JPS6438255A - Manufacture of thermal head - Google Patents
Manufacture of thermal headInfo
- Publication number
- JPS6438255A JPS6438255A JP19426087A JP19426087A JPS6438255A JP S6438255 A JPS6438255 A JP S6438255A JP 19426087 A JP19426087 A JP 19426087A JP 19426087 A JP19426087 A JP 19426087A JP S6438255 A JPS6438255 A JP S6438255A
- Authority
- JP
- Japan
- Prior art keywords
- substrate
- glass paste
- paste layer
- baked
- 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 enable a film thickness of a heating resistor to be uniformly formed and to obtain excellent resolution property and printing quality to meet high speed printing needs at a low power consumption, by baking a glass paste layer of a substrate surface with the back surface of the substrate upward and the glass paste layer downward during baking it. CONSTITUTION:A glass paste layer 12 is formed on a surface of an alumina ceramics substrate 11 by a screen printing process or the like. Then, the glass paste layer 12 printed on the above-mentioned substrate 11 is baked in two steps. Firstly, it is baked at about 900 deg.C in maximum temperature for about 5min under a state of the back face of the substrate 11 downward and the glass paste layer 12 upward. Then, it is baked at about 920 deg.C of maximum temperature for about 5min under a state where the upper and lower faces of the substrate 11 are reversed. When a glazed layer 12 formed thus is observed under a scanning type electron microscope, the layer is free from exposure of a bubble and is sufficiently smooth.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP19426087A JPS6438255A (en) | 1987-08-03 | 1987-08-03 | Manufacture of thermal head |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP19426087A JPS6438255A (en) | 1987-08-03 | 1987-08-03 | Manufacture of thermal head |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6438255A true JPS6438255A (en) | 1989-02-08 |
Family
ID=16321664
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP19426087A Pending JPS6438255A (en) | 1987-08-03 | 1987-08-03 | Manufacture of thermal head |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6438255A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03128256A (en) * | 1989-10-14 | 1991-05-31 | Rohm Co Ltd | Thermal printing head and its manufacture |
-
1987
- 1987-08-03 JP JP19426087A patent/JPS6438255A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03128256A (en) * | 1989-10-14 | 1991-05-31 | Rohm Co Ltd | Thermal printing head and its manufacture |
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