JPS6472862A - Thermal head - Google Patents
Thermal headInfo
- Publication number
- JPS6472862A JPS6472862A JP23168187A JP23168187A JPS6472862A JP S6472862 A JPS6472862 A JP S6472862A JP 23168187 A JP23168187 A JP 23168187A JP 23168187 A JP23168187 A JP 23168187A JP S6472862 A JPS6472862 A JP S6472862A
- Authority
- JP
- Japan
- Prior art keywords
- layer
- upper electrode
- thermal resistor
- alloy
- electrode layer
- 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
Abstract
PURPOSE:To prevent a reaction with a thermal resistor layer and improve adhesion by forming a lower electrode layer with an Al/Si alloy consisting mainly of Al and at the same time, forming an upper electrode layer with Al. CONSTITUTION:A thermal head is composed of a thermal resistor layer 2 consisting of a composite oxide of barium oxide and ruthenium oxide, a lower electrode layer 3 composed of an Al/Si alloy with Al as a main component, an upper electrode layer 4 of Al and a protective layer 5 of Al2O3, etc., on a substrate 1. Therefore, a reaction with the thermal resistor layer 2 is prevented due to the properties of Al which is a main component of the lower and upper electrode layers. At the same time, the resistance change rate to applied voltage variations reduces, and the adhesion with the thermal resistor layer 2 is increased by the Al/Si alloy. Further, the bonding property is improved by the upper electrode 4 formed by using Al.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23168187A JPS6472862A (en) | 1987-09-16 | 1987-09-16 | Thermal head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23168187A JPS6472862A (en) | 1987-09-16 | 1987-09-16 | Thermal head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6472862A true JPS6472862A (en) | 1989-03-17 |
Family
ID=16927322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP23168187A Pending JPS6472862A (en) | 1987-09-16 | 1987-09-16 | Thermal head |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6472862A (en) |
-
1987
- 1987-09-16 JP JP23168187A patent/JPS6472862A/en active Pending
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