JPH02101743U - - Google Patents
Info
- Publication number
- JPH02101743U JPH02101743U JP1092089U JP1092089U JPH02101743U JP H02101743 U JPH02101743 U JP H02101743U JP 1092089 U JP1092089 U JP 1092089U JP 1092089 U JP1092089 U JP 1092089U JP H02101743 U JPH02101743 U JP H02101743U
- Authority
- JP
- Japan
- Prior art keywords
- thermal head
- protective layer
- resistor
- glaze layer
- resistors
- 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
- 239000010410 layer Substances 0.000 claims description 3
- 239000011241 protective layer Substances 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims 1
- 239000000758 substrate Substances 0.000 description 1
Landscapes
- Electronic Switches (AREA)
Description
第１図はこの考案の第１の実施例を示す要部平
面図、第２図はそのＡ―Ａ線要部断面図、第３図
は第２の実施例を示す要部断面図で、第４図は従
来例を示す要部平面図、第５図はそのＢ―Ｂ線断
面図である。
１０，２０…サーマルヘツド、１１…基板、１
２…グレーズ層、１３ａ，１３ｂ…電極、１４…
抵抗体、１５…保護層、１６，１７，１８…切込
部。
Fig. 1 is a plan view of the main part showing the first embodiment of this invention, Fig. 2 is a sectional view of the main part along line AA, and Fig. 3 is a sectional view of the main part showing the second embodiment. FIG. 4 is a plan view of a main part showing a conventional example, and FIG. 5 is a sectional view taken along the line BB. 10, 20... Thermal head, 11... Substrate, 1
2... Glaze layer, 13a, 13b... Electrode, 14...
Resistor, 15...protective layer, 16, 17, 18... cut portion.
Claims (1)
体と、該抵抗体を覆う保護層とから発熱体部を構
成したサーマルヘツドにおいて、少なくとも該抵
抗体間に位置する該保護層に外面から切込部を設
けたことを特徴とするサーマルヘツド。 In a thermal head in which a heating element is made up of a glaze layer, a resistor formed on the glaze layer, and a protective layer covering the resistor, at least the protective layer located between the resistors is cut from the outside. A thermal head characterized by having a section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1092089U JPH02101743U (en) | 1989-01-31 | 1989-01-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1092089U JPH02101743U (en) | 1989-01-31 | 1989-01-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02101743U true JPH02101743U (en) | 1990-08-14 |
Family
ID=31219011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1092089U Pending JPH02101743U (en) | 1989-01-31 | 1989-01-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02101743U (en) |
-
1989
- 1989-01-31 JP JP1092089U patent/JPH02101743U/ja active Pending