JPS5539382A - Thermal head - Google Patents
Thermal headInfo
- Publication number
- JPS5539382A JPS5539382A JP11332978A JP11332978A JPS5539382A JP S5539382 A JPS5539382 A JP S5539382A JP 11332978 A JP11332978 A JP 11332978A JP 11332978 A JP11332978 A JP 11332978A JP S5539382 A JPS5539382 A JP S5539382A
- Authority
- JP
- Japan
- Prior art keywords
- film
- sio
- chemical resistance
- insulating substrate
- thermal head
- 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
Landscapes
- Electronic Switches (AREA)
Abstract
PURPOSE: To obtain a thermal head with excellent chemical resistance, stable thermal response, and high reliability, which is easy to manufacture and is cheap, by forming a heating resistor and electrodes connected to the resistor on an insulating substrate that has a specified thermal conductivity.
CONSTITUTION: The thermal head as the object is gained in such a manner that a heating resistor 13 of a Ta-SiO2 thermet film, etc. and the electrodes 14, 15 of an Au/Cu film, etc. are directly made up on an insulating substrate 11 consisting of a material, with thermal conductivity of 0.03W0.005Cal/cm.sec.°C near room temperature, such as forsterite (2MgO.SiO2), etc., and a wear-proof film 16 of TaOs/ SiO2, etc. is built up on the electrodes. When the material of the insulating substrate lacks chemical resistance, it is desirable that an insulator protective film 12 with excellent chemical resistance is attached on the substrate in the thickness of 0.1W 1μm.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11332978A JPS5539382A (en) | 1978-09-14 | 1978-09-14 | Thermal head |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11332978A JPS5539382A (en) | 1978-09-14 | 1978-09-14 | Thermal head |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5539382A true JPS5539382A (en) | 1980-03-19 |
Family
ID=14609474
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11332978A Pending JPS5539382A (en) | 1978-09-14 | 1978-09-14 | Thermal head |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5539382A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4595823A (en) * | 1983-03-17 | 1986-06-17 | Fujitsu Limited | Thermal printing head with an anti-abrasion layer and method of fabricating the same |
JPH04551U (en) * | 1990-04-13 | 1992-01-06 |
-
1978
- 1978-09-14 JP JP11332978A patent/JPS5539382A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4595823A (en) * | 1983-03-17 | 1986-06-17 | Fujitsu Limited | Thermal printing head with an anti-abrasion layer and method of fabricating the same |
JPH04551U (en) * | 1990-04-13 | 1992-01-06 |
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