JPH0264045U - - Google Patents
Info
- Publication number
- JPH0264045U JPH0264045U JP14359388U JP14359388U JPH0264045U JP H0264045 U JPH0264045 U JP H0264045U JP 14359388 U JP14359388 U JP 14359388U JP 14359388 U JP14359388 U JP 14359388U JP H0264045 U JPH0264045 U JP H0264045U
- Authority
- JP
- Japan
- Prior art keywords
- layer
- resistive film
- film
- thermal head
- heat generating
- 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
- 239000004020 conductor Substances 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 2
- 230000001681 protective effect Effects 0.000 claims description 2
- 230000003068 static effect Effects 0.000 claims description 2
- 239000000758 substrate Substances 0.000 claims description 2
- 239000010410 layer Substances 0.000 claims 6
- 238000009825 accumulation Methods 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 claims 1
- 239000011241 protective layer Substances 0.000 claims 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
Landscapes
- Electronic Switches (AREA)
Description
第１図は、この考案の一実施例を示すサーマル
ヘツドの要部断面図、第２図は、従来のサーマル
ヘツドの要部断面図である。
１：セラミツク基板、２：グレーズ層、３：発
熱用の抵抗体膜、４：共通電極用の導体層、５：
個別電極用の導体層、６：保護膜層、７：静電気
防止用の抵抗膜層。
FIG. 1 is a sectional view of a main part of a thermal head showing an embodiment of this invention, and FIG. 2 is a sectional view of a main part of a conventional thermal head. 1: Ceramic substrate, 2: Glaze layer, 3: Resistor film for heat generation, 4: Conductor layer for common electrode, 5:
Conductor layer for individual electrodes, 6: protective film layer, 7: resistive film layer for static electricity prevention.
Claims (1)
グレーズ層の上部に発熱用抵抗膜、電極用の導体
層、及び保護膜層が順次積層形成されてなるサー
マルヘツドにおいて、 前記発熱用抵抗膜及び導体層に対し、前記保護
層等の絶縁膜を挾んで上方に、静電気蓄積防止用
の前記発熱用抵抗膜と均質の抵抗膜層を形成した
ことを特徴とするサーマルヘツド。[Claims for Utility Model Registration] A thermal head in which a glaze layer is formed on the upper surface of a substrate, and a heating resistive film, a conductor layer for electrodes, and a protective film layer are successively laminated on top of this glaze layer, A thermal head characterized in that a resistive film layer homogeneous with the heat generating resistive film for preventing static electricity accumulation is formed above the heat generating resistive film and the conductor layer with an insulating film such as the protective layer in between. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988143593U JPH0711983Y2 (en) | 1988-11-01 | 1988-11-01 | Thermal head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988143593U JPH0711983Y2 (en) | 1988-11-01 | 1988-11-01 | Thermal head |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0264045U true JPH0264045U (en) | 1990-05-14 |
| JPH0711983Y2 JPH0711983Y2 (en) | 1995-03-22 |
Family
ID=31410553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988143593U Expired - Lifetime JPH0711983Y2 (en) | 1988-11-01 | 1988-11-01 | Thermal head |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0711983Y2 (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63114667A (en) * | 1986-10-31 | 1988-05-19 | Matsushita Electric Ind Co Ltd | Thermal printing head |
| JPS63141764A (en) * | 1986-12-04 | 1988-06-14 | Matsushita Electric Ind Co Ltd | Thermal head for thermal recording |
| JPS63202463A (en) * | 1987-02-18 | 1988-08-22 | Mitsubishi Electric Corp | thermal head |
-
1988
- 1988-11-01 JP JP1988143593U patent/JPH0711983Y2/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63114667A (en) * | 1986-10-31 | 1988-05-19 | Matsushita Electric Ind Co Ltd | Thermal printing head |
| JPS63141764A (en) * | 1986-12-04 | 1988-06-14 | Matsushita Electric Ind Co Ltd | Thermal head for thermal recording |
| JPS63202463A (en) * | 1987-02-18 | 1988-08-22 | Mitsubishi Electric Corp | thermal head |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0711983Y2 (en) | 1995-03-22 |