JPH02106337U - - Google Patents
Info
- Publication number
- JPH02106337U JPH02106337U JP1585189U JP1585189U JPH02106337U JP H02106337 U JPH02106337 U JP H02106337U JP 1585189 U JP1585189 U JP 1585189U JP 1585189 U JP1585189 U JP 1585189U JP H02106337 U JPH02106337 U JP H02106337U
- Authority
- JP
- Japan
- Prior art keywords
- glaze layer
- insulating substrate
- heating resistor
- thermal head
- partial
- 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.)
- Granted
Links
- 239000000758 substrate Substances 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims 2
- 239000000919 ceramic Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Electronic Switches (AREA)
Description
第１図ａは、この考案の一実施例に係るサーマ
ルヘツドの切断前の要部縦断面図、第１図ｂは、
同サーマルヘツドの切断後の要部縦断面図、第２
図は、同サーマルヘツドの切断後の要部平面図、
第３図は、従来のサーマルヘツドの要部縦断面図
、第４図は、同従来のサーマルヘツドの絶縁基板
表面状態を説明する図である。
２：セラミツク基板、３：部分グレーズ層、４
：面グレーズ層、６：発熱抵抗体、７：共通電極
、８：個別電極。
FIG. 1a is a longitudinal cross-sectional view of the main part of a thermal head according to an embodiment of this invention before cutting, and FIG. 1b is a
Longitudinal cross-sectional view of the main part of the same thermal head after cutting, No. 2
The figure shows a plan view of the main part of the thermal head after cutting.
FIG. 3 is a longitudinal cross-sectional view of a main part of a conventional thermal head, and FIG. 4 is a diagram illustrating the surface condition of an insulating substrate of the conventional thermal head. 2: Ceramic substrate, 3: Partial glaze layer, 4
: surface glaze layer, 6: heating resistor, 7: common electrode, 8: individual electrode.
Claims (1)
質ガラスよりなる部分グレーズ層と、この部分グ
レーズ層に重なるように形成される発熱抵抗体と
、この発熱抵抗体に通電するように形成される電
極とを備えてなるサーマルヘツドにおいて、 前記絶縁基板上には、その縁部が前記部分グレ
ーズ層の裾部に重なるように形成される結晶化ガ
ラスよりなる面グレーズ層を備え、前記発熱抵抗
体及び電極がこの面グレーズ層上に形成されるこ
とを特徴とするサーマルヘツド。[Claims for Utility Model Registration] An insulating substrate, a partial glaze layer made of amorphous glass formed on this insulating substrate, a heating resistor formed to overlap with this partial glazing layer, and this heating resistor. In the thermal head, a surface made of crystallized glass is formed on the insulating substrate so that an edge thereof overlaps with a bottom portion of the partial glaze layer. 1. A thermal head comprising a glaze layer, and the heating resistor and electrodes are formed on the surface glaze layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1585189U JPH0723265Y2 (en) | 1989-02-14 | 1989-02-14 | Thermal head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1585189U JPH0723265Y2 (en) | 1989-02-14 | 1989-02-14 | Thermal head |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02106337U true JPH02106337U (en) | 1990-08-23 |
| JPH0723265Y2 JPH0723265Y2 (en) | 1995-05-31 |
Family
ID=31228270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1585189U Expired - Lifetime JPH0723265Y2 (en) | 1989-02-14 | 1989-02-14 | Thermal head |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0723265Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04244862A (en) * | 1991-01-30 | 1992-09-01 | Rohm Co Ltd | Thermal head |
-
1989
- 1989-02-14 JP JP1585189U patent/JPH0723265Y2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04244862A (en) * | 1991-01-30 | 1992-09-01 | Rohm Co Ltd | Thermal head |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0723265Y2 (en) | 1995-05-31 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |