (en) | 1991-12-18 |
Family
ID=31537527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3367490U Pending JPH03124849U (en) | 1990-03-30 | 1990-03-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03124849U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023228709A1 (en) * | 2022-05-25 | 2023-11-30 | ローム株式会社 | Thermal print head and thermal printer |
-
1990
- 1990-03-30 JP JP3367490U patent/JPH03124849U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023228709A1 (en) * | 2022-05-25 | 2023-11-30 | ローム株式会社 | Thermal print head and thermal printer |