JPS62180536U - - Google Patents
Info
- Publication number
- JPS62180536U JPS62180536U JP6839386U JP6839386U JPS62180536U JP S62180536 U JPS62180536 U JP S62180536U JP 6839386 U JP6839386 U JP 6839386U JP 6839386 U JP6839386 U JP 6839386U JP S62180536 U JPS62180536 U JP S62180536U
- Authority
- JP
- Japan
- Prior art keywords
- protective layer
- heating resistor
- thermal head
- thermal
- electrode
- 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
- 239000011241 protective layer Substances 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 3
- 239000000758 substrate Substances 0.000 claims description 2
- 239000012777 electrically insulating material Substances 0.000 claims 1
- 230000005611 electricity Effects 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
- 230000003068 static effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Landscapes
- Electronic Switches (AREA)
Description
第１図は本考案のサーマルヘツドの一実施例を
示す平面図、第２図は第１図の―線に沿つた
拡大断面図、第３図は従来のサーマルヘツドの平
面図、第４図は第３図の―線に沿つた拡大断
面図、第５図は従来例の等価回路図である。
１１……サーマルヘツド、１２……絶縁性基板
、１３……発熱抵抗体、１４……共通電極、１５
……固別電極、１６……保護層、１７……アース
電極。
Fig. 1 is a plan view showing an embodiment of the thermal head of the present invention, Fig. 2 is an enlarged sectional view taken along the line - - in Fig. 1, Fig. 3 is a plan view of a conventional thermal head, and Fig. 4. is an enlarged sectional view taken along the line - in FIG. 3, and FIG. 5 is an equivalent circuit diagram of the conventional example. 11...Thermal head, 12...Insulating substrate, 13...Heating resistor, 14...Common electrode, 15
...Solid electrode, 16...Protective layer, 17...Earth electrode.
Claims (1)
もに、その発熱抵抗体を耐摩耗性を有する電気絶
縁材料からなる保護層によつて被覆してなるサー
マルヘツドにおいて、前記保護層部分に発生する
静電気を外部へ逃がすアース電極を設けたことを
特徴とするサーマルヘツド。 (2) アース電極は保護層の外周部分に接するよ
うにして設けられていることを特徴とする実用新
案登録請求の範囲第１項記載のサーマルヘツド。[Scope of Claim for Utility Model Registration] (1) A thermal device in which a heating resistor is disposed on an insulating substrate, and the heating resistor is covered with a protective layer made of an electrically insulating material having wear resistance. 1. A thermal head characterized in that the head is provided with a ground electrode for dissipating static electricity generated in the protective layer portion to the outside. (2) The thermal head according to claim 1, wherein the earth electrode is provided in contact with the outer peripheral portion of the protective layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6839386U JPS62180536U (en) | 1986-05-06 | 1986-05-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6839386U JPS62180536U (en) | 1986-05-06 | 1986-05-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62180536U true JPS62180536U (en) | 1987-11-16 |
Family
ID=30908168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6839386U Pending JPS62180536U (en) | 1986-05-06 | 1986-05-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62180536U (en) |
-
1986
- 1986-05-06 JP JP6839386U patent/JPS62180536U/ja active Pending