JPH02133348U - - Google Patents
Info
- Publication number
- JPH02133348U JPH02133348U JP4235289U JP4235289U JPH02133348U JP H02133348 U JPH02133348 U JP H02133348U JP 4235289 U JP4235289 U JP 4235289U JP 4235289 U JP4235289 U JP 4235289U JP H02133348 U JPH02133348 U JP H02133348U
- Authority
- JP
- Japan
- Prior art keywords
- heating resistor
- film
- thermal head
- protective film
- resistor
- 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
- 238000010438 heat treatment Methods 0.000 claims description 5
- 238000005299 abrasion Methods 0.000 claims description 3
- 230000003647 oxidation Effects 0.000 claims description 3
- 238000007254 oxidation reaction Methods 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims description 3
- 239000000758 substrate Substances 0.000 claims description 2
Landscapes
- Electronic Switches (AREA)
Description
第１図は本考案の一実施例を示し、イはその要
部平面図で、ロはそのＡ−Ａ′線要部断面図であ
り、第２図は従来例を示しイはその要部平面図、
ロはそのＢ−Ｂ′線要部断面図である。
１……基板、２……グレーズ、３……発熱抵抗
体、４ａ……共通電極、４ｂ……信号電極、５…
…酸化保護膜、６，７……耐摩耗膜。
Fig. 1 shows an embodiment of the present invention, A is a plan view of the main part thereof, B is a sectional view of the main part along the line A-A', and Fig. 2 shows a conventional example, A is the main part thereof. Plan view,
B is a sectional view of the main part taken along line B-B'. DESCRIPTION OF SYMBOLS 1...Substrate, 2...Glaze, 3...Heating resistor, 4a...Common electrode, 4b...Signal electrode, 5...
...Oxidation protective film, 6,7...Abrasion resistant film.
Claims (1)
抗体を配設したサーマルヘツドにおいて、該発熱
抵抗体は、該発熱抵抗体の酸化保護膜と、該酸化
保護膜を介して第１の耐摩耗膜と、第２の耐摩耗
膜とで覆われ、該発熱抵抗体部はその印字用紙と
の接触状態で密着するよう構成されてことを特徴
とするサーマルヘツド。 In a thermal head in which a heating resistor is disposed on a protruding glaze portion provided on a substrate, the heating resistor is connected to an oxidation protective film of the heating resistor and a first resistor through the oxidation protective film. 1. A thermal head characterized in that it is covered with an abrasion film and a second abrasion resistant film, and the heating resistor portion is configured to be in close contact with the printing paper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4235289U JPH02133348U (en) | 1989-04-11 | 1989-04-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4235289U JPH02133348U (en) | 1989-04-11 | 1989-04-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02133348U true JPH02133348U (en) | 1990-11-06 |
Family
ID=31553824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4235289U Pending JPH02133348U (en) | 1989-04-11 | 1989-04-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02133348U (en) |
-
1989
- 1989-04-11 JP JP4235289U patent/JPH02133348U/ja active Pending