JPH0282537U - - Google Patents
Info
- Publication number
- JPH0282537U JPH0282537U JP16295588U JP16295588U JPH0282537U JP H0282537 U JPH0282537 U JP H0282537U JP 16295588 U JP16295588 U JP 16295588U JP 16295588 U JP16295588 U JP 16295588U JP H0282537 U JPH0282537 U JP H0282537U
- Authority
- JP
- Japan
- Prior art keywords
- protective layer
- laminated
- heat generating
- thermal head
- 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
- 239000011241 protective layer Substances 0.000 claims description 7
- 239000010410 layer Substances 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 3
- 239000000758 substrate Substances 0.000 claims description 2
- 238000010030 laminating Methods 0.000 claims 1
- 239000010409 thin film Substances 0.000 description 1
Landscapes
- Electronic Switches (AREA)
Description
第１図および第２図はそれぞれ本考案に係るサ
ーマルヘツドの実施例を示す断面図、第３図は従
来のサーマルヘツドを示す断面図である。
１１……絶縁性基板、１２……グレーズ層、１
３……発熱抵抗体、１４……電極、１５……保護
層、１５Ａ，１５Ｄ……薄膜保護層、１５Ｂ……
下層、１５Ｃ……上層。
1 and 2 are sectional views showing an embodiment of a thermal head according to the present invention, and FIG. 3 is a sectional view showing a conventional thermal head. 11... Insulating substrate, 12... Glaze layer, 1
3... Heating resistor, 14... Electrode, 15... Protective layer, 15A, 15D... Thin film protective layer, 15B...
Lower layer, 15C...upper layer.
Claims (1)
ーズ層上に、複数の発熱抵抗体を整列状に形成し
、各発熱抵抗体上に、各発熱抵抗体に選択的に給
電するための共通電極および個別電極を積層し、
これらの各発熱抵抗体および電極上に保護層を積
層してなるサーマルヘツドにおいて、前記発熱抵
抗体上に積層された前記保護層を、前記電極上に
積層された前記保護層の膜厚より薄く形成してな
る薄膜保護層としたことを特徴とするサーマルヘ
ツド。 A glaze layer is laminated on an insulating substrate, a plurality of heat generating resistors are formed in an array on the glaze layer, and a common electrode is provided on each heat generating resistor for selectively supplying power to each heat generating resistor. and laminated individual electrodes,
In a thermal head formed by laminating a protective layer on each of these heating resistors and electrodes, the protective layer laminated on the heating resistor is thinner than the protective layer laminated on the electrode. A thermal head characterized by having a thin protective layer formed by forming a thin protective layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16295588U JPH0282537U (en) | 1988-12-15 | 1988-12-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16295588U JPH0282537U (en) | 1988-12-15 | 1988-12-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0282537U true JPH0282537U (en) | 1990-06-26 |
Family
ID=31447249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16295588U Pending JPH0282537U (en) | 1988-12-15 | 1988-12-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0282537U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2021066156A (en) * | 2019-10-28 | 2021-04-30 | ローム株式会社 | Thermal print head |
-
1988
- 1988-12-15 JP JP16295588U patent/JPH0282537U/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2021066156A (en) * | 2019-10-28 | 2021-04-30 | ローム株式会社 | Thermal print head |
| CN112721459A (en) * | 2019-10-28 | 2021-04-30 | 罗姆股份有限公司 | Thermal print head |
| CN112721459B (en) * | 2019-10-28 | 2024-02-20 | 罗姆股份有限公司 | Thermal print head |